[mapserver-users] New to Mapserver

Stephen Woodbridge woodbri at swoodbridge.com
Mon Feb 11 10:10:26 PST 2002 

Sathis,

The EXTENT in the map file is wrong. The census data is in Decimal
Degrees so it should look like

EXTENT -180.0 -90.0 180.0 90.0

which will cover the whole globe, you can set these numbers smaller
based on the real extents of you shapefile.

-Steve W.

Sathiskumar Govindasamy wrote:
> 
> Steve, Thanks for your help. I have downloaded shapefiles from
> http://www.census.gov/geo/www/cob/st2000.html which are state boundary
> shape files. I tried to tweek the demo to work with that data. But I
> don't see anything on the maparea. The shape files are like st01_d00.xxx
> . There are three files per state. The following are my files.
> 
> demo_init.html
> 
> > Sathis,<html>
> > <head><title>MapServer Demo Interface</title></head>
> > <body bgcolor="#FFFFFF">
> >
> > <center><h2>MapServer Demo Interface</h2></center>
> > <p><hr><p>
> > Click on the initialize button to fire up the demo with 3 layers
> > turned on will be accessible for browsing. The
> > data are of Itasca County, MN and were derived, for the most part,
> > from USGS 1:24,000 quadrangles. Some things to note are:
> >
> > <form method=GET action="/cgi-bin/mapserv">
> >
> > <input type="hidden" name="map" value="/var/www/html/tigertest/demo.map">
> > <input type="hidden" name="layer" value="Polygon">
> > <input type="hidden" name="zoomsize" value=2>
> >
> > <input type="hidden" name="program" value="/cgi-bin/mapserv">
> > <input type="hidden" name="map_web_imagepath" value="/var/www/html/tmp/">
> > <input type="hidden" name="map_web_imageurl" value="/tmp/">
> >
> > <center><input type="submit" value="Initialize"></center>
> >
> > </form>
> >
> > <p><hr><p>
> >
> > </body></html>
> > ~
> 
> demo.html
> <html>
> <head><title>MapServer Demo Interface</title></head>
> <body bgcolor=#FFFFFF>
> 
> <center><h1>MapServer Demo Interface</h1></center>
> <hr>
> <form method=GET action="[program]">
> 
> <center>
> <table border=0 cellspacing=0 cellpadding=4 bgcolor="#000000">
> <tr>
> <td valign="top" align=center>
>   <table cellpadding="0" cellspacing="0" border="0">
>     <tr><td colspan="2"><INPUT NAME="img" TYPE="image" SRC="[img]"
> width=600 height=600 border=0></td></tr>
>     <tr>
>       <td> <font size=-1 face="arial,helvetica"
> color="#FFFFFF"><b>Powered by MapServer</b></font></td>
>       <td align="right"><img src="[scalebar]"></td>
>     </tr>
>   </table>
> </td>
> <td valign="top" bgcolor=#ffffff>
>   <table cellpadding="5" cellspacing="0" border="0" bgcolor="#ffffff">
>     <tr><td>
>       Zoom In <input type=radio name=zoomdir value=1 [zoomdir_1_check]>
>       Pan <input type=radio name=zoomdir value=0 [zoomdir_0_check]>
>       Zoom Out <input type=radio name=zoomdir value=-1 [zoomdir_-1_check]>
>       <p>
>       Zoom Size <input type=text name=zoomsize size=4 value=[zoomsize]>
>       <p>
> 
>     </td></tr></table>
> 
>   </td></tr>
> </table>
> </center>
> 
> <input type="hidden" name="imgxy" value="299.5 299.5">
> <input type="hidden" name="imgext" value="[mapext]">
> <input type="hidden" name="map" value="[map]">
> <input type="hidden" name="savequery" value="true">
> 
> <input type="hidden" name="program" value="[program]">
> <input type="hidden" name="map_web_imagepath" value="[map_web_imagepath]">
> <input type="hidden" name="map_web_imageurl" value="[map_web_imageurl]">
> 
> </form>
> 
> <p><hr><p>
> 
> </body></html>
> 
> demo.map
> NAME EX2
> EXTENT 74000 4775000 798000 5500000
> SIZE 300 300
> SHAPEPATH "tigershpdata"
> WEB
>   HEADER demo_header.html
>   TEMPLATE demo.html
>   FOOTER demo_footer.html
>   MINSCALE 1000
>   MAXSCALE 1550000
>   IMAGEPATH "set in demo_init.html"
>   IMAGEURL "set in demo_init.html"
> END
> 
> #
> # Start of scalebar
> #
> SCALEBAR
>   IMAGECOLOR 255 255 255
>   LABEL
>     COLOR 255 255 255
>     SIZE tiny
>   END
>   STYLE 1
>   SIZE 80 2
