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 can I “reset” SketchUp origin after importing DXF with “Preserve Drawing Origin” option enabled?
I can successfully import all of my 3D DXFs into a common location so that they are referenced correctly (in reference to each other). TO do this I simply check the Import DXF "Preserve Drawing ...
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1answer
48 views
How to rescale vector data? [duplicate]
I've got some old maps in dxf format. QGIS imports them correctly but with a nonsense scale. It can export the data it gets to shp of course. Does anyone know how to rescale vector data so it can be ...
2
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1answer
490 views
DXF format for QGIS
I am trying to import some DWG files into QGIS. I am using ODA to convert the DWG files to DXF and then want to use the Dxf2Shp converter plugin in QGIS.
The ODA converter has many options for the ...
2
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3answers
94 views
How to preserve text when converting from .dxf to .shp?
I have tried using dxf2shp converter in QGIS but the text in dxf file is being lost during the conversion process, despite selecting export text labels.
I would be grateful if someone can help me ...
4
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2answers
479 views
How to convert 3D DXF to PostGIS 2.0?
I'm not very skilled on using postgis but I face a problem that I must solve, i.e. create tables to load geographical data stored as dxf.
I have a thousand dxf files (3d) with polylines, points and ...
2
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1answer
153 views
How to convert lines from dxf to polygons?
I have several dxf files. Each file, contains the 0 layer. The 0 layer contains lines (which make a closed polygon). In each dxf the lines have their color and line width.
I do not have autocad or ...
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2answers
85 views
export 3D data dxf file
I'm trying to export a DXF file from Qgis1.8.0 Lisboa and can not have a 3Dfile in Autocad! Or micristation. It results always in 2D file. How can I export height data from a shape file in Qgis?
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2answers
783 views
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.
5
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2answers
528 views
Python: How to export Shapely objects to DXF file
Using shapely package for Python how to export the resulting shapely objects such as buffer to a DXF file?
3
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2answers
87 views
Is it possible to create CAD file from shapefile and also create CAD blocks from the database fields
I am trying to find out if there is any software or plugin/code that I can bundle that will take a shapefile and export it to a CAD file with CAD blocks generated so our CAD mappers can just move the ...
0
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2answers
187 views
Convert to SHP files to 3D DXF file
I'm using QGIS version 1.8.0-Lisboa and I'm trying to convert a vector line file and it's not working. I right click on the layer>Save as>Autocad file>DXF. After that I try to open the output file in ...
4
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3answers
648 views
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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0answers
30 views
Convert Shp to Dxf with QGIS [duplicate]
8.0. I have asked this before and seen similar but not the same (all of which I Have not got an answer to so not a duplicate).
But is there a way to export a shp as a dxf so that it will not crash ...
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0answers
79 views
Is there any software that can create a section slice from multiple 3D DFX meshes?
I am often creating eological cross section with Geosoft Target and ArcMap. Geosoft Target does a good job of generating a sectional slice from any 3D DXF (or other supported 3D mesh). Unfortunately ...
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0answers
118 views
How to import 3D geometries from DXF, VRML or X3D into PostGIS 2
we plan to develop a webbased 3D GIS using PostGIS 2 and GeoServer with a W3DS. The architecture works fine, but i have problems to import 3D geometries into PostGIS. The geometries come from AutoCAD ...
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1answer
77 views
How to get DXF to show up in the right spot?
I just followed the advice of this forum post in order to export the vector layers of a PDF for usage in ArcMap. The map vector layers in the PDF were spatially referenced. I was able to export the ...
4
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2answers
241 views
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
180 views
DXF created by QGIS crashes Autocad [duplicate]
This is slightly complicated. I have a dxf created by autocad which seems to have been corrupted. It will not open in AutoCAD. However, it opens in QGIS.
I tried selecting the file in QGIS and ...
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0answers
58 views
why the Dxf2shape pluging doesn't work?
I have a problem with the dxf2shape converter in my windows pc, when I try to make a conversion, the shape file is not generated and sometimes the program crashes, I have tried this plugin in a ...
3
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1answer
240 views
postgis error: when adding features geometry has z dimension but column does not
I have to define a geometry column in PostGIS for 2D points, but when I try to import points from DXF to postgres I get the following message:
"postgis error: when adding features geometry has z ...
5
votes
4answers
2k views
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 ...
2
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1answer
238 views
How can I use QGIS to convert points with elevations to DXF?
I'm trying to convert points (with their elevations) into a dxf file for use in AutoCAD LT. I've tried "save as" to dxf for the layer, which appears to almost work...the dxf has x and y location ...
