DXF (Drawing Interchange Format, or Drawing Exchange Format) is a CAD data file format developed by Autodesk for enabling data interoperability between AutoCAD and other programs.

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How to georeference a dxf?

I have got myself a dxf which is built with units in the wrong scale. How do I upscale that in QGIS? Note it does open in QGIS, just in the wrong map units and location.
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I exported a DXF from QGIS, but it won't open in AutoCAD

I'm new in QGIS and here is my problem: I exported a DXf from QGIS by right-clicking on the layer. Then tried to open in AutoCAD 2000. That did not work. AutoCAD gave a failure-message: Unknown ...
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Which GIS support DXF and/or DWG?

Which GIS support DXF and/or DWG (preferably read&write)? Update: Are there any open source GIS supporting these or similar CAD files? Support of CAD files generally seems to be problematic. ...
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Is it possible to create 3D dxf with OGR?

Does anyone know if it's possible to create a 3D dxf with OGR. I would like to assign our contour lines a z value and export them to dxf for some cad work. PS I know FME can do this, however I would ...
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Ways to transform from DWG/DXF to GIS (Experiences are welcome)

I've got tons of DWG/DXF files with information (in several layers) dealing with: Contour lines and elevation (lines) positions of antennas (points) protection areas (polygons) administrative ...
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getting dxf files out of PostgreSQL

I've successfully loaded a bunch of shapefiles into a PostGIS database. I would like to be able to retrieve specific geometry and layers as dxf files based on SQL queries. I'm using PostGIS, GDAL, ...
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DXF attribute to z value

We have been given a DXF that contains a Elevation attribute but we would like to generate a 3D DXF. I know I can generate a 3D dxf from a shapefile using: ogr2ogr -f "DXF" out.dxf in.shp -zfield ...
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Splitting DXF layers into Shapfile layers in QGIS?

When i load a dxf into QGIS all the layers are present in the attribute table. Is it possible to split this "entities" layer in QGIS into its component parts and save each component part as an ...
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1answer
153 views

How to import a 3D DXF file into QGIS with z information as attribute value?

I have a dxf file of 3d contours. after import it does have only layer,x,y attribute and doesn't have Z attribute. how can I provide Z attribute to create a TIN file.
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Georeference vector linework

I'm new to GIS and a lot of searching didn't answer my specific question so far, so I hope someone can help me here. What I want to do is creating a small web application to visualize election ...
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2answers
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OGR DXF to KML conversion

I'm trying to convert a DXF 2010 file to KML using ogr2ogr: ogr2ogr -f "KML" outfile.kml infile.dxf In the file, $INSUNITS is 6, that's meters, if I'm correct? The problem is that DXF is not ...
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Last edited information missing when used QGIS - Dxf to Shp

I am doing as constructed drawings which require the information to be in a GIS system and more specifically drainage as constructed drawings. I must have a separate file for Pipes and Pits. First I ...
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1answer
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How do I convert a .dxf to a .shp containing a field with height information in QGIS?

I received two .dxf for my project that represent my area of interest. One of them contains buildings, the other one terrain elevation. They both are 3D. I can convert them to shapefiles successfully ...
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4answers
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Workflow for DXF interchange with QGIS

What is the best method of importing/exporting dxf files with QGIS ? I work in an engineering field and we use CAD and specialist design programs, and often go through several iterations during a ...
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How to export a layer to DXF from QGIS?

How do I export layers as a dxf? When I go to Layer > save selection as vector file the resulting dxf file is empty.