>   COLOR 255 255 255
>   UNITS MILES
>   INTERVALS 1
>   TRANSPARENT TRUE
>   STATUS TRUE
> END
> 
> #
> # Start of layer definitions
> #
> 
> LAYER
>   NAME st01_d00
>   TYPE POLYGON
>   STATUS DEFAULT
>   DATA st01_d00
> 
>   CLASS # every other county in the state
>     EXPRESSION /./
>     OUTLINECOLOR 128 128 128
>     COLOR 49 117 185
>   END
> END
> END
> 
> Can some tell me what the problem may be ?
> 
> >
> 
> >
> >
> >If you expect to get more than a few token hits on your server for
> >demonstration purposes, you need to seriously consider translating the
> >tigerline data to shape files as you will have big performance problems
> >otherwise. If you ever plan to expand your data beyond one state you
> >will need to use shapefiles also. The Census offers a bunch of boundary
> >shapefiles now on its website for download, I don't think they have the
> >street level files. Here are two layer definitions I use in my map file
> >that might help, but I use shapefiles not OGR:
> >
> >LAYER
> >  NAME county
> >  MAXSCALE 799999
> >  TYPE POLYGON
> >  STATUS ON
> >  TILEINDEX "tgrindex"
> >  DATA county
> >  CLASS
> >    NAME "Counties"
> >    COLOR -1 -1 -1
> >    OUTLINECOLOR 128 128 128
> >  END
> >
> >  METADATA
> >    "DESCRIPTION" "County"
> >    "RESULT_FIELDS" "COUNTY STATE SSCCC"
> >  END
> >
> >  HEADER "html/cty_header.html"
> >  FOOTER "html/cty_footer.html"
> >  TEMPLATE "html/cty.html"
> >
> >  TOLERANCE 3
> >END
> >
> >LAYER
> >  NAME streets
> >  MAXSCALE 59999
> >  STATUS ON
> >  TILEINDEX "tgrindex"
> >  DATA minroads
> >  TYPE LINE
> >  LABELITEM "NAME"
> >  CLASS
> >    NAME "Streets"
> >    SYMBOL "circle"
> >    COLOR 0 0 0
> >    SIZE 4
> >    OVERLAYSYMBOL "circle"
> >    OVERLAYCOLOR 255 255 255
> >    OVERLAYSIZE 2
> >    LABEL
> >      ANGLE AUTO
> >      TYPE TRUETYPE
> >      ANTIALIAS TRUE
> >      FONT arial-bold
> >      MINFEATURESIZE 10
> >      MINDISTANCE 300
> >      POSITION UC
> >      BUFFER 4
> >      SIZE 8
> >      COLOR 0 0 0
> >      OUTLINECOLOR 255 255 204
> >    END
> >  END
> >
> >  METADATA
> >    "DESCRIPTION" "Surface Streets"
> >    "RESULT_FIELDS" "TLID NAME CFCC FRADDL TOADDL FRADDR TOADDR ZIPL
> >ZIPR RTE_NUM"
> >  END
> >
> >  HEADER "html/roads_header.html"
> >  FOOTER "html/roads_footer.html"
> >  TEMPLATE "html/roads.html"
> >
> >  TOLERANCE 3
> >END # streets
> >
> >
> >-Steve
> >
> >Sathiskumar Govindasamy wrote:
> >
> >>Hi,
> >>
> >>Thanks for your reply. Yes I wanted to go to street level mapping in the
> >>coming days, but I wanted to start with atleast the US and state boundaries
> >>with Interstates on it now. I have downloaded the Tiger Line 2000 data for
> >>Illinois. I have installed OGR and I am able to see the information through
> >>ogrinfo. But, how to I write template file and .map file with layers ? I
> >>would greatly appreciate your help.
> >>
> >>Thanks
> >>Sathis
> >>At 11:34 PM 2/8/2002 -0500, Walt Lin wrote:
> >>
> >>>If you just want to draw the state outlines and labels, don't use
> >>>TIGER-- use files from nationalatlas.gov .  If you need street level
> >>>data for the whole US, then tiger is the way to go.  Nationalatlas
> >>>should have just one layer for states-- setup your .map file for just
> >>>one layer and off you go.
> >>>
> >>>On Fri, Feb 08, 2002 at 05:18:22PM -0600, Sathiskumar Govindasamy wrote:
> >>>
> >>>>Hello,
> >>>>
> >>>>I am new to Mapserver. I don't know where to start. I tried to go
> >>>>through tutorial I couldn't get much out of it. I wanted the mapserver
> >>>>to generate map of US with states marked. I was told to use Tiger Line
> >>>>data. I don't loaded tigerline files for Illinois and also boundary line
> >>>>shapefiles for all the state states. Can someone tell me how to start or
> >>>>point me to some site where they have explained how to use Tiger data ?
> >>>>
> >>>>Thanks
> >>>>Sathis
> >>>>
> >>>>
> >>>>

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