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0026708: Fix shape did not fix attached shape. Seam edge was not added to the attached periodic face.

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Added taking into account crossing seam edge during collection of the wires in the ShapeFix_ComposeShell.cxx
Test script for bug 0026708.
This commit is contained in:
gka 2015-12-09 11:00:13 +03:00 committed by bugmaster
parent 905db76982
commit c9e1d810ab
5 changed files with 146 additions and 80 deletions
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184
src/ShapeFix/ShapeFix_ComposeShell.cxx
View File

@ -425,6 +425,7 @@ static inline Standard_Integer IsCoincided (const gp_Pnt2d &p1, const gp_Pnt2d &
//function : GetPatchIndex
//purpose : auxilary
//=======================================================================
// computes index for the patch by given parameter Param
static Standard_Integer GetPatchIndex (const Standard_Real Param,
const Handle(TColStd_HArray1OfReal) &Params,
@ -450,7 +451,6 @@ static Standard_Integer GetPatchIndex (const Standard_Real Param,
return i - ishift * ( NP - 1 );
}
//=======================================================================
//function : LoadWires
//purpose :
@ -781,19 +781,6 @@ static void DefinePatch (ShapeFix_WireSegment &wire, const Standard_Integer code
}
}
//=======================================================================
//function : DefinePatchForWire
//purpose : auxilary
//=======================================================================
static void DefinePatchForWire(ShapeFix_WireSegment &wire, const Standard_Integer code,
const Standard_Boolean isCutByU, const Standard_Integer cutIndex)
{
for(Standard_Integer i = 1; i <= wire.NbEdges(); i++)
DefinePatch(wire,code,isCutByU,cutIndex,i);
}
//=======================================================================
//function : GetGridResolution
//purpose : auxilary
@ -1427,7 +1414,7 @@ Standard_Boolean ShapeFix_ComposeShell::SplitByLine (ShapeFix_WireSegment &wire,
if ( IntEdgePar.Length() <1 ) {
//pdn Defining position of wire. There is no intersection, so by any point.
DefinePatchForWire ( wire, firstCode, isCutByU, cutIndex );
//DefinePatchForWire ( wire, firstCode, isCutByU, cutIndex );
return Standard_False; //pdn ??
}
@ -1467,19 +1454,23 @@ Standard_Boolean ShapeFix_ComposeShell::SplitByLine (ShapeFix_WireSegment &wire,
j=i++;
}
}
//sequence of real codes for each segment
TColStd_SequenceOfInteger aNewSegCodes;
// Compute segment codes (left side of line, right or tangential)
for ( i=1; i <= IntEdgePar.Length(); i++ ) {
j = ( i < IntEdgePar.Length() ? i + 1 : 1 );
Standard_Integer code = ComputeCode ( sewd, line, IntEdgeInd(i), IntEdgeInd(j),
IntEdgePar(i), IntEdgePar(j),isnonmanifold );
IntEdgePar(i), IntEdgePar(j),isnonmanifold );
SegmentCodes.Append ( code );
}
// for EXTERNAL wire, i.e. another joint line, every point is double intersection
if ( wire.Orientation() == TopAbs_EXTERNAL ) {
for ( i=1; i <= IntEdgePar.Length(); i++ )
{
IntCode.Append ( ITP_TANG | IOR_BOTH );
aNewSegCodes.Append(SegmentCodes(i));
}
}
// For real (closed) wire, analyze tangencies
else {
@ -1508,7 +1499,6 @@ Standard_Boolean ShapeFix_ComposeShell::SplitByLine (ShapeFix_WireSegment &wire,
}
//pdn exit if all split points removed
if ( IntEdgePar.Length() <1 ) {
//DefinePatchForWire ( wire, firstCode, isCutByU, cutIndex );
return Standard_False; //pdn ??
}
@ -1517,15 +1507,22 @@ Standard_Boolean ShapeFix_ComposeShell::SplitByLine (ShapeFix_WireSegment &wire,
// beginning and end of tangential segment.
