Atul Dravid wrote:
Try asking for Sample Code to Stephen Woodbridge...
On 4/12/08, *Stephen Woodbridge* <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> wrote:
Sucharita Samuel wrote:
Hi all,
I want to draw a circle of 5 km radius around the point I
click on the map. I am using C# mapscript. Even if you can help
me with the php code, it will be of great help.
One way to do this is to create a template layer that defines a
feature that is a circle with the STATUS OFF. Then in mapscript you
can get the layer, set the status to ON and set the value of the
origin of the feature and have mapserver draw it on top of your map.
-Steve W.
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In mapscript you can change the status and the feature points to be what
you want. Here is an example of the LAYER and a URL to display it. I
will leave the mapscript as you homework assignment :) Actually, I don't
have a simple example handy, nor the time to put one together at the
moment. If you get stuck an a specific point ask the list, there are
plently of people that can help with mapscript.
-Steve
MAP
EXTENT -180 -90 180 90
IMAGECOLOR 255 255 0
IMAGETYPE png
SIZE 400 200
UNITS DD
LAYER
NAME "circles"
TYPE circle
STATUS DEFAULT
FEATURE
# define circle as two points describing the opposite corners of
# of the bounding square about the circle
POINTS
-10.0 -10.0
10.0 10.0
END
END
CLASS
STYLE
OUTLINECOLOR 255 0 0
END
END
END
END
http://mt2.imaptools.com/cgi-bin/mapserv-5.1-dev?mode=map&map=/u/data/maps/circles.map
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