Global Mapper SDK

GM_GetLineFeature

Returns the line feature at the given index in the layer. Returns NULL 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 GM_FreeLineFeature when you are done accessing the feature.

Syntax

C++

Copy

GM_LineFeature_t* GM_GetLineFeature
(
GM_LayerHandle_t32  aLayer,                 // Layer to get line from
uint32              aLineIndex              // Index of line feature to retrieve
)