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TOPOLUMA

Features

DXF site plan export

Get a clean DXF of a site to start drawing in AutoCAD, BricsCAD, ArchiCAD, Revit, Vectorworks or Rhino, in metres and on layers you can switch off.

What you get

Named layers
CONTOUR_MINOR, CONTOUR_INDEX, BUILDINGS, ROADS_MAJOR and more, with closed polylines for buildings and water.
Real elevations
Contours sit at their height, so Civil 3D and Revit can build a surface from them.
Coordinates
Local metres from the south-west corner or the centre, or UTM, stated in the README in the download.
Also 3D
DXF 3D faces of terrain and buildings, and IFC 4 for BIM.

How to do it

  1. Draw the area and generate.
  2. In Export, choose DXF 2D (and 3D if needed) and the coordinates.
  3. Download; several formats come as one ZIP with a README.
  4. In CAD, insert in metres, origin to origin.

Limits to know

DXF R12 is used for compatibility; there are no hatches or dimension entities, and text uses the standard font of your CAD program. More on the data and accuracy page.

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