PHP Version 4.3.10

System	Linux rockster 2.6.8-24.11-smp #1 SMP Fri Jan 14 13:01:26 UTC 2005 i686
Build Date	Jan 24 2005 11:02:53
Configure Command	'./configure' '--with-gd=/home/n_faust/software/projekt' '--with-pgsql=/home/n_faust/software/projekt' '--enable-force-cgi-redirect' '--enable-fastcgi' '--prefix=/home/n_faust/software/projekt'
Server API	CGI/FastCGI
Virtual Directory Support	disabled
Configuration File (php.ini) Path	/home/n_faust/software/projekt/lib/php.ini
PHP API	20020918
PHP Extension	20020429
Zend Extension	20021010
Debug Build	no
Thread Safety	disabled
Registered PHP Streams	php, http, ftp

This program makes use of the Zend Scripting Language Engine:
Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies

PHP Credits

Configuration

PHP Core

Directive	Local Value	Master Value
allow_call_time_pass_reference	On	On
allow_url_fopen	On	On
always_populate_raw_post_data	Off	Off
arg_separator.input	&	&
arg_separator.output	&	&
asp_tags	Off	Off
auto_append_file	no value	no value
auto_prepend_file	no value	no value
browscap	no value	no value
default_charset	no value	no value
default_mimetype	text/html	text/html
define_syslog_variables	Off	Off
disable_classes	no value	no value
disable_functions	no value	no value
display_errors	On	On
display_startup_errors	On	On
doc_root	/home/n_faust/software/projekt/htdocs	/home/n_faust/software/projekt/htdocs
docref_ext	no value	no value
docref_root	no value	no value
enable_dl	On	On
error_append_string	no value	no value
error_log	no value	no value
error_prepend_string	no value	no value
error_reporting	2047	2047
expose_php	On	On
extension_dir	/home/n_faust/software/projekt/lib/php	/home/n_faust/software/projekt/lib/php
file_uploads	On	On
gpc_order	GPC	GPC
highlight.bg	#FFFFFF	#FFFFFF
highlight.comment	#FF8000	#FF8000
highlight.default	#0000BB	#0000BB
highlight.html	#000000	#000000
highlight.keyword	#007700	#007700
highlight.string	#DD0000	#DD0000
html_errors	On	On
ignore_repeated_errors	Off	Off
ignore_repeated_source	Off	Off
ignore_user_abort	Off	Off
implicit_flush	Off	Off
include_path	.:/home/n_faust/software/projekt/lib/php	.:/home/n_faust/software/projekt/lib/php
log_errors	Off	Off
log_errors_max_len	1024	1024
magic_quotes_gpc	On	On
magic_quotes_runtime	Off	Off
magic_quotes_sybase	Off	Off
max_execution_time	30	30
max_input_time	60	60
open_basedir	no value	no value
output_buffering	no value	no value
output_handler	no value	no value
post_max_size	8M	8M
precision	12	12
register_argc_argv	On	On
register_globals	On	On
report_memleaks	On	On
safe_mode	Off	Off
safe_mode_exec_dir	no value	no value
safe_mode_gid	Off	Off
safe_mode_include_dir	no value	no value
sendmail_from	no value	no value
sendmail_path	/usr/sbin/sendmail -t -i	/usr/sbin/sendmail -t -i
serialize_precision	100	100
short_open_tag	On	On
SMTP	localhost	localhost
smtp_port	25	25
sql.safe_mode	Off	Off
track_errors	Off	Off
unserialize_callback_func	no value	no value
upload_max_filesize	20M	20M
upload_tmp_dir	/home/n_faust/	/home/n_faust/
user_dir	no value	no value
variables_order	EGPCS	EGPCS
xmlrpc_error_number	0	0
xmlrpc_errors	Off	Off
y2k_compliance	On	On

MapScript

MapServer Version	MapServer version 4.2.3 OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG OUTPUT=WBMP SUPPORTS=PROJ SUPPORTS=FREETYPE SUPPORTS=WMS_SERVER INPUT=EPPL7 INPUT=POSTGIS INPUT=OGR INPUT=GDAL INPUT=SHAPEFILE
PHP MapScript Version	($Revision: 1.194.2.6 $ $Date: 2004/08/25 16:27:43 $)

gd

GD Support	enabled
GD Version	2.0 or higher
GIF Read Support	enabled
GIF Create Support	enabled
JPG Support	enabled
PNG Support	enabled
WBMP Support	enabled

mysql

MySQL Support	enabled
Active Persistent Links	0
Active Links	0
Client API version	3.23.49
MYSQL_MODULE_TYPE	builtin
MYSQL_SOCKET	/tmp/mysql.sock
MYSQL_INCLUDE	no value
MYSQL_LIBS	no value

Directive	Local Value	Master Value
mysql.allow_persistent	On	On
mysql.connect_timeout	60	60
mysql.default_host	no value	no value
mysql.default_password	no value	no value
mysql.default_port	no value	no value
mysql.default_socket	no value	no value
mysql.default_user	no value	no value
mysql.max_links	Unlimited	Unlimited
mysql.max_persistent	Unlimited	Unlimited
mysql.trace_mode	Off	Off

overload

User-Space Object Overloading Support

enabled

pcre

PCRE (Perl Compatible Regular Expressions) Support	enabled
PCRE Library Version	4.5 01-December-2003

pgsql

PostgreSQL Support	enabled
PostgreSQL(libpq) Version	7.4.5
Multibyte character support	enabled
SSL support	disabled
Active Persistent Links	0
Active Links	0

Directive	Local Value	Master Value
pgsql.allow_persistent	On	On
pgsql.auto_reset_persistent	Off	Off
pgsql.ignore_notice	Off	Off
pgsql.log_notice	Off	Off
pgsql.max_links	Unlimited	Unlimited
pgsql.max_persistent	Unlimited	Unlimited

session

Session Support	enabled
Registered save handlers	files user

Directive	Local Value	Master Value
session.auto_start	Off	Off
session.bug_compat_42	On	On
session.bug_compat_warn	On	On
session.cache_expire	180	180
session.cache_limiter	nocache	nocache
session.cookie_domain	no value	no value
session.cookie_lifetime	0	0
session.cookie_path	/	/
session.cookie_secure	Off	Off
session.entropy_file	no value	no value
session.entropy_length	0	0
session.gc_divisor	100	100
session.gc_maxlifetime	1440	1440
session.gc_probability	1	1
session.name	PHPSESSID	PHPSESSID
session.referer_check	no value	no value
session.save_handler	files	files
session.save_path	/tmp	/tmp
session.serialize_handler	php	php
session.use_cookies	On	On
session.use_only_cookies	Off	Off
session.use_trans_sid	Off	Off

standard

Regex Library	Bundled library enabled
Dynamic Library Support	enabled
Path to sendmail	/usr/sbin/sendmail -t -i

Directive	Local Value	Master Value
assert.active	1	1
assert.bail	0	0
assert.callback	no value	no value
assert.quiet_eval	0	0
assert.warning	1	1
auto_detect_line_endings	0	0
default_socket_timeout	60	60
safe_mode_allowed_env_vars	PHP_	PHP_
safe_mode_protected_env_vars	LD_LIBRARY_PATH	LD_LIBRARY_PATH
url_rewriter.tags	a=href,area=href,frame=src,input=src,form=,fieldset=	a=href,area=href,frame=src,input=src,form=,fieldset=
user_agent	no value	no value

xml

XML Support	active
XML Namespace Support	active
EXPAT Version	1.95.6

Additional Modules

Module Name

Environment

Variable	Value
REDIRECT_STATUS	200
LD_LIBRARY_PATH	/home/n_faust/software/projekt/lib
HTTP_ACCEPT	image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, /
HTTP_ACCEPT_LANGUAGE	de
HTTP_ACCEPT_ENCODING	gzip, deflate
HTTP_USER_AGENT	Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)
HTTP_HOST	rockster.informatik.uni-kl.de:8081
HTTP_CONNECTION	Keep-Alive
PATH	/opt/kde3/bin:/opt/gnome/bin:/usr/games:/usr/bin/X11:/usr/bin:/bin:/usr/local/bin:/home/n_faust/software/postgresql-7.4.5/bin:/opt2/jdk-1.4/bin:.
SERVER_SIGNATURE	<address>Apache/2.0.52 (Unix) Server at rockster.informatik.uni-kl.de Port 8081</address>
SERVER_SOFTWARE	Apache/2.0.52 (Unix)
SERVER_NAME	rockster.informatik.uni-kl.de
SERVER_ADDR	131.246.103.120
SERVER_PORT	8081
REMOTE_ADDR	217.185.157.195
DOCUMENT_ROOT	/home/n_faust/software/projekt/htdocs
SERVER_ADMIN	n_faust at informatik.uni-kl.de
SCRIPT_FILENAME	/home/n_faust/software/projekt/cgi-bin/php
REMOTE_PORT	1141
REDIRECT_URL	/php_test.php4
GATEWAY_INTERFACE	CGI/1.1
SERVER_PROTOCOL	HTTP/1.1
REQUEST_METHOD	GET
QUERY_STRING	no value
REQUEST_URI	/php_test.php4
SCRIPT_NAME	/cgi-bin/php
PATH_INFO	/php_test.php4
PATH_TRANSLATED	/home/n_faust/software/projekt/htdocs/php_test.php4

PHP Variables

Variable	Value
PHP_SELF	/php_test.php4
_SERVER["REDIRECT_STATUS"]	200
_SERVER["LD_LIBRARY_PATH"]	/home/n_faust/software/projekt/lib
_SERVER["HTTP_ACCEPT"]	image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, /
_SERVER["HTTP_ACCEPT_LANGUAGE"]	de
_SERVER["HTTP_ACCEPT_ENCODING"]	gzip, deflate
_SERVER["HTTP_USER_AGENT"]	Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)
_SERVER["HTTP_HOST"]	rockster.informatik.uni-kl.de:8081
_SERVER["HTTP_CONNECTION"]	Keep-Alive
_SERVER["PATH"]	/opt/kde3/bin:/opt/gnome/bin:/usr/games:/usr/bin/X11:/usr/bin:/bin:/usr/local/bin:/home/n_faust/software/postgresql-7.4.5/bin:/opt2/jdk-1.4/bin:.
_SERVER["SERVER_SIGNATURE"]	<address>Apache/2.0.52 (Unix) Server at rockster.informatik.uni-kl.de Port 8081</address>
_SERVER["SERVER_SOFTWARE"]	Apache/2.0.52 (Unix)
_SERVER["SERVER_NAME"]	rockster.informatik.uni-kl.de
_SERVER["SERVER_ADDR"]	131.246.103.120
_SERVER["SERVER_PORT"]	8081
_SERVER["REMOTE_ADDR"]	217.185.157.195
_SERVER["DOCUMENT_ROOT"]	/home/n_faust/software/projekt/htdocs
_SERVER["SERVER_ADMIN"]	n_faust at informatik.uni-kl.de
_SERVER["SCRIPT_FILENAME"]	/home/n_faust/software/projekt/cgi-bin/php
_SERVER["REMOTE_PORT"]	1141
_SERVER["REDIRECT_URL"]	/php_test.php4
_SERVER["GATEWAY_INTERFACE"]	CGI/1.1
_SERVER["SERVER_PROTOCOL"]	HTTP/1.1
_SERVER["REQUEST_METHOD"]	GET
_SERVER["QUERY_STRING"]	no value
_SERVER["REQUEST_URI"]	/php_test.php4
_SERVER["SCRIPT_NAME"]	/cgi-bin/php
_SERVER["PATH_INFO"]	/php_test.php4
_SERVER["PATH_TRANSLATED"]	/home/n_faust/software/projekt/htdocs/php_test.php4
_SERVER["PHP_SELF"]	/php_test.php4
_SERVER["argv"]	Array ( )
_SERVER["argc"]	0
_ENV["REDIRECT_STATUS"]	200
_ENV["LD_LIBRARY_PATH"]	/home/n_faust/software/projekt/lib
_ENV["HTTP_ACCEPT"]	image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, /
_ENV["HTTP_ACCEPT_LANGUAGE"]	de
_ENV["HTTP_ACCEPT_ENCODING"]	gzip, deflate
_ENV["HTTP_USER_AGENT"]	Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)
_ENV["HTTP_HOST"]	rockster.informatik.uni-kl.de:8081
_ENV["HTTP_CONNECTION"]	Keep-Alive
_ENV["PATH"]	/opt/kde3/bin:/opt/gnome/bin:/usr/games:/usr/bin/X11:/usr/bin:/bin:/usr/local/bin:/home/n_faust/software/postgresql-7.4.5/bin:/opt2/jdk-1.4/bin:.
_ENV["SERVER_SIGNATURE"]	<address>Apache/2.0.52 (Unix) Server at rockster.informatik.uni-kl.de Port 8081</address>
_ENV["SERVER_SOFTWARE"]	Apache/2.0.52 (Unix)
_ENV["SERVER_NAME"]	rockster.informatik.uni-kl.de
_ENV["SERVER_ADDR"]	131.246.103.120
_ENV["SERVER_PORT"]	8081
_ENV["REMOTE_ADDR"]	217.185.157.195
_ENV["DOCUMENT_ROOT"]	/home/n_faust/software/projekt/htdocs
_ENV["SERVER_ADMIN"]	n_faust at informatik.uni-kl.de
_ENV["SCRIPT_FILENAME"]	/home/n_faust/software/projekt/cgi-bin/php
_ENV["REMOTE_PORT"]	1141
_ENV["REDIRECT_URL"]	/php_test.php4
_ENV["GATEWAY_INTERFACE"]	CGI/1.1
_ENV["SERVER_PROTOCOL"]	HTTP/1.1
_ENV["REQUEST_METHOD"]	GET
_ENV["QUERY_STRING"]	no value
_ENV["REQUEST_URI"]	/php_test.php4
_ENV["SCRIPT_NAME"]	/cgi-bin/php
_ENV["PATH_INFO"]	/php_test.php4
_ENV["PATH_TRANSLATED"]	/home/n_faust/software/projekt/htdocs/php_test.php4

