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IDProjectCategoryView StatusDate SubmittedLast Update
0031463Community[OCCT] OCCT:Modeling Algorithmspublic2020-03-25 10:302020-03-25 11:47
Reporteralexzkw 
Assigned Toemv 
PrioritynormalSeveritymajor 
StatusnewResolutionopen 
PlatformWindowsOSWindowsOS Version7
Product Version[OCCT] 7.3.0 
Target VersionFixed in Version 
Summary0031463: Intersection curve is displaced
DescriptionThe intersection curve of two BSplineSurfaces is strangely displaced.
Steps To Reproduce1) Extract the two BRep files from the zip
Use the draw commands to reproduce:
> pload ALL
> vinit
> restore "obj1.brep" obj1
> restore "obj2.brep" obj2
> bop obj1 obj2
> bopsection myIntersection
> vdisplay obj1
> vdisplay obj2
> vdisplay myIntersection
> vtop
> vfit

The myIntersection curve is displaced according to the expected
TagsNo tags attached.
Test case number
Attached Fileszip file icon objects_to_intersect.zip (131,067 bytes) 2020-03-25 10:30
png file icon wrong_intersection.png (46,570 bytes) 2020-03-25 10:30

- Relationships

-  Notes
(0091234)
alexzkw (reporter)
2020-03-25 11:23

I also check the Intersection in OCC 7.4.1. There the result is different but also wrong and not what expected
(0091235)
msv (developer)
2020-03-25 11:47

Eugeny,
bopcurves gives the right 1 curve, so, the problem is on the side of builder.

- Issue History
Date Modified Username Field Change
2020-03-25 10:30 alexzkw New Issue
2020-03-25 10:30 alexzkw Assigned To => msv
2020-03-25 10:30 alexzkw File Added: objects_to_intersect.zip
2020-03-25 10:30 alexzkw File Added: wrong_intersection.png
2020-03-25 11:23 alexzkw Note Added: 0091234
2020-03-25 11:47 msv Note Added: 0091235
2020-03-25 11:47 msv Assigned To msv => emv


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