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0026671: Infinite loop in ShapeFix_Wire::FixSelfIntersection()

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Avoid possible infinite loops in ShapeFix_Wire::FixSelfIntersection() -- when needed, fix is repeated once instead of going back in the loop
This commit is contained in:
abv 2015-09-21 06:08:22 +03:00 committed by kgv
parent 9533a86648
commit 95a3946860
3 changed files with 19 additions and 9 deletions
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7
src/ShapeFix/ShapeFix_Wire.cxx
View File

@ -908,7 +908,8 @@ Standard_Boolean ShapeFix_Wire::FixSelfIntersection()
//%15 pdn 06.04.99 repeat until fixed CTS18546-2 entity 777
// if the tolerance was modified we should recheck the result, if it was enough
if ( LastFixStatus ( ShapeExtend_DONE7 ) ) num--;
if ( LastFixStatus ( ShapeExtend_DONE7 ) ) //num--;
FixIntersectingEdges ( num );
continue;
}
@ -926,10 +927,10 @@ Standard_Boolean ShapeFix_Wire::FixSelfIntersection()
else {
//#86 rln 22.03.99
//%15 pdn 06.04.99 repeat until fixed CTS18546-2 entity 777
//FixIntersectingEdges ( num );
FixIntersectingEdges ( num );
/*if ( LastFixStatus ( ShapeExtend_DONE7 ) )*/
// Always revisit the fixed edge
num--;
//num--;
}
}
}

11
tests/bugs/heal/bug26671 Normal file
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@ -0,0 +1,11 @@
puts "========================"
puts "0026671: Infinite loop in ShapeFix_Wire::FixSelfIntersection()"
puts "========================"
cpulimit 20
igesbrep [locate_data_file bug26671.igs] result *
checkshape result
tolerance result
set 2dviewer 1

10
tests/de/iges_3/A4
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@ -5,19 +5,17 @@ puts "TODO CR23096 ALL: STATSHAPE : Faulty"
puts "TODO CR23096 ALL: LABELS : Faulty"
puts "TODO CR23096 ALL: COLORS : Faulty"
puts "TODO CR23096 ALL: LAYERS : Faulty"
puts "TODO CR25013 ALL: Error : 3 differences with reference data found"
set filename BUC40132.igs
set ref_data {
DATA : Faulties = 6 ( 0 ) Warnings = 0 ( 0 ) Summary = 6 ( 0 )
TPSTAT : Faulties = 12 ( 238 ) Warnings = 470 ( 2529 ) Summary = 482 ( 2767 )
CHECKSHAPE : Wires = 3 ( 3 ) Faces = 3 ( 3 ) Shells = 0 ( 0 ) Solids = 0 ( 0 )
NBSHAPES : Solid = 0 ( 0 ) Shell = 0 ( 0 ) Face = 1346 ( 1345 ) Summary = 22209 ( 22292 )
STATSHAPE : Solid = 0 ( 0 ) Shell = 0 ( 0 ) Face = 1346 ( 1345 ) FreeWire = 96 ( 170 ) FreeEdge = 1061 ( 1061 ) SharedEdge = 9267 ( 9277 )
CHECKSHAPE : Wires = 4 ( 4 ) Faces = 4 ( 4 ) Shells = 0 ( 0 ) Solids = 0 ( 0 )
NBSHAPES : Solid = 0 ( 0 ) Shell = 0 ( 0 ) Face = 1346 ( 1345 ) Summary = 22215 ( 22296 )
STATSHAPE : Solid = 0 ( 0 ) Shell = 0 ( 0 ) Face = 1346 ( 1345 ) FreeWire = 96 ( 170 ) FreeEdge = 1061 ( 1061 ) SharedEdge = 9271 ( 9280 )
TOLERANCE : MaxTol = 0.8099726869 ( 1.367966665 ) AvgTol = 0.008047307184 ( 0.008376960654 )
LABELS : N0Labels = 27 ( 27 ) N1Labels = 2100 ( 6101 ) N2Labels = 0 ( 0 ) TotalLabels = 2127 ( 6128 ) NameLabels = 2127 ( 2596 ) ColorLabels = 2114 ( 6127 ) LayerLabels = 2114 ( 6127 )
LABELS : N0Labels = 27 ( 27 ) N1Labels = 2100 ( 6107 ) N2Labels = 0 ( 0 ) TotalLabels = 2127 ( 6134 ) NameLabels = 2127 ( 2596 ) ColorLabels = 2114 ( 6133 ) LayerLabels = 2114 ( 6133 )
PROPS : Centroid = 0 ( 0 ) Volume = 0 ( 0 ) Area = 0 ( 0 )
NCOLORS : NColors = 11 ( 12 )
COLORS : Colors = BLUE1 CYAN1 CYAN2 DARKGOLDENROD GREEN MAGENTA1 PALEVIOLETRED1 RED TURQUOISE2 WHITE YELLOW ( BLUE1 CYAN1 CYAN2 DARKGOLDENROD GRAY53 GREEN MAGENTA1 PALEVIOLETRED1 RED TURQUOISE2 WHITE YELLOW )