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IDProjectCategoryView StatusDate SubmittedLast Update
0031993Community[OCCT] OCCT:Modeling Algorithmspublic2020-12-11 21:192020-12-11 21:56
Assigned Tomsv 
PlatformAMD64OSWindowsOS Version10
Product Version[OCCT] 7.5.0 
Target Version[OCCT] 7.6.0*Fixed in Version 
Summary0031993: Boolean operation on arguments imported from a step file does not work correctly.
DescriptionI exported the shape from SolidWorks as step file.
And I want to do boolean operation on it in OCC.
But I get incorrect result with any errors.

I suppose this happens because imported shapes have some defects.
Draw[67]> bopargcheck step_1_3 -O #FB
Made faulty shape: s1COnS_1 (MaxDist = 0.002217327758767739, MaxPar = 0.1245655804749155)
Made faulty shape: s1COnS_2 (MaxDist = 0.0012070304483742327, MaxPar = 0.018731643957181774)
Faulties for FIRST  shape found : 2
Shapes are not suppotrted by BOP: NO
Self-Intersections              : NO
Check for SI has been aborted   : NO
Too small edges                 : NO
Bad faces                       : NO
Too close vertices              : DISABLED
Too close edges                 : DISABLED
Shapes with Continuity C0       : NO
Invalid Curve on Surface        : YES  Cases(2)  Total shapes(4)

Is there a way to heal such shape?
Steps To Reproduce
stepread 3_Layers.step step *

explode step_1

box box1 150 1 300 30 500 30


baddobjects box1 step_1_1 step_1_2 step_1_3
bapibuild res1

explode res1
TagsNo tags attached.
Test case number
Attached Files? file icon 3_Layers.STEP (385,484 bytes) 2020-12-11 21:19
jpg file icon bop_step.jpg (68,883 bytes) 2020-12-11 21:20

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- Issue History
Date Modified Username Field Change
2020-12-11 21:19 abezotosniy New Issue
2020-12-11 21:19 abezotosniy Assigned To => msv
2020-12-11 21:19 abezotosniy File Added: 3_Layers.STEP
2020-12-11 21:20 abezotosniy File Added: bop_step.jpg
2020-12-11 21:56 kgv Target Version => 7.6.0*
2020-12-11 21:56 kgv Description Updated View Revisions
2020-12-11 21:56 kgv Steps to Reproduce Updated View Revisions

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