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How can I parse a 3D dxf to a kml file?

I'm looking for an answer that could point me to suitable references.

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EOF
Improve this question
1

2 Answers 2

Reset to default
1

I would recommend FME to do the job. (http://www.safe.com/) The ability to manipulate datasets to/from many different formats and easily wrap them into batch files will more than pay for itself over time.

Improve this answer
5
  • 1
    this can done online with demos.fmeserver.com/easytranslator/index.html
    – Mapperz ♦
    Feb 16, 2015 at 21:36
  • Thx. tried this...getting "fatal errors" when I feed it the DXF.
    – val
    Feb 17, 2015 at 0:28
  • @val can you post the 3d dxf file online?
    – Mapperz ♦
    Feb 17, 2015 at 2:47
  • @Mapperz: File pasted above.
    – val
    Feb 17, 2015 at 23:04
  • @Mapperz: seems it has worked. I had previously failed to select a coordinate system (I let it guess). This time i selected WGS84. Just playing with the KML at this point.
    – val
    Feb 18, 2015 at 2:02
1

You should be able to use the GDAL ogr2ogr tool to convert a file from DXF to a KML.

ogr2ogr -f "KML" out.kml in.dxf -s_srs "source srs" -t_srs EPSG:4326

This will require that the DXF be georeferenced, and that you know can determine the spatial reference system of the source.

Improve this answer
4
  • Thx. I've georeferenced it to lat/long as I'm thinking this could be the easiest to use (at least to start). Normally I deal with UTMs.
    – val
    Feb 17, 2015 at 0:23
  • 1
    I tried DXF file you added to the question with GDAL version 1.11.1, and assumed the spatial reference was WGS 84 (EPSG:4326) and was able to produce a KML that loaded in Google Earth.
    – Andy C
    Feb 18, 2015 at 19:50
  • 1
    You can also convert directly from the UTM based files by specifying the correct UTM zone EPSG identifier, it looks like this data would be in UTM 13 North - so it would be EPSG:32613 for the source srs.
    – Andy C
    Feb 18, 2015 at 20:02
  • Does this conversion restrict the data to 2D? I have a 3D DXF. In GE it seems to only plot the 2D projection, or a slice of my model. Also, when I retrieve information on Code 4326 here epsg-registry.org, it seems to convert to a 2D projection, i.e. (Type = GeodeticCRS (geographic 2D)". I want a 3D DXF converted to a KML (also in 3D).
    – val
    Feb 18, 2015 at 22:38

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