DXF requirements

DXF is a file format to exchange CAD data from Autodesk. It is the "open" variant of the "closed" DWG format, which is a proprietary binary format. AutoCAD can convert these formats to one another generally without loss of data. This file format can be used to import 2D spatial plans.

AutoCAD drawing guidelines for importing DXF files into the Tygron Platform

• Files should preferably consist of hatches.

• Features in files must be geographic data.

It is common to add additional information in AutoCAD files for legends, cross-sections, compass roses, etc. Exclude these elements, place them on separate layers, or position them outside the import area. Otherwise, a situation arises where the Tygron Platform may process these non-geographical information as if they were geographic objects.

• Features in the drawing must have the correct draw order.

The different features must be logically drawn on top of each other. In this case, what you see is what you get. For example, a tree that has been drawn over a garden and can actually be seen in AutoCAD as a tree in the garden will be properly read by the Tygron Platform as one after the other.

Features may overlap as long as they follow a logical draw order in AutoCAD; overlapping elements are loaded in that order.

In the drawing below you see an example of a wrong draw order. The road can be seen above the trees. The Tygron Platform will load the road after the trees, which may obscure them. A simple solution is to sort the path backwards in AutoCAD.

Example of wrong drawing order

See also

• DXF
• AutoCAD