Hexa2QuadTopologicalMapping
Special case of mapping where HexahedronSetTopology is converted to QuadSetTopology
Target: Sofa.Component.Topology.Mapping
namespace: sofa::component::topology::mapping
parents:
TopologicalMapping
Data:
| Name | Description | Default value |
|---|---|---|
| name | object name | unnamed |
| printLog | if true, emits extra messages at runtime. | 0 |
| tags | list of the subsets the objet belongs to | |
| bbox | this object bounding box | |
| componentState | The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). | Undefined |
| listening | if true, handle the events, otherwise ignore the events | 0 |
| flipNormals | Flip Normal ? (Inverse point order when creating triangle) | 0 |
Links:
| Name | Description |
|---|---|
| context | Graph Node containing this object (or BaseContext::getDefault() if no graph is used) |
| slaves | Sub-objects used internally by this object |
| master | nullptr for regular objects, or master object for which this object is one sub-objects |
| input | Input topology to map |
| output | Output topology to map |
Examples
Component/Topology/Mapping/Hexa2QuadTopologicalMapping.scn
<?xml version="1.0" ?>
<Node name="root" dt="0.05" showBoundingTree="0" gravity="0 -9.81 0">
<RequiredPlugin name="Sofa.Component.Collision.Detection.Algorithm"/> <!-- Needed to use components [BVHNarrowPhase BruteForceBroadPhase CollisionPipeline] -->
<RequiredPlugin name="Sofa.Component.Collision.Detection.Intersection"/> <!-- Needed to use components [MinProximityIntersection] -->
<RequiredPlugin name="Sofa.Component.Collision.Geometry"/> <!-- Needed to use components [TriangleCollisionModel] -->
<RequiredPlugin name="Sofa.Component.Collision.Response.Contact"/> <!-- Needed to use components [CollisionResponse] -->
<RequiredPlugin name="Sofa.Component.Constraint.Projective"/> <!-- Needed to use components [FixedProjectiveConstraint] -->
<RequiredPlugin name="Sofa.Component.Engine.Select"/> <!-- Needed to use components [BoxROI] -->
<RequiredPlugin name="Sofa.Component.IO.Mesh"/> <!-- Needed to use components [MeshGmshLoader] -->
<RequiredPlugin name="Sofa.Component.LinearSolver.Iterative"/> <!-- Needed to use components [CGLinearSolver] -->
<RequiredPlugin name="Sofa.Component.Mapping.Linear"/> <!-- Needed to use components [IdentityMapping] -->
<RequiredPlugin name="Sofa.Component.Mass"/> <!-- Needed to use components [DiagonalMass] -->
<RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
<RequiredPlugin name="Sofa.Component.SolidMechanics.FEM.Elastic"/> <!-- Needed to use components [HexahedralFEMForceField] -->
<RequiredPlugin name="Sofa.Component.SolidMechanics.Spring"/> <!-- Needed to use components [QuadularBendingSprings] -->
<RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
<RequiredPlugin name="Sofa.Component.Topology.Container.Dynamic"/> <!-- Needed to use components [HexahedronSetGeometryAlgorithms HexahedronSetTopologyContainer HexahedronSetTopologyModifier QuadSetGeometryAlgorithms QuadSetTopologyContainer QuadSetTopologyModifier] -->
<RequiredPlugin name="Sofa.Component.Topology.Mapping"/> <!-- Needed to use components [Hexa2QuadTopologicalMapping] -->
<RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [VisualStyle] -->
<RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->
<VisualStyle displayFlags="showBehaviorModels showVisual" />
<CollisionPipeline verbose="0" />
<BruteForceBroadPhase/>
<BVHNarrowPhase/>
<CollisionResponse response="PenalityContactForceField" />
<MinProximityIntersection name="Proximity" alarmDistance="0.8" contactDistance="0.5" />
<DefaultAnimationLoop/>
<Node name="H">
<EulerImplicitSolver name="cg_odesolver" printLog="false" rayleighStiffness="0.1" rayleighMass="0.1" />
<CGLinearSolver iterations="25" name="linear solver" tolerance="1.0e-9" threshold="1.0e-9" />
<MeshGmshLoader name="meshLoader" filename="mesh/nine_hexa.msh" />