PHP License

This program is free software; you can redistribute it and/or modify it under the terms of the PHP License as published by the PHP Group and included in the distribution in the file: LICENSE

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

If you did not receive a copy of the PHP license, or have any questions about PHP licensing, please contact license at php.net.

-------------------------------------------- Dott. Geol. Stefano Albanese Via S. Giacomo 6 83022 Baiano (AV) Italia Tel.: +390818243143 +393471982279 --------------------------------- Do you Yahoo!? Yahoo! Mail - Easier than ever with enhanced search. Learn more. -------------- next part -------------- An HTML attachment was scrubbed... URL: From unicoletti at PROMETEO.IT Mon Feb 28 06:07:38 2005 From: unicoletti at PROMETEO.IT (Umberto Nicoletti) Date: Mon, 28 Feb 2005 15:07:38 +0100 Subject: Java MapScript issues Servlet In-Reply-To: Message-ID: Quoting Joseph Miller : > Umberto, > > 1)I don't think I compiled specifically with multi-threading because it > wasn't an option listed in the nmake.opt for Microsoft Visual C++ options > file??? The last I heard multithreading was not even on the horizon for > mapserver and yet I see it in the Unix build options file? What do I need > to do this? I only use mapserver on linux, so I can't say much about windows. Except for that I believe that thread support has been in mapserver for quite some time... > > 2)I tried both options you mentioned, I had the problem when passed the > same mapObj from request to request and stored it in the session and when I > set it to null after every request and instantiated it and assigned > attributes based on other variables stored in the requests and sessions? > I'm assuming the latter is preferred? > I think the per-request mapObj is preferrable to keeping mapObj in session and that is partly because of the way mapserver (and mapscript) was meant to work in the beginning, that's to say as a cgi. In fact a cgi is a process that is created once for each request and then exits, so it is stateless. A session approach might work too, but it would require some work to make sure you initialize everything correctly. Also the native code must be carefully checked for dealocks, memory leaks and so on, so programming is much more challenging. The disadvantages of the per request mapObj are relatively small and probably evident only when accessing network resources like database where the initialization part is significantly complex. Regards, Umberto > Thanks, > Joe Miller > > On Mon, 28 Feb 2005 09:44:21 +0100, Umberto Nicoletti > wrote: > > >Did you enable threads support? > >Java, and especially servlets, are definitely highly concurrent > >environment, so you have to enable thread support when compiling > >mapserver and mapscript. One very problematic spot with regards to > >threads is in fact the parser of .map files. > > > >Do you attempt to reuse the same mapObj across multiple requests or just > >create one and dispose as soon as you are done within a single request? > > > >HTH, > >Umberto > > > > > >On Mon, 2005-02-28 at 00:53 -0500, Miller Joseph wrote: > >> Hi, > >> I'm having a baffling problem with a nightly build of Java Mapscript > >> from about a month ago that I am running on Windows 2000 with Tomcat > >> 5.5.4. > >> > >> The symptom I see is that I can generate the default image but after the > >> fourth or fifth time that I pass a new envelope to change the extent of > >> the image I get the following error: > >> > >> The relevant part of the stack trace: > >> java.lang.UnknownError: Failed to draw layer named 'world'. > >> at edu.umn.gis.mapscript.mapscriptJNI.mapObj_draw(Native Method) > >> at edu.umn.gis.mapscript.mapObj.draw(mapObj.java:397) > >> > >> Occasionally I'll get a flex scanner error or tomcat will crash with an > >> Exception_Access_Violation memmove error similar to the one referred to > >> here: > >> http://forum.java.sun.com/thread.jspa?forumID=52&messageID=1124599&threa > >> dID=286832 > >> > >> All of this happens whether I instatiate new instances of the mapObj and > >> set everything to null or if I use the same mapObj throughout and only > >> after a few passes, suggesting to me that there is a memory issue > >> somewhere. I can pass on some specific code, but all I am really doing > >> is creating new envelopes to store extents and then assigning them to > >> the mapObj or extracting the corner coordinates and setting the extent > >> with them. > >> > >> I've been fighting this for a frustrating week now. Does anyone have > >> any advice? > >> > >> Thanks, > >> Joe Miller > >-- > >Umberto Nicoletti At that point it > will > >+390415701366 unicoletti at prometeo.it compile, but segfault, as > it should.. > >Prometeo S.R.L. The Software Experience > > Umberto, > > 1)I don't think I compiled specifically with multi-threading because it > wasn't an option listed in the nmake.opt for Microsoft Visual C++ options > file??? The last I heard multithreading was not even on the horizon for > mapserver and yet I see it in the Unix build options file? What do I need > to do this? > > 2)I tried both options you mentioned, I had the problem when passed the > same mapObj from request to request and stored it in the session and when I > set it to null after every request and instantiated it and assigned > attributes based on other variables stored in the requests and sessions? > I'm assuming the latter is preferred? > > Thanks, > Joe Miller > From lfilak at MEDINACO.ORG Mon Feb 28 06:08:50 2005 From: lfilak at MEDINACO.ORG (Lowell Filak) Date: Mon, 28 Feb 2005 09:08:50 -0500 Subject: file system growing with open files Message-ID: The following message was sent by Agneta Schick on Mon, 28 Feb 2005 13:28:23 +0100. > > The following message was sent by Agneta Schick > > on Fri, 25 Feb 2005 10:52:42 +0100. > > > > > Hello, > > > > > > We have a system problem on a machine with a mapserver application: > > "too many > > > open files" > > > A list of open files shows it is always the same file: the source file > > for a > > > reference map (.png) which is in read mode and never closed. > > > This could be a version problem because we have a similar application on > > > another machine with no such problems. > > > > > > We run > > > MapServer version 4.2.3 OUTPUT=PNG OUTPUT=JPEG OUTPUT=WBMP SUPPORTS=PROJ > > > SUPPORTS=FREETYPE INPUT=TIFF INPUT=EPPL7 INPUT=OGR INPUT=GDAL > > INPUT=SHAPEFILE > > > with mapscript > > > perl 5.8.3 > > > mod_perl-1.29 > > > apache_1.3.27 > > > on Solaris 9. > > > > > > We have set rlim_fd_cur=1024 and rlim_fd_max=4096 to no avail. > > > > > > > > > On the machine without this problem we run > > > MapServer version 3.6.5 OUTPUT=PNG OUTPUT=JPEG OUTPUT=WBMP SUPPORTS=PROJ > > > SUPPORTS=TTF INPUT=TIFF INPUT=EPPL7 INPUT=JPEG INPUT=OGR INPUT=GDAL > > > INPUT=SHAPEFILE > > > with mapscript > > > perl 5.6.1 > > > mod_perl-1.27 > > > apache_1.3.22 > > > on Solaris 8. > > > > Agneta, > > > > A couple of thoughts. > > Are you sure the files are just being left open or are there a load of > > open connections (sockets) to the webserver itself that the processes > > are waiting on to finish? > > My understanding as of the 4.2+ series of MS is that Perl's garbage > > collection will close things when a cgi finishes but when running under > > mod_perl you probably need to explicitly undef the map object to trigger > > the cleanup.? > > I also noticed that the default max number of files per user is lower in > > solaris 9 then in solaris 8. > > > > Lowell > > We explicity increased the number of files for solaris 9. > We have no open connections and the map object is explicitly 'undef'. > The perl script has 'use strict' and 'use warnings' but the apache error_log > is empty. > I have reread and tested the perl script but see no reason for > the reference map not being closed. > Still the count of open files (reference map source) increases by one for each > interaction. > > If the MapServer reads the source data for the map as well as source data > for the reference map why does only the reference map remain open ? Agneta, Sorry, I overlooked the parameters you set (won't ulimit alone take care of that in 9?). Even though it may not solve the problem, is there any reason you can't upgrade to MS 4.4 so, if needed, a bug can be posted against the current base? Lowell From mweinelt at PLANIGLOBE.COM Mon Feb 28 06:12:31 2005 From: mweinelt at PLANIGLOBE.COM (Martin Weinelt) Date: Mon, 28 Feb 2005 15:12:31 +0100 Subject: CGI MapServer: custom error page Message-ID: Hi, is there a way with cgi mapserver to define a custom error page (WEB / ERROR in map file) which also embeds the error message usually displayed. S/th like an [ERROR]-cgi variable for the custom error page? Thanks, Martin From mhbasa at YAHOO.COM Mon Feb 28 06:31:40 2005 From: mhbasa at YAHOO.COM (Mario H. Basa) Date: Mon, 28 Feb 2005 06:31:40 -0800 Subject: Java MapScript issues Servlet In-Reply-To: Message-ID: Hi. From bengt.nilsson at AEROTECHTELUB.SE Mon Feb 28 06:11:09 2005 From: bengt.nilsson at AEROTECHTELUB.SE (Nilsson Bengt) Date: Mon, 28 Feb 2005 15:11:09 +0100 Subject: Bug in msPOSTGISLayerGetShape? Message-ID: Hi, I'm using mapserver 4.4.1together with postgis-1.0.0-rc1 under Apache on RH9. When trying to get a single shape via GetFeature the server breaks with 'Premature end of script headers: /usr/local/apache/cgi-bin/mapserv'. With a little bit of debugging I can see that it's msAddLine that fails, of two reasons actually; p->numlines is completely wrong and so is p->line. In my case 'msAddLine' is called by 'force_to_polygons' which in turn is called by 'msPOSTGISLayerGetShape'. Reset of p->numlines and p->line in 'force_to_polygons' seems to fix the problem but I suppose that it should be done somewhere else. /Regards Bengt From fwarmerdam at GMAIL.COM Mon Feb 28 07:16:26 2005 From: fwarmerdam at GMAIL.COM (Frank Warmerdam) Date: Mon, 28 Feb 2005 10:16:26 -0500 Subject: tfw problem In-Reply-To: Message-ID: On Mon, 28 Feb 2005 00:17:48 +0100, Karel Cech wrote: > hi list, > recently I ran into problems displaying rasters with mapserver. I have > some 12 tiled ttf imges in S-JTSK (say EPSG 2065?) using tfw files. > what would be a best way to display it in wgs84? I have read docs, but > surely I had missed something. Karel, Krovak is tricky because some uses of Krovak projection use unusual axis orientations which may not be well handled by PROJ.4 - or at least the epsg derived definitions. I would encourage you to start by running gdalinfo on your file and making sure that it's lat/long corners make sense. If the file has no projection definition you might want to add it manually with a command line: gdal_translate -a_srs EPSG:2065 ostrava01.ttf ostrava01_geo.tif gdalinfo ostrava01_geo.tif If that works properly, then MapServer should be ready to handle the projection of the image. You mention that your example mapfile displays a while image. I am not sure why that is, since the .tfw file and the image should be enough for MapServer to work on even if it does not understand the actual coordinate system. There could be a variety of normal issues of course. Have you enabled the layer in your render (STATUS ON really means this layer can be enabled), are there any path problems? Is the image white? etc. Normal MapServer debugging rules apply. I would encourage you to work out your base problems before trying to address the projections related issues. PS. why the .ttf extension? I am assuming these are TIFF files, for which the normal extension would be .tif or possibly .tiff. Best regards, -- ---------------------------------------+-------------------------------------- I