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SceneGraphAnalysis.cc
1 /*===========================================================================*\
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40 \*===========================================================================*/
41
42 /*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $LastChangedBy$ *
46 * $Date$ *
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48 \*===========================================================================*/
49
50 #include "SceneGraphAnalysis.hh"
51
52 namespace ACG {
53 namespace SceneGraph {
54
62 void analyzeSceneGraph(ACG::SceneGraph::BaseNode* _root,
63 unsigned int& _maxPasses,
64 ACG::Vec3d& _bbmin,
65 ACG::Vec3d& _bbmax)
66 {
67 // Get max number of render pass
68 // Single pass action, this info is static during multipass
69 ACG::SceneGraph::MultiPassInfoAction info_act;
70 ACG::SceneGraph::traverse(_root, info_act);
71
72 _maxPasses = info_act.getMaxPasses();
73
74 // get scene size
75 // Single pass action, as the bounding box is not influenced by multipass traversal
76 ACG::SceneGraph::BoundingBoxAction act;
77 ACG::SceneGraph::traverse(_root, act);
78
79 _bbmin = (ACG::Vec3d) act.bbMin();
80 _bbmax = (ACG::Vec3d) act.bbMax();
81 }
82
83 //=============================================================================
84 } // namespace SceneGraph
85 } // namespace ACG
86 //=============================================================================
ACG
Namespace providing different geometric functions concerning angles.
Definition: DBSCANT.cc:51
SceneGraphAnalysis.hh
ACG::SceneGraph::ACG::SceneGraph::BoundingBoxAction::bbMax
const Vec3d & bbMax() const
Returns maximum point of the bounding box.
Definition: MeshNode2T.cc:409
ACG::Vec3d
VectorT< double, 3 > Vec3d
Definition: VectorT.hh:127
OpenMesh::VectorT
Definition: Vector11T.hh:83
ACG::SceneGraph::analyzeSceneGraph
void analyzeSceneGraph(ACG::SceneGraph::BaseNode *_root, unsigned int &_maxPasses, ACG::Vec3d &_bbmin, ACG::Vec3d &_bbmax)
Analyze the SceneGraph
Definition: SceneGraphAnalysis.cc:62
ACG::SceneGraph::ACG::SceneGraph::BoundingBoxAction
Definition: MeshNode2T.cc:368
ACG::SceneGraph::ACG::SceneGraph::MultiPassInfoAction
Definition: MeshNode2T.cc:432
ACG::SceneGraph::ACG::SceneGraph::MultiPassInfoAction::getMaxPasses
unsigned int getMaxPasses() const
Get the number of required traverse passes from Scenegraph.
Definition: MeshNode2T.cc:491
ACG::SceneGraph::ACG::SceneGraph::BoundingBoxAction::bbMin
const Vec3d & bbMin() const
Returns minimum point of the bounding box.
Definition: MeshNode2T.cc:407
ACG::SceneGraph::ACG::SceneGraph::BaseNode
Definition: MeshNode2T.cc:135
ACG::SceneGraph::traverse
void traverse(BaseNode *_node, Action &_action)
Definition: SceneGraph.hh:143