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IDProjectCategoryView StatusDate SubmittedLast Update
0023314Community[OCCT] OCCT:Modeling Algorithmspublic2012-07-18 06:012017-12-05 17:01
Reporterdingzh 
Assigned Tojgv 
PrioritynormalSeverityminor 
StatusnewResolutionopen 
PlatformAOSLOS VersionL
Product Version[OCCT] 6.5.3 
Target Version[OCCT] 7.4.0*Fixed in Version 
Summary0023314: Helix curve distortion
DescriptionLoad attached brep file. Try to build a helix along a period surface using API
Handle(Geom2d_TrimmedCurve) aSegment = GCE2d_MakeSegment(startPnt , endPnt);
edge = BRepBuilderAPI_MakeEdge(aSegment , hSurf);
BRepLib::BuildCurves3d(edge);

The startPnt is (0.0,0.0), endPnt is (PI2*22, 51.024) (means 22 rounds), the hSurf is the b-spline surface in the file.
When round is 22, the helix curve is distortion, if we decrease the round to 10, the curve is correct.

Thanks.
TagsNo tags attached.
Test case number
Attached Filesrar file icon helix.rar (61,697 bytes) 2012-07-18 06:01

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- Issue History
Date Modified Username Field Change
2012-07-18 06:01 dingzh New Issue
2012-07-18 06:01 dingzh Assigned To => jgv
2012-07-18 06:01 dingzh File Added: helix.rar
2014-08-11 20:33 abv Target Version => 6.8.0
2014-09-26 14:25 abv Target Version 6.8.0 => 7.1.0
2016-10-28 15:33 msv Target Version 7.1.0 => 7.2.0
2017-07-21 11:34 msv Target Version 7.2.0 => 7.3.0
2017-12-05 17:01 msv Target Version 7.3.0 => 7.4.0*


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