set the clouds in motion - turn up | Frank Warmerdam, warmerdam at pobox.com light and sound - activate the windows | http://pobox.com/~warmerdam and watch the world go round - Rush | Geospatial Programmer for Rent From unicoletti at PROMETEO.IT Mon Feb 28 07:31:42 2005 From: unicoletti at PROMETEO.IT (Umberto Nicoletti) Date: Mon, 28 Feb 2005 16:31:42 +0100 Subject: Java MapScript issues Servlet In-Reply-To: <20050228143140.20928.qmail@web30506.mail.mud.yahoo.com> Message-ID: Quoting "Mario H. Basa" : > Hi. > > >From my experience, Java Mapscript still has some > problems with threads, and can still easily bring down > Tomcat even with the thread compile option is set. > Please correct me if I am wrong. > Yes, that is probably correct, although it is not *that easy*. I have also stressed mapscript with jmeter and actually not found errors, but I did not cover querying. That is why I voted for improved thread safety when the devs showed their wishlists. > What I did was I synchronized the class that does the > map processing, and now my test app can survive > benchmarking with JMeter. Here are my results as > compared with a simillar PHP CGI program: > This is definitely a correct workaround. > 4 threads (requests) per second, repeated 25 times > > PHP Mapscript 1.8 to 1.9 pages per second > Java Mapscript 2.3 to 2.5 pages per second > > I was honestly surprised with the result and it is > encouraging me to work with Java Mapscript even in a > synchronized mode. > Were you using apache 1.3 or 2.x in the php tests? Apache 1.3 uses a fork based model, that while being extremely safe and sound is not as fast as a threaded model. Apache 2.x has threads and should be faster. Regards, Umberto > mario > yokohama,japan > > > --- Joseph Miller wrote: > > > Umberto, > > > > 1)I don't think I compiled specifically with > > multi-threading because it > > wasn't an option listed in the nmake.opt for > > Microsoft Visual C++ options > > file??? The last I heard multithreading was not > > even on the horizon for > > mapserver and yet I see it in the Unix build options > > file? What do I need > > to do this? > > > > 2)I tried both options you mentioned, I had the > > problem when passed the > > same mapObj from request to request and stored it in > > the session and when I > > set it to null after every request and instantiated > > it and assigned > > attributes based on other variables stored in the > > requests and sessions? > > I'm assuming the latter is preferred? > > > > Thanks, > > Joe Miller > > > > On Mon, 28 Feb 2005 09:44:21 +0100, Umberto > > Nicoletti > > wrote: > > > > >Did you enable threads support? > > >Java, and especially servlets, are definitely > > highly concurrent > > >environment, so you have to enable thread support > > when compiling > > >mapserver and mapscript. One very problematic spot > > with regards to > > >threads is in fact the parser of .map files. > > > > > >Do you attempt to reuse the same mapObj across > > multiple requests or just > > >create one and dispose as soon as you are done > > within a single request? > > > > > >HTH, > > >Umberto > > > > > > > > >On Mon, 2005-02-28 at 00:53 -0500, Miller Joseph > > wrote: > > >> Hi, > > >> I'm having a baffling problem with a nightly > > build of Java Mapscript > > >> from about a month ago that I am running on > > Windows 2000 with Tomcat > > >> 5.5.4. > > >> > > >> The symptom I see is that I can generate the > > default image but after the > > >> fourth or fifth time that I pass a new envelope > > to change the extent of > > >> the image I get the following error: > > >> > > >> The relevant part of the stack trace: > > >> java.lang.UnknownError: Failed to draw layer > > named 'world'. > > >> at > > > edu.umn.gis.mapscript.mapscriptJNI.mapObj_draw(Native > > Method) > > >> at > > edu.umn.gis.mapscript.mapObj.draw(mapObj.java:397) > > >> > > >> Occasionally I'll get a flex scanner error or > > tomcat will crash with an > > >> Exception_Access_Violation memmove error similar > > to the one referred to > > >> here: > > >> > > > http://forum.java.sun.com/thread.jspa?forumID=52&messageID=1124599&threa > > >> dID=286832 > > >> > > >> All of this happens whether I instatiate new > > instances of the mapObj and > > >> set everything to null or if I use the same > > mapObj throughout and only > > >> after a few passes, suggesting to me that there > > is a memory issue > > >> somewhere. I can pass on some specific code, but > > all I am really doing > > >> is creating new envelopes to store extents and > > then assigning them to > > >> the mapObj or extracting the corner coordinates > > and setting the extent > > >> with them. > > >> > > >> I've been fighting this for a frustrating week > > now. Does anyone have > > >> any advice? > > >> > > >> Thanks, > > >> Joe Miller > > >-- > > >Umberto Nicoletti > > At that point it > > will > > >+390415701366 unicoletti at prometeo.it > > compile, but segfault, as > > it should.. > > >Prometeo S.R.L. The Software Experience > > > > Umberto, > > > > 1)I don't think I compiled specifically with > > multi-threading because it > > wasn't an option listed in the nmake.opt for > > Microsoft Visual C++ options > > file??? The last I heard multithreading was not > > even on the horizon for > > mapserver and yet I see it in the Unix build options > > file? What do I need > > to do this? > > > > 2)I tried both options you mentioned, I had the > > problem when passed the > > same mapObj from request to request and stored it in > > the session and when I > > set it to null after every request and instantiated > > it and assigned > > attributes based on other variables stored in the > > requests and sessions? > > I'm assuming the latter is preferred? > > > > Thanks, > > Joe Miller > > > > > > > __________________________________ > Do you Yahoo!? > Yahoo! Sports - Sign up for Fantasy Baseball. > http://baseball.fantasysports.yahoo.com/ > From cdaily at GMAIL.COM Mon Feb 28 08:21:11 2005 From: cdaily at GMAIL.COM (Camden Daily) Date: Mon, 28 Feb 2005 10:21:11 -0600 Subject: Railroad symbol In-Reply-To: <421F84AB.6050108@nacse.org> Message-ID: Dylan, Thanks for the insight. I finally got mine working just the way I wanted, with two lines and 'ties' in between that angle with the railroad. Here's how I'm doing it: LAYER NAME "rail" TYPE LINE STATUS OFF DATA "rail" CLASS STYLE SYMBOL 'rail_line' COLOR 60 60 60 SIZE 1 OFFSET -2 -2 END STYLE SYMBOL 'tie' COLOR 60 60 60 SIZE 9 END STYLE SYMBOL 'rail_line' COLOR 60 60 60 SIZE 1 OFFSET 2 2 END END PROJECTION "init=epsg:4326" END END SYMBOL NAME 'rail_line' TYPE ellipse FILLED true POINTS 1 1 END END SYMBOL NAME 'tie' TYPE TRUETYPE FONT "arial" CHARACTER "I" GAP -10 # force mapserver to angle the symbol END -Camden On Fri, 25 Feb 2005 12:03:55 -0800, Dylan Keon wrote: > Camden Daily wrote: > > Does anyone have a good symbol or set of symbols that they use to draw > > railroads? I'd like the basic two parallel lines with horizontal > > 'ties'. I just can't seem to get it to work right. > > > > Otherwise, does anyone have any in-depth documentation for how to draw > > symbols? The documentation out there seems to be more a set of > > examples rather than an explanation of how mapserver actually > > interprets the data. > > Camden, > > The following will produce a single line with tie marks. Not a > double-parallel line, but it might get you started anyway. > > --Dylan > > In layer definition: > CLASS > NAME 'Active Line' > EXPRESSION /Active/ > STYLE > SYMBOL 'circle' > COLOR 0 0 0 > SIZE 1 > END > OVERLAYSYMBOL 'fence' > OVERLAYCOLOR 0 0 0 > OVERLAYSIZE 7 > END > > In my symbols.sym file: > SYMBOL #12 > NAME "fence" > TYPE TRUETYPE > FONT "arial" > CHARACTER "I" > GAP 10 > END > From frstylrz at JUNO.COM Mon Feb 28 09:13:37 2005 From: frstylrz at JUNO.COM (Lahn Pra) Date: Mon, 28 Feb 2005 11:13:37 -0600 Subject: GDAL for MS4W Message-ID: Hi. I'm a mapserver newbie. I dl'd a precompiled version of mapserver441 from maptools.org. I was wondering if there was some way i could install gdal to work with it. Where exactly could I dl Gdal from and what would I need to do in terms of configuration. Thanks for any help. From bartvde at XS4ALL.NL Mon Feb 28 09:11:12 2005 From: bartvde at XS4ALL.NL (Bart van den Eijnden) Date: Mon, 28 Feb 2005 18:11:12 +0100 Subject: GDAL for MS4W In-Reply-To: Message-ID: Hi, download fwtools, that includes gdal and all the utilities associated with it. http://fwtools.maptools.org Best regards, Bart On Mon, 28 Feb 2005 11:13:37 -0600, Lahn Pra wrote: > Hi. I'm a mapserver newbie. I dl'd a precompiled version of mapserver441 > from maptools.org. I was wondering if there was some way i could install > gdal to work with it. Where exactly could I dl Gdal from and what would I > need to do in terms of configuration. Thanks for any help. > -- Using Opera's revolutionary e-mail client: http://www.opera.com/m2/ From candrews at DIGITALGLOBE.COM Mon Feb 28 09:29:51 2005 From: candrews at DIGITALGLOBE.COM (Chris Andrews) Date: Mon, 28 Feb 2005 10:29:51 -0700 Subject: Good GIS/Map Portal site? Message-ID: Hey folks, Does anyone know of a good GIS or Map portal site (besides the GOMOOS site in Maine... I've already referenced them). I just need another example to speak about in an article. Preferrably, I'd like some suggestions by tomorrow or Wed at the latest. A portal should be a little more than just a map browser. Thanks! Chris Chris Andrews Director of GIS Solutions Idea Integration Denver, CO -------------- next part -------------- An HTML attachment was scrubbed... URL: From ed at TOPOZONE.COM Mon Feb 28 09:36:52 2005 From: ed at TOPOZONE.COM (Ed McNierney) Date: Mon, 28 Feb 2005 12:36:52 -0500 Subject: Good GIS/Map Portal site? Message-ID: Chris - I don't mean to sound dense, but if you can define "portal" a little better it will be easier for us to help. What exactly are you looking for? "a little more than just a map browser" doesn't tell us much, because it probably includes lots of things you don't want. Thanks! - Ed Ed McNierney President and Chief Mapmaker TopoZone.com / Maps a la carte, Inc. 73 Princeton Street, Suite 305 North Chelmsford, MA 01863 ed at topozone.com (978) 251-4242 ________________________________ From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of Chris Andrews Sent: Monday, February 28, 2005 12:30 PM To: MAPSERVER-USERS at LISTS.UMN.EDU Subject: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? Hey folks, Does anyone know of a good GIS or Map portal site (besides the GOMOOS site in Maine... I've already referenced them). I just need another example to speak about in an article. Preferrably, I'd like some suggestions by tomorrow or Wed at the latest. A portal should be a little more than just a map browser. Thanks! Chris Chris Andrews Director of GIS Solutions Idea Integration Denver, CO -------------- next part -------------- An HTML attachment was scrubbed... URL: From candrews at DIGITALGLOBE.COM Mon Feb 28 09:46:18 2005 From: candrews at DIGITALGLOBE.COM (Chris Andrews) Date: Mon, 28 Feb 2005 10:46:18 -0700 Subject: Good GIS/Map Portal site? Message-ID: Ed Sorry... good point. And I'm trying to come up with that definition myself as it's quite vague in typical usage. A GIS portal is possibly described as a site that is maintained by a single organization or company that may offer public and internal users access to maps, information, reports, applications, and feedback pertaining to a specific domain or business function. The information and tools accessible to the user may be customized or constrained by role- or user-level access privileges. For example, an airline map-based portal might have four different roles of users: general