BOPAlgo_PaveFiller::PerformEE - Consider the IsOnPave check satisfying for vertex creation and remove other checks.

BOPTools_AlgoTools3D::PointInFace - Making the method more robust by checking more hatching lines.

src/BOPAlgo/BOPAlgo_PaveFiller_3.cxx

@@ -399,46 +399,7 @@ void BOPAlgo_PaveFiller::PerformEE()
               aTolVnew = aTolMin;
             }
           }
-          // <-LXBR
-          {
-            Standard_Integer nVS[2], iFound;
-            Standard_Real aTolVx, aD2, aDT2;
-            TColStd_MapOfInteger aMV;
-            gp_Pnt aPx;
-            //
-            iFound=0;
-            j=-1;
-            aMV.Add(nV[0]);
-            aMV.Add(nV[1]);
-            //
-            if (aMV.Contains(nV[2])) {
-              ++j;
-              nVS[j]=nV[2];
-            }
-            if (aMV.Contains(nV[3])) {
-              ++j;
-              nVS[j]=nV[3];
-            }
-            //
-            for (Standard_Integer k1=0; k1<=j; ++k1) {
-              const TopoDS_Vertex& aVx= *(TopoDS_Vertex*)&(myDS->Shape(nVS[k1]));
-              aTolVx=BRep_Tool::Tolerance(aVx);
-              aPx=BRep_Tool::Pnt(aVx);
-              aD2=aPnew.SquareDistance(aPx);
-              //
-              aDT2=100.*(aTolVnew+aTolVx)*(aTolVnew+aTolVx);
-              //
-              if (aD2<aDT2) {
-                iFound=1;
-                break;
-              }
-            }
-            //
-            if (iFound) {
-              continue;
-            }
-          }
-          //
+
           // 1
           BOPDS_InterfEE& aEE=aEEs.Appended();
           iX=aEEs.Length()-1;

src/BOPTools/BOPTools_AlgoTools3D.cxx

@@ -785,30 +785,55 @@ Standard_Integer BOPTools_AlgoTools3D::PointInFace
    gp_Pnt2d& theP2D,
    const Handle(IntTools_Context)& theContext)
 {
-  Standard_Integer i, iErr = 1;
-  Standard_Real aUMin, aUMax, aVMin, aVMax, aUx;
-  //
+  // Error status
+  Standard_Integer iErr = 1;
+
+  // Get UV bounds of the face
+  Standard_Real aUMin, aUMax, aVMin, aVMax;
   theContext->UVBounds(theF, aUMin, aUMax, aVMin, aVMax);
-  //
-  gp_Dir2d aD2D(0. , 1.);
-  aUx = IntTools_Tools::IntermediatePoint(aUMin, aUMax);
-  //
-  for (i = 0; i < 2; ++i) {
-    gp_Pnt2d aP2D(aUx, 0.);
+
+  // Middle point of the 2d bounding box of the face
+  Standard_Real aUx = IntTools_Tools::IntermediatePoint(aUMin, aUMax),
+                aVx = IntTools_Tools::IntermediatePoint(aVMin, aVMax);
+
+  for (Standard_Integer i = 0; i < 4; ++i)
+  {
+    // Point to start the hatching line
+    gp_Pnt2d aP2D(aUx, aVx);
+    // Direction for the hatching line
+    gp_Dir2d aD2D  = (i < 2) ? gp::DY2d() : gp::DX2d();
     Handle(Geom2d_Line) aL2D = new Geom2d_Line (aP2D, aD2D);
     iErr = BOPTools_AlgoTools3D::PointInFace
       (theF, aL2D, theP, theP2D, theContext);
-    if (iErr == 0) {
+    if (iErr == 0)
       // done
-      break;
-    }
-    else {
-      // possible reason - incorrect computation of the 2d box of the face.
-      // try to compute the point with the translated line.
-      aUx = aUMax - (aUx - aUMin);
+      return iErr;
+    else
+    {
+      // Possible reason - incorrect computation of the 2d box of the face.
+      // Try to compute the point with the translated line.
+      if (i < 2)
+        aUx = aUMax - (aUx - aUMin);
+      else
+        aVx = aVMax - (aVx - aVMin);
     }
   }
-  //
+
+  // The tries to find the point using the hatching line passing through
+  // the middle of the bounding box of the face have failed.
+  // Try to start hatching line at the middle of the edges of the face.
+  TopExp_Explorer anExpE(theF, TopAbs_EDGE);
+  for (; anExpE.More(); anExpE.Next())
+  {
+    const TopoDS_Edge& aE = TopoDS::Edge(anExpE.Current());
+    Standard_Real aT1, aT2;
+    BRep_Tool::Range(aE, aT1, aT2);
+    iErr = BOPTools_AlgoTools3D::PointInFace
+      (theF, aE, 0.5 * (aT1 + aT2), 0.0, theP, theP2D, theContext);
+    if (iErr == 0)
+      return iErr;
+  }
+
   return iErr;
 }
 //=======================================================================

