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IDProjectCategoryView StatusLast Update
0029040Open CASCADEOCCT:Shape Healingpublic2023-08-01 15:06
ReporteremvAssigned Togka 
Status newResolutionopen 
Product Version7.1.0 
Target VersionUnscheduled 
Summary0029040: Incorrect treatment of the seam edges in ShapeUpgrade_UnifySameDomain algorithm
DescriptionIn current implementation of the ShapeUpgrade_UnifySameDomain algorithm seam edges are always removed during unification of the faces and then restored by ShapeFix. It leads to incorrect history information because no edges are modified into the new one created by ShapeFix.
Also, due to such behavior the invalid shapes are created in some cases.
Steps To Reproduce1. incorrect history
brestore [locate_data_file bug28913_26219_faces.brep] a
unifysamedom result a
explode a e
# input shape and seam edges
don a a_1 a_4
unifysamedomisdel a_1
# The shape has been deleted
unifysamedomisdel a_4
# The shape has been deleted

# both seams are deleted

2. invalid shape
explode a e
unifysamedom r a a_1 +i
checkshape r
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Issue History

Date Modified Username Field Change
2017-08-23 10:30 emv New Issue
2017-08-23 10:30 emv Assigned To => gka
2019-09-04 13:04 abv Target Version 7.4.0 => 7.5.0
2020-09-11 16:48 utverdov Target Version 7.5.0 => 7.6.0
2021-10-06 17:00 szy Target Version 7.6.0 => 7.7.0
2022-10-24 10:43 szy Target Version 7.7.0 => 7.8.0
2023-08-01 15:06 dpasukhi Target Version 7.8.0 => Unscheduled