public, logged in users, frequent flyers, and various levels of internal corporate users. You might have access to flight reservations, a map of your flight history, reports differentiating business vs. personal travel, frequent flyer credit card information, billing information, etc. Right now there are as many opinions of what portals are as there are GIS people out there trying to implement them. I am very interested to see what folks think are good examples of GIS portals and I'm always hoping the open source community has some good leads. Thanks again! Chris ________________________________ From: Ed McNierney [mailto:ed at topozone.com] Sent: Monday, February 28, 2005 10:37 AM To: Chris Andrews; MAPSERVER-USERS at LISTS.UMN.EDU Subject: RE: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? Chris - I don't mean to sound dense, but if you can define "portal" a little better it will be easier for us to help. What exactly are you looking for? "a little more than just a map browser" doesn't tell us much, because it probably includes lots of things you don't want. Thanks! - Ed Ed McNierney President and Chief Mapmaker TopoZone.com / Maps a la carte, Inc. 73 Princeton Street, Suite 305 North Chelmsford, MA 01863 ed at topozone.com (978) 251-4242 ________________________________ From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of Chris Andrews Sent: Monday, February 28, 2005 12:30 PM To: MAPSERVER-USERS at LISTS.UMN.EDU Subject: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? Hey folks, Does anyone know of a good GIS or Map portal site (besides the GOMOOS site in Maine... I've already referenced them). I just need another example to speak about in an article. Preferrably, I'd like some suggestions by tomorrow or Wed at the latest. A portal should be a little more than just a map browser. Thanks! Chris Chris Andrews Director of GIS Solutions Idea Integration Denver, CO -------------- next part -------------- An HTML attachment was scrubbed... URL: From ed at TOPOZONE.COM Mon Feb 28 10:32:28 2005 From: ed at TOPOZONE.COM (Ed McNierney) Date: Mon, 28 Feb 2005 13:32:28 -0500 Subject: Good GIS/Map Portal site? Message-ID: Chris - Thanks for the clarification! I usually think of a "map portal" as a directory/index/gateway to multiple map sites. It sounds like you're looking for integrated sites that combine maps with other forms of related information. Time to put on my thinking cap (or browsing beanie, I suppose)! - Ed Ed McNierney President and Chief Mapmaker TopoZone.com / Maps a la carte, Inc. 73 Princeton Street, Suite 305 North Chelmsford, MA 01863 ed at topozone.com (978) 251-4242 ________________________________ From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of Chris Andrews Sent: Monday, February 28, 2005 12:46 PM To: MAPSERVER-USERS at LISTS.UMN.EDU Subject: Re: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? Ed Sorry... good point. And I'm trying to come up with that definition myself as it's quite vague in typical usage. A GIS portal is possibly described as a site that is maintained by a single organization or company that may offer public and internal users access to maps, information, reports, applications, and feedback pertaining to a specific domain or business function. The information and tools accessible to the user may be customized or constrained by role- or user-level access privileges. For example, an airline map-based portal might have four different roles of users: general public, logged in users, frequent flyers, and various levels of internal corporate users. You might have access to flight reservations, a map of your flight history, reports differentiating business vs. personal travel, frequent flyer credit card information, billing information, etc. Right now there are as many opinions of what portals are as there are GIS people out there trying to implement them. I am very interested to see what folks think are good examples of GIS portals and I'm always hoping the open source community has some good leads. Thanks again! Chris ________________________________ From: Ed McNierney [mailto:ed at topozone.com] Sent: Monday, February 28, 2005 10:37 AM To: Chris Andrews; MAPSERVER-USERS at LISTS.UMN.EDU Subject: RE: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? Chris - I don't mean to sound dense, but if you can define "portal" a little better it will be easier for us to help. What exactly are you looking for? "a little more than just a map browser" doesn't tell us much, because it probably includes lots of things you don't want. Thanks! - Ed Ed McNierney President and Chief Mapmaker TopoZone.com / Maps a la carte, Inc. 73 Princeton Street, Suite 305 North Chelmsford, MA 01863 ed at topozone.com (978) 251-4242 ________________________________ From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of Chris Andrews Sent: Monday, February 28, 2005 12:30 PM To: MAPSERVER-USERS at LISTS.UMN.EDU Subject: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? Hey folks, Does anyone know of a good GIS or Map portal site (besides the GOMOOS site in Maine... I've already referenced them). I just need another example to speak about in an article. Preferrably, I'd like some suggestions by tomorrow or Wed at the latest. A portal should be a little more than just a map browser. Thanks! Chris Chris Andrews Director of GIS Solutions Idea Integration Denver, CO -------------- next part -------------- An HTML attachment was scrubbed... URL: From Richard_D_Levine at RAYTHEON.COM Mon Feb 28 10:44:37 2005 From: Richard_D_Levine at RAYTHEON.COM (Rick Levine) Date: Mon, 28 Feb 2005 13:44:37 -0500 Subject: Good GIS/Map Portal site? Message-ID: This from the mapserver homepage: http://www.dnr.state.mn.us/maps/compass.html A few clicks from the homepage: http://www2.dmsolutions.on.ca/gmap/gmap75.phtml hth Rick Ed McNierney To: MAPSERVER-USERS at LISTS.UMN.EDU Sent by: UMN cc: MapServer Users List Subject: Re: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? 02/28/2005 01:32 PM Please respond to Ed McNierney Chris - Thanks for the clarification! I usually think of a "map portal" as a directory/index/gateway to multiple map sites. It sounds like you're looking for integrated sites that combine maps with other forms of related information. Time to put on my thinking cap (or browsing beanie, I suppose)! - Ed Ed McNierney President and Chief Mapmaker TopoZone.com / Maps a la carte, Inc. 73 Princeton Street, Suite 305 North Chelmsford, MA 01863 ed at topozone.com (978) 251-4242 From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of Chris Andrews Sent: Monday, February 28, 2005 12:46 PM To: MAPSERVER-USERS at LISTS.UMN.EDU Subject: Re: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? Ed Sorry... good point. And I'm trying to come up with that definition myself as it's quite vague in typical usage. A GIS portal is possibly described as a site that is maintained by a single organization or company that may offer public and internal users access to maps, information, reports, applications, and feedback pertaining to a specific domain or business function. The information and tools accessible to the user may be customized or constrained by role- or user-level access privileges. For example, an airline map-based portal might have four different roles of users: general public, logged in users, frequent flyers, and various levels of internal corporate users. You might have access to flight reservations, a map of your flight history, reports differentiating business vs. personal travel, frequent flyer credit card information, billing information, etc. Right now there are as many opinions of what portals are as there are GIS people out there trying to implement them. I am very interested to see what folks think are good examples of GIS portals and I?m always hoping the open source community has some good leads. Thanks again! Chris From: Ed McNierney [mailto:ed at topozone.com] Sent: Monday, February 28, 2005 10:37 AM To: Chris Andrews; MAPSERVER-USERS at LISTS.UMN.EDU Subject: RE: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? Chris - I don't mean to sound dense, but if you can define "portal" a little better it will be easier for us to help. What exactly are you looking for? "a little more than just a map browser" doesn't tell us much, because it probably includes lots of things you don't want. Thanks! - Ed Ed McNierney President and Chief Mapmaker TopoZone.com / Maps a la carte, Inc. 73 Princeton Street, Suite 305 North Chelmsford, MA 01863 ed at topozone.com (978) 251-4242 From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of Chris Andrews Sent: Monday, February 28, 2005 12:30 PM To: MAPSERVER-USERS at LISTS.UMN.EDU Subject: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? Hey folks, Does anyone know of a good GIS or Map portal site (besides the GOMOOS site in Maine... I've already referenced them). I just need another example to speak about in an article. Preferrably, I'd like some suggestions by tomorrow or Wed at the latest. A portal should be a little more than just a map browser. Thanks! Chris Chris Andrews Director of GIS Solutions Idea Integration Denver, CO From frstylrz at JUNO.COM Mon Feb 28 12:25:28 2005 From: frstylrz at JUNO.COM (Lahn Pra) Date: Mon, 28 Feb 2005 14:25:28 -0600 Subject: Setting up GMAP for MS4W Message-ID: Hi.. I'm a bit confused as to how to set up GMAP_ms4w for a precompiled version of MS4W that I installed. I got the MS4W(4.4.1) and GMAP from maptools.org. I read the GMAP installations. I extracted into the root and created a c:\tmp\ms_tmp folder like it asked. Next, it says to create an alias in the Apache configuration. I'm new to MapServers (Web Servers in general) and not too familiar as to what this means. I'm assuming that I am supposed to insert an 'Alias' pointing to the ms_tmp file.."?" into the c:\ms4w\httpd.d -httpd_gmap.conf file? or the c:\apache\conf -httpd.conf file? I've tried both. Changes in the httpd.conf file resulted in errors. The Mapserver ended up loading pages with missing images. My 'httpd_gmap.conf' file looks like this... Alias /gmap/ "/ms4w/apps/gmap/htdocs/" Alias /gmap/ "/ms4w/tmp/ms_tmp" I made the changes and restarted the apache server. It doesn't work. In addition.. when I do try to access the Gmap link, I get the following error.. --- Warning: dl(): Unable to load dynamic library '/ms4w/Apache/php/extensions/php_mapscript_36.dll' - The specified module could not be found. in C:\ms4w\apps\gmap\htdocs\gmap75.phtml on line 50 Fatal error: Call to undefined function: ms_getversion() in C:\ms4w\apps\gmap\htdocs\gmap75.php3 on line 51 ---- I think I may be doing this entirely wrong. If someone can help, tha'd be great. Thanks. From ealpert at DIGITALGLOBE.COM Mon Feb 28 12:25:48 2005 From: ealpert at DIGITALGLOBE.COM (Ethan Alpert) Date: Mon, 28 Feb 2005 13:25:48 -0700 Subject: Good GIS/Map Portal site? Message-ID: http://www2.dmsolutions.on.ca/gmap/gmap75.phtml This link crashes my browser :/ From roberto.bianconi at GMAIL.COM Mon Feb 28 12:30:53 2005 From: roberto.bianconi at GMAIL.COM (Roberto Bianconi) Date: Mon, 28 Feb 2005 21:30:53 +0100 Subject: Query with dates in Message-ID: Hi, I have a shp file where data in the dbf associated are rows like this (field names in first row): CODE, BEGIN, END, VALUE A1, 2002-10-03T09:30:00, 2002-10-04T09:30:00, 60. A2, 2002-10-03T09:30:00, 2002-10-05T09:30:00, 60. Everything works if I just retrieve CODEs with: CLASS SYMBOL "cross" EXPRESSION ([VALUE] > 50. and [VALUE] <= 75.) COLOR 70 255 0 OUTLINECOLOR 0 0 0 END However, if I query on dates too, then nothing is retrieved: CLASS SYMBOL "cross" EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and [BEGIN] < '2002-10-06T18:00:00') COLOR 70 255 0 OUTLINECOLOR 0 0 0 END I've also tried the '2002-10-06 09:30' format, but no way... Thanks for any comment... Roberto From Richard_D_Levine at RAYTHEON.COM Mon Feb 28 12:32:32 2005 From: Richard_D_Levine at RAYTHEON.COM (Rick Levine) Date: Mon, 28 Feb 2005 15:32:32 -0500 Subject: Good GIS/Map Portal site? Message-ID: Hmmm. It worked in IE. I then tried Firefox and it didn't crash, but thought I need to install a JRE to display the map. What are you running? --Rick "Ethan Alpert" , lobe.com> cc: Subject: RE: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? 