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Triangle2EdgeTopologicalMapping

Topological 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 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

Triangle2EdgeTopologicalMapping.scn

<!-- 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 [SpringForceField 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" />
        <SpringForceField 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(root_node):

   root = root_node.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', )

   square_gravity = root.addChild('SquareGravity')

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

   node = SquareGravity.addChild('node')

   node.addObject('OglModel', name="Visual", color="red")
   node.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")