GeometryTransitPtr createPathGeometry(const std::vector<Pnt3f>& Path)
{
//*******************Create the Geometry for the box
GeoUInt8PropertyRecPtr type = GeoUInt8Property::create();
//Volume bound box
type->push_back(GL_LINE_STRIP);
GeoUInt32PropertyRefPtr lens = GeoUInt32Property::create();
//Volume bound box
lens->push_back(Path.size());
Color3f CoolColor(0.0f,0.0f,1.0f),
HotColor(1.0f,0.0f,0.0f);
GeoUInt32PropertyRefPtr index = GeoUInt32Property::create();
GeoPnt3fPropertyRefPtr points = GeoPnt3fProperty::create();
GeoVec3fPropertyRefPtr colors = GeoVec3fProperty::create();
//Volume bound box
Color3f Color;
Real32 t;
for(UInt32 i(0) ; i<Path.size() ; ++i)
{
t = static_cast<Real32>(i)/static_cast<Real32>(Path.size());
Color = (t*CoolColor) + ((1.0f-t)*HotColor);
index->push_back(i);
points->push_back(Path[i]);
colors->push_back(Color);
}
GeometryRecPtr PathGeo = Geometry::create();
PathGeo->setTypes (type);
PathGeo->setLengths (lens);
PathGeo->setIndices (index);
PathGeo->setPositions (points);
PathGeo->setColors (colors);
//Create the material for the line
LineChunkRecPtr DefaultLineChunk = LineChunk::create();
DefaultLineChunk->setWidth(2.0f);
MaterialChunkRecPtr DefaultMaterialChunk = MaterialChunk::create();
DefaultMaterialChunk->setLit(false);
ChunkMaterialRecPtr DefaultChunkMaterial = ChunkMaterial::create();
DefaultChunkMaterial->addChunk(DefaultMaterialChunk);
DefaultChunkMaterial->addChunk(DefaultLineChunk);
PathGeo->setMaterial(DefaultChunkMaterial);
return GeometryTransitPtr(PathGeo);
}
OSG_BEGIN_NAMESPACE
NodeTransitPtr OctreeVisualization::createOctreeVisualization(OctreePtr tree,
Int32 MaxDepth,
bool filledGeometry,
bool onlyLeaf)
{
OTNodeGeometryCreateFunc GeoCreateFunc;
OTNodeMaterialCreateFunc MatCreateFunc;
OTNodeIsVisibleFunc IsVisibleFunc;
IsVisibleFunc = boost::bind(&OctreeVisualization::isNodeLeaf,_1, _2,
false);
NodeRecPtr VisRootNode = makeCoredNode<Group>();
if(filledGeometry)
{
NodeRecPtr BaseBox = makeBox(1.0f,1.0f,1.0f,
1, 1, 1);
GeoCreateFunc = boost::bind(&OctreeVisualization::createNodeDistanceLOD,_1, _2, _3, BaseBox.get(), 10.0f);
BlendChunkRecPtr DefaultBlendChunk = BlendChunk::create();
DefaultBlendChunk->setSrcFactor(GL_SRC_ALPHA);
DefaultBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);
PolygonChunkRecPtr DefaultPolygonChunk = PolygonChunk::create();
DefaultPolygonChunk->setCullFace(GL_BACK);
MatCreateFunc = boost::bind(&OctreeVisualization::createMatFilled,_1, _2,
Color3f(0.0f,1.0f,0.0f),
Color3f(1.0f,0.0f,0.0f),
0.15f,
DefaultBlendChunk.get(),
DefaultPolygonChunk.get());
createOctreeVisualizationRec(tree,
tree->getRoot(),
VisRootNode,
osgMin<UInt32>(tree->getDepth(),MaxDepth),
GeoCreateFunc,
MatCreateFunc,
IsVisibleFunc);
}
else
{
//*******************Create the Geometry for the box
GeoUInt8PropertyRecPtr type = GeoUInt8Property::create();
//Volume bound box
type->push_back(GL_LINE_STRIP);
type->push_back(GL_LINES);
GeoUInt32PropertyRefPtr lens = GeoUInt32Property::create();
//Volume bound box
lens->push_back(10);
lens->push_back(6);
GeoUInt32PropertyRefPtr index = GeoUInt32Property::create();
//Volume bound box
index->push_back(0);
index->push_back(1);
index->push_back(3);
index->push_back(2);
index->push_back(0);
index->push_back(4);
index->push_back(5);
index->push_back(7);
index->push_back(6);
index->push_back(4);
index->push_back(1);
index->push_back(5);
index->push_back(2);
index->push_back(6);
index->push_back(3);
index->push_back(7);
GeoPnt3fPropertyRefPtr highlightPoints = GeoPnt3fProperty::create();
//Volume bound box
highlightPoints->push_back(Pnt3f(-1, -1, -1));
highlightPoints->push_back(Pnt3f( 1, -1, -1));
highlightPoints->push_back(Pnt3f(-1, 1, -1));
highlightPoints->push_back(Pnt3f( 1, 1, -1));
highlightPoints->push_back(Pnt3f(-1, -1, 1));
highlightPoints->push_back(Pnt3f( 1, -1, 1));
highlightPoints->push_back(Pnt3f(-1, 1, 1));
highlightPoints->push_back(Pnt3f( 1, 1, 1));
//Colors
Color4f BoundBoxColor(1.0f,1.0f,1.0,1.00f);
GeoVec4fPropertyRefPtr highlightColors = GeoVec4fProperty::create();
//Volume bound box
highlightColors->push_back(BoundBoxColor);
highlightColors->push_back(BoundBoxColor);
highlightColors->push_back(BoundBoxColor);
highlightColors->push_back(BoundBoxColor);
highlightColors->push_back(BoundBoxColor);
highlightColors->push_back(BoundBoxColor);
highlightColors->push_back(BoundBoxColor);
highlightColors->push_back(BoundBoxColor);
GeometryRecPtr BoxGeo =Geometry::create();
BoxGeo->setTypes (type);
BoxGeo->setLengths (lens);
BoxGeo->setIndices (index);
BoxGeo->setPositions (highlightPoints);
BoxGeo->setColors (highlightColors);
//Highlight Bound Box Node
NodeRecPtr BaseBox = makeNodeFor(BoxGeo);
GeoCreateFunc =
boost::bind(&OctreeVisualization::createNodeDistanceLOD,_1, _2, _3,
BaseBox.get(), 10.0f);
//*******************Create the Geometry for the highlight
BlendChunkRecPtr DefaultBlendChunk = BlendChunk::create();
DefaultBlendChunk->setSrcFactor(GL_SRC_ALPHA);
DefaultBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);
LineChunkRecPtr DefaultLineChunk = LineChunk::create();
DefaultLineChunk->setSmooth(true);
MatCreateFunc = boost::bind(&OctreeVisualization::createMatLine,_1, _2,
Color3f(1.0f,0.0f,0.0f),
Color3f(0.0f,0.0f,1.0f),
0.55f,
DefaultBlendChunk.get(),
DefaultLineChunk.get());
createOctreeVisualizationRec(tree,
tree->getRoot(),
VisRootNode,
osgMin<UInt32>(tree->getDepth(),MaxDepth),
GeoCreateFunc,
MatCreateFunc,
IsVisibleFunc);
}
return NodeTransitPtr(VisRootNode);
}