02/28/2005 03:25 PM http://www2.dmsolutions.on.ca/gmap/gmap75.phtml This link crashes my browser :/ From bartvde at XS4ALL.NL Mon Feb 28 12:31:11 2005 From: bartvde at XS4ALL.NL (Bart van den Eijnden) Date: Mon, 28 Feb 2005 21:31:11 +0100 Subject: Setting up GMAP for MS4W In-Reply-To: Message-ID: Hi, first of all, it would be better to ask this question on the MS4W list. Fast answer, to install an MS4W application you have to do: -place the application specific conf file in the /ms4w/httpd.d directory -place the application specific pkg.html file in the /ms4w/apache/htdocs directory -place the application in /ms4w/apps/ -restart Apache If you have downloaded MS4W, you don't need to setup any aliases in Apache conf files. It is preconfigured. Btw never use the same name for an alias as in your example, Apache does not like that. The problem is that the MS4W GMap application is a bit outdated (2003!), there was an update on this to work with Mapserver/Mapscript 4, but not as an MS4W package, see gmap-ms40.zip on: http://dl.maptools.org/dl/ Hope this gets you started, if not please continue on the MS4W list. Best regards, Bart On Mon, 28 Feb 2005 14:25:28 -0600, Lahn Pra wrote: > Hi.. I'm a bit confused as to how to set up GMAP_ms4w for a precompiled > version of MS4W that I installed. I got the MS4W(4.4.1) and GMAP from > maptools.org. I read the GMAP installations. I extracted into the root > and > created a c:\tmp\ms_tmp folder like it asked. Next, it says to create an > alias in the Apache configuration. I'm new to MapServers (Web Servers in > general) and not too familiar as to what this means. I'm assuming that I > am > supposed to insert an 'Alias' pointing to the ms_tmp file.."?" into the > c:\ms4w\httpd.d -httpd_gmap.conf file? or the c:\apache\conf -httpd.conf > file? > > I've tried both. Changes in the httpd.conf file resulted in errors. The > Mapserver ended up loading pages with missing images. My > 'httpd_gmap.conf' > file looks like this... > > Alias /gmap/ "/ms4w/apps/gmap/htdocs/" > Alias /gmap/ "/ms4w/tmp/ms_tmp" > > I made the changes and restarted the apache server. It doesn't work. In > addition.. when I do try to access the Gmap link, I get the following > error.. > --- > Warning: dl(): Unable to load dynamic > library '/ms4w/Apache/php/extensions/php_mapscript_36.dll' - The > specified > module could not be found. in C:\ms4w\apps\gmap\htdocs\gmap75.phtml on > line > 50 > > Fatal error: Call to undefined function: ms_getversion() in > C:\ms4w\apps\gmap\htdocs\gmap75.php3 on line 51 > ---- > > I think I may be doing this entirely wrong. If someone can help, tha'd be > great. Thanks. > -- Using Opera's revolutionary e-mail client: http://www.opera.com/m2/ From bartvde at XS4ALL.NL Mon Feb 28 12:36:12 2005 From: bartvde at XS4ALL.NL (Bart van den Eijnden) Date: Mon, 28 Feb 2005 21:36:12 +0100 Subject: Good GIS/Map Portal site? In-Reply-To: <1FB6937A87F9074C9A2B8F9D9137EB160453B084@COMAIL01.digitalglobe.com> Message-ID: Hi Chris, what about the Atlas of Canada? http://atlas.gc.ca/site/english/index.html Best regards, Bart On Mon, 28 Feb 2005 10:29:51 -0700, Chris Andrews wrote: > Hey folks, > > Does anyone know of a good GIS or Map portal site (besides the GOMOOS > site in Maine... I've already referenced them). I just need another > example to speak about in an article. Preferrably, I'd like some > suggestions by tomorrow or Wed at the latest. > A portal should be a little more than just a map browser. > > Thanks! > Chris > > > Chris Andrews > Director of GIS Solutions > Idea Integration > Denver, CO > -- Using Opera's revolutionary e-mail client: http://www.opera.com/m2/ From fwarmerdam at GMAIL.COM Mon Feb 28 12:40:53 2005 From: fwarmerdam at GMAIL.COM (Frank Warmerdam) Date: Mon, 28 Feb 2005 15:40:53 -0500 Subject: Query with dates in In-Reply-To: <29879c6d05022812307b07a52a@mail.gmail.com> Message-ID: On Mon, 28 Feb 2005 21:30:53 +0100, Roberto Bianconi wrote: > Hi, > > I have a shp file where data in the dbf associated are rows like this > (field names in first row): > > CODE, BEGIN, END, VALUE > A1, 2002-10-03T09:30:00, 2002-10-04T09:30:00, 60. > A2, 2002-10-03T09:30:00, 2002-10-05T09:30:00, 60. > > Everything works if I just retrieve CODEs with: > > CLASS > SYMBOL "cross" > EXPRESSION ([VALUE] > 50. and [VALUE] <= 75.) > COLOR 70 255 0 > OUTLINECOLOR 0 0 0 > END > > However, if I query on dates too, then nothing is retrieved: > > CLASS > SYMBOL "cross" > EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and [BEGIN] < > '2002-10-06T18:00:00') > COLOR 70 255 0 > OUTLINECOLOR 0 0 0 > END > > I've also tried the '2002-10-06 09:30' format, but no way... Roberto, Steve would know better, but aren't expressions just evaluated as simple arithmetic comparisons when you use < or >? Wouldn't '2002-10-06T18:00:00' just evaluate to the number 2002? In which case only records from before 2002 would be returned. If you want smart date handling I think you need to accomplish it somehow else. I could be wrong about the issue of course. Best regards, -- ---------------------------------------+-------------------------------------- I set the clouds in motion - turn up | Frank Warmerdam, warmerdam at pobox.com light and sound - activate the windows | http://pobox.com/~warmerdam and watch the world go round - Rush | Geospatial Programmer for Rent From ealpert at DIGITALGLOBE.COM Mon Feb 28 12:48:32 2005 From: ealpert at DIGITALGLOBE.COM (Ethan Alpert) Date: Mon, 28 Feb 2005 13:48:32 -0700 Subject: Good GIS/Map Portal site? Message-ID: I'm running IE, the next time I tried it worked so something on an earlier sight must have borked my JRE requiring a restart. -e -----Original Message----- From: Richard_D_Levine at raytheon.com [mailto:Richard_D_Levine at raytheon.com] Sent: Monday, February 28, 2005 1:33 PM To: Ethan Alpert Cc: MAPSERVER-USERS at LISTS.UMN.EDU Subject: RE: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? Hmmm. It worked in IE. I then tried Firefox and it didn't crash, but thought I need to install a JRE to display the map. What are you running? --Rick "Ethan Alpert" , lobe.com> cc: Subject: RE: [UMN_MAPSERVER-USERS] Good GIS/Map Portal site? 02/28/2005 03:25 PM http://www2.dmsolutions.on.ca/gmap/gmap75.phtml This link crashes my browser :/ From alba75 at YAHOO.COM Mon Feb 28 12:50:15 2005 From: alba75 at YAHOO.COM (Dott. Stefano Albanese) Date: Mon, 28 Feb 2005 12:50:15 -0800 Subject: Please Help me....How use a combo box to query a shp file and zoom to selected element Message-ID: Hi everybody, hi hope u can help me in solving my troubles. I'd like to add to my html file (where map is shown) a combo box storing names of a column in dbf file and to add the function of zooming to selected elements clicking on a "go button". I know it has to be an easy procedure for expert users, but i'm new user so it would be nice from u if u want to help me. I tryed some demos i found on the net but i wasn't able to solve. So could u help me replying with some comments on how i can make this? I will post u my codes, so that u can easily give me your solution to my problem. I used to compile project the avein plugin for arcview. The map shows a poligon theme where each poligon corrispond to the boundaries of towns (comuni) in an italian region. I would be able to search each town just clicking on its name in he combobox and to see the poligon zoomed and highlighted in red. The shape file used is called "campanianew.shp" Anyways if u want help me i can send to u a zip file with complete project. Thanx in advance. NB. I posted this request few hours ago. U can read there also contents of files i used. Dott. Geol. Stefano Albanese Via S. Giacomo 6 83022 Baiano (AV) Italia Tel.: +390818243143 +393471982279 --------------------------------- Do you Yahoo!? Yahoo! Mail - Find what you need with new enhanced search. Learn more. -------------- next part -------------- An HTML attachment was scrubbed... URL: From roberto.bianconi at GMAIL.COM Mon Feb 28 12:52:26 2005 From: roberto.bianconi at GMAIL.COM (Roberto Bianconi) Date: Mon, 28 Feb 2005 21:52:26 +0100 Subject: Query with dates in In-Reply-To: <931f8ea9050228124062cfa1f0@mail.gmail.com> Message-ID: Hi Frank, I've now tried this: CLASS # 1 SYMBOL "cross" EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and [BEGIN] < 3000) COLOR 70 255 0 OUTLINECOLOR 0 0 0 END and this: CLASS # 1 SYMBOL "cross" EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and [BEGIN] lt '3000') COLOR 70 255 0 OUTLINECOLOR 0 0 0 END but stilI I don't get anything. On Mon, 28 Feb 2005 15:40:53 -0500, Frank Warmerdam wrote: > On Mon, 28 Feb 2005 21:30:53 +0100, Roberto Bianconi > wrote: > > Hi, > > > > I have a shp file where data in the dbf associated are rows like this > > (field names in first row): > > > > CODE, BEGIN, END, VALUE > > A1, 2002-10-03T09:30:00, 2002-10-04T09:30:00, 60. > > A2, 2002-10-03T09:30:00, 2002-10-05T09:30:00, 60. > > > > Everything works if I just retrieve CODEs with: > > > > CLASS > > SYMBOL "cross" > > EXPRESSION ([VALUE] > 50. and [VALUE] <= 75.) > > COLOR 70 255 0 > > OUTLINECOLOR 0 0 0 > > END > > > > However, if I query on dates too, then nothing is retrieved: > > > > CLASS > > SYMBOL "cross" > > EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and [BEGIN] < > > '2002-10-06T18:00:00') > > COLOR 70 255 0 > > OUTLINECOLOR 0 0 0 > > END > > > > I've also tried the '2002-10-06 09:30' format, but no way... > > Roberto, > > Steve would know better, but aren't expressions just evaluated as simple > arithmetic comparisons when you use < or >? Wouldn't > '2002-10-06T18:00:00' just evaluate to the number 2002? In > which case only records from before 2002 would be returned. > > If you want smart date handling I think you need to accomplish > it somehow else. I could be wrong about the issue of course. > > Best regards, > -- > ---------------------------------------+-------------------------------------- > I set the clouds in motion - turn up | Frank Warmerdam, warmerdam at pobox.com > light and sound - activate the windows | http://pobox.com/~warmerdam > and watch the world go round - Rush | Geospatial Programmer for Rent > From assefa at DMSOLUTIONS.CA Mon Feb 28 12:52:30 2005 From: assefa at DMSOLUTIONS.CA (Yewondwossen Assefa) Date: Mon, 28 Feb 2005 12:52:30 -0800 Subject: Query with dates in In-Reply-To: <29879c6d05022812307b07a52a@mail.gmail.com> Message-ID: To be able to do "real" time comparison, you need to enclose the field and the value between backtics (something like (`[time_field]` eq `2004-10-12`) should work. I think most of the common operators (if not all) should work with time values. Later, Roberto Bianconi wrote: >Hi, > >I have a shp file where data in the dbf associated are rows like this >(field names in first row): > >CODE, BEGIN, END, VALUE >A1, 2002-10-03T09:30:00, 2002-10-04T09:30:00, 60. >A2, 2002-10-03T09:30:00, 2002-10-05T09:30:00, 60. > >Everything works if I just retrieve CODEs with: > >CLASS > SYMBOL "cross" > EXPRESSION ([VALUE] > 50. and [VALUE] <= 75.) > COLOR 70 255 0 > OUTLINECOLOR 0 0 0 > END > >However, if I query on dates too, then nothing is