Triangle2EdgeTopologicalMapping

Special case of mapping where TriangleSetTopology is converted to EdgeSetTopology

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

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/Triangle2EdgeTopologicalMapping.scn

XMLPython

<!-- Mechanical MassSpring Group Basic Example -->
<Node name="root" dt="0.05" showBoundingTree="0" gravity="0 -9 1">
    <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.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 [StiffSpringForceField TriangularBendingSprings] -->
    <RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
    <RequiredPlugin name="Sofa.Component.Topology.Container.Dynamic"/> <!-- Needed to use components [EdgeSetGeometryAlgorithms EdgeSetTopologyContainer EdgeSetTopologyModifier TriangleSetGeometryAlgorithms TriangleSetTopologyContainer TriangleSetTopologyModifier] -->
    <RequiredPlugin name="Sofa.Component.Topology.Mapping"/> <!-- Needed to use components [Triangle2EdgeTopologicalMapping] -->
    <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="SquareGravity">
        <CGImplicit iterations="40" tolerance="1e-6" threshold="1e-10" />
        <MeshGmshLoader name="loader" filename="mesh/square3.msh" createSubelements="true" />
        <MechanicalObject src="@loader" scale="10" />
        <include href="Objects/TriangleSetTopology.xml" src="@loader" />
        <DiagonalMass massDensity="0.15" />
        <FixedProjectiveConstraint indices="0 1" />
        <StiffSpringForceField name="FF" />
        <TriangularFEMForceField name="FEM" youngModulus="60" poissonRatio="0.3" method="large" />
        <TriangularBendingSprings name="FEM-Bend" stiffness="300" damping="1.0" />
        <TriangleCollisionModel />

        <Node >
          <OglModel name="Visual" color="red" />
          <IdentityMapping input="@.." output="@Visual" />
        </Node>

        <Node name="Edge Mesh">
            <EdgeSetTopologyContainer name="Container" />
            <EdgeSetTopologyModifier name="Modifier" />
            <EdgeSetGeometryAlgorithms template="Vec3" name="GeomAlgo" drawEdges="1" />
            <Triangle2EdgeTopologicalMapping name="Mapping" input="@../Container" output="@Container" />
        </Node>
    </Node>
</Node>

def createScene(rootNode):

    root = rootNode.addChild('root', dt="0.05", showBoundingTree="0", gravity="0 -9 1")
    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.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')

    SquareGravity = root.addChild('SquareGravity')
    SquareGravity.addObject('CGImplicit', iterations="40", tolerance="1e-6", threshold="1e-10")
    SquareGravity.addObject('MeshGmshLoader', name="loader", filename="mesh/square3.msh", createSubelements="true")
    SquareGravity.addObject('MechanicalObject', src="@loader", scale="10")
    SquareGravity.addObject('include', href="Objects/TriangleSetTopology.xml", src="@loader")
    SquareGravity.addObject('DiagonalMass', massDensity="0.15")
    SquareGravity.addObject('FixedProjectiveConstraint', indices="0 1")
    SquareGravity.addObject('StiffSpringForceField', name="FF")
    SquareGravity.addObject('TriangularFEMForceField', name="FEM", youngModulus="60", poissonRatio="0.3", method="large")
    SquareGravity.addObject('TriangularBendingSprings', name="FEM-Bend", stiffness="300", damping="1.0")
    SquareGravity.addObject('TriangleCollisionModel')

    SquareGravity = SquareGravity.addChild('SquareGravity')
    SquareGravity.addObject('OglModel', name="Visual", color="red")
    SquareGravity.addObject('IdentityMapping', input="@..", output="@Visual")

    Edge Mesh = SquareGravity.addChild('Edge Mesh')
    Edge Mesh.addObject('EdgeSetTopologyContainer', name="Container")
    Edge Mesh.addObject('EdgeSetTopologyModifier', name="Modifier")
    Edge Mesh.addObject('EdgeSetGeometryAlgorithms', template="Vec3", name="GeomAlgo", drawEdges="1")
    Edge Mesh.addObject('Triangle2EdgeTopologicalMapping', name="Mapping", input="@../Container", output="@Container")