AcMapTopology:: FindTopologyObject Method
Finds the object (node, full edge, or polygon) nearest a specified point within a specified tolerance.
AcMap::EErrCode FindTopologyObject(
AcMapTopoElement*& pElement,
const AcGePoint3d& point,
double dTolerance
);|
Parameters |
Description |
|
pElement |
Output closest AcMapTopoElementobject. This value points to a copy of the node, full edge, or polygon referenced by the found object. The caller is responsible for freeing this object. |
|
point |
Input point. |
|
dTolerance |
Input tolerance. |
Returns
Returns AcMap::EErrCode kOk if successful; otherwise, returns a different error code.
Remarks
If a node is within tolerance, then it is returned. Otherwise, if an edge is within tolerance, then it is returned. Otherwise, the smallest enclosing polygon is returned. If no objects are within tolerance, NULL is returned.
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