0029728: Modeling Algorithms - BRepFill_PipeShell algorithm produces invalid result - MantisBT

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ID

Project

Category

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Date Submitted

Last Update

0029728

Open CASCADE

[OCCT] OCCT:Modeling Algorithms

public

2018-04-25 12:59

2019-09-04 12:12

Reporter

nbv

Assigned To

msv

Priority

normal

Severity

minor

Status

assigned

Resolution

open

Platform

OS

OS Version

Product Version

Target Version

[OCCT] Unscheduled

Fixed in Version

Summary

0029728: Modeling Algorithms - BRepFill_PipeShell algorithm produces invalid result

Description

BRepFill_PipeShell algorithm produces invalid result. Please see "WrongPipe.PNG" the attached picture.

Steps To Reproduce

restore [locate_data_file OCC26470-ClosedWire.brep] a
restore [locate_data_file OCC26470-wprof2.brep] b

mksweep a
addsweep b
buildsweep rr -R

Tags

No tags attached.

Test case number

WrongPipe.PNG (25,208 bytes) 2018-04-25 12:59

Relationships

Notes
(0075678) nbv (developer) 2018-04-25 13:08	Please note that on OCCT 7.2.0 the result is looked more aesthetic. However, it is not valid, too. Because it contains too small edge. E.g. Draw[]> explode rr f Draw[]> copy rr_4 ff2 Draw[]> explode ff2 e Draw[]> lprops ff2_4 1.0e-4 # 1.21698e-007 Draw[]> toler ff2_4 # VERTEX : MAX=5.5040830459515754e-007 ... MIN=9.9999999999999995e-008 I.e. the edge ff2_4 is covered by the tolerance of its vertices.

Issue History
Date Modified	Username	Field	Change
2018-04-25 12:59	nbv	New Issue
2018-04-25 12:59	nbv	Assigned To	=> msv
2018-04-25 12:59	nbv	File Added: WrongPipe.PNG
2018-04-25 13:08	nbv	Note Added: 0075678
2018-04-25 16:37	msv	Assigned To	msv => nbv
2018-04-25 16:37	msv	Status	new => assigned
2019-08-12 19:08	msv	Assigned To	nbv => msv
2019-08-12 19:12	msv	Target Version	7.4.0 => Unscheduled
2019-09-04 12:12	kgv	Summary	BRepFill_PipeShell algorithm produces invalid result => Modeling Algorithms - BRepFill_PipeShell algorithm produces invalid result

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