<MechanicalObject name="Hexa" src="@meshLoader" />
<include href="Objects/HexahedronSetTopology.xml" src="@meshLoader" drawHexa="1" />
<HexahedralFEMForceField name="FEM" youngModulus="100" poissonRatio="0.3" method="large" />
<DiagonalMass massDensity="0.5" />
<!-- <FixedProjectiveConstraint indices="12 15 28 31" /> -->
<BoxConstraint box="0 3 0 0 3 1 3 3 0 3 3 1" />
<Node name="Q">
<QuadSetTopologyContainer name="Container" />
<QuadSetTopologyModifier name="Modifier" />
<QuadSetGeometryAlgorithms name="GeomAlgo" template="Vec3" />
<Hexa2QuadTopologicalMapping input="@../Container" output="@Container" />
<QuadularBendingSprings name="FEM-Bend" stiffness="3000" damping="1.0" />
<TriangleCollisionModel />
<Node name="Visu">
<OglModel name="Visual" color="blue" quads="@../Container.quads" />
<IdentityMapping input="@../../Hexa" output="@Visual" />
</Node>
</Node>
</Node>
</Node>
def createScene(rootNode):
root = rootNode.addChild('root', dt="0.05", showBoundingTree="0", gravity="0 -9.81 0")
root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Algorithm")
root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Intersection")
root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Geometry")
root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Response.Contact")
root.addObject('RequiredPlugin', name="Sofa.Component.Constraint.Projective")
root.addObject('RequiredPlugin', name="Sofa.Component.Engine.Select")
root.addObject('RequiredPlugin', name="Sofa.Component.IO.Mesh")
root.addObject('RequiredPlugin', name="Sofa.Component.LinearSolver.Iterative")
root.addObject('RequiredPlugin', name="Sofa.Component.Mapping.Linear")
root.addObject('RequiredPlugin', name="Sofa.Component.Mass")
root.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Backward")
root.addObject('RequiredPlugin', name="Sofa.Component.SolidMechanics.FEM.Elastic")
root.addObject('RequiredPlugin', name="Sofa.Component.SolidMechanics.Spring")
root.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Dynamic")
root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Mapping")
root.addObject('RequiredPlugin', name="Sofa.Component.Visual")
root.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
root.addObject('VisualStyle', displayFlags="showBehaviorModels showVisual")
root.addObject('CollisionPipeline', verbose="0")
root.addObject('BruteForceBroadPhase')
root.addObject('BVHNarrowPhase')
root.addObject('CollisionResponse', response="PenalityContactForceField")
root.addObject('MinProximityIntersection', name="Proximity", alarmDistance="0.8", contactDistance="0.5")
root.addObject('DefaultAnimationLoop')
H = root.addChild('H')
H.addObject('EulerImplicitSolver', name="cg_odesolver", printLog="false", rayleighStiffness="0.1", rayleighMass="0.1")
H.addObject('CGLinearSolver', iterations="25", name="linear solver", tolerance="1.0e-9", threshold="1.0e-9")
H.addObject('MeshGmshLoader', name="meshLoader", filename="mesh/nine_hexa.msh")
H.addObject('MechanicalObject', name="Hexa", src="@meshLoader")
H.addObject('include', href="Objects/HexahedronSetTopology.xml", src="@meshLoader", drawHexa="1")
H.addObject('HexahedralFEMForceField', name="FEM", youngModulus="100", poissonRatio="0.3", method="large")
H.addObject('DiagonalMass', massDensity="0.5")
H.addObject('BoxConstraint', box="0 3 0 0 3 1 3 3 0 3 3 1")
Q = H.addChild('Q')
Q.addObject('QuadSetTopologyContainer', name="Container")
Q.addObject('QuadSetTopologyModifier', name="Modifier")
Q.addObject('QuadSetGeometryAlgorithms', name="GeomAlgo", template="Vec3")
Q.addObject('Hexa2QuadTopologicalMapping', input="@../Container", output="@Container")
Q.addObject('QuadularBendingSprings', name="FEM-Bend", stiffness="3000", damping="1.0")
Q.addObject('TriangleCollisionModel')
Visu = Q.addChild('Visu')
Visu.addObject('OglModel', name="Visual", color="blue", quads="@../Container.quads")
Visu.addObject('IdentityMapping', input="@../../Hexa", output="@Visual")