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MapCatalogCreate

Marius Lazar
Updated
globalmapper.MapCatalogCreate(str aDescription, GM_Projection_t aProj) → GM_LayerHandle_t32[source]

Creates a new map catalog layer with the given description and native projection. Once you have created a new map catalog, use the handle returned in calls to MapCatalogAddFile or MapCatalogAddLayer to add new maps to the catalog. Use MapCatalogSave to save the map catalog to a disk file that can later be loaded using any of the LoadLayer* functions.

Parameters:

  • aDescription (str) – Description to use for layer (can be None to use default)

  • aProj (GM_Projection_t) – Native projection of new layer (use None for Geographic/WGS84/Arc Degrees)

Returns:

Handle to the map catalogue layer

Return type:

GM_LayerHandle_t32

Example

The following is an example of MapCatalogCreate.:

gm.MapCatalogCreate("Cahokia Historical Site Data", proj_file)

For more context refer to the map catalog sample scripts.

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