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IDProjectCategoryView StatusDate SubmittedLast Update
0028981CommunityOCCT:Modeling Algorithmspublic2017-08-08 08:542017-08-08 09:41
Reporterickby Assigned Tojgv 
PrioritynormalSeveritymajor 
Status newResolutionopen 
PlatformPCOSWindows 
Product Version7.1.0 
Summary0028981: 2D Offset fails on face with jointype intersection
DescriptionThe given face cannot be used with in an offset operation with negative offset and jointype intersection. It works with positive offset values and "intersection", and also with "arc" join type.

The problem was reproduced with 0CC 7.2 beta version.
Steps To Reproducepload ALL
restore "C:/Users/y1stro/Downloads/face.brep"
mkoffset r face 1 -2 i
checkshape r_1 # r_1 is not a topologival shape!!!

mkoffset r face 1 -2 a
checkshape r_1 # This shape seems to be valid
TagsNo tags attached.
Test case number

Attached Files

  • face.brep (8,986 bytes)

Activities

ickby

2017-08-08 08:54

reporter  

face.brep (8,986 bytes)

emv

2017-08-08 09:41

developer   ~0069192

The problem is not a regression. I have checked the version 680 of OCCT in which the "intersection" option has been implemented. The behavior on this case is the same as in OCCT 7.2.0 beta version.

Dear Julia, please analyze the issue when you have time.

Issue History

Date Modified Username Field Change
2017-08-08 08:54 ickby New Issue
2017-08-08 08:54 ickby Assigned To => msv
2017-08-08 08:54 ickby File Added: face.brep
2017-08-08 09:41 emv Note Added: 0069192
2017-08-08 09:41 emv Assigned To msv => jgv