Layers don't show up
Brent Fraser
bfraser at GEOANALYTIC.COM
Wed Feb 16 11:48:10 EST 2005
Wokar,
Looking at the html source of your Mapserver web page, it looks like MapServer is not filling in the values in the template. Have a look at the Workshop (demo) example available from
http://maps.dnr.state.mn.us/mapserver_demos/workshop.zip
especially the index.html file.
Brent
----- Original Message -----
From: w m
To: Brent Fraser ; MAPSERVER-USERS at LISTS.UMN.EDU
Sent: Tuesday, February 15, 2005 5:17 PM
Subject: Re: [UMN_MAPSERVER-USERS] Layers don't show up
Thank You Brent,
I did change the SHAPEPATH
Also, Instead of using those particular files, I replaced it with many different shapefiles....it still didn't show up. Only the map shows up and the layers don't. Even the legend doesn't show up. No clue why?
Brent Fraser <bfraser at GEOANALYTIC.COM> wrote:
Wokar,
Two problems:
1. A file ending in .e00 is not a shapefile, it's an ESRI export format. I don't think Mapserver will read those. Search the MapServer email archive on how to convert e00 files to shapefiles.
2. You need to set your SHAPEPATH to have a leading "/" to indicate it's an absolute path:
SHAPEPATH "/var/www/temp"
Brent Fraser
----- Original Message -----
From: w m
To: MAPSERVER-USERS at LISTS.UMN.EDU
Sent: Tuesday, February 15, 2005 12:06 PM
Subject: [UMN_MAPSERVER-USERS] Layers don't show up
Hi,
I have made a map file. My layers are still not showing up?? I have changed my SHAPEPATH, i also tried to put my data in different folders but it still didn't work. I have named my CLASSES and they still are not showing up on the le gend.
http://132.205.108.60
If I try to access my map by writing http://132.205.108.60/cgi-bin/mapserv?map=/var/www/cgi-bin/ogr.map&mode=map&layer=mylandcover
it gives me the following errors:
msDrawMap(): Image handling error. Failed to draw layer named 'mylandcover'.
msSHPOpenFile(): Unable to access file. (/var/www/cgi-bin/nhtm93s3)
msSHPOpenFile(): Unable to access file. (/var/www/cgi-bin/nhtm93s3)
When I try this :http://132.205.108.60/cgi-bin/mapserv?map=ogr.map&mode=map&layer=myroads
msDrawMap(): Image handling error. Failed to draw layer named 'myroads'.
msSHPOpenFile(): Unable to access file. (/var/www/cgi-bin/rtf100k)
msSHPOpenFile(): Unable to access file. (/var/www/cgi-bin/rtf100k)
The rtf100k and the other file both have an e00 extension. Is there a way to check if these files are corrupted?? They open up in otepad though. I'm working in linux
I tried putting all my data to var/www/temp but when i change my shapepath to this then int the above errors it says :
/var/www/cgi-bin/var/www/temp/rtf100k
why is that?why does it goes automatically to cgi-bin and then to var/www/temp/rtf100k.
Thank You all for your help. It is greatly appreciated.
Wokar
NAME europe # set the map name to anything you like
# Set the extent to match YOUR shapefile(s)
# coordinates are Westernmost Southermost Easternmost Northernmost
# STATUS ON
IMAGETYPE PNG
#IMAGECOLOR 255 255 255 # white background
#IMAGECOLOR 25 12 60 # blue navy
IMAGECOLOR 255 200 255 #pinkish purple
EXTENT 407.997812 4103475.750 443135.000 4157027.250
# here is an example for Lat/Lon.
#EXTENT -97.5 41.619778 -82.122902 49.38562
# can leave the font-set alone
#FONTSET "/usr/local/etc/htdocs/mapserver/fonts/fonts.list"
# set the size of the Image to be displayed
SIZE 500 500
# Set the SHAPEPATH to point where you have stored your shapefiles
# substitute your user ID for YOUR_ID below.
# SHAPEPATH "/home/evsc468/public_html/YOUR_ID/"
# or point to shapefiles in some other directory
SHAPEPATH ""
# you will need to customize the layer definitions for YOUR layers
# remember that the SHAPEFILES for the LAYERs should be stored in the
# directory pointed to by SHAPEPATH above.
# Set your template file to the name of YOUR template file
# you can leave the image path and image URL alone
WEB
TEMPLATE "html/index.html"
IMAGEPATH "var/www/temp"
IMAGEURL "temp"
END
LEGEND
KEYSIZE 12 12
#STATUS ON
LABEL
TYPE BITMAP
#TYPE TRUETYPE
#FONT arial
COLOR 0 0 0
SIZE MEDIUM #10
#ANTIALIAS TRUE
END
STATUS ON
END
# LAYER DEFINITIONS -----------------------------------------
LAYER
NAME "myoutline"
DATA europa
STATUS DEFAULT # Show the layer at all times
TYPE POLYGON # polygon makes it clored on the inside. if TYPE
#line was chosen, the colour inide and outsde would be the same
#TYPE LINE # choices for type are POLYGON, LINE and POINT
CLASS
COLOR 255 220 60 # use black lines...yellow color 255 220 60
OUTLINECOLOR 255 120 60 # numbers represent brightness of Red, Green and B
# outisde line colour is orange-255 120 60
END
END
LAYER
NAME "credits"
STATUS DEFAULT
TRANSFORM FALSE
TYPE ANNOTATION
FEATURE
POINTS
50 480 # changes the location of the text
END
TEXT 'Europe Map'
END
CLASS
LABEL
TYPE BITMAP
POSITION CR
COLOR 255 120 60
END
END
END
LAYER #
NAME "mylandcover"
DATA nhtm93s3
STATUS ON # show layer, but allow it to be turned off
TYPE POLYGON # choices for type are POLYGON, LINE and POINT
CLASSITEM "LANDCOVER"
CLASS # water
NAME "Water"
EXPRESSION 'Water' # match only those where [landcover]='Water'
COLOR 225 225 255
OUTLINECOLOR 0 0 0
END
CLASS # grassland
NAME "Grassland"
EXPRESSION /Planted*/ # search for landcovers starting with Planted
COLOR 0 240 0
OUTLINECOLOR 0 0 0
END
CLASS # forest
NAME "Forest"
EXPRESSION /Forest*/
COLOR 200 140 0
OUTLINECOLOR 0 0 0
END
# CLASS # salt marsh
# NAME Salt Marsh
# EXPRESSION /Salt*/
# COLOR 0 200 140
# OUTLINECOLOR 0 0 0
# END
CLASS # sand
NAME "Sand"
EXPRESSION /Bare*/
COLOR 240 240 240
OUTLINECOLOR 0 0 0
END
END # end of layer object
LAYER
NAME "myroads"
DATA ROADSEG
#DATA rtf100k
STATUS ON
TYPE line
CLASS
NAME Roads
COLOR 200 0 200
OUTLINECOLOR 0 0 0
END # end of class
END # end of layer object
END # end of map file
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