[mapserver-users] mapserver user can not make the shapefile data correctly show in the browser
李杨
gisyangli at gmail.com
Wed Aug 22 09:50:28 PDT 2012
Hello,
respected everyone,
I have a problem when using Mapserver. I just using Maperver to rend an
shapefile on ubuntu 12.04. but the expect image is not correctly showing, i
think there maybe some problem with my mapfile set, especially with
IMAGEURL define?
I use a guide in the link :
http://www.gistutor.com/mapserver/3-beginner-mapserver-tutorials/7-how-to-generate-a-simple-map-using-mapserver-and-a-shapefile.html
I assign the mapfile & template.html&start.html in my www DIR,
which is like this:
mapfiel.map:
MAP
NAME parcels_map
STATUS ON
SIZE 420 300
EXTENT 489885 5450946 490904 5451637
UNITS METERS
SHAPEPATH "shapefiles"
IMAGECOLOR 255 255 255
WEB
TEMPLATE "template.html"
IMAGEPATH "/var/www/output/"
IMAGEURL "/output/"
END
LAYER
NAME "parcel_boundaries"
DATA parcels
STATUS DEFAULT
TYPE POLYGON
CLASS
NAME "parcels_color"
COLOR 255 215 0
END
END
# end of map file
END
starrtmap.html:
<html>
<head><title>Creating a simple image using Mapserver and a
Shapefile</title></head>
<body bgcolor="#FFFFFF">
<h2>Creating a simple image using Mapserver and a Shapefile</h2>
<p><hr><p>
This page simply contains a link which sends a set of instructions to the
Mapserver application using a mapfile.<br />
The information stored within the mapfile tells the Mapserver application
how to draw the map.<p>
<!-- The following link sends the local file structure path of the mapfile
to the web location of the mapserver executable file -->
<A HREF="http://localhost/cgi-bin/mapserv?map=/var/www/mapfile.map">
Click on this link</A> to view a map generated using a Shapefile.
<p><hr><p>
</body>
</html>
template.html:
<!-- MapServer Template -->
<html>
<head><title>Simple Mapserver Template HTML Document</title></head>
<body bgcolor=#AAAAAA>
<h2>The image below was illustrated based on the instructions sent in the
mapfile.</h2>
<!-- When using Mapserver with a template, the Mapserver application looks
for the [img] tag within the template document to place the map -->
<img src="/[img]" border=1>
</body>
</html>
when I run the “http://localhost/cgi-bin/mapserv?map=/var/www/mapfile.map”
in my address colum.
The expect map is not shown.
The page is showing content of template.html expectly, but there is only a
image icon , but with no picture. And the status bar in the firefox brower
is showing : conecting to output ..
I notice that in the var/www/output DIR, there have been some png file
generated. And is the png containing the polygon in the shapefile. Every
time when I click the “
http://localhost/cgi-bin/mapserv?map=/var/www/mapfile.map” link, a new png
file is generated in output DIR.
I want to know if the IMAGEURL in the mapfile is set wrongly? Why the png
is genrated correctly but not showing in the browser? Any one can help me?
--
Yang Li
GIS Developer
P.R.China
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