tests/bugs/modalg_7/bug30010_1

@@ -0,0 +1,38 @@
+puts "TODO CR29596 All: Intersection of pair of shapes has failed"
+puts "TODO CR30010 All: Error : The area of result shape is"
+puts "TODO CR30010 All: Error :  is WRONG because number of"
+
+puts "========"
+puts "OCC29900: Invalid result of FUSE operation"
+puts "========"
+puts ""
+
+cpulimit 3000
+
+brestore [locate_data_file bug30010_Eckardt_Run_28_1.brep] s1
+brestore [locate_data_file bug30010_Eckardt_Run_28_2.brep] s2
+
+bdrawwarnshapes 1
+bnondestructive 1
+bfuzzyvalue 0.0
+brunparallel 1
+
+bclearobjects
+bcleartools
+baddobjects s1
+baddtools s2
+bfillds
+bbop result 1
+
+checkshape result
+checknbshapes result -shell 1 -solid 1
+checkprops result -s 176281 -v 1.47407e+006
+
+incmesh result 0.01
+if {[tricheck result] != ""} {
+  puts "Error: Meshing not done"
+}
+
+boptions -default
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png

tests/bugs/modalg_7/bug30010_2

@@ -0,0 +1,36 @@
+puts "TODO CR29596 All: Intersection of pair of shapes has failed"
+
+puts "========"
+puts "OCC29900: Invalid result of FUSE operation"
+puts "========"
+puts ""
+
+cpulimit 3000
+
+brestore [locate_data_file bug30010_Eckardt_Run_31_1.brep] s1
+brestore [locate_data_file bug30010_Eckardt_Run_31_2.brep] s2
+
+bdrawwarnshapes 1
+bnondestructive 1
+bfuzzyvalue 0.0
+brunparallel 1
+
+bclearobjects
+bcleartools
+baddobjects s1
+baddtools s2
+bfillds
+bbop result 1
+
+checkshape result
+checknbshapes result -wire 44 -face 44 -shell 1 -solid 1
+checkprops result -s 153019 -v 1.16027e+006
+
+incmesh result 0.01
+if {[tricheck result] != ""} {
+  puts "Error: Meshing not done"
+}
+
+boptions -default
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png

