Changeset 681

Timestamp:

03/08/06 08:36:06 (18 years ago)

Author:

mattausch

Message:

debug version

Location:

GTP/trunk/Lib/Vis/Preprocessing/src

Files:

• ViewCellBsp.cpp (modified) (5 diffs)
• ViewCellsManager.cpp (modified) (1 diff)

GTP/trunk/Lib/Vis/Preprocessing/src/ViewCellBsp.cpp

@@ -3027 +3027 @@
         planePoly = SplitPolygon(planePoly, epsilon);
 
+        bool splitsGeom = (planePoly != NULL)
+
+
         //-- new polygon splits all other polygons
         for (int i = 0; i < (int)mPolys.size()/* && planePoly*/; ++ i)
@@ -3056 +3059 @@
                                         else
                                         {
-                                                Debug << "no f! " << endl;
+                                                //Debug << "no f! " << endl;
                                                 DEL_PTR(frontPoly);
                                         }
@@ -3066 +3069 @@
                                         else
                                         {
-                                                Debug << "no b! " << endl;
+                                                //Debug << "no b! " << endl;
                                                 DEL_PTR(backPoly);
                                         }
@@ -3073 +3076 @@
                                 break;
                         case Polygon3::BACK_SIDE:
-                
                                 back.Add(new Polygon3(mPolys[i]->mVertices), mPlanes[i]);
                                 break;
                         case Polygon3::FRONT_SIDE:
-
                                 front.Add(new Polygon3(mPolys[i]->mVertices), mPlanes[i]);
                                 break;
                         // only put into back container (split should have no effect ...)
                         case Polygon3::COINCIDENT:
-
-                                back.Add(new Polygon3(mPolys[i]->mVertices), mPlanes[i]);
-                                //front.Add(CreateReversePolygon(mPolys[i]), mPlanes[i]);
+                                Debug << "error should not come here" << endl;
+                                splitsGeom = false;
+
+                                if (DotProd(mPlanes[i].mNormal,  splitPlane.mNormal > 0))
+                                        back.Add(new Polygon3(mPolys[i]->mVertices), mPlanes[i]);
+                                else
+                    front.Add(new Polygon3(mPolys[i]->mVertices), mPlanes[i]);
                                 break;
                         default:
@@ -3102 +3107 @@
                 reversePlane.ReverseOrientation();
                 front.Add(planePoly->CreateReversePolygon(), reversePlane);
-                //front.mPolys.push_back(planePoly->CreateReversePolygon());
-                Debug << "plane poly!" << endl;
-        }
-        else
-                Debug << "no plane poly!" << endl;
-
-        return planePoly != NULL;
+        }
+
+
+        return splitsGeom;
 }
 

GTP/trunk/Lib/Vis/Preprocessing/src/ViewCellsManager.cpp

@@ -1707 +1707 @@
         if (clipPlane)
         {
-                BspNodeGeometry front;
-                BspNodeGeometry back;
-
-                geom.SplitGeometry(front,
-                                                   back,
-                                                   *clipPlane,
-                                                   mViewSpaceBox, 
-                                                   0.0001f);
-
-                if (back.Size() >= 3)
-                        exporter->ExportPolygons(back.GetPolys());
+                const int cf = Polygon3::ClassifyPlane(geom.GetPolys(), *clipPlane, 0.0001f);
+
+                if (cf == Polygon3::BACK_SIDE)
+                {
+                        exporter->ExportPolygons(geom.GetPolys());
+                }
+                else if (cf == Polygon3::SPLIT)
+                {
+                        BspNodeGeometry front;
+                        BspNodeGeometry back;
+
+                        geom.SplitGeometry(front,
+                                                           back,
+                                                           *clipPlane,
+                                                           mViewSpaceBox, 
+                                                           0.0001f);
+
+                        if (back.Valid())
+                                exporter->ExportPolygons(back.GetPolys());
+                }
         }
         else
         {
-                
                 exporter->ExportPolygons(geom.GetPolys());
         }