4
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1answer
491 views
TIN Creation from 3D Contour File
I'm currently trying to import a 3D contour file into a Quantum GIS project. My question is, how can I export the DXF file from Microstation with height information? I already have imported it to the ...
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214 views
Export dxf files for use in Sketchup
the export to dxf seems like it worked, but Sketchup will not import it. I don't think this is a Sketchup issue, as Sketchup imports other dxf files just fine.
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14answers
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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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0answers
105 views
Displaying text from dxf in Openlayers
I managed to import .dxf into Postgis table, and now have, among others, rows with Point geometries and values in text column (which corespodent with Label values from ACAD .dxf).
What is the best ...
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0answers
133 views
QGIS dxf2shp text angle problem
I am trying to convert from dxf to shp. Any text layer when converted has attributes including text, height, and angle. The angle is in radians, and I can see that it is in degrees in the dxf file. ...
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4answers
2k views
How to export labels to DXF file?
Is it possible to export labels based on Shapefile attributes into a DXF file?
I use Quantum gis in Version 1.7.4.
I've been reading a CSV file and view it as a Shape Layer.
With the help of ...
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0answers
70 views
How to export dxf of window view from postGis MasterMap layer
I have managed to get qgis to show my Mastermap data which is stored in a postGis database. It's national coverage so seems to take ages to load but that's another question.
I basically want to ...
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0answers
118 views
Naming layers in DXF using OGR2OGR
We have been using ogr2ogr to export data from PostGIS into DXF. Using the default behaviour of the export, all data are put into layer '0'. We would put data into a layer name from the PG table name. ...
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2answers
292 views
How do I convert many .dxf files to one gdb file?
I am using ArcView and ArcCatalog 9.2 with the Data Interoperability extension and I have 159 .dxf files that are comprised of 6 files; a dessin DAO, an annotation DAO, a multipatch DAO; a point DAO, ...
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1answer
184 views
Dxf drawings displaying as points but i need lines
I have an autocad dwg. which i then saved as a dxf. I have way to many layers in it such as contours, buildings etc. All I need is the red and blue lines. I cannot delete the other lines as they ...
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2answers
802 views
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 ...
2
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1answer
207 views
How to create new layer within a DXF file?
Using OGR in Python, I'd like to create some geometries within a DXF file, but not in the "0" layer, but in new ones.
I tried with:
import ogr, os, osr, sys
ds = ...
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0answers
152 views
Errors with ogr2ogr and DXF files (ASCII and BIN)
Using OGR, I'm trying to reproject a DXF file. I'm using ogr2ogr, but I get two type of errors depending if I start with a BIN DXF or an ASCII DXF file.
With BIN DXF:
ogr2ogr -s_srs 27492.prj -t_srs ...
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2answers
83 views
“AttributeError: getZ” error when trying to get the elevation of DXF linestrings
I'm using Python and OGR to extract the elevation of lines within a DXF file.
import ogr
driver = ogr.GetDriverByName('DXF')
datasource = driver.Open('test1.dxf', 0)
layers=datasource.ExecuteSQL( ...
2
votes
1answer
527 views
OGR and DXF files: Is it possible to handle layer names? (only “entities”)
I'm using Python and OGR to extract the layers of a DXF file and convert them into SHP.
I began with:
import ogr, os, sys
driver = ogr.GetDriverByName('DXF')
datasource = driver.Open('test1.dxf', 0)
...
5
votes
4answers
2k views
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 ...
4
votes
4answers
1k views
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.
1
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1answer
508 views
GRASS v.out.dxf 3D into AutoCAD
So continuing with my last question (Create 3D dxf with OGR) I have decided to give the GRASS option a go.
I have imported my polylines into GRASS using v.in.ogr and converted them to 3D using ...
2
votes
3answers
477 views
How to change DXF unit by Python 2.6
I have a bunch of DXF files to import into ArcGIS 10 but they are all in mm. However I need to change the unit to Meter and to do this I have to open AutoCAD to do it each time.
Can anyone help to ...
9
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3answers
991 views
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, ...
7
votes
2answers
365 views
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 ...
1
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1answer
675 views
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 ...
5
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2answers
264 views
How to deal with multitype data sources in QGIS?
Today I was trying to import a DXF to Qgis, the result is that qgis displays everything LINES and POINTS but it only displays options for the POINT objects.
When I try to export to a shapefile, it ...
5
votes
3answers
1k views
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 ...
5
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1answer
2k views
Converting a CAD/DXF file to a SHP file
I need your ideas and suggestions about a problem....
I have a dxf file which was converted from a CAD file. I used QGIS to convert it to a shp file...
This is when I realized that the text ...
