0002755: Boolean Bug in OCC5.0 with the shape having a ellipse curve

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Date Submitted

Last Update

0002755

Community

[OCCT] OCCT:Modeling Algorithms

public

2003-05-26 11:15

2006-06-29 09:15

Reporter

bugmaster

Assigned To

mkk

Priority

normal

Severity

trivial

Status

closed

Resolution

fixed

Platform

All

OS Version

Product Version

Target Version

Fixed in Version

[OCCT] 5.1.1

Summary

0002755: Boolean Bug in OCC5.0 with the shape having a ellipse curve

Description

Bug from Open CASCADE community
Bug has been registered by Lee Sangsu

http://www.opencascade.org/forumorg/bug.php?bug_id=129&f=8 [^]

The new boolean algorithm fails when shapes have ellipse in their wires.

I made a profile consisted of a ellipse (whole or partly). then made a prism
from it and applied a boolean algorithm( any boolean fuse,common,cut...) to the
shape and other shape(any shape).
Then the appl crashes.
No other curve type make such a crash. Only the ellipse does.

P.S. This only occurs with debug dlls.
The release version of OCC was ok.
P.S. I tested more, and found that it is becasue of prism operation.
I made a revolution from an ellipse, and boolean operation, it was ok.
and My debugger goes into the below source, and dead confronting
anExtPExtS.IsDone();
:: From Extrema_ExtPS.cxx
case GeomAbs_SurfaceOfExtrusion: {
Extrema_ExtPExtS anExtPExtS(P,
Adaptor3d_SurfaceOfLinearExtrusion(myS->BasisCurve(),
myS->Direction()),
myuinf,myusup, myvinf,myvsup, mytolu,mytolv);
myDone = anExtPExtS.IsDone();
if (myDone)
for (i = 1; i <= anExtPExtS.NbExt(); i++) {
TreatSolution (anExtPExtS.Point(i), anExtPExtS.Value(i));
}
return;
}

Bugmaster

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Attached Files

ellipse.brep (20,470 bytes) 2003-05-26 07:20

OCC2755_mkk_v1.tgz (3,372 bytes) 2003-09-22 10:14

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Issue History
Date Modified	Username	Field	Change
2003-05-26 11:15	bugmaster	Assigned To	bugmaster => mkk
2003-05-26 11:15	bugmaster	Status	new => assigned
2003-05-26 11:15	bugmaster	Summary	=> Boolean Bug in OCC5.0 with the shape having a ellipse curve
2003-09-08 15:51	bugmaster	Assigned To	mkk => jgv
2003-09-18 11:25	mkk	Assigned To	jgv => mkk
2003-09-22 12:18	mkk	Status	assigned => resolved
2003-09-22 12:21	bugmaster	CC	=> apv
2003-09-22 15:26	apv	CC	=> mkv, aki
2003-10-03 13:05	bugmaster	Status	resolved => tested
2003-10-13 12:31	bugmaster	Status	tested => verified
2003-10-17 11:20	bugmaster	Status	verified => closed
2003-10-17 11:20	bugmaster	Fixed in Version	=> 5.1.1
2003-10-17 11:20	bugmaster	Resolution	@0@ => fixed
2004-12-30 11:28	bugmaster	Customer	=>
2011-08-02 11:31	bugmaster	Category	OCCT:MOA => OCCT:Modeling Algorithms