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Quad2TriangleTopologicalMapping

Topological mapping where QuadSetTopology is converted to TriangleSetTopology

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 object 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
Name Description Destination type name
context Graph Node containing this object (or BaseContext::getDefault() if no graph is used) BaseContext
slaves Sub-objects used internally by this object BaseObject
master nullptr for regular objects, or master object for which this object is one sub-objects BaseObject
input Input topology to map BaseMeshTopology
output Output topology to map BaseMeshTopology

Examples

Quad2TriangleTopologicalMapping.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 [TriangularFEMForceField] -->
    <RequiredPlugin name="Sofa.Component.SolidMechanics.Spring"/> <!-- Needed to use components [QuadularBendingSprings TriangularBendingSprings] -->
    <RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
    <RequiredPlugin name="Sofa.Component.Topology.Container.Dynamic"/> <!-- Needed to use components [QuadSetGeometryAlgorithms QuadSetTopologyContainer QuadSetTopologyModifier TriangleSetGeometryAlgorithms TriangleSetTopologyContainer TriangleSetTopologyModifier] -->
    <RequiredPlugin name="Sofa.Component.Topology.Mapping"/> <!-- Needed to use components [Quad2TriangleTopologicalMapping] -->
    <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="Q">
        <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_quads.msh" />
        <include href="Objects/QuadSetTopology.xml" src="@meshLoader" tags=" " />
        <MechanicalObject name="Quads" />
        <QuadularBendingSprings name="FEM-Bend" stiffness="3000" damping="1.0" />
        <DiagonalMass massDensity="0.5" />
        <!--<FixedProjectiveConstraint indices="12 15" />-->
        <BoxConstraint box="0 3 0 0 3 0 3 3 0 3 3 0" />
        <Node name="T">
            <include href="Objects/TriangleSetTopology.xml" src="@../meshLoader" tags=" " />
            <Quad2TriangleTopologicalMapping input="@../Container" output="@Container" />
            <TriangularFEMForceField name="FEM" youngModulus="1000" poissonRatio="0.3" method="large" />
            <TriangularBendingSprings name="FEM-Bend" stiffness="3000" damping="1.0" />
            <TriangleCollisionModel />
            <Node name="Visu">
                <OglModel name="Visual" color="red" />
                <IdentityMapping input="@../../Quads" output="@Visual" />
            </Node>
        </Node>
    </Node>
</Node>

def createScene(root_node):

   root = root_node.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', )

   q = root.addChild('Q')

   q.addObject('EulerImplicitSolver', name="cg_odesolver", printLog="false", rayleighStiffness="0.1", rayleighMass="0.1")
   q.addObject('CGLinearSolver', iterations="25", name="linear solver", tolerance="1.0e-9", threshold="1.0e-9")
   q.addObject('MeshGmshLoader', name="meshLoader", filename="mesh/nine_quads.msh")
   q.addObject('include', href="Objects/QuadSetTopology.xml", src="@meshLoader", tags=" ")
   q.addObject('MechanicalObject', name="Quads")
   q.addObject('QuadularBendingSprings', name="FEM-Bend", stiffness="3000", damping="1.0")
   q.addObject('DiagonalMass', massDensity="0.5")
   q.addObject('BoxConstraint', box="0 3 0 0 3 0 3 3 0 3 3 0")

   t = Q.addChild('T')

   t.addObject('include', href="Objects/TriangleSetTopology.xml", src="@../meshLoader", tags=" ")
   t.addObject('Quad2TriangleTopologicalMapping', input="@../Container", output="@Container")
   t.addObject('TriangularFEMForceField', name="FEM", youngModulus="1000", poissonRatio="0.3", method="large")
   t.addObject('TriangularBendingSprings', name="FEM-Bend", stiffness="3000", damping="1.0")
   t.addObject('TriangleCollisionModel', )

   visu = T.addChild('Visu')

   visu.addObject('OglModel', name="Visual", color="red")
   visu.addObject('IdentityMapping', input="@../../Quads", output="@Visual")