retrieved: > >CLASS > SYMBOL "cross" > EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and [BEGIN] < >'2002-10-06T18:00:00') > COLOR 70 255 0 > OUTLINECOLOR 0 0 0 > END > >I've also tried the '2002-10-06 09:30' format, but no way... > >Thanks for any comment... >Roberto > > > From roberto.bianconi at GMAIL.COM Mon Feb 28 13:07:56 2005 From: roberto.bianconi at GMAIL.COM (Roberto Bianconi) Date: Mon, 28 Feb 2005 22:07:56 +0100 Subject: Query with dates in In-Reply-To: <4223848E.4070703@dmsolutions.ca> Message-ID: Thanks, it works as you suggested, both with: CLASS # 1 SYMBOL "cross" EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and `[BEGIN]` < `2002-10-05T06:00:00`) COLOR 70 255 0 OUTLINECOLOR 0 0 0 END and: CLASS # 1 SYMBOL "cross" EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and `[BEGIN]` lt `2002-10-05T06:00:00`) COLOR 70 255 0 OUTLINECOLOR 0 0 0 END By the way, if the date is not in ISO format (http://wwp.greenwichmeantime.com/info/iso.htm), it does not work: CLASS # 1 SYMBOL "cross" EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and `[BEGIN]` lt `05-10-2002 06:00`) COLOR 70 255 0 OUTLINECOLOR 0 0 0 END Thanks a lot, Roberto On Mon, 28 Feb 2005 12:52:30 -0800, Yewondwossen Assefa wrote: > To be able to do "real" time comparison, you need to enclose the field > and the value between backtics (something like (`[time_field]` eq > `2004-10-12`) should work. I think most of the common operators (if not > all) should work with time values. > > Later, > > Roberto Bianconi wrote: > > >Hi, > > > >I have a shp file where data in the dbf associated are rows like this > >(field names in first row): > > > >CODE, BEGIN, END, VALUE > >A1, 2002-10-03T09:30:00, 2002-10-04T09:30:00, 60. > >A2, 2002-10-03T09:30:00, 2002-10-05T09:30:00, 60. > > > >Everything works if I just retrieve CODEs with: > > > >CLASS > > SYMBOL "cross" > > EXPRESSION ([VALUE] > 50. and [VALUE] <= 75.) > > COLOR 70 255 0 > > OUTLINECOLOR 0 0 0 > > END > > > >However, if I query on dates too, then nothing is retrieved: > > > >CLASS > > SYMBOL "cross" > > EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and [BEGIN] < > >'2002-10-06T18:00:00') > > COLOR 70 255 0 > > OUTLINECOLOR 0 0 0 > > END > > > >I've also tried the '2002-10-06 09:30' format, but no way... > > > >Thanks for any comment... > >Roberto > > > > > > > > From assefa at DMSOLUTIONS.CA Mon Feb 28 13:38:56 2005 From: assefa at DMSOLUTIONS.CA (Yewondwossen Assefa) Date: Mon, 28 Feb 2005 16:38:56 -0500 Subject: Query with dates in In-Reply-To: <29879c6d050228130731bc85c@mail.gmail.com> Message-ID: >By the way, if the date is not in ISO format >(http://wwp.greenwichmeantime.com/info/iso.htm), it does not work: > > CLASS > # 1 > SYMBOL "cross" > EXPRESSION ([VALUE] > 50. and [VALUE] <= 75. and `[BEGIN]` >lt `05-10-2002 06:00`) > COLOR 70 255 0 > OUTLINECOLOR 0 0 0 > END > > > Not all time patterns are no supported, you can see the patterns supported in this doc (Table 1 time patterns) : http://mapserver.gis.umn.edu/doc44/wms-time-support-howto.html From aquiney at REFRACTIONS.NET Mon Feb 28 13:34:59 2005 From: aquiney at REFRACTIONS.NET (Adam Quiney) Date: Mon, 28 Feb 2005 13:34:59 -0800 Subject: Mapserver and SLDs Message-ID: Hello all, I'm working on an application that (in part) dynamically generates SLDs, then publishes these SLDs through a Java servlet. I've enjoyed reasonable success so far, but have hit a glitch when trying to test against this specific server: (http://wms1.agr.gc.ca/cgi-bin/mapeco). Our application works by allowing the user to specify styling information, then publishing this information as an SLD document, through a Java Servlet. This technique has worked with all of the servers so far, though with your server, I seem to run into problems with the fact that I am using a Servlet to publish this information. I have checked to make sure that the servlet is reachable from the outside web, and that the SLD document being generated is indeed correctly formed and valid to the SLD 1.0.0 specification. In order to ensure that the error is not occuring due to a clash of layer stylings (or something else along those lines), I have changed the SLD generating servlet to simply return the same string everytime it is called - this string provides valid styling (in the form of a complete SLD document) for the "ecodistricts" layer made available by this server. When I attempt to pass the URL to this servlet in the query string to the server, the layer is not styled according to the SLD document. The full URL I am using is: http://wms1.agr.gc.ca/cgi-bin/ mapeco?VERSION=1.1.1&REQUEST=GetMap&LAYERS=ecodistricts&STYLES=&SLD=htt p://office.refractions.net:9999/imf-ows/ SLDGenerator&SRS=EPSG%3A4269&BBOX=-138.0,45.438244853737814,- 114.0,63.561755146262186&WIDTH=923&HEIGHT=697&FORMAT=image/ png&TRANSPARENT=TRUE&EXCEPTIONS=application/vnd.ogc.se_inimage& The interesting thing is, when I copy the output from my servlet, and paste and save it into a web-accessible file (with either the extension .sld or .xml), I can provide the URL to this file in my request (instead of the URL to the servlet), and the layer is returned, styled according to the SLD document. I have not encountered this problem in any other case. To see the layer being styled correctly, use this URL: http://wms1.agr.gc.ca/cgi-bin/ mapeco?VERSION=1.1.1&REQUEST=GetMap&LAYERS=ecodistricts&STYLES=&SLD=htt p://office.refractions.net/~aquiney/ popplace.xml&SRS=EPSG%3A4269&BBOX=-138.0,45.438244853737814,- 114.0,63.561755146262186&WIDTH=923&HEIGHT=697&FORMAT=image/ png&TRANSPARENT=TRUE&EXCEPTIONS=application/vnd.ogc.se_inimage& The xml file can be viewed here: http://office.refractions.net/~aquiney/popplace.xml You can view the output generated by the servlet here: http://office.refractions.net:9999/imf-ows/SLDGenerator Is it possible to somehow configure mapserver in a manner that would prevent the passing of an SLD document this way? Has anyone else ever encountered this problem? Thanks a lot, --Adam -- Adam Quiney Analyst Refractions Research Inc. From uli.mueller at GMX.CH Mon Feb 28 14:36:19 2005 From: uli.mueller at GMX.CH (uli mueller [geOps]) Date: Mon, 28 Feb 2005 23:36:19 +0100 Subject: WMS TIME conflict with FILTER Message-ID: Hi I finally got some nice WMS with time support running. Now I fell into the problem that any time filter seems to override everything in the PostGIS layer's FILTER setting. I had read most of http://mapserver.gis.umn.edu/bugs/show_bug.cgi?id=872 so I understand that WMS time support is done (mis)using the FILTER parameter. However it would be preferrable if any existing FILTER could persist. Why not combine an existing filter and a WMS time filter through SQL-AND? Uli -- geOps GeoInformatics D-79100 Freiburg From Tom.Kralidis at EC.GC.CA Mon Feb 28 15:06:27 2005 From: Tom.Kralidis at EC.GC.CA (Kralidis,Tom [Burlington]) Date: Mon, 28 Feb 2005 18:06:27 -0500 Subject: Mapserver and SLDs Message-ID: Hi, Maybe it's a port thing? i.e. the mapeco WMS has to connection to port 9999 for the SLD. Some orgs have these locked down. You may want to check with the contact for this WMS. ..Tom ========================= Tom Kralidis Senior Systems Scientist Environment Canada Tel: +01-905-336-4409 http://www.ec.gc.ca/ > -----Original Message----- > From: UMN MapServer Users List > [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of Adam Quiney > Sent: Monday, 28 February, 2005 16:35 > To: MAPSERVER-USERS at LISTS.UMN.EDU > Subject: [UMN_MAPSERVER-USERS] Mapserver and SLDs > > > Hello all, > > I'm working on an application that (in part) dynamically > generates SLDs, then publishes these SLDs through a Java > servlet. I've enjoyed reasonable success so far, but have > hit a glitch when trying to test against this specific > server: (http://wms1.agr.gc.ca/cgi-bin/mapeco). > > Our application works by allowing the user to specify styling > information, then publishing this information as an SLD > document, through a Java Servlet. This technique has worked > with all of the servers so far, though with your server, I > seem to run into problems > with the fact that I am using a Servlet to publish this > information. I > have checked to make sure that the servlet is reachable from > the outside web, and that the SLD document being generated is > indeed correctly formed and valid to the SLD 1.0.0 > specification. In order to ensure that the error is not > occuring due to a clash of layer stylings (or something else > along those lines), I have changed the SLD generating servlet > to simply return the same string everytime it is called - > this string provides valid styling (in the form of a > complete SLD document) for the "ecodistricts" layer made > available by this server. When I attempt to pass the URL to > this servlet in the query string to the server, the layer is > not styled according to the SLD document. The full URL I am > using is: > > http://wms1.agr.gc.ca/cgi-bin/ > mapeco?VERSION=1.1.1&REQUEST=GetMap&LAYERS=ecodistricts&STYLES > =&SLD=htt > p://office.refractions.net:9999/imf-ows/ > SLDGenerator&SRS=EPSG%3A4269&BBOX=-138.0,45.438244853737814,- > 114.0,63.561755146262186&WIDTH=923&HEIGHT=697&FORMAT=image/ > png&TRANSPARENT=TRUE&EXCEPTIONS=application/vnd.ogc.se_inimage& > > The interesting thing is, when I copy the output from my > servlet, and paste and save it into a web-accessible file > (with either the extension .sld or .xml), I can provide the > URL to this file in my request (instead of the URL to the > servlet), and the layer is returned, styled according to the > SLD document. I have not encountered this problem in any > other case. To see the layer being styled correctly, use this URL: > > http://wms1.agr.gc.ca/cgi-bin/ > mapeco?VERSION=1.1.1&REQUEST=GetMap&LAYERS=ecodistricts&STYLES > =&SLD=htt > p://office.refractions.net/~aquiney/ > popplace.xml&SRS=EPSG%3A4269&BBOX=-138.0,45.438244853737814,- > 114.0,63.561755146262186&WIDTH=923&HEIGHT=697&FORMAT=image/ > png&TRANSPARENT=TRUE&EXCEPTIONS=application/vnd.ogc.se_inimage& > > The xml file can be viewed here: > > http://office.refractions.net/~aquiney/popplace.xml > > You can view the output generated by the servlet here: > > http://office.refractions.net:9999/imf-ows/SLDGenerator > > > Is it possible to somehow configure mapserver in a manner > that would prevent the passing of an SLD document this way? > Has anyone else ever encountered this problem? > > Thanks a lot, > > --Adam > > -- > > Adam Quiney > Analyst > Refractions Research Inc. > From wouter.schaubroeck at GMAIL.COM Mon Feb 28 15:57:08 2005 From: wouter.schaubroeck at GMAIL.COM (Wouter Schaubroeck) Date: Tue, 1 Mar 2005 00:57:08 +0100 Subject: OT: Why isn't PHP in Interactive Web Mapping Message-ID: Hi all, I know, it's a bit off topic, but i thought it would be an interesting discussion: Nowadays, for Interactive web mapping, ASP, Coldfusion and Java Servlets are common used as CGI replacement, but why is PHP not? I don't have to convince you all about the powers of php... Is there a reason why php is left behind? Is it perhaps it's open source and it depends on the goodwill of volunteers? Or is Microsoft using its powers? Or Macromedia (Coldfusion)? grtz Wouter Schaubroeck Student at the Ghent University From bpicinbono at WORLDONLINE.FR Mon Feb 28 12:42:13 2005 From: bpicinbono at WORLDONLINE.FR (blaise) Date: Mon, 28 Feb 2005 21:42:13 +0100 Subject: Good GIS/Map Portal site? In-Reply-To: Message-ID: hum, same old story with java virtual machines... ? works with mozilla 1.7.2 with Java(TM) Plug-in 1.5.0_01-b08 on linux box blaise > Hmmm. It worked in IE. I then tried Firefox and it didn't crash, but > thought I need to install a JRE to display the map. What are you