[mapguide-users] Polygons and Intersection Problem

[Kori Maleski]

In the studio preview, it fails as well.

Using the select tool, clicking on one polygon will highlight/select the
entirety, while clicking on the other will yield no highlight/select.


Cheers,

Kori Maleski




On Thu, Jan 15, 2009 at 10:16 AM, Kori Maleski <kori.maleski at gmail.com>wrote:

> Mark,
>
> I have attached a shapefile with one of the polygons in question.  The
> spatialfilter fails on any dissolve multipolygon like this one.
>
> Again, I converted it to sdf via a load procedure.
>
>
> Cheers,
> Kori Maleski
>
>
>
>   On Thu, Jan 15, 2009 at 10:08 AM, Mark Pendergraft <markp at meadgilman.com
> > wrote:
>
>>    Could you upload your SDF file with the 2 polygons?
>>
>> -Mark P.
>>
>>
>>
>> *From:* mapguide-users-bounces at lists.osgeo.org [mailto:
>> mapguide-users-bounces at lists.osgeo.org] *On Behalf Of *Kori Maleski
>> *Sent:* Thursday, January 15, 2009 9:03 AM
>> *To:* MapGuide Users Mail List
>> *Subject:* [mapguide-users] Polygons and Intersection Problem
>>
>>
>>
>>
>>
>> Hi All,
>>
>>
>>
>> Intersection problem:
>>
>>
>>
>> I have an application performs a query on a polygon layer with a point -
>> using intersection with the spatialfilter.
>>
>>
>>
>> The problem is this:
>>
>>
>>
>> The polygon originated from a shapefile - loaded as SDF via studio.
>>
>> The single polygon feature originally was 2 distinct polygons dissolved
>> together via ArcMap.
>>
>>
>>
>> The intersection works only on one of the polygons, and fails to return a
>> feature reader at all when within the other polygon.
>>
>>
>>
>> This fails in both code execution and as a GeFeatureInfo WMS request in
>> the same manner.
>>
>>
>>
>> Has anyone encountered this?
>>
>> Has anyone worked around?
>>
>>
>>
>> Is it better to explode the feature?  I require the geometery from each
>> part to do a highlight.
>>
>>
>>
>> Is there an issue with how a shapefile multipolygon is converted to SDF?
>>
>> Or is this an isse with the SelectFeatures functionality?
>>
>>
>>
>>
>>
>>
>>
>> Cheers,
>>
>>
>>
>>
>>
>> Kori Maleski
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> $geometryFactory = new MgGeometryFactory();
>>
>>     // create a coordinate
>>     $coordinate = $geometryFactory->CreateCoordinateXY($x,$y);
>>
>>     // create a point
>>     $point = $geometryFactory->CreatePoint($coordinate);
>>
>>  $queryOptions = new MgFeatureQueryOptions();
>>
>>  $queryOptions->SetSpatialFilter('Geometry',$point,MgFeatureSpatialOperations::Intersects);
>>
>>
>>  $layerResource = new MgResourceIdentifier($layerdefinition);
>>  $layer = new MgLayer($layerResource, $resourceService);
>>
>>
>>  $layerClassName = $layer->GetFeatureClassName();
>>
>>  $layerFeatureId = $layer->GetFeatureSourceId();
>>     $layerFeatureResource = new MgResourceIdentifier($layerFeatureId);
>>     $layerId = $layer->GetObjectId();
>>
>>  $featureReader =
>> $featureService->SelectFeatures($layerFeatureResource,$layerClassName,$queryOptions);
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> _______________________________________________
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>> mapguide-users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>>
>>
>
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