virtual void apply(osg::Vec3dArray& array)
{
if (_pointList.size()!=array.size()) return;
for(unsigned int i=0;i<_pointList.size();++i)
{
_pointList[i] = new EdgeCollector::Point;
_pointList[i]->_index = i;
_pointList[i]->_vertex = array[i];
}
}
bool
BoundaryUtil::simpleBoundaryTest(const osg::Vec3dArray& boundary)
{
osg::ref_ptr<osgEarth::Symbology::Polygon> boundsPoly = new osgEarth::Symbology::Polygon();
for (int i=0; i < (int)boundary.size(); i++)
boundsPoly->push_back(boundary[i]);
osgEarth::Bounds boundsBounds = boundsPoly->getBounds();
osg::ref_ptr<osgEarth::Symbology::Polygon> outterPoly = new osgEarth::Symbology::Polygon();
outterPoly->push_back(osg::Vec3d(boundsBounds.xMin() - 10.0, boundsBounds.yMin() - 10.0, boundsBounds.zMin()));
outterPoly->push_back(osg::Vec3d(boundsBounds.xMax() + 10.0, boundsBounds.yMin() - 10.0, boundsBounds.zMin()));
outterPoly->push_back(osg::Vec3d(boundsBounds.xMax() + 10.0, boundsBounds.yMax() + 10.0, boundsBounds.zMin()));
outterPoly->push_back(osg::Vec3d(boundsBounds.xMin() - 10.0, boundsBounds.yMax() + 10.0, boundsBounds.zMin()));
osg::ref_ptr<osgEarth::Symbology::Geometry> outPoly;
return outterPoly->difference(boundsPoly, outPoly);
}