globalmapper.GetLineFeature

globalmapper.GetLineFeature(GM_LayerHandle_t32 aLayer, uint32 aLineIndex) → GM_LineFeature_t[source]

Returns the line feature at the given index in the layer. Returns 0 if the layer does not contain a line at the given index or if a registration key was not found and aLineIndex was greater than GM_MAX_NON_REGISTERED_VECTOR_IDX.

Any features returned from this function must be freed using a call to FreeLineFeature when you are done accessing the feature.

Parameters:

  • aLayer (GM_LayerHandle_t32) – Layer to get line from

  • aLineIndex (uint32) – Index of line feature to retrieve

Returns:

The feature at index aLineIndex within aLayer

Return type:

GM_LineFeature_t