[mapguide][MG215][New] WMS feature info support requires new backend query API

[Traian Stanev]

You can view the artifact detail at the following URL:

    https://mapguide.osgeo.org/servlets/Scarab/id/MG215

Type
 Enhancement

Artifact ID
 MG215 (WMS feature info support requires new backend query API)

Reported by
 Traian Stanev
 traianstanev (traian.stanev at autodesk.com)

New artifact details:
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- Artifact created
- Target milestone set to new value
  1.0
- Artifact Status set to new value
  New
- Priority set to new value
  P2
- Description set to new value
  WMS GetFeatureInfo support requires that we can do a spatial query and return all features and their properties. This is very similar to the QueryFeatures API used by the AJAX viewer for selection, but that one only returns the property values for the topmost feature. We need a similar API that returns the property values for all selected features.
- Summary set to new value
  WMS feature info support requires new backend query API
- Justification set to new value
  WMS compliance.

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