tests/bugs/modalg_7/bug30010_3

@@ -0,0 +1,40 @@
+puts "TODO CR29596 All: Intersection of pair of shapes has failed"
+puts "TODO CR30010 All: Error :  is WRONG because number of"
+puts "TODO CR30010 All: Warning: Building 2D curve of edge on face has failed"
+puts "TODO CR30010 All: Error: Meshing not done"
+puts "TODO CR30010 All: Error : The area of result shape is"
+
+puts "========"
+puts "OCC29900: Invalid result of FUSE operation"
+puts "========"
+puts ""
+
+cpulimit 3000
+
+brestore [locate_data_file bug30010_Eckardt_Run_32_1.brep] s1
+brestore [locate_data_file bug30010_Eckardt_Run_32_2.brep] s2
+
+bdrawwarnshapes 1
+bnondestructive 1
+bfuzzyvalue 0.0
+brunparallel 1
+
+bclearobjects
+bcleartools
+baddobjects s1
+baddtools s2
+bfillds
+bbop result 1
+
+checkshape result
+checknbshapes result -wire 49 -face 49 -shell 1 -solid 1
+checkprops result -s 163660 -v 1.2937e+006
+
+incmesh result 0.01
+if {[tricheck result] != ""} {
+  puts "Error: Meshing not done"
+}
+
+boptions -default
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png

tests/bugs/modalg_7/bug30010_4

@@ -0,0 +1,39 @@
+puts "TODO CR29596 All: Intersection of pair of shapes has failed"
+puts "TODO CR30010 All: Error :  is WRONG because number of"
+puts "TODO CR30010 All: Error: Meshing not done"
+puts "TODO CR30010 All: Faulty shapes in variables faulty_1 to faulty_"
+
+puts "========"
+puts "OCC29900: Invalid result of FUSE operation"
+puts "========"
+puts ""
+
+cpulimit 3000
+
+brestore [locate_data_file bug30010_bigFillet_Run_12_1.brep] s1
+brestore [locate_data_file bug30010_bigFillet_Run_12_2.brep] s2
+
+bdrawwarnshapes 1
+bnondestructive 1
+bfuzzyvalue 0.0
+brunparallel 1
+
+bclearobjects
+bcleartools
+baddobjects s1
+baddtools s2
+bfillds
+bbop result 1
+
+checkshape result
+checknbshapes result -wire 80 -face 80 -shell 1 -solid 1
+checkprops result -s 131053 -v 1.23621e+006
+
+incmesh result 0.01
+if {[tricheck result] != ""} {
+  puts "Error: Meshing not done"
+}
+
+boptions -default
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png

tests/bugs/modalg_7/bug30010_5

@@ -0,0 +1,36 @@
+puts "TODO CR29596 All: Intersection of pair of shapes has failed"
+
+puts "========"
+puts "OCC29900: Invalid result of FUSE operation"
+puts "========"
+puts ""
+
+cpulimit 3000
+
+brestore [locate_data_file bug30010_bigFillet_Run_16_1.brep] s1
+brestore [locate_data_file bug30010_bigFillet_Run_16_2.brep] s2
+
+bdrawwarnshapes 1
+bnondestructive 1
+bfuzzyvalue 0.0
+brunparallel 1
+
+bclearobjects
+bcleartools
+baddobjects s1
+baddtools s2
+bfillds
+bbop result 1
+
+checkshape result
+checknbshapes result -wire 78 -face 78 -shell 1 -solid 1
+checkprops result -s 131726 -v 1.22931e+006
+
+incmesh result 0.01
+if {[tricheck result] != ""} {
+  puts "Error: Meshing not done"
+}
+
+boptions -default
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png

tests/bugs/modalg_7/bug30010_6a

@@ -0,0 +1,38 @@
+puts "TODO CR29596 All: Intersection of pair of shapes has failed"
+puts "TODO CR30010 All: Error : The area of result shape is"
+puts "TODO CR30010 All: Error :  is WRONG because number of"
+
+puts "========"
+puts "OCC29900: Invalid result of FUSE operation"
+puts "========"
+puts ""
+
+cpulimit 3000
+
+brestore [locate_data_file bug30010_Eckardt_Run_20_1.brep] s1
+brestore [locate_data_file bug30010_Eckardt_Run_20_2.brep] s2
+
+bdrawwarnshapes 1
+bnondestructive 1
+bfuzzyvalue 0.0
+brunparallel 1
+
+bclearobjects
+bcleartools
+baddobjects s1
+baddtools s2
+bfillds
+bbop result 1
+
+checkshape result
+checknbshapes result -shell 1 -solid 1
+checkprops result -s 0 -v 1.07073e+006
+
+incmesh result 0.01
+if {[tricheck result] != ""} {
+  puts "Error: Meshing not done"
+}
+
+boptions -default
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png

