[mapguide-users] Re: sum of a field on selected items
jumpinjackie at gmail.com
Mon Mar 28 07:49:49 EDT 2011
A high-level overview:
In a PHP script, create a MgSelection from your MgMap.
Call GetLayers on the MgSelection
For each MgLayer in this result, if the layer's name matches the one you're
interested in (Agencies), call GetSelectedFeatures on MgSelection using this
Loop through the MgFeatureReader returned by this method, get the value of
the population property and accumulate it to a running total.
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