OCCT

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OCC+VTK：The program crashed in debug mode

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### Description I compiled both the debug and release versions of VTK9.4.2 on Windows. Similarly, I also compiled the debug and release versions of OCC7.9.0. I wrote a program using...

YoHen-Fu

CMake Error at samples/qt/FuncDemo/CMakeLists.txt:8 (target_link_libraries):

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### Description Selecting Windows SDK version 10.0.22621.0 to target Windows 10.0.26100. Info: TCL is used by OCCT Info: TK is used by OCCT Info: FreeType is used by OCCT Info:...

hohogpb

BRepOffsetAPI_ThruSections cannot work for closed B-spline curve

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### Description I have 5 closed sections in B-spline form as shown below, I want to generate surface with `BRepOffsetAPI_ThruSections`.  ### Expected Behavior A surface/solid can be generated normally....

lavender-lee

Integrated multithreaded shape healing. At the moment it is for the test purposes only.

dpasukhi

STEP import fails if cascade unit it set to M

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### Description [multi_solids.zip](https://github.com/user-attachments/files/20068983/multi_solids.zip) When trying to import the attached STEP file in OCCT 7.9.0 with "xstep.cascade.unit" set to "M" (metre), the imported shape results in infinite geometry. If I set...

martin-bernhard

Improve TDocStd_Document Memory Management via Lazy Loading

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### Description Currently, the TDocStd_Document API loads the entire dataset into memory upon initialization. This approach can quickly lead to severe memory consumption and reduced performance, especially when dealing with...

GabrielJMS

Memory not released properly when using STEPCAFControl_Reader in Docker (ubuntu:build-24.04)

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### Description Hello, I have a rather simple task of reading STEP file and sending it to another application (console application, cmake). The code was written using existing examples and...

ANPetrov-SysCon

### Description We use OCC in wasm. When building PipeShell, an error occurred in the BuildHistory function. I tried to remove BuildHistory and it worked properly. Should we add a...

FishOrBear

Geom2dAPI_InterCurveCurve has 2 repeated intersection points

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### Description The two curves in 2d should have only one intersection point. But Geom2dAPI_InterCurveCurve gives two. Please see the attached source files and data files to reproduce this issue....

xuzhongxing

OBJ file fails to load

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### Description The attached OBJ file fails to load in DRAW test harness: [test.obj.zip](https://github.com/user-attachments/files/19941632/test.obj.zip) The attached OBJ file was exported from Wings3D and only contains `f` elements of the format...

HuguesDelorme