Tagged Questions
1
vote
0answers
112 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. ...
2
votes
1answer
202 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 = ...
0
votes
0answers
147 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 ...
1
vote
2answers
81 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
503 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)
...
7
votes
2answers
358 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 ...
9
votes
3answers
932 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, ...
1
vote
1answer
492 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 ...
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 ...
