0030442: Mesh - broken triangulation on pipe shape

ID	Project	Category	View Status	Date Submitted	Last Update

0030442	Community	OCCT:Mesh	public	2019-01-12 08:37	2021-11-01 18:13

Reporter	eryar	Assigned To	oan
Priority	normal	Severity	minor
Status	new	Resolution	open
Platform	Windows	OS	VC++ 2013
Product Version	7.3.0
Target Version	7.7.0

Summary	0030442: Mesh - broken triangulation on pipe shape
Description	BRepMesh broken for pipe shape, see the picture. The points.txt data as follow: 3 3d 0 0 0 6000 6000 6000 9000 1000 3000
Steps To Reproduce	pload ALL # 1. Approx a curve from points as a spine curve; # 2. Make a circle as profile; # 3. Pipe the circle along the spine; # 4. Display the pipe in 3d viewer. bsmooth aSmoothCurve 1.0 d:/points.txt circle aCircle 0 0 0 1 1 1 20 mkedge aSpineEdge aSmoothCurve mkedge aProfileEdge aCircle wire aSpineWire aSpineEdge wire aProfileWire aProfileEdge pipe aPipe aSpineWire aProfileWire vdisplay aPipe vfit
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Test case number

Date Modified	Username	Field	Change
2019-01-12 08:37	eryar	New Issue
2019-01-12 08:37	eryar	Assigned To	=> oan
2019-01-12 08:37	eryar	File Added: pipe mesh broken.PNG
2019-01-12 08:38	eryar	File Added: points.txt
2019-09-04 15:43	abv	Target Version	7.4.0 => 7.5.0
2020-08-28 15:51	oan	Target Version	7.5.0 => 7.6.0
2020-10-23 19:26	kgv	Summary	BRepMesh broken for pipe shape => Mesh - broken triangulation on pipe shape
2020-10-23 19:26	kgv	Description Updated
2020-10-23 19:26	kgv	Steps to Reproduce Updated
2020-10-23 19:29	oan	Relationship added	related to 0029641
2021-03-23 12:48	oan	Relationship added	related to 0032241
2021-11-01 18:13	szy	Target Version	7.6.0 => 7.7.0

related to	0029641	new	oan	Community	Mesher produce 'bad' result for extruded spline with given deviation coefficient
related to	0032241	new	oan	Community	Mesh - wrong shading display of thrusections [regression since OCCT 7.4.0]