AcMapTopology:: MergePolygons Method
Merges neighboring polygons, dissolving the boundaries between them.
AcMap::EErrCode MergePolygons(
AcArray<long>& aPolygonIds
);|
Parameters |
Description |
|
aPolygonIds |
Input array of IDs of the polygons to merge. |
Returns
Returns AcMap::EErrCode kOk if successful; otherwise, returns a different error code.
Remarks
If one of the specified polygons shares no boundary with the others, this function fails. After a merge succeeds, the original polygon reference apPolygons[0] becomes invalid; the caller is responsible for retrieving the new polygon reference with ID apPolygons[0]. The other (now merged) polygons also become invalid and the caller is responsible for freeing them.
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