// Orientation (IOR) tells on which side of line edge crosses it
j = IntEdgePar.Length();
for ( i=1; i <= IntEdgePar.Length(); j = i++ ) {
Standard_Integer codej = SegmentCodes(j);
Standard_Integer codei = SegmentCodes(i);
if ( myClosedMode ) {
if ( ( codej & IOR_BOTH ) == IOR_BOTH ) //IOR_LEFT : IOR_RIGHT
codej = ( codej & IOR_POS ? IOR_RIGHT : IOR_LEFT );
if ( ( codei & IOR_BOTH ) == IOR_BOTH ) //IOR_RIGHT : IOR_LEFT
codei = ( codei & IOR_POS ? IOR_LEFT : IOR_RIGHT );
if ( ( codej & IOR_BOTH ) == IOR_BOTH ) //IOR_LEFT : IOR_RIGHT
codej = ( codej & IOR_POS ? IOR_RIGHT : IOR_LEFT );
if ( ( codei & IOR_BOTH ) == IOR_BOTH ) //IOR_RIGHT : IOR_LEFT
codei = ( codei & IOR_POS ? IOR_LEFT : IOR_RIGHT );
aNewSegCodes.Append ( codei );
if(IntEdgeInd(i) == IntEdgeInd(j))
aNewSegCodes.Append ( codej );
}
else
aNewSegCodes.Append ( codei );
Standard_Integer ipcode = ( codej | codei );
if ( codej == IOR_UNDEF ) { // previous segment was tangency
if ( IntLinePar(i) > IntLinePar (j) )
@ -1546,10 +1543,12 @@ Standard_Boolean ShapeFix_ComposeShell::SplitByLine (ShapeFix_WireSegment &wire,
}
//=======================================
// Split edges in the wire by intersection points and fill vertices array
TopTools_SequenceOfShape IntVertices;
wire = SplitWire ( wire, IntEdgeInd, IntEdgePar, IntVertices,
SegmentCodes, isCutByU, cutIndex );
aNewSegCodes, isCutByU, cutIndex );
// add all data to input arrays
for ( i=1; i <= IntLinePar.Length(); i++ ) {
@ -1683,15 +1682,20 @@ void ShapeFix_ComposeShell::SplitByLine (ShapeFix_SequenceOfWireSegment &wires,
// set patch indices
DefinePatch ( seg, IOR_UNDEF, isCutByU, cutIndex );
if ( ! isCutByU ) {
seg.DefineIUMin ( 1, GetPatchIndex ( SplitLinePar(i-1)+::Precision::PConfusion(),
myGrid->UJointValues(), myUClosed ) );
seg.DefineIUMax ( 1, GetPatchIndex ( SplitLinePar(i)-::Precision::PConfusion(),
Standard_Real shiftU =
(myClosedMode && myUClosed ? ShapeAnalysis::AdjustToPeriod(SplitLinePar(i-1) -TOLINT, myGrid->UJointValue(1), myGrid->UJointValue(2)) : 0.);
Standard_Real aPar = SplitLinePar(i-1) + shiftU;
seg.DefineIUMin ( 1, GetPatchIndex ( aPar+::Precision::PConfusion(), myGrid->UJointValues(), myUClosed ) );
seg.DefineIUMax ( 1, GetPatchIndex ( aPar-::Precision::PConfusion(),
myGrid->UJointValues(), myUClosed ) + 1 );
}
else {
seg.DefineIVMin ( 1, GetPatchIndex ( SplitLinePar(i-1)+::Precision::PConfusion(),
Standard_Real shiftV = (myClosedMode && myVClosed ? ShapeAnalysis::AdjustToPeriod(SplitLinePar(i-1) -TOLINT, myGrid->VJointValue(1), myGrid->VJointValue(2)) : 0.);
Standard_Real aPar = SplitLinePar(i-1) + shiftV;
seg.DefineIVMin ( 1, GetPatchIndex ( aPar+::Precision::PConfusion(),
myGrid->VJointValues(), myVClosed ) );
seg.DefineIVMax ( 1, GetPatchIndex ( SplitLinePar(i)-::Precision::PConfusion(),
seg.DefineIVMax ( 1, GetPatchIndex ( aPar-::Precision::PConfusion(),
myGrid->VJointValues(), myVClosed ) + 1 );
}
@ -1725,10 +1729,79 @@ void ShapeFix_ComposeShell::SplitByGrid (ShapeFix_SequenceOfWireSegment &seqw)
BRepTools::UVBounds(myFace,Uf,Ul,Vf,Vl);
Standard_Real Umin,Umax,Vmin,Vmax;
myGrid->Bounds(Umin,Umax,Vmin,Vmax);
Standard_Real pprec = ::Precision::PConfusion();
//value of precision to define number of patch should be the same as used in the definitin position of point realtively to seam edge (TOLINT)
Standard_Real pprec = TOLINT;//::Precision::PConfusion();
Standard_Integer i = 1;
if(myClosedMode)
{
//for closed mode when only one patch exist and location of the splitting line is coinsident with first joint value
//Therefore in this case it is necessary to move all wire segments in the range of the patch between first and last joint
//values. Then all wire segments are lie between -period and period in order to have valid split ranges after splitting.
