Tech Tips


Converting a DXF File into a DTM

This Tech Tip explains how to convert a DXF file that has line and point data into a DTM

The DXF file that will be converted.
 

TechTips


Creating a New Project

Create a new project via File Menu > Project Settings and create a new blank dt7 file. Select Terrain, and specify the path to the new file. Civil Designer will now create the new dt7 file.



Click OK to continue.

Converting the DXF

The next step is to convert the DXF into a format that civil Designer can import into the dt7 file.

In Survey Mode, Conversions Menu > Extract DXF

Select the DXF than needs to be converted.



Click Open to continue.

Select a name for the ASCII file that needs to be created.



Give the file a name and then click Save to continue.



You can save the lines as feature lines or breaklines. We will use the default which is feature lines. Click Yes to continue.

The file will be converted into an ASCII file.

Importing the ASCII File

Survey Mode, File Menu > Import > ASCII YXZ > Single File

Select the new ASCII file that was created.



Click Open to continue.



The program should automatically select the correct file type, but you can verify if this is correct by looking at the preview. The first few lines of the file you are trying to import are loaded.

Click Next to continue.



Click on the top of each column to assign a name for each column.



Click Finish to continue.

Select the surface for the points.



Click OK to continue.



The points are imported. If you switch on the triangulation, you will see the imported feature lines.



The data is imported.


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