FreeCAD export to Autodesk DXF problem
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FreeCAD export to Autodesk DXF problem
I creates shape 2D views of selected objects (Three views + Isometric view) in Draft workbench, the graphics is different to insert a new view of a part in the active deawing in Drawing workbench.
When I export to Autodesk DXF (Draft-Shape2DView and Drawing-PageView), the two dxf files's 2D graphics is broken in DraftSight V1R5.2, and the export dxf speed Drawing-PageView is slower than Draft-Shape2DView.
Why is the above situation? Please tell me the FreeCAD export Autodesk DXF feature properly? How to solve it?
Please help me, thank you!
OS: Ubuntu 14.04.1 LTS
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.15.3956 (Git)
Branch: master
Hash: a579bdce72564e1bc987023b1a7552b4bedb2da3
Python version: 2.7.6
Qt version: 4.8.6
Coin version: 4.0.0a
SoQt version: 1.6.0a
OCC version: 6.7.0
When I export to Autodesk DXF (Draft-Shape2DView and Drawing-PageView), the two dxf files's 2D graphics is broken in DraftSight V1R5.2, and the export dxf speed Drawing-PageView is slower than Draft-Shape2DView.
Why is the above situation? Please tell me the FreeCAD export Autodesk DXF feature properly? How to solve it?
Please help me, thank you!
OS: Ubuntu 14.04.1 LTS
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.15.3956 (Git)
Branch: master
Hash: a579bdce72564e1bc987023b1a7552b4bedb2da3
Python version: 2.7.6
Qt version: 4.8.6
Coin version: 4.0.0a
SoQt version: 1.6.0a
OCC version: 6.7.0
Re: FreeCAD export to Autodesk DXF problem
Hm there are indeed some problems there
There are a couple of known bugs in arcs direction in the DXF export code.
Usually using the Draft Downgrade tool twice on shape2dview objects helps (separates into individual edges) but in this case there is not much difference... It also seems that the code that should export bsplines and ellipses as segmented polylines isn't working properly.
I'll try to solve those problems ASAP
There are a couple of known bugs in arcs direction in the DXF export code.
Usually using the Draft Downgrade tool twice on shape2dview objects helps (separates into individual edges) but in this case there is not much difference... It also seems that the code that should export bsplines and ellipses as segmented polylines isn't working properly.
I'll try to solve those problems ASAP
Re: FreeCAD export to Autodesk DXF problem
Ok I finally took my courage to fix the DXF flipped arcs problems
In git commit 16ede0e I fixed the arc directions and elliptic arcs export code. There was another problem with this file, which is that the dimensions are very small, and the "max spline segment" DXF preference option couldn't go below 1. I now changed that preference option to a float value, so you can set it to something smaller. Now the above file exports beautifully to dxf:
In git commit 16ede0e I fixed the arc directions and elliptic arcs export code. There was another problem with this file, which is that the dimensions are very small, and the "max spline segment" DXF preference option couldn't go below 1. I now changed that preference option to a float value, so you can set it to something smaller. Now the above file exports beautifully to dxf:
Re: FreeCAD export to Autodesk DXF problem
I've updated FreeCAD source code, as follows:
Version: 0.15.3966 (Git)
Release date: 2014/08/28 16:30:34
But I can not be that file exports beautifully to dxf like you. Please tell me will I still need to adjust FreeCAD what options?
Version: 0.15.3966 (Git)
Release date: 2014/08/28 16:30:34
But I can not be that file exports beautifully to dxf like you. Please tell me will I still need to adjust FreeCAD what options?
Re: FreeCAD export to Autodesk DXF problem
Could you please post your full FreeCAD info like you posted in your first post, including the hash...archang wrote:I've updated FreeCAD source code, as follows:
Re: FreeCAD export to Autodesk DXF problem
OS: Ubuntu 14.04.1 LTS
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.15.3966 (Git)
Branch: master
Hash: 67b54f805203271d95ffa6f07912bbc196ff2078
Python version: 2.7.6
Qt version: 4.8.6
Coin version: 4.0.0a
SoQt version: 1.6.0a
OCC version: 6.7.0
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.15.3966 (Git)
Branch: master
Hash: 67b54f805203271d95ffa6f07912bbc196ff2078
Python version: 2.7.6
Qt version: 4.8.6
Coin version: 4.0.0a
SoQt version: 1.6.0a
OCC version: 6.7.0
Re: FreeCAD export to Autodesk DXF problem
This confirms your version includes Yorik's commit (and two others made after that). https://github.com/FreeCAD/FreeCAD_sf_m ... its/master
I should also have asked you to provide your DXF output for review.
I should also have asked you to provide your DXF output for review.
Re: FreeCAD export to Autodesk DXF problem
I set it to 0.5 and got the same result as Yorik.yorik wrote:There was another problem with this file, which is that the dimensions are very small, and the "max spline segment" DXF preference option couldn't go below 1. I now changed that preference option to a float value, so you can set it to something smaller.
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- FC_a1_dxf.png (109.19 KiB) Viewed 2052 times
Re: FreeCAD export to Autodesk DXF problem
I set "Max Spline Segment" to 0.50mm, but the result is still different than you. Please tell me what can I do? Thank you!