Developer Documentation

SceneGraphAnalysis.cc
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40 \*===========================================================================*/
41
42
43
44 #include "SceneGraphAnalysis.hh"
45
46 namespace ACG {
47 namespace SceneGraph {
48
56 void analyzeSceneGraph(ACG::SceneGraph::BaseNode* _root,
57 unsigned int& _maxPasses,
58 ACG::Vec3d& _bbmin,
59 ACG::Vec3d& _bbmax)
60 {
61 // Get max number of render pass
62 // Single pass action, this info is static during multipass
63 ACG::SceneGraph::MultiPassInfoAction info_act;
64 ACG::SceneGraph::traverse(_root, info_act);
65
66 _maxPasses = info_act.getMaxPasses();
67
68 // get scene size
69 // Single pass action, as the bounding box is not influenced by multipass traversal
70 ACG::SceneGraph::BoundingBoxAction act;
71 ACG::SceneGraph::traverse(_root, act);
72
73 _bbmin = (ACG::Vec3d) act.bbMin();
74 _bbmax = (ACG::Vec3d) act.bbMax();
75 }
76
77 //=============================================================================
78 } // namespace SceneGraph
79 } // namespace ACG
80 //=============================================================================
ACG::SceneGraph::BoundingBoxAction::bbMax
const Vec3d & bbMax() const
Returns maximum point of the bounding box.
Definition: SceneGraph.hh:403
ACG::SceneGraph::MultiPassInfoAction
Definition: SceneGraph.hh:426
ACG
Namespace providing different geometric functions concerning angles.
Definition: BaseObjectData.hh:68
OpenMesh::VectorT
Definition: Vector11T.hh:83
ACG::SceneGraph::ACG::SceneGraph::BaseNode
Definition: MeshNode2T_impl.hh:104
SceneGraph
Definition: QtPrincipalAxisDialog.hh:67
ACG::SceneGraph::analyzeSceneGraph
void analyzeSceneGraph(ACG::SceneGraph::BaseNode *_root, unsigned int &_maxPasses, ACG::Vec3d &_bbmin, ACG::Vec3d &_bbmax)
Analyze the SceneGraph <ACG/Scenegraph/SceneGraphAnalysis.hh>
Definition: SceneGraphAnalysis.cc:56
SceneGraphAnalysis.hh
ACG::SceneGraph::MultiPassInfoAction::getMaxPasses
unsigned int getMaxPasses() const
Get the number of required traverse passes from Scenegraph.
Definition: SceneGraph.hh:485
ACG::SceneGraph::BoundingBoxAction::bbMin
const Vec3d & bbMin() const
Returns minimum point of the bounding box.
Definition: SceneGraph.hh:401
ACG::SceneGraph::BoundingBoxAction
Definition: SceneGraph.hh:362
ACG::SceneGraph::traverse
void traverse(BaseNode *_node, Action &_action)
Definition: SceneGraph.hh:137
ACG::Vec3d
VectorT< double, 3 > Vec3d
Definition: VectorT.hh:121