//Because for closed mode cut index always equal to 1 and parts of segments after splitting always should have index either (0,1) or (1,2).
for ( i=1; i <= seqw.Length(); i++ )
{
ShapeFix_WireSegment &wire = seqw(i);
TopoDS_Shape atmpF = myFace.EmptyCopied();
BRep_Builder aB;
atmpF.Orientation(TopAbs_FORWARD);
aB.Add(atmpF, wire.WireData()->Wire());
Standard_Real Uf1,Ul1,Vf1,Vl1;
ShapeAnalysis::GetFaceUVBounds(TopoDS::Face(atmpF),Uf1,Ul1,Vf1,Vl1);
//for closed mode it is necessary to move wire segment in the interval defined by first and last grid UV values
Standard_Real shiftU = (myClosedMode && myUClosed ? ShapeAnalysis::AdjustToPeriod(Ul1 -pprec, myGrid->UJointValue(1), myGrid->UJointValue(2)) : 0.);
Standard_Real shiftV = (myClosedMode && myVClosed ? ShapeAnalysis::AdjustToPeriod(Vl1 -pprec, myGrid->VJointValue(1), myGrid->VJointValue(2)) : 0.);
Uf1 += shiftU;
Ul1 += shiftU;
Vf1 += shiftV;
Vl1 += shiftV;
// limit patch indices to be in range of grid (extended for periodic) (0, 2)
//in same cases for example trj4_pm2-ug-203.stp (entity #8024) wire in 2D space has length greater then period
Standard_Integer iumin = Max(0,GetPatchIndex ( Uf1+pprec, myGrid->UJointValues(), myUClosed ));
Standard_Integer iumax = GetPatchIndex ( Ul1-pprec, myGrid->UJointValues(), myUClosed ) + 1;
for ( Standard_Integer j=1; j <= wire.NbEdges(); j++ ) {
wire.DefineIUMin ( j, iumin );
wire.DefineIUMax ( j, iumax );
}
Standard_Integer ivmin = Max(0,GetPatchIndex ( Vf1+pprec, myGrid->VJointValues(), myVClosed ));
Standard_Integer ivmax = GetPatchIndex ( Vl1-pprec, myGrid->VJointValues(), myVClosed ) + 1;
for ( Standard_Integer j=1; j <= wire.NbEdges(); j++ ) {
wire.DefineIVMin ( j, ivmin );
wire.DefineIVMax ( j, ivmax );
}
}
}
else
{
// limit patch indices to be in range of grid (extended for periodic)
Standard_Integer iumin = GetPatchIndex ( Uf+pprec, myGrid->UJointValues(), myUClosed );
Standard_Integer iumax = GetPatchIndex ( Ul-pprec, myGrid->UJointValues(), myUClosed ) + 1;
for ( i=1; i <= seqw.Length(); i++ ) {
ShapeFix_WireSegment &wire = seqw(i);
for ( Standard_Integer j=1; j <= wire.NbEdges(); j++ ) {
wire.DefineIUMin ( j, iumin );
wire.DefineIUMax ( j, iumax );
}
}
Standard_Integer ivmin = GetPatchIndex ( Vf+pprec, myGrid->VJointValues(), myVClosed );
Standard_Integer ivmax = GetPatchIndex ( Vl-pprec, myGrid->VJointValues(), myVClosed ) + 1;
for ( i=1; i <= seqw.Length(); i++ ) {
ShapeFix_WireSegment &wire = seqw(i);
for ( Standard_Integer j=1; j <= wire.NbEdges(); j++ ) {
wire.DefineIVMin ( j, ivmin );
wire.DefineIVMax ( j, ivmax );
}
}
}
// split by u lines
Standard_Integer i; // svv #1
for ( i = ( myUClosed ? 1 : 2 ); i <= myGrid->NbUPatches(); i++ ) {
gp_Pnt2d pos ( myGrid->UJointValue(i), 0. ); // 0. - for infinite ranges: myGrid->VJointValue(1) ;
