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0025395Community[OCCT] OCCT:Modeling Algorithmspublic2014-10-19 16:522017-08-02 14:00
shoogen 
ifv 
normalcrash 
newopen 
LinuxDebian 6.064 bit
[OCCT] 6.7.1 
 
bugs modalg_7 bug25395_1, bug25395_2
0025395: SIGSEGV in BRepOffsetAPI_MakeThickSolid
An exception was caught 0x7f9914d31bf1 : OSD_SIGSEGV: SIGSEGV 'segmentation violation' detected. Address 0
** Exception ** 0x7f9914d31bf1 : OSD_SIGSEGV: SIGSEGV 'segmentation violation' detected. Address 0
#generated by FreeCAD 0.15.4119 +12 (Git)
pload MODELING
restore thickness2-s1.brep s1
explode s1 F
offsetparameter 1e-7 p a
offsetload s1 1 s1_2 s1_3 s1_4
offsetperform Thickness
donly Thickness
original report http://forum.freecadweb.org/viewtopic.php?f=3&t=8084&p=66255 [^]

#0 0x00007fff7b664769 in BRepOffset_Tool::OrientSection (E=..., F1=...,
    F2=..., O1=@0x7fffffffa9ac: 32767, O2=@0x7fffffffa9a8: 2210867259)
    at occt-eb46b12/src/BRepOffset/BRepOffset_Tool.cxx:524
0000001 0x00007fff7b63e729 in BRepOffset_Inter3d::ContextIntByArc (this=
    0x7fffffffac60, ContextFaces=..., InSide=0, Analyse=...,
    InitOffsetFace=..., InitOffsetEdge=...)
    at occt-eb46b12/src/BRepOffset/BRepOffset_Inter3d.cxx:783
0000002 0x00007fff7b64f0e5 in BRepOffset_MakeOffset::Intersection3D (this=
    0x7fffffffaf58, Inter=...)
    at occt-eb46b12/src/BRepOffset/BRepOffset_MakeOffset.cxx:2592
No tags attached.
? thickness2-s1.brep (270,389) 2014-10-19 16:52
https://tracker.dev.opencascade.org/
Issue History
2014-10-19 16:52shoogenNew Issue
2014-10-19 16:52shoogenAssigned To => ifv
2014-10-19 16:52shoogenFile Added: thickness2-s1.brep
2014-10-19 21:43shoogenNote Added: 0033306
2017-08-02 14:00mkvTest case number => bugs modalg_7 bug25395_1, bug25395_2
2017-08-02 14:00mkvNote Added: 0069051

Notes
(0033306)
shoogen   
2014-10-19 21:43   
#same geometry. but this time without external shapes
#generated by FreeCAD 0.15.4119 +12 (Git)
pload MODELING
ellipse Ellipse-curve 0 0 0 100.87 22
mkedge Ellipse-edge Ellipse-curve 0 6.28318530718
wire Ellipse-wire Ellipse-edge
mkplane Ellipse Ellipse-wire
ttranslate Ellipse 0 -27 184.5
explode Ellipse E
wire Sweep-0-spine Ellipse_1
mksweep Sweep-0-spine
setsweep -CF
circle Circle-curve 0 0 0 18
mkedge Circle-edge Circle-curve 0 0
wire Circle Circle-edge
trotate Circle 0 0 0 0 -1 0 90
ttranslate Circle 0 -70 202.5
addsweep Circle
buildsweep Sweep -C -S
box Box001 300 90 300
ttranslate Box001 -150 -27 0
bcut Cut031 Sweep Box001
box Box002 300 100 30
ttranslate Box002 -150 -100 202.5
bcut Cut032 Cut031 Box002
explode Cut032 F
offsetparameter 1e-7 p a
offsetload Cut032 1 Cut032_3 Cut032_2 Cut032_4
offsetperform Thickness
donly Thickness
(0069051)
mkv   
2017-08-02 14:00   
Problem described in issue is reproduced on current state of OCCT.