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IDProjectCategoryView StatusDate SubmittedLast Update
0023171Community[OCCT] OCCT:Modeling Algorithmspublic2012-05-24 03:462017-11-16 16:05
Reporterdingzh 
Assigned Togka 
PriorityhighSeveritymajor 
StatusassignedResolutionopen 
PlatformWindowsOSVC++ 2010OS Version64 bit
Product Version[OCCT] 6.5.3 
Target VersionFixed in Version 
Summary0023171: Got wrong result after stitching
DescriptionLoad attached brep file, and try to stitch them into a shell using API BRepOffsetAPI_Sewing sewer(1.0e-6, Standard_True, Standard_True, Standard_True, Standard_False); but the result looks strange. OCC6.5.1 runs no problem for this sample.
Thanks.

Steps To ReproduceIn DRAW:

pload MODELING
restore stitch.brep a
sewing r 0.000001 a
checkshape r
tolerance r

Shape is said to be Ok, but tolerance is bad in 6.5.3:

Tolerance MAX=1.1999920974414735 AVG=0.36444915680763462 MIN=9.9999999999999995e
-008
FACE : MAX=9.9999999999999995e-008 AVG=9.9999999999999995e-008 MIN=9.99999999
99999995e-008
EDGE : MAX=1.1999920974414735 AVG=0.24021845948829471 MIN=9.9999999999999995e
-008
VERTEX : MAX=1.1999920974414735 AVG=0.48123186398844969 MIN=0.0001
TagsNo tags attached.
Test case numberbugs modalg_7 bug23171_1, bug23171_2
Attached Filesrar file icon stitch.rar (71,681 bytes) 2012-05-24 03:46
? file icon tube_surf.igs (33,702 bytes) 2012-12-08 04:31

- Relationships

-  Notes
(0022630)
dingzh (reporter)
2012-12-08 04:30

Hi OCC team,
  How about this bug now? I got several other similar stitching bugs. If you can tell me how to fix it, I will implement the modification into my local OCC6.5.3 project.

Thanks.
(0072295)
mkv (tester)
2017-11-16 16:05

Fixed in OCCT6.7.0.

- Issue History
Date Modified Username Field Change
2012-05-24 03:46 dingzh New Issue
2012-05-24 03:46 dingzh Assigned To => jgv
2012-05-24 03:46 dingzh File Added: stitch.rar
2012-05-24 10:09 abv Assigned To jgv => gka
2012-05-24 10:09 abv Priority normal => high
2012-05-24 10:09 abv Severity minor => major
2012-05-24 10:09 abv Status new => assigned
2012-05-24 10:09 abv Steps to Reproduce Updated View Revisions
2012-12-08 04:30 dingzh Note Added: 0022630
2012-12-08 04:31 dingzh File Added: tube_surf.igs
2017-11-16 16:05 mkv Test case number => bugs modalg_7 bug23171_1, bug23171_2
2017-11-16 16:05 mkv Note Added: 0072295


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