CAD Dictionary

What is an AutoCAD DTM file?

What is an AutoCAD DTM file?

An AutoCAD DTM (Digital Terrain Model) file is used in AutoCAD Civil 3D for representing terrain and landscape features.

Purpose of DTM Files:

  • Terrain Modeling: They are primarily used for creating and analyzing terrain models.
  • Civil Engineering and Surveying: Useful in civil engineering, surveying, and landscape design.

Using DTM Files in AutoCAD:

  • Importing: DTM files can be imported into AutoCAD for creating 3D terrain models.
  • Analysis and Simulation: Once imported, these models can be used for analysis, simulations, or as a base for further design.

Examples of Use:

  • A civil engineer imports a DTM file to design a roadway following the terrain.
  • A landscape architect uses a DTM file to plan landscaping in accordance with the existing topography.

DTM files are essential for projects requiring accurate representation of the natural terrain, enabling precise design and planning.