Attila Borbás wrote:
Hello,
I ve got a big problem with php/mapscript.I ve tried a simple "hello
world" example (from Beginning MapServer Open Source GIS Development)
and I didn't get any error message, but the browser couldn't generate
the rendered pic. I don't know what the problem could be, but all codes
what I ve made had the same problem. I attached the bad codes. Thx for
ur help and I'm looking forward to your answer.
_The php/mapscript file:_
<?php
dl('php_mapscript.dll');
$image_name = sprintf("phpms-hello%0.6d",rand(0,999999)).".png";
$map = ms_newMapObj("c:/ms4w/Apache/htdocs/hello_world/hello.map");
$image=$map->draw();
$image->saveImage("c:/ms4w/tmp/ms_tmp/".$image_name);
?>
<html>
<head><title>PHP MapScript Hello World</title></head>
<body>
<form action="hello.php" method="POST">
<input type="image" name="img"
src="c:/ms4w/tmp/ms_tmp/<?php echo $image_name; ?>">
</form>
</body>
</html>
_The map file:_
# "Hello World" mapfile
NAME "Hello World"
SIZE 400 300
IMAGECOLOR 249 245 186
IMAGETYPE png
EXTENT -1.0 -1.0 1.0 1.0
WEB
IMAGEPATH "c:/ms4w/tmp/ms_tmp/tmp/"
IMAGEURL "/tmp/"
END
LAYER
STATUS default
TYPE point
FEATURE
POINTS 0.00 0.00 END
TEXT "Hello World"
END # end feature
CLASS
STYLE
COLOR 255 0 0
END
LABEL
TYPE bitmap
END
END
END
END
here are some comments:
- MS4W is pre-configured for the following settings:
IMAGEPATH "/ms4w/tmp/ms_tmp/"
IMAGEURL "/ms_tmp/"
Make sure to use those settings in all of your MS4W mapfiles.
- you can test that your mapfile generates a map image properly by using
the shp2img commandline utility, that is included in MS4W
(http://mapserver.gis.umn.edu/docs/reference/utilityreference/shp2img)
- MS4W also comes with a small PHP file that can generate a map image
(see /ms4w/Apache/htdocs/quickmap.php)
--
Jeff McKenna
FOSS4G Consulting and Training Services
http://www.gatewaygeomatics.com/
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