running? > --Rick > > > http://www2.dmsolutions.on.ca/gmap/gmap75.phtml > > This link crashes my browser :/ From numerous at GMAIL.COM Mon Feb 28 17:03:42 2005 From: numerous at GMAIL.COM (Yar Doroshenko) Date: Mon, 28 Feb 2005 19:03:42 -0600 Subject: dealing with a large number of layers Message-ID: Hi Guys, I need a piece of advice: I have around 60 shapefiles with Oklahoma county roads (1 shapefile per county). What is the most efficient way to load them in Mapserver? I obviously don't want to define 60 layers. Should I maybe put them into MySQL and load only several shapefiles at a time depending on my XY coordinates and zoom level? If yes, what is the best practice of passing arguments to the mapserver? Would anyone have an example that I could look at? Feel free to e-mail me directly. Thank you very much!!! Yar From woodbri at SWOODBRIDGE.COM Mon Feb 28 17:15:37 2005 From: woodbri at SWOODBRIDGE.COM (Stephen Woodbridge) Date: Mon, 28 Feb 2005 20:15:37 -0500 Subject: dealing with a large number of layers In-Reply-To: Message-ID: Yar, This was just explained over the last few days in the discussion on how to use TILEINDEXs for shapefiles. Please check the archive for the last few days. -Steve Yar Doroshenko wrote: > Hi Guys, > > I need a piece of advice: > > I have around 60 shapefiles with Oklahoma county roads (1 shapefile per > county). What is the most efficient way to load them in Mapserver? I > obviously don't want to define 60 layers. Should I maybe put them into > MySQL and load only several shapefiles at a time depending on my XY > coordinates and zoom level? If yes, what is the best practice of passing > arguments to the mapserver? Would anyone have an example that I could look > at? > > Feel free to e-mail me directly. > > Thank you very much!!! > > > Yar > From hermawan_s at HOTMAIL.COM Mon Feb 28 17:31:26 2005 From: hermawan_s at HOTMAIL.COM (Hermawan Sutantio) Date: Tue, 1 Mar 2005 01:31:26 +0000 Subject: Tiger Line Data In-Reply-To: <42228CCB.1040001@swoodbridge.com> Message-ID: Hi all. I might need some more help. Based on the recommendation that Stephen gave, I tried to compile 2 counties in michigan using the commands recommended. Below is the michigan.map file that i generated. Please help me review them whether anything is wrong. Thanks. FONTSET "C:\MS4W\apps\maplab-2.2\tutorial\etc\fonts.list" # # Start of map file # NAME Michigan STATUS ON SIZE 500 500 UNITS DD EXTENT -84.133748 42.072069 -83.539394 42.4345936 SHAPEPATH "C:\cygwin\hcslmap\data\tiger" IMAGECOLOR 255 255 255 # # Start of web interface definition # WEB # # On Windows systems, /tmp and /tmp/ms_tmp/ should be created at the root # of the drive where the .MAP file resides. # IMAGEPATH "C/ms4w/tmp/ms_tmp/" IMAGEURL "/ms_tmp/" # LOG "/tmp/gmap.log" TEMPLATE demo.html METADATA "TITLE" "Michigan Test Demo" END END # # Start of legend # LEGEND KEYSIZE 18 12 LABEL TYPE BITMAP SIZE MEDIUM COLOR 0 0 89 END STATUS OFF END # # Start of scalebar # SCALEBAR IMAGECOLOR 255 255 255 LABEL COLOR 0 0 0 SIZE SMALL END SIZE 150 4 COLOR 255 255 255 BACKGROUNDCOLOR 0 0 0 OUTLINECOLOR 0 0 0 UNITS miles INTERVALS 3 STATUS ON END # # Querymap settings # # Style is one of NORMAL, HILITE, or SELECTED # QUERYMAP STYLE HILITE COLOR 255 0 0 END # # Start of layer definitions # LAYER NAME Street_Map TYPE LINE STATUS ON TILEINDEX "C:\cygwin\hcslmap\data\tiger\mich-tile.shp" CLASS NAME "Street_Map" END END # Layer END #map Herman Teo wrote: >Hi Stephen, > >Thanks for the tip. I'm now scouring through the previous list >messages for 'tile' commands. There is not much of that going on. Is >there a sample code where I might be able to learn how I should >proceed with shape tiling and a sniff of a LAYER...END code in the >map file. Also, is any of these tiger line on sale somewhere so that >I might not have to download 300k files as you said. Thanks a lot. Herman, There are two different tiling commands: 1) tile4ms which is distributed as part of the mapserver source and is documented on the mapserver utilities page of the website. It is used to tiling shapefiles. The easiest way to use it is to putt all the data you want to tile in a directory tree located in your SHAPEPATH directory. Then on Linux do something like: find data_dir -name "*.shp" > data_dir.in tile4ms data_dir.in data-tile shptree data-tile cat data_dir.in | xargs -n 1 shptree Then in your mapfile do something like: LAYER NAME "my tile data" TYPE whatever TILEINDEX data-tile ... CLASS ... END END One of the caveats of this is that all the shapefiles in the index MUST have the SAME attributes and order of attributes and they must be all the same type. 2) For tiling images you should use gdaltindex which is distributed as part of the gdal libraries and tools. The concept is similar to the above and I documented it on the wiki at http://mapserver.gis.umn.edu/cgi-bin/wiki.pl?RasterHOWTO in the Bathymetry and Topography HowTo link and others have added a lot more info there. From rati at POST.COM Mon Feb 28 18:17:41 2005 From: rati at POST.COM (David Ratcliffe) Date: Mon, 28 Feb 2005 20:17:41 -0600 Subject: Problem with Mapserver 4.4.1 compiled with Visual Studio .NET Message-ID: This post is more of a report than a question, as I seem to have solved the problem. I?ve recently been trying to get Mapserver version 4 .4.1 up and running with Tomcat 5. I started off by using the latest versions of the Win32 binaries as linked from the Mapserver website. On nearly every occasion (once a query string was passed), mapserv.exe terminated with the error: The instruction at '0x77f88216' referenced memory at '0x00000010'. The memory could not be "written". I then tried compiling the version 4.4.1 source using Visual Studio .NET. I encountered exactly the same problem. Debugging mapserv.exe usually brought me to a call to 'rewind' in the function 'int msAddImageSymbol(symbolSetObj *symbolset, char *filename)', defined within mapsymbol.c on line 488 (of version 4.4.1 of the source). However, surely the problem can?t be there... I can?t see a problem with the code at that location. I believe it is more likely that there is a problem with Visual Studio .NET 2003, because when I tried again, compiling everything with Visual Studio (NOT the .NET version), everything worked first time without any problems. Have the Win32 binaries linked from the Mapserver website been compiled using Visual Studio .NET? They?re simply not working on my system. Here?s my setup: OS: Windows XP Professional with SP2 Web Server: Apache Tomcat/5.0.28 Mapserver Version: 4.4.1 (Source with only the required libs) DE: Microsoft Visual Studio 6 (previously Microsoft Visual Studio .NET 2003) -David From rati at POST.COM Mon Feb 28 18:22:05 2005 From: rati at POST.COM (David Ratcliffe) Date: Mon, 28 Feb 2005 20:22:05 -0600 Subject: Itasca 3.5 Demo Error on Mapserver 4.4.1 Message-ID: Thank you Ken, using the binaries from the site you suggested did the trick. Mapserver is now working on my system. However, I might have found a reason as to why we were getting that error. I refer you to my latest post (Tues 1 March EST), "Problem with Mapserver 4.4.1 compiled with Visual Studio .NET" Basically, I think the source (for 4.4.1 at least) doesn't like to be compiled using Visual Studio .NET. I tried using Visual Studio 6 (NOT .NET) and it all worked. Since we got the same errors from the binaries from the Mapserver website, I think they might have been compiled using Visual Studio .NET as well. I hope this information saves others from having to deal with this problem... -David From miller_joseph at BAH.COM Mon Feb 28 19:41:40 2005 From: miller_joseph at BAH.COM (Miller Joseph) Date: Mon, 28 Feb 2005 22:41:40 -0500 Subject: Java MapScript issues Servlet Message-ID: To All, Umberto and Mario are correct about the problems I've had. They are definitely related to the lack of thread safety in my mapscript.dll that I built using MS Visual C tools. Can anyone tell me why I don't have the option to turn on thread safety in nmake.opt (unlike in *Nix flavors of the build option files)? Was it an oversight, future feature or excluded because it is included by default whenever mapserver is built in Windows and there is no need to turn it off? Thanks, Joe Miller ________________________________ From: UMN MapServer Users List on behalf of Umberto Nicoletti Sent: Mon 2/28/2005 10:31 AM To: MAPSERVER-USERS at LISTS.UMN.EDU Subject: Re: [UMN_MAPSERVER-USERS] Java MapScript issues Servlet Quoting "Mario H. Basa" : > Hi. > > >From my experience, Java Mapscript still has some > problems with threads, and can still easily bring down > Tomcat even with the thread compile option is set. > Please correct me if I am wrong. > Yes, that is probably correct, although it is not *that easy*. I have also stressed mapscript with jmeter and actually not found errors, but I did not cover querying. That is why I voted for improved thread safety when the devs showed their wishlists. > What I did was I synchronized the class that does the > map processing, and now my test app can survive > benchmarking with JMeter. Here are my results as > compared with a simillar PHP CGI program: > This is definitely a correct workaround. > 4 threads (requests) per second, repeated 25 times > > PHP Mapscript 1.8 to 1.9 pages per second > Java Mapscript 2.3 to 2.5 pages per second > > I was honestly surprised with the result and it is > encouraging me to work with Java Mapscript even in a > synchronized mode. > Were you using apache 1.3 or 2.x in the php tests? Apache 1.3 uses a fork based model, that while being extremely safe and sound is not as fast as a threaded model. Apache 2.x has threads and should be faster. Regards, Umberto > mario > yokohama,japan > > > --- Joseph Miller wrote: > > > Umberto, > > > > 1)I don't think I compiled specifically with > > multi-threading because it > > wasn't an option listed in the nmake.opt for > > Microsoft Visual C++ options > > file??? The last I heard multithreading was not > > even on the horizon for > > mapserver and yet I see it in the Unix build options > > file? What do I need > > to do this? > > > > 2)I tried both options you mentioned, I had the > > problem when passed the > > same mapObj from request to request and stored it in > > the session and when I > > set it to null after every request and instantiated > > it and assigned > > attributes based on other variables stored in the > > requests and sessions? > > I'm assuming the latter is preferred? > > > > Thanks, > > Joe Miller > > > > On Mon, 28 Feb 2005 09:44:21 +0100, Umberto > > Nicoletti > > wrote: > > > > >Did you enable threads support? > > >Java, and especially servlets, are definitely > > highly concurrent > > >environment, so you have to enable thread support > > when compiling > > >mapserver and mapscript. One very problematic spot > > with regards to > > >threads is in fact the parser of .map files. > > > > > >Do you attempt to reuse the same mapObj across > > multiple requests or just > > >create one and dispose as soon as you are done > > within a single request? > > > > > >HTH, > > >Umberto > > > > > > > > >On Mon, 2005-02-28 at 00:53 -0500, Miller Joseph > > wrote: > > >> Hi, > > >> I'm having a baffling problem with a nightly > > build of Java Mapscript > > >> from about a month ago that I am running on > > Windows 2000 with Tomcat > > >> 5.5.4. > > >> > > >> The symptom I see is that I can generate the > > default image but after the > > >> fourth or fifth time that I pass a new envelope > > to change the extent of > > >> the image I get the following error: > > >> > > >> The relevant part of the stack trace: > > >> java.lang.UnknownError: Failed to draw layer > > named 'world'. > > >> at > > > edu.umn.gis.mapscript.mapscriptJNI.mapObj_draw(Native > > Method) > > >> at > > edu.umn.gis.mapscript.mapObj.draw(mapObj.java:397) > > >> > > >> Occasionally I'll get a flex scanner error or > > tomcat will crash with an > > >> Exception_Access_Violation memmove error similar > > to the one referred to > > >> here: > > >> > > > http://forum.java.sun.com/thread.jspa?forumID=52&messageID=1124599&threa > > >> dID=286832 > > >> > > >> All of this happens whether I instatiate new > > instances of the mapObj and > > >> set everything to null or if I use the same > > mapObj throughout and only > > >> after a few passes, suggesting to me that there > > is a memory issue > > >> somewhere. I can pass on some specific code, but > > all I am really doing > > >> is creating new envelopes to store extents and > > then assigning them to > > >> the mapObj or extracting the corner coordinates > > and setting the extent > > >> with them. > > >> > > >> I've been fighting this for a frustrating week > > now. Does anyone have > > >> any advice? > > >> > > >> Thanks, > > >> Joe Miller > > >-- > > >Umberto Nicoletti > > At that point it > > will > > >+390415701366 unicoletti at prometeo.it > > compile, but segfault, as > > it should.. > > >Prometeo S.R.L. The Software Experience > > > > Umberto, > > > > 1)I don't think I compiled specifically with > > multi-threading because it > > wasn't an option listed in the nmake.opt for > > Microsoft Visual C++ options > > file??? The last I heard multithreading was not > > even on the horizon for > > mapserver and yet I see it in the Unix build options > > file? What do I need > > to do this? > > > > 2)I tried both options you mentioned, I had the > > problem when passed the > > same mapObj from request to request and stored it in > > the session and when I > > set it to null after every request and instantiated > > it and assigned > > attributes based on other variables stored in the > > requests and sessions? > > I'm assuming the latter is preferred? > > > > Thanks, > > Joe Miller > > > > > > > __________________________________ > Do you Yahoo!? > Yahoo! Sports - Sign up for Fantasy Baseball. > http://baseball.fantasysports.yahoo.com/ > -------------- next part -------------- An HTML attachment was scrubbed... URL: From nuryadin at GMAIL.COM Mon Feb 28 19:43:29 2005 From: nuryadin at GMAIL.COM (Ruslan Nuryadin) Date: Tue, 1 Mar 2005 10:43:29 +0700 Subject: Setting up GMAP for MS4W In-Reply-To: Message-ID: Lahn Pra wrote: --cut-- > I made the changes and restarted the apache server. It doesn't work. In > addition.. when I do try to access the Gmap link, I get the following > error.. > --- > Warning: dl(): Unable to load dynamic > library '/ms4w/Apache/php/extensions/php_mapscript_36.dll' - The specified > module could not be found. in C:\ms4w\apps\gmap\htdocs\gmap75.phtml on line > 50 > > Fatal error: Call to undefined function: ms_getversion() in > C:\ms4w\apps\gmap\htdocs\gmap75.php3 on line 51 > ---- Latest MS4W distribution (v1.0.3, probably the one you have), uses PHP/Mapscript version 4.2.x or 4.4.x. You have to modify this line on ms4w/apps/gmap/htdocs/gmap75.phtml to correctly load PHP/Mapscript extension: if (!extension_loaded("MapScript")) { if (phpversion() < 4) dl("php3_mapscript.dll"); // PHP3 else dl("php_mapscript_36.dll"); // --> old text } becomes: if (!extension_loaded("MapScript")) { if (phpversion() < 4) dl("php3_mapscript.dll"); // PHP3 else dl("php_mapscript_44.dll"); // --> new text } Make sure you have this file: ms4w/Apache/php/extensions/php_mapscript_44.dll -- ruslan nuryadin nuryadin at gmail.com -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 266.5.1 - Release Date: 27/02/2005 From woodbri at SWOODBRIDGE.COM Mon Feb 28 20:28:34 2005 From: woodbri at SWOODBRIDGE.COM (Stephen Woodbridge) Date: Mon, 28 Feb 2005 23:28:34 -0500 Subject: Tiger Line Data In-Reply-To: Message-ID: Hermawan, See comments below Hermawan Sutantio wrote: > Hi all. > I might need some more help. > Based on the recommendation that Stephen gave, I tried to compile 2 > counties > in michigan using the commands recommended. Below is the michigan.map file > that i generated. Please help me review them whether anything is wrong. > Thanks. > You need to start your mapfile with: MAP > FONTSET "C:\MS4W\apps\maplab-2.2\tutorial\etc\fonts.list" > # > # Start of map file > # > NAME Michigan > STATUS ON > SIZE 500 500 > UNITS DD > EXTENT -84.133748 42.072069 -83.539394 42.4345936 > SHAPEPATH "C:\cygwin\hcslmap\data\tiger" > IMAGECOLOR 255 255 255 > > > # > # Start of web interface definition > # > WEB > # > # On Windows systems, /tmp and /tmp/ms_tmp/ should be created at the root > # of the drive where the .MAP file resides. > # > IMAGEPATH "C/ms4w/tmp/ms_tmp/" Are you missing a ":" as in "C:" > IMAGEURL "/ms_tmp/" > # LOG "/tmp/gmap.log" > > TEMPLATE demo.html > METADATA > "TITLE" "Michigan Test Demo" > END > END > > > # > # Start of legend > # > LEGEND > KEYSIZE 18 12 > LABEL > TYPE BITMAP > SIZE MEDIUM > COLOR 0 0 89 > END > STATUS OFF > END > > # > # Start of scalebar > # > SCALEBAR > IMAGECOLOR 255 255 255 > LABEL > COLOR 0 0 0 > SIZE SMALL > END > SIZE 150 4 > COLOR 255 255 255 > BACKGROUNDCOLOR 0 0 0 > OUTLINECOLOR 0 0 0 > UNITS miles > INTERVALS 3 > STATUS ON > END > > # > # Querymap settings > # > # Style is one of NORMAL, HILITE, or SELECTED > # > > QUERYMAP > STYLE HILITE > COLOR 255 0 0 > END > > # > # Start of layer definitions > # > > LAYER > NAME Street_Map > TYPE LINE > STATUS ON STATUS ON says that you can display the layer, but not that it WILL be desplayed. Until you understand this, I would use STATUS DEFAULT > TILEINDEX "C:\cygwin\hcslmap\data\tiger\mich-tile.shp" > CLASS > NAME "Street_Map" You probably need to specify the color and style of the line. Try COLOR 0 0 0 # black SIZE 1 # one pixel width > END > END # Layer > > END #map > > > > Herman Teo wrote: > >> Hi Stephen, >> >> Thanks for the tip. I'm now scouring through the previous list >> messages for 'tile' commands. There is not much of that going on. Is >> there a sample code where I might be able to learn how I should >> proceed with shape tiling and a sniff of a LAYER...END code in the >> map file. Also, is any of these tiger line on sale somewhere so that >> I might not have to download 300k files as you said. Thanks a lot. > > > Herman, > > There are two different tiling commands: > > 1) tile4ms which is distributed as part of the mapserver source and is > documented on the mapserver utilities page of the website. It is used to > tiling shapefiles. The easiest way to use it is to putt all the data you > want to tile in a directory tree located in your SHAPEPATH directory. > Then on Linux do something like: > > find data_dir -name "*.shp" > data_dir.in > tile4ms data_dir.in data-tile > shptree data-tile > cat data_dir.in | xargs -n 1 shptree > > Then in your mapfile do something like: > > LAYER > NAME "my tile data" > TYPE whatever > TILEINDEX data-tile > ... > CLASS > ... > END > END > > One of the caveats of this is that all the shapefiles in the index MUST > have the SAME attributes and order of attributes and they must be all > the same type. > > 2) For tiling images you should use gdaltindex which is distributed as > part of the gdal libraries and tools. The concept is similar to the > above and I documented it on the wiki at > http://mapserver.gis.umn.edu/cgi-bin/wiki.pl?RasterHOWTO > in the Bathymetry and Topography HowTo link and others have added a lot > more info there. > From hermawan_s at HOTMAIL.COM Mon Feb 28 20:46:57 2005 From: hermawan_s at HOTMAIL.COM (Hermawan Sutantio) Date: Tue, 1 Mar 2005 04:46:57 +0000 Subject: Tiger Line Data In-Reply-To: <4223EF72.7060906@swoodbridge.com> Message-ID: Thanks,for your help. It helps in an instant. I'm trying to display feature labels of the roads. LAYER NAME "Michigan Labels" TYPE ANNOTATION STATUS DEFAULT TILEINDEX "C:\ms4w\apps\gmap\htdocs\michigan\mich-tile" LABELMAXSCALE 100000 CLASS Name "Michigan Labels" LABEL TYPE TRUETYPE FONT "arial" SIZE 10 ANGLE AUTO POSITION uc END END # Class END Does this layer...end code make any sense? Thanks again. Herman Hermawan, See comments below Hermawan Sutantio wrote: >Hi all. >I might need some more help. >Based on the recommendation that Stephen gave, I tried to compile 2 >counties >in michigan using the commands recommended. Below is the michigan.map file >that i generated. Please help me review them whether anything is wrong. >Thanks. > You need to start your mapfile with: MAP >FONTSET "C:\MS4W\apps\maplab-2.2\tutorial\etc\fonts.list" ># ># Start of map file ># >NAME Michigan >STATUS ON >SIZE 500 500 >UNITS DD >EXTENT -84.133748 42.072069 -83.539394 42.4345936 >SHAPEPATH "C:\cygwin\hcslmap\data\tiger" >IMAGECOLOR 255 255 255 > > ># ># Start of web interface definition ># >WEB ># ># On Windows systems, /tmp and /tmp/ms_tmp/ should be created at the root ># of the drive where the .MAP file resides. ># > IMAGEPATH "C/ms4w/tmp/ms_tmp/" Are you missing a ":" as in "C:" > IMAGEURL "/ms_tmp/" ># LOG "/tmp/gmap.log" > > TEMPLATE demo.html > METADATA > "TITLE" "Michigan Test Demo" > END >END > > ># ># Start of legend ># >LEGEND > KEYSIZE 18 12 > LABEL > TYPE BITMAP > SIZE MEDIUM > COLOR 0 0 89 > END > STATUS OFF >END > ># ># Start of scalebar ># >SCALEBAR > IMAGECOLOR 255 255 255 > LABEL > COLOR 0 0 0 > SIZE SMALL > END > SIZE 150 4 > COLOR 255 255 255 > BACKGROUNDCOLOR 0 0 0 > OUTLINECOLOR 0 0 0 > UNITS miles > INTERVALS 3 > STATUS ON >END > ># ># Querymap settings ># ># Style is one of NORMAL, HILITE, or SELECTED ># > >QUERYMAP > STYLE HILITE > COLOR 255 0 0 >END > ># ># Start of layer definitions ># > >LAYER > NAME Street_Map > TYPE LINE > STATUS ON STATUS ON says that you can display the layer, but not that it WILL be desplayed. Until you understand this, I would use STATUS DEFAULT > TILEINDEX "C:\cygwin\hcslmap\data\tiger\mich-tile.shp" > CLASS > NAME "Street_Map" You probably need to specify the color and style of the line. Try COLOR 0 0 0 # black SIZE 1 # one pixel width > END >END # Layer > >END #map > > > >Herman Teo wrote: > >>Hi Stephen, >> >>Thanks for the tip. I'm now scouring through the previous list >>messages for 'tile' commands. There is not much of that going on. Is >>there a sample code where I might be able to learn how I should >>proceed with shape tiling and a sniff of a LAYER...END code in the >>map file. Also, is any of these tiger line on sale somewhere so that >>I might not have to download 300k files as you said. Thanks a lot. > > >Herman, > >There are two different tiling commands: > >1) tile4ms which is distributed as part of the mapserver source and is >documented on the mapserver utilities page of the website. It is used to >tiling shapefiles. The easiest way to use it is to putt all the data you >want to tile in a directory tree located in your SHAPEPATH directory. >Then on Linux do something like: > >find data_dir -name "*.shp" > data_dir.in >tile4ms data_dir.in data-tile >shptree data-tile >cat data_dir.in | xargs -n 1 shptree > >Then in your mapfile do something like: > >LAYER > NAME "my tile data" > TYPE whatever > TILEINDEX data-tile > ... > CLASS > ... > END >END > >One of the caveats of this is that all the shapefiles in the index MUST >have the SAME attributes and order of attributes and they must be all >the same type. > >2) For tiling images you should use gdaltindex which is distributed as >part of the gdal libraries and tools. The concept is similar to the >above and I documented it on the wiki at >http://mapserver.gis.umn.edu/cgi-bin/wiki.pl?RasterHOWTO >in the Bathymetry and Topography HowTo link and others have added a lot >more info there. >

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