gp_Lin2d line ( pos, gp_Dir2d ( 0., 1. ) );
@ -1737,15 +1810,15 @@ void ShapeFix_ComposeShell::SplitByGrid (ShapeFix_SequenceOfWireSegment &seqw)
Standard_Real X = pos.X();
Standard_Real sh = ShapeAnalysis::AdjustToPeriod(X,Uf, Uf+period);
for( ; X+sh <= Ul+pprec; sh += period ) {
gp_Lin2d ln = line.Translated(gp_Vec2d(sh,0));
Standard_Integer cutIndex = GetPatchIndex ( X+sh+pprec, myGrid->UJointValues(), myUClosed );
SplitByLine ( seqw, ln, Standard_True, cutIndex );
gp_Lin2d ln = line.Translated(gp_Vec2d(sh,0));
Standard_Integer cutIndex = GetPatchIndex ( X+sh+pprec, myGrid->UJointValues(), myUClosed );
SplitByLine ( seqw, ln, Standard_True, cutIndex );
}
}
else
SplitByLine ( seqw, line, Standard_True, i );
}
// split by v lines
for ( i = ( myVClosed ? 1 : 2 ); i <= myGrid->NbVPatches(); i++ ) {
gp_Pnt2d pos ( 0., myGrid->VJointValue(i) );
@ -1755,34 +1828,15 @@ void ShapeFix_ComposeShell::SplitByGrid (ShapeFix_SequenceOfWireSegment &seqw)
Standard_Real Y = pos.Y();
Standard_Real sh = ShapeAnalysis::AdjustToPeriod(Y,Vf, Vf+period);
for( ; Y+sh <= Vl+pprec; sh += period) {
gp_Lin2d ln = line.Translated(gp_Vec2d(0,sh));
Standard_Integer cutIndex = GetPatchIndex ( Y+sh+pprec, myGrid->VJointValues(), myVClosed );
SplitByLine ( seqw, ln, Standard_False, cutIndex );
gp_Lin2d ln = line.Translated(gp_Vec2d(0,sh));
Standard_Integer cutIndex = GetPatchIndex ( Y+sh+pprec, myGrid->VJointValues(), myVClosed );
SplitByLine ( seqw, ln, Standard_False, cutIndex );
}
}
else
SplitByLine ( seqw, line, Standard_False, i );
}
// limit patch indices to be in range of grid (extended for periodic)
Standard_Integer iumin = GetPatchIndex ( Uf+pprec, myGrid->UJointValues(), myUClosed );
Standard_Integer iumax = GetPatchIndex ( Ul-pprec, myGrid->UJointValues(), myUClosed ) + 1;
for ( i=1; i <= seqw.Length(); i++ ) {
ShapeFix_WireSegment &wire = seqw(i);
for ( Standard_Integer j=1; j <= wire.NbEdges(); j++ ) {
wire.DefineIUMin ( j, iumin );
wire.DefineIUMax ( j, iumax );
}
}
Standard_Integer ivmin = GetPatchIndex ( Vf+pprec, myGrid->VJointValues(), myVClosed );
Standard_Integer ivmax = GetPatchIndex ( Vl-pprec, myGrid->VJointValues(), myVClosed ) + 1;
for ( i=1; i <= seqw.Length(); i++ ) {
ShapeFix_WireSegment &wire = seqw(i);
for ( Standard_Integer j=1; j <= wire.NbEdges(); j++ ) {
wire.DefineIVMin ( j, ivmin );
wire.DefineIVMax ( j, ivmax );
}
}
}
@ -2037,15 +2091,15 @@ void ShapeFix_ComposeShell::CollectWires (ShapeFix_SequenceOfWireSegment &wires,
if ( anOr == TopAbs_FORWARD ) reverse = Standard_True;
index = i;
seg.GetPatchIndex ( 1, iumin, iumax, ivmin, ivmax );
misoriented = Standard_False;
dsu = dsv = 0.;
break;
}
// check whether current segment is on the same patch with previous
Standard_Integer sp = ( myClosedMode || // no indexation in closed mode
IsSamePatch ( seg, myGrid->NbUPatches(), myGrid->NbVPatches(),
