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Added countMultipleIntersections to help with debugging.

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This commit is contained in:
Robert Osfield
2005-09-19 13:15:59 +00:00
parent 3a1ce55de6
commit ea1ea88a17
1 changed files with 44 additions and 2 deletions
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46
src/osgSim/SphereSegment.cpp
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@@ -1383,7 +1383,7 @@ struct TriangleIntersectOperator
if (region._topSurface == Region::INTERSECTS) ++_intersects_topSurface;
}
Region::Classification overallClassification()
Region::Classification overallClassification() const
{
// if all vertices are outside any of the surfaces then we are completely outside
if (_outside_radiusSurface==_numVertices ||
@@ -1401,6 +1401,17 @@ struct TriangleIntersectOperator
return Region::INTERSECTS;
}
int numberOfIntersectingSurfaces() const
{
int sidesThatIntersect = 0;
if (_outside_radiusSurface!=_numVertices && _inside_radiusSurface!=_numVertices) ++sidesThatIntersect;
if (_outside_leftSurface!=_numVertices && _inside_leftSurface!=_numVertices) ++sidesThatIntersect;
if (_outside_rightSurface!=_numVertices && _inside_rightSurface!=_numVertices) ++sidesThatIntersect;
if (_outside_topSurface!=_numVertices && _inside_topSurface!=_numVertices) ++sidesThatIntersect;
if (_outside_bottomSurface!=_numVertices && _inside_bottomSurface!=_numVertices) ++sidesThatIntersect;
return sidesThatIntersect;
}
unsigned int _numVertices;
unsigned int _outside_radiusSurface;
@@ -1661,7 +1672,36 @@ struct TriangleIntersectOperator
return edge;
}
}
void countMultipleIntersections() const
{
osg::notify(osg::NOTICE)<<"countMultipleIntersections("<<std::endl;
int numZero = 0;
int numOne = 0;
int numTwo = 0;
int numMore = 0;
for(TriangleArray::const_iterator itr = _triangles.begin();
itr != _triangles.end();
++itr)
{
const Triangle* tri = itr->get();
RegionCounter rc;
rc.add(_regions[tri->_p1]);
rc.add(_regions[tri->_p2]);
rc.add(_regions[tri->_p3]);
int numIntersections = rc.numberOfIntersectingSurfaces();
if (numIntersections==0) ++numZero;
else if (numIntersections==1) ++numOne;
else if (numIntersections==2) ++numTwo;
else if (numIntersections>=3) ++numMore;
}
osg::notify(osg::NOTICE)<<" numZero "<<numZero<<std::endl;
osg::notify(osg::NOTICE)<<" numOne "<<numOne<<std::endl;
osg::notify(osg::NOTICE)<<" numTwo "<<numTwo<<std::endl;
osg::notify(osg::NOTICE)<<" numMore "<<numMore<<std::endl;
}
void connectIntersections(EdgeList& hitEdges)
{
osg::notify(osg::NOTICE)<<"Number of edge intersections "<<hitEdges.size()<<std::endl;
@@ -2105,5 +2145,7 @@ SphereSegment::LineList SphereSegment::computeIntersection(const osg::Matrixd& m
tif.computeIntersections(ElevationIntersector(tif,_elevMin));
tif.computeIntersections(ElevationIntersector(tif,_elevMax));
tif.countMultipleIntersections();
return tif._generatedLines;
}