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IDProjectCategoryView StatusDate SubmittedLast Update
0028700Open CASCADE[OCCT] OCCT:Modeling Algorithmspublic2017-04-28 16:072018-04-17 16:21
Reportermsv 
Assigned Togka 
PrioritynormalSeverityminor 
StatusnewResolutionopen 
PlatformOSOS Version
Product Version[OCCT] 7.1.0 
Target Version[OCCT] 7.4.0*Fixed in Version 
Summary0028700: BRepBuilderAPI_Sewing produces too small edge covered by its vertices
DescriptionThis bug has been discovered during fixing #23731 as a regression on several test cases. The current version of checkshape does not report such invalidity. However, there is the method BRepLib::FindValidRange() that allows to check the edge for validity in respect to this rule.
It is needed to analyze these test cases and understand whether the sewing algorithm must be corrected.
Steps To Reproducetests\bugs\modalg_4\bug714
tests\bugs\modalg_2\bug22770_10
tests\bugs\modalg_2\bug22770_11
tests\bugs\modalg_2\bug22770_18
tests\bugs\modalg_2\bug22770_20
tests\bugs\modalg_2\bug22770_23
tests\bugs\modalg_2\bug22770_27
tests\bugs\modalg_2\bug22770_28
tests\bugs\modalg_2\bug22770_3
tests\bugs\modalg_2\bug22770_30
tests\bugs\modalg_2\bug22770_5
tests\bugs\modalg_2\bug22770_8
tests\bugs\modalg_2\bug22770_9
tests\bugs\modalg_2\bug22804
TagsNo tags attached.
Test case numberbugs modalg_7 bug28700_1, bug28700_2, bug28700_3, bug28700_4, bug28700_5
Attached Files

- Relationships

-  Notes
(0065644)
msv (developer)
2017-04-28 16:09

In Draw, the following command checks if the shape contains to small edges:

foreach e [explode a e] {
  if {[validrange $e] == "edge has no valid range"} {
    puts "Error: edge $e is too small"
  }
}
(0070034)
apv (tester)
2017-08-29 11:26

Problem described in issue is reproduced on current state of OCCT.
(0075486)
ski (developer)
2018-04-17 16:21

Branch CR28700 was created by mistake.

- Issue History
Date Modified Username Field Change
2017-04-28 16:07 msv New Issue
2017-04-28 16:07 msv Assigned To => gka
2017-04-28 16:09 msv Note Added: 0065644
2017-07-24 09:22 msv Target Version 7.2.0 => 7.3.0
2017-08-29 11:26 apv Test case number => bugs modalg_7 bug28700_1, bug28700_2, bug28700_3, bug28700_4, bug28700_5
2017-08-29 11:26 apv Note Added: 0070034
2017-12-05 16:59 msv Target Version 7.3.0 => 7.4.0*
2018-04-17 16:21 ski Note Added: 0075486


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