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IDProjectCategoryView StatusLast Update
0033895CommunityOCCT:Shape Healingpublic2025-10-08 12:45
ReporterSander Adamson Assigned Toika  
PrioritynormalSeverityminor 
Status closedResolutionfixed 
PlatformLinuxOSUbuntu 20.04 
Product Version7.9.0 
Target Version7.8.1 
Summary0033895: ShapeFix_Shape / fixshape crashes when given a face without a surface
DescriptionShapeFix_Shape crashes with a segfault when given a shape that contains faces without a surface pointer, for example if the shape is tessellated or triangulated, or contains tessellated / triangulated subshapes.
Steps To Reproduce1) Load a step file with tessellated geometry
2) Run ShapeFix_Shape on it
3) ShapeFix_Shape crashes with a segfault

See also attached files for a relevant step file and a draw test scenario.
Additional information
and documentation updates
The attached triggering .step file is the same as for bug 33894 : https://tracker.dev.opencascade.org/view.php?id=33894
TagsNo tags attached.
Test case number

Attached Files

Relationships

related to 0033894 closedSander Adamson ShapeUpgrade_UnifySameDomain / unifysamedom crashes when given a face without a surface 

Activities

Sander Adamson

2025-07-17 16:16

developer  

dpasukhi

2025-10-08 12:45

administrator   ~0117092

Fixed on latest version

Issue History

Date Modified Username Field Change
2025-07-17 16:16 Sander Adamson New Issue
2025-07-17 16:16 Sander Adamson Assigned To => ika
2025-07-17 16:16 Sander Adamson File Added: bug_tessellated_tetrahedron_ap242_fixshape
2025-07-17 16:16 Sander Adamson File Added: tessellated_tetrahedron_ap242.step
2025-07-17 16:46 Sander Adamson Assigned To ika => Sander Adamson
2025-10-08 12:29 dkulikov Assigned To Sander Adamson => ika
2025-10-08 12:29 dkulikov Status new => resolved
2025-10-08 12:38 dpasukhi Relationship added duplicate of 0033894
2025-10-08 12:38 dpasukhi Relationship deleted 0033894
2025-10-08 12:38 dpasukhi Relationship added related to 0033894
2025-10-08 12:45 dpasukhi Note Added: 0117092
2025-10-08 12:45 dpasukhi Status resolved => closed
2025-10-08 12:45 dpasukhi Resolution open => fixed