tests/bugs/modalg_7/bug30010_6b

@@ -0,0 +1,42 @@
+puts "TODO CR29596 All: Intersection of pair of shapes has failed"
+puts "TODO CR30010 All: Error : The area of result shape is"
+puts "TODO CR30010 All: Error :  is WRONG because number of"
+puts "TODO CR30010 All: Error: Meshing not done"
+
+puts "========"
+puts "OCC29900: Invalid result of FUSE operation"
+puts "========"
+puts ""
+
+cpulimit 3000
+
+brestore [locate_data_file bug30010_Eckardt_Run_20_1.brep] s1
+brestore [locate_data_file bug30010_Eckardt_Run_20_2.brep] s2
+
+breducetolerance s1
+breducetolerance s2
+
+bdrawwarnshapes 1
+bnondestructive 1
+bfuzzyvalue 0.0
+brunparallel 1
+
+bclearobjects
+bcleartools
+baddobjects s1
+baddtools s2
+bfillds
+bbop result 1
+
+checkshape result
+checknbshapes result -wire 59 -face 59 -shell 1 -solid 1
+checkprops result -s 0 -v 1.07073e+006
+
+incmesh result 0.01
+if {[tricheck result] != ""} {
+  puts "Error: Meshing not done"
+}
+
+boptions -default
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png

tests/bugs/modalg_7/bug30010_7

@@ -0,0 +1,36 @@
+puts "TODO CR29596 All: Intersection of pair of shapes has failed"
+
+puts "========"
+puts "OCC29900: Invalid result of FUSE operation"
+puts "========"
+puts ""
+
+cpulimit 3000
+
+brestore [locate_data_file bug30010_Eckardt_Run_27_1.brep] s1
+brestore [locate_data_file bug30010_Eckardt_Run_27_2.brep] s2
+
+bdrawwarnshapes 1
+bnondestructive 1
+bfuzzyvalue 0.0
+brunparallel 1
+
+bclearobjects
+bcleartools
+baddobjects s1
+baddtools s2
+bfillds
+bbop result 1
+
+checkshape result
+checknbshapes result -wire 48 -face 48 -shell 1 -solid 1
+checkprops result -s 162464 -v 1.30125e+006
+
+incmesh result 0.01
+if {[tricheck result] != ""} {
+  puts "Error: Meshing not done"
+}
+
+boptions -default
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png

tests/bugs/modalg_7/bug30010_8

@@ -0,0 +1,37 @@
+puts "TODO CR29596 All: Intersection of pair of shapes has failed"
+puts "TODO CR26106 All: Error: Meshing not done"
+
+puts "========"
+puts "OCC29900: Invalid result of FUSE operation"
+puts "========"
+puts ""
+
+cpulimit 3000
+
+brestore [locate_data_file bug30010_Eckardt_Run_29_1.brep] s1
+brestore [locate_data_file bug30010_Eckardt_Run_29_2.brep] s2
+
+bdrawwarnshapes 1
+bnondestructive 1
+bfuzzyvalue 0.0
+brunparallel 1
+
+bclearobjects
+bcleartools
+baddobjects s1
+baddtools s2
+bfillds
+bbop result 1
+
+checkshape result
+checknbshapes result -wire 51 -face 51 -shell 1 -solid 1
+checkprops result -s 194270 -v 1.70455e+006
+
+incmesh result 0.01
+if {[tricheck result] != ""} {
+  puts "Error: Meshing not done"
+}
+
+boptions -default
+
+checkview -display result -2d -path ${imagedir}/${test_image}.png