DXF Import: ellipses get deformed when importing with custom unit scale #105048

New Issue

slowburn · 2023-12-07T22:08:50+01:00

slowburn commented

2023-12-07 22:08:50 +01:00

System Information
Operating system: Windows-11 64 Bits
Graphics card: NVIDIA GeForce RTX 3060 Ti/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 545.92

Blender Version
Broken: version: 4.0.2, branch: blender-v4.0-release, commit date: 2023-12-05 07:41, hash: 9be62e85b727
Worked: never

Addon Information
Name: Import AutoCAD DXF Format (.dxf) (0, 9, 8)
Author: Lukas Treyer, Manfred Moitzi (support dxfgrabber library), Vladimir Elistratov, Bastien Montagne, Remigiusz Fiedler (AKA migius)

Short description of error
Ellipses get deformed if a .dxf file is imported with a custom Unit Scale setting under Geo Referencing.

This is how the shapes should look like

And this is how they look after importing to Blender with 0.1 scale. Ellipses get stretched on one axis.

Exact steps for others to reproduce the error

In Blender go to File>Import>AutoCAD DXF
Select ellipses_example.dxf file
Under Geo Referencing set Unit Scale to something other than 1
Import

**System Information** Operating system: Windows-11 64 Bits Graphics card: NVIDIA GeForce RTX 3060 Ti/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 545.92 **Blender Version** Broken: version: 4.0.2, branch: blender-v4.0-release, commit date: 2023-12-05 07:41, hash: `9be62e85b727` Worked: never **Addon Information** Name: Import AutoCAD DXF Format (.dxf) (0, 9, 8) Author: Lukas Treyer, Manfred Moitzi (support dxfgrabber library), Vladimir Elistratov, Bastien Montagne, Remigiusz Fiedler (AKA migius) **Short description of error** Ellipses get deformed if a .dxf file is imported with a custom `Unit Scale` setting under Geo Referencing. This is how the shapes should look like ![ellipses_autocad.png](/attachments/f9cc9c33-0f1b-4492-b09b-c6946176ad8c) And this is how they look after importing to Blender with 0.1 scale. Ellipses get stretched on one axis. ![ellipses_blender.png](/attachments/5490264d-2130-49a5-b235-6bdf7ccdc24e) **Exact steps for others to reproduce the error** - In Blender go to File>Import>AutoCAD DXF - Select ellipses_example.dxf file - Under Geo Referencing set Unit Scale to something other than 1 - Import

ellipses_example.dxf

120 KiB

ellipses_autocad.png

41 KiB

ellipses_blender.png

419 KiB