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AffineMovementProjectiveConstraint

Constraint the movement by a rigid transform.

Rigid3d

Templates:

  • Rigid3d

Target: Sofa.Component.Constraint.Projective

namespace: sofa::component::constraint::projective

parents:

  • ProjectiveConstraintSet

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
group ID of the group containing this constraint. This ID is used to specify which constraints are solved by which solver, by specifying in each solver which groups of constraints it should handle. 0
endTime The constraint stops acting after the given value. Use a negative value for infinite constraints -1
meshIndices Indices of the mesh
indices Indices of the constrained points
beginConstraintTime Begin time of the bilinear constraint
endConstraintTime End time of the bilinear constraint
rotation rotation applied to border points
quaternion quaternion applied to border points
translation translation applied to border points
Visualization
drawConstrainedPoints draw constrained points
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
mechanicalStates List of mechanical states to which this component is associated BaseMechanicalState
mstate MechanicalState used by this component MechanicalState<Rigid3d>
topology link to the topology container BaseMeshTopology

Vec3d

Templates:

  • Vec3d

Target: Sofa.Component.Constraint.Projective

namespace: sofa::component::constraint::projective

parents:

  • ProjectiveConstraintSet

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
group ID of the group containing this constraint. This ID is used to specify which constraints are solved by which solver, by specifying in each solver which groups of constraints it should handle. 0
endTime The constraint stops acting after the given value. Use a negative value for infinite constraints -1
meshIndices Indices of the mesh
indices Indices of the constrained points
beginConstraintTime Begin time of the bilinear constraint
endConstraintTime End time of the bilinear constraint
rotation rotation applied to border points
quaternion quaternion applied to border points
translation translation applied to border points
Visualization
drawConstrainedPoints draw constrained points
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
mechanicalStates List of mechanical states to which this component is associated BaseMechanicalState
mstate MechanicalState used by this component MechanicalState<Vec3d>
topology link to the topology container BaseMeshTopology

Examples

AffineMovementProjectiveConstraint.scn

<?xml version="1.0"?>
    <Node   name="root" gravity="0 0 0" dt="0.01"  >
    <RequiredPlugin name="Sofa.Component.Constraint.Projective"/> <!-- Needed to use components [AffineMovementProjectiveConstraint] -->
    <RequiredPlugin name="Sofa.Component.Engine.Select"/> <!-- Needed to use components [BoxROI PairBoxROI] -->
    <RequiredPlugin name="Sofa.Component.LinearSolver.Iterative"/> <!-- Needed to use components [CGLinearSolver] -->
    <RequiredPlugin name="Sofa.Component.Mass"/> <!-- Needed to use components [UniformMass] -->
    <RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
    <RequiredPlugin name="Sofa.Component.SolidMechanics.Spring"/> <!-- Needed to use components [MeshSpringForceField] -->
    <RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
    <RequiredPlugin name="Sofa.Component.Topology.Container.Grid"/> <!-- Needed to use components [RegularGridTopology] -->
    <RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [VisualStyle] -->

    <VisualStyle displayFlags="hideVisualModels showBehavior" />
    <DefaultAnimationLoop/>
    <Node   name="Square"  >
        <EulerImplicitSolver name="Euler Implicit" rayleighStiffness="0.5"  rayleighMass="0.5"  vdamping="0" />
        <CGLinearSolver template="GraphScattered" name="CG Solver" iterations="40"  tolerance="1e-06"  threshold="1e-10"/>
        <MechanicalObject template="Vec3" name="mObject1" showObject="true" showObjectScale="3"/>
        <RegularGridTopology name ="loader" nx="5" ny="5" nz="1" xmin="0" xmax="1" ymin="0" ymax="1" zmin="0" zmax="1" position="@mObject1.position" drawHexahedra="true"/>
        <UniformMass totalMass="1"/>
        <MeshSpringForceField template="Vec3" name="forcefield" linesStiffness="10" />
        <BoxROI name="Box" box="-0.1 -0.1 0  1.1 1.1 0"/>
        <PairBoxROI name="PairBox" inclusiveBox="-0.1 -0.1 0  1.1 1.1 0" includedBox="0.1 0.1 0 0.9 0.9 0"/>
        <AffineMovementProjectiveConstraint name="bilinearConstraint" template="Vec3" indices="@PairBox.indices" meshIndices = "@Box.indices" translation="0.1 0 0" rotation="[0.7 -0.7 0,0.7 0.7 0,0 0 1]"  drawConstrainedPoints="1"/>
    </Node>
</Node>
def createScene(root_node):