iumin, iumax, ivmin, ivmax ) );
Standard_Integer sp = IsSamePatch ( seg, myGrid->NbUPatches(), myGrid->NbVPatches(),
iumin, iumax, ivmin, ivmax );
// not same patch has lowest priority
if ( ! sp && ( canBeClosed || ( index && samepatch ) ) ) continue;
@ -2151,7 +2205,13 @@ void ShapeFix_ComposeShell::CollectWires (ShapeFix_SequenceOfWireSegment &wires,
else if ( samepatch ) { // extend patch indices
IsSamePatch ( seg, myGrid->NbUPatches(), myGrid->NbVPatches(),
iumin, iumax, ivmin, ivmax, Standard_True );
}
}
//for closed mode in case if current segment is seam segment it is necessary to detect crossing seam edge
//in order to have possibility to take candidate from other patch
if(myClosedMode )
seg.GetPatchIndex ( 1, iumin, iumax, ivmin, ivmax );
// TopAbs_Orientation or = seg.Orientation();
if ( ! reverse ) sbwd->Add ( seg.WireData() );
else {

11
tests/bugs/heal/bug26708 Normal file
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@ -0,0 +1,11 @@
puts "========================"
puts "Bug #26708"
puts "========================"
brestore [locate_data_file bug26708_a_205.brep] face
fixshape result face 1e-7 1
checkshape result
checknbshapes result -face 1
set 2dviewer 1

6
tests/de/step_3/D8
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@ -1,5 +1,5 @@
# !!!! This file is generated automatically, do not edit manually! See end script
puts "TODO CR25013 Linux: Error : 1 differences with reference data found"
puts "TODO OCC26973 Windows: Error : 1 differences with reference data found"
set filename trj6_pm4-hc-214.stp
@ -7,9 +7,9 @@ set ref_data {
DATA : Faulties = 0 ( 20 ) Warnings = 0 ( 60 ) Summary = 0 ( 80 )
TPSTAT : Faulties = 0 ( 0 ) Warnings = 21 ( 557 ) Summary = 21 ( 557 )
CHECKSHAPE : Wires = 0 ( 0 ) Faces = 0 ( 0 ) Shells = 0 ( 0 ) Solids = 0 ( 0 )
NBSHAPES : Solid = 98 ( 98 ) Shell = 98 ( 98 ) Face = 1506 ( 1506 ) Summary = 9262 ( 9257 )
NBSHAPES : Solid = 98 ( 98 ) Shell = 98 ( 98 ) Face = 1506 ( 1506 ) Summary = 9261 ( 9257 )
STATSHAPE : Solid = 272 ( 272 ) Shell = 272 ( 272 ) Face = 3216 ( 3216 ) FreeWire = 0 ( 0 ) FreeEdge = 0 ( 0 ) SharedEdge = 3315 ( 3311 )
TOLERANCE : MaxTol = 0.9562231856 ( 3.3196868 ) AvgTol = 0.0007127405962 ( 0.003722159881 )
TOLERANCE : MaxTol = 0.9562231856 ( 3.3196868 ) AvgTol = 0.0007127401639 ( 0.003722159846 )
LABELS : N0Labels = 230 ( 230 ) N1Labels = 1909 ( 1909 ) N2Labels = 0 ( 0 ) TotalLabels = 2139 ( 2139 ) NameLabels = 633 ( 633 ) ColorLabels = 1506 ( 1506 ) LayerLabels = 0 ( 0 )
PROPS : Centroid = 98 ( 98 ) Volume = 98 ( 98 ) Area = 98 ( 98 )
NCOLORS : NColors = 6 ( 6 )

13
tests/de/step_4/H1
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@ -1,16 +1,13 @@
# !!!! This file is generated automatically, do not edit manually! See end script
puts "TODO CR23096 ALL: CHECKSHAPE : Faulty"
