[Chameleon-dev] [Bug 669] New: [Chameleon - Widget] Legend Layer Metadata "LatLongBoundingBox:" parameter invalid

bugzilla-daemon at www.maptools.org bugzilla-daemon at www.maptools.org
Wed Sep 15 11:52:34 EDT 2004


           Summary: [Chameleon - Widget] Legend Layer Metadata
                    "LatLongBoundingBox:" parameter invalid
           Product: Chameleon
           Version: 1.99
          Platform: PC
        OS/Version: Windows 2000
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Widget
        AssignedTo: chameleon-dev at lists.maptools.org
        ReportedBy: cthorne at dmsolutions.ca

In a legend when a layer can display its metadata information in a defined popup
template. The Metadata field "LatLongBoundingBox:" will never be populated when
a OGC Context is used. 

The reason being is the there is not BoundingBox element found for a specific
<Layer></Layer>. BoundingBox is only found within <General></General>
information for the specific Context.

The only what that you can get layer bounding box information is from the
specific WMS Layers capabilities. 

First of all this does not makes sense for the Metadata Legend popup to do this,
since it should only display the information found in the context or MS mapfile.

Second even if you did extract the bounding box information from a WMS
GetCapibilities query the info is probably incorrect or to general (the world
extent, rather than the region of the layers).

Proposals To Solution:

1) Remove this Metadata Field.

2) Extract the information from the possible SLD associated with a Context or
context layer.

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