   root = root_node.addChild('root', gravity="0 0 0", dt="0.01")

   root.addObject('RequiredPlugin', name="Sofa.Component.Constraint.Projective")
   root.addObject('RequiredPlugin', name="Sofa.Component.Engine.Select")
   root.addObject('RequiredPlugin', name="Sofa.Component.LinearSolver.Iterative")
   root.addObject('RequiredPlugin', name="Sofa.Component.Mass")
   root.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Backward")
   root.addObject('RequiredPlugin', name="Sofa.Component.SolidMechanics.Spring")
   root.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
   root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Grid")
   root.addObject('RequiredPlugin', name="Sofa.Component.Visual")
   root.addObject('VisualStyle', displayFlags="hideVisualModels showBehavior")
   root.addObject('DefaultAnimationLoop', )

   square = root.addChild('Square')

   square.addObject('EulerImplicitSolver', name="Euler Implicit", rayleighStiffness="0.5", rayleighMass="0.5", vdamping="0")
   square.addObject('CGLinearSolver', template="GraphScattered", name="CG Solver", iterations="40", tolerance="1e-06", threshold="1e-10")
   square.addObject('MechanicalObject', template="Vec3", name="mObject1", showObject="true", showObjectScale="3")
   square.addObject('RegularGridTopology', name="loader", nx="5", ny="5", nz="1", xmin="0", xmax="1", ymin="0", ymax="1", zmin="0", zmax="1", position="@mObject1.position", drawHexahedra="true")
   square.addObject('UniformMass', totalMass="1")
   square.addObject('MeshSpringForceField', template="Vec3", name="forcefield", linesStiffness="10")
   square.addObject('BoxROI', name="Box", box="-0.1 -0.1 0  1.1 1.1 0")
   square.addObject('PairBoxROI', name="PairBox", inclusiveBox="-0.1 -0.1 0  1.1 1.1 0", includedBox="0.1 0.1 0 0.9 0.9 0")
   square.addObject('AffineMovementProjectiveConstraint', name="bilinearConstraint", template="Vec3", indices="@PairBox.indices", meshIndices="@Box.indices", translation="0.1 0 0", rotation="[0.7 -0.7 0,0.7 0.7 0,0 0 1]", drawConstrainedPoints="1")

AffineMovementProjectiveConstraint3D.scn

<?xml version="1.0"?>
<Node   name="root" gravity="0 0 0" dt="0.05"  >
    <RequiredPlugin name="Sofa.Component.Constraint.Projective"/> <!-- Needed to use components [AffineMovementProjectiveConstraint] -->
    <RequiredPlugin name="Sofa.Component.Engine.Select"/> <!-- Needed to use components [BoxROI PairBoxROI] -->
    <RequiredPlugin name="Sofa.Component.LinearSolver.Iterative"/> <!-- Needed to use components [CGLinearSolver] -->
    <RequiredPlugin name="Sofa.Component.Mass"/> <!-- Needed to use components [UniformMass] -->
    <RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
    <RequiredPlugin name="Sofa.Component.SolidMechanics.FEM.Elastic"/> <!-- Needed to use components [TetrahedronFEMForceField] -->
    <RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
    <RequiredPlugin name="Sofa.Component.Topology.Container.Grid"/> <!-- Needed to use components [RegularGridTopology] -->
    <RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [VisualStyle] -->
    <VisualStyle displayFlags="hideVisualModels showBehavior" />
    <DefaultAnimationLoop/>