set filename Inventor_Engine.stp
set ref_data {
DATA : Faulties = 0 ( 0 ) Warnings = 0 ( 0 ) Summary = 0 ( 0 )
TPSTAT : Faulties = 0 ( 0 ) Warnings = 448 ( 560 ) Summary = 448 ( 560 )
CHECKSHAPE : Wires = 9 ( 6 ) Faces = 9 ( 6 ) Shells = 0 ( 0 ) Solids = 0 ( 0 )
NBSHAPES : Solid = 47 ( 47 ) Shell = 47 ( 47 ) Face = 4455 ( 4455 ) Summary = 27804 ( 27803 )
STATSHAPE : Solid = 80 ( 80 ) Shell = 80 ( 80 ) Face = 5359 ( 5359 ) FreeWire = 0 ( 0 ) FreeEdge = 0 ( 0 ) SharedEdge = 11467 ( 11467 )
TOLERANCE : MaxTol = 2.429208989 ( 2.450580634 ) AvgTol = 0.003235414897 ( 0.002917423634 )
TPSTAT : Faulties = 0 ( 0 ) Warnings = 456 ( 560 ) Summary = 456 ( 560 )
CHECKSHAPE : Wires = 6 ( 6 ) Faces = 6 ( 6 ) Shells = 0 ( 0 ) Solids = 0 ( 0 )
NBSHAPES : Solid = 47 ( 47 ) Shell = 47 ( 47 ) Face = 4454 ( 4454 ) Summary = 27812 ( 27811 )
STATSHAPE : Solid = 80 ( 80 ) Shell = 80 ( 80 ) Face = 5356 ( 5356 ) FreeWire = 0 ( 0 ) FreeEdge = 0 ( 0 ) SharedEdge = 11472 ( 11473 )
TOLERANCE : MaxTol = 2.37122237 ( 2.449305641 ) AvgTol = 0.002570900495 ( 0.002589625201 )
LABELS : N0Labels = 52 ( 52 ) N1Labels = 86 ( 86 ) N2Labels = 0 ( 0 ) TotalLabels = 138 ( 138 ) NameLabels = 136 ( 136 ) ColorLabels = 47 ( 47 ) LayerLabels = 0 ( 0 )
PROPS : Centroid = 0 ( 0 ) Volume = 0 ( 0 ) Area = 0 ( 0 )
NCOLORS : NColors = 11 ( 11 )

12
tests/de/step_5/A1
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@ -1,15 +1,13 @@
# !!!! This file is generated automatically, do not edit manually! See end script
set filename Z8INV5.stp
set ref_data {
DATA : Faulties = 0 ( 0 ) Warnings = 0 ( 0 ) Summary = 0 ( 0 )
TPSTAT : Faulties = 0 ( 0 ) Warnings = 114 ( 619 ) Summary = 114 ( 619 )
CHECKSHAPE : Wires = 17 ( 17 ) Faces = 18 ( 20 ) Shells = 1 ( 1 ) Solids = 0 ( 0 )
NBSHAPES : Solid = 22 ( 22 ) Shell = 24 ( 24 ) Face = 1520 ( 1520 ) Summary = 11210 ( 11195 )
STATSHAPE : Solid = 22 ( 22 ) Shell = 24 ( 24 ) Face = 1520 ( 1520 ) FreeWire = 0 ( 0 ) FreeEdge = 0 ( 0 ) SharedEdge = 4784 ( 4774 )
TOLERANCE : MaxTol = 7.33063502 ( 7.159520237 ) AvgTol = 0.03499829069 ( 0.03222638333 )
TPSTAT : Faulties = 0 ( 0 ) Warnings = 122 ( 622 ) Summary = 122 ( 622 )
CHECKSHAPE : Wires = 19 ( 19 ) Faces = 19 ( 21 ) Shells = 1 ( 1 ) Solids = 0 ( 0 )
NBSHAPES : Solid = 22 ( 22 ) Shell = 24 ( 24 ) Face = 1520 ( 1520 ) Summary = 11231 ( 11206 )
STATSHAPE : Solid = 22 ( 22 ) Shell = 24 ( 24 ) Face = 1520 ( 1520 ) FreeWire = 0 ( 0 ) FreeEdge = 0 ( 0 ) SharedEdge = 4797 ( 4781 )
TOLERANCE : MaxTol = 7.159520237 ( 15.55113015 ) AvgTol = 0.03830637421 ( 0.03863233285 )
LABELS : N0Labels = 25 ( 25 ) N1Labels = 23 ( 23 ) N2Labels = 0 ( 0 ) TotalLabels = 48 ( 48 ) NameLabels = 48 ( 48 ) ColorLabels = 0 ( 0 ) LayerLabels = 0 ( 0 )
PROPS : Centroid = 0 ( 0 ) Volume = 0 ( 0 ) Area = 0 ( 0 )
NCOLORS : NColors = 0 ( 0 )