void ViewProviderMeshNode::showOpenEdges(bool show)
{
#if 1
if ( show ) {
pcOpenEdge = new SoSeparator();
pcOpenEdge->addChild(pcLineStyle);
pcOpenEdge->addChild(pOpenColor);
const Mesh::Feature* meshFeature = dynamic_cast<Mesh::Feature*>(pcObject);
MeshGui::SoFCMeshOpenEdge* mesh = new MeshGui::SoFCMeshOpenEdge();
mesh->setMesh(meshFeature->Mesh.getValuePtr());
pcOpenEdge->addChild(mesh);
// add to the highlight node
pcHighlight->addChild(pcOpenEdge);
} else if (pcOpenEdge) {
// remove the node and destroy the data
pcHighlight->removeChild(pcOpenEdge);
pcOpenEdge = 0;
}
#else
if ( show ) {
pcOpenEdge = new SoSeparator();
pcOpenEdge->addChild(pcLineStyle);
pcOpenEdge->addChild(pOpenColor);
SoCoordinate3* points = new SoCoordinate3();
pcOpenEdge->addChild(points);
SoLineSet* lines = new SoLineSet();
pcOpenEdge->addChild(lines);
// add to the highlight node
pcHighlight->addChild(pcOpenEdge);
// Build up the array of border points
int index=0;
const MeshCore::MeshKernel& rMesh = dynamic_cast<Mesh::Feature*>(pcObject)->getMesh();
const MeshCore::MeshFacetArray& rFaces = rMesh.GetFacets();
const MeshCore::MeshPointArray& rPoint = rMesh.GetPoints();
// Count number of open edges first
int ctEdges=0;
for ( MeshCore::MeshFacetArray::_TConstIterator jt = rFaces.begin(); jt != rFaces.end(); ++jt ) {
for ( int i=0; i<3; i++ ) {
if ( jt->_aulNeighbours[i] == ULONG_MAX ) {
ctEdges++;
}
}
}
// disable internal notification for speedup
points->enableNotify(false);
lines->enableNotify(false);
points->point.setNum(2*ctEdges);
lines->numVertices.setNum(ctEdges);
for ( MeshCore::MeshFacetArray::_TConstIterator it = rFaces.begin(); it != rFaces.end(); ++it ) {
for ( int i=0; i<3; i++ ) {
if ( it->_aulNeighbours[i] == ULONG_MAX ) {
const MeshCore::MeshPoint& cP0 = rPoint[it->_aulPoints[i]];
const MeshCore::MeshPoint& cP1 = rPoint[it->_aulPoints[(i+1)%3]];
points->point.set1Value(index++, cP0.x, cP0.y, cP0.z);
points->point.set1Value(index++, cP1.x, cP1.y, cP1.z);
lines->numVertices.set1Value(index/2-1,2);
}
}
}
// enable notification
points->enableNotify(true);
lines->enableNotify(true);
points->touch();
lines->touch();
} else {
// remove the node and destroy the data
pcHighlight->removeChild(pcOpenEdge);
pcOpenEdge = 0;
}
#endif
}
