ASC
Esri ASCII grid import options
Import a DTM saved in the ASCII Esri grid data exchange format. For general information about the format, visit the Esri grid wikipedia page.
Location
File -> Import -> Esri Grid ASCII (.asc)
Properties
Scale
Horizontal: scaling coefficient applied to the raster cells
Vertical: scaling coefficient applied to the raster values
Process
file is completely read into an internal data structure, and kept in memory for the duration of the process
3D points are generated from raster data and cell size value
faces are calculated between points
DTM mesh is created
DTM properties are set according to the file parameters
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