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Import elevation grid

Import elevation grid

Importing elevation grid

MouseOK   Ribbon: TopoplanCreate TIN  >  Import elevation grid

MouseOK   Menu: GroundCreating TIN  >  Import elevation grid

MouseOK   Toolbar: Creating TIN >  Import elevation grid

KeyboardOK Command line: NG_IMPORT_ELEVATIONGRID

 

To create surfaces in the module it is possible to load elevation grid files in PGM, GRD, ASC, DEM formats. As a result of the import, a surface is created in the form of a Mesh object.

After starting the command, a standard file selection dialogue box will open. It is necessary to specify the file and click OK.The import dialogue will open:

 

The command options are set in the Properties toolbar.

Options:

Split mesh for optimization

If this option is enabled, for more convenient work the mesh will be split into several smaller objects. It is recommended to enable this option.

Convert to CS

If the elevation matrix was created in WGS-84 system, them its conversion is required to display in a drawing’s rectangular coordinate system. Possible variants: UTM (Universal Transverse Mercator), СК-42, СК-95. Also, it is possible Do not convert the elevation matrix, but it is recommended not to use this option.

In case the command is performed successfully, the message will appear:

Import evaluation grid done!

 

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