You didn't say if you're doing this in old or new style templates, but
regardless you'd need to do this in javascript. I can illustrate easiest with a
new style template since it's all in one place but the idea applies to either:
<!-- MapServer Template -->
<script>
var length=0;
[resultset layer="layer1"]
[feature]
length += [length];
[/feature]
[/resultset]
alert("total length=" + length);
</script>
So, for each feature in layer1 we add to the overall length variable and then
output it at the end. Does this help?
Steve
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Eric Weisbender
Sent: Friday, March 19, 2010 3:38 PM
To: [email protected]
Subject: [mapserver-users] html query templates
I am trying to calculate the sum of several numeric values returned in a query
template. Is there a cgi variable for this or a way to distinguish say the
first [length] of a line segment returned as apposed to subsequent [length]
values returned for the same poly line shape.
Eric
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