    <Node   name="Square"  >
        <EulerImplicitSolver name="Euler Implicit"  printLog="0"  rayleighStiffness="0.5"  rayleighMass="0.5"  vdamping="0" />
        <CGLinearSolver template="GraphScattered" name="CG Solver"  printLog="0"  iterations="40"  tolerance="1e-06"  threshold="1e-10" />
        <MechanicalObject template="Vec3" name="mObject1" showObject="true" showObjectScale="3"/>
        <RegularGridTopology name ="loader" nx="4" ny="4" nz="4" xmin="0" xmax="1" ymin="0" ymax="1" zmin="0" zmax="1" position="@mObject1.position" drawHexahedra="true"/>
        <UniformMass totalMass="1"/>
        <TetrahedronFEMForceField template="Vec3" name="forcefield" youngModulus="200" poissonRatio="0.4" method="polar" />
        <BoxROI name="Box" box="-0.1 -0.1 -0.1  1.1 1.1 1.1"/>
        <PairBoxROI name="PairBox" inclusiveBox="-0.1 -0.1 -0.1  1.1 1.1 1.1" includedBox="0.1 0.1 0.1 0.9 0.9 0.9"/>
        <AffineMovementProjectiveConstraint name="bilinearConstraint" template="Vec3" indices="@PairBox.indices" meshIndices = "@Box.indices" translation="0.1 0.1 0.1" rotation="[1 0 0,0 1 0,1 0 1]"/>

    </Node>
</Node>
def createScene(root_node):

   root = root_node.addChild('root', gravity="0 0 0", dt="0.05")

   root.addObject('RequiredPlugin', name="Sofa.Component.Constraint.Projective")
   root.addObject('RequiredPlugin', name="Sofa.Component.Engine.Select")
   root.addObject('RequiredPlugin', name="Sofa.Component.LinearSolver.Iterative")
   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.StateContainer")
   root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Grid")
   root.addObject('RequiredPlugin', name="Sofa.Component.Visual")
   root.addObject('VisualStyle', displayFlags="hideVisualModels showBehavior")
   root.addObject('DefaultAnimationLoop', )

   square = root.addChild('Square')

   square.addObject('EulerImplicitSolver', name="Euler Implicit", printLog="0", rayleighStiffness="0.5", rayleighMass="0.5", vdamping="0")
   square.addObject('CGLinearSolver', template="GraphScattered", name="CG Solver", printLog="0", iterations="40", tolerance="1e-06", threshold="1e-10")
   square.addObject('MechanicalObject', template="Vec3", name="mObject1", showObject="true", showObjectScale="3")
   square.addObject('RegularGridTopology', name="loader", nx="4", ny="4", nz="4", xmin="0", xmax="1", ymin="0", ymax="1", zmin="0", zmax="1", position="@mObject1.position", drawHexahedra="true")
   square.addObject('UniformMass', totalMass="1")
   square.addObject('TetrahedronFEMForceField', template="Vec3", name="forcefield", youngModulus="200", poissonRatio="0.4", method="polar")
   square.addObject('BoxROI', name="Box", box="-0.1 -0.1 -0.1  1.1 1.1 1.1")
   square.addObject('PairBoxROI', name="PairBox", inclusiveBox="-0.1 -0.1 -0.1  1.1 1.1 1.1", includedBox="0.1 0.1 0.1 0.9 0.9 0.9")
   square.addObject('AffineMovementProjectiveConstraint', name="bilinearConstraint", template="Vec3", indices="@PairBox.indices", meshIndices="@Box.indices", translation="0.1 0.1 0.1", rotation="[1 0 0,0 1 0,1 0 1]")