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LinearToHigherOrderElements

Merge several meshes.

Vec3d

Templates:

  • Vec3d

Target: Sofa.Component.Engine.Generate

namespace: sofa::component::engine::generate

parents:

  • DataEngine
  • TopologyAccessor
  • SingleStateAccessor

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
computeFromEdges Use edges from the input to generate higher-order edges 1
computeFromTriangles Use triangles from the input to generate higher-order triangles 1
computeFromQuads Use quads from the input to generate higher-order quads 1
computeFromTetrahedra Use tetrahedra from the input to generate higher-order tetrahedra 1
computeFromHexahedra Use hexahedra from the input to generate higher-order hexahedra 1
Outputs
position Output position
quadratic_edges List of quadratic edges
quadratic_triangles List of quadratic triangles
quadratic_quads List of quadratic quads
quadratic_tetrahedra List of quadratic tetrahedra
quadratic_hexahedra List of quadratic hexahedra
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 BaseComponent
master nullptr for regular objects, or master object for which this object is one sub-objects BaseComponent
mechanicalStates List of mechanical states to which this component is associated BaseMechanicalState
topology Link to a topology BaseMeshTopology
mstate MechanicalState used by this component MechanicalState<Vec3d>

Examples

LinearToHigherOrderElements.scn

<?xml version="1.0"?>
<Node name="root" gravity="0 0 0" dt="1"  >

    <Node name="plugins">
        <RequiredPlugin pluginName="Sofa.Component.Engine.Generate"/> <!-- Needed to use components [LinearToHigherOrderElements] -->
        <RequiredPlugin pluginName="Sofa.Component.IO.Mesh"/> <!-- Needed to use components [MeshVTKLoader] -->
        <RequiredPlugin pluginName="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
        <RequiredPlugin pluginName="Sofa.Component.Topology.Container.Constant"/> <!-- Needed to use components [MeshTopology] -->
        <RequiredPlugin pluginName="Sofa.Component.Visual"/> <!-- Needed to use components [VisualMesh,VisualPointCloud] -->
        <RequiredPlugin pluginName="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->
    </Node>

    <LineAxis/>

    <DefaultAnimationLoop/>

<!--    <Node name="Volume" >-->
<!--        <Node name="preprocessing">-->
<!--            <MeshVTKLoader name="mesh" filename="mesh/Bunny.vtk"/>-->
<!--            <MeshTopology src="@mesh" name="topology"/>-->
<!--            <MechanicalObject name="state" template="Vec3"/>-->
<!--            <LinearToHigherOrderElements name="engine"/>-->
<!--        </Node>-->

<!--        <Node name="quadratic_elements">-->
<!--            <MeshTopology name="topology" position="@../preprocessing/engine.position" quadratic_tetrahedra="@../preprocessing/engine.quadratic_tetrahedra"/>-->
<!--            <MechanicalObject name="state" template="Vec3" position="@../preprocessing/engine.position"/>-->

<!--            <VisualPointCloud position="@state.position" drawMode="Sphere" sphereRadius="0.03" color="orange"/>-->
<!--            <VisualMesh position="@state.position" topology="@topology"/>-->
<!--        </Node>-->
<!--    </Node>-->

<!--    <Node name="single_tetra" >-->
<!--        <Node name="preprocessing">-->
<!--            <MeshTopology name="topology" tetrahedra="0 1 2 3"/>-->
<!--            <MechanicalObject name="state" template="Vec3" position="0 0 0  1 0 0  0 1 0  0 0 1"/>-->
<!--            <LinearToHigherOrderElements name="engine"/>-->
<!--        </Node>-->

<!--        <Node name="quadratic_elements">-->
<!--            <MeshTopology name="topology" position="@../preprocessing/engine.position" quadratic_tetrahedra="@../preprocessing/engine.quadratic_tetrahedra"/>-->
<!--            <MechanicalObject name="state" template="Vec3" position="@../preprocessing/engine.position"/>-->

<!--            <VisualPointCloud position="@state.position" drawMode="Sphere" sphereRadius="0.1" color="lime" showIndices="true" indicesScale="2" indicesColor="black"/>-->
<!--            <VisualMesh position="@state.position" topology="@topology"/>-->
<!--        </Node>-->
<!--    </Node>-->

    <Node name="single_hexa" >

        <VisualPointCloud position="2 0 0" drawMode="Sphere" sphereRadius="0.2" color="red"/>
        <VisualPointCloud position="0 2 0" drawMode="Sphere" sphereRadius="0.2" color="green"/>
        <VisualPointCloud position="0 0 2" drawMode="Sphere" sphereRadius="0.2" color="blue"/>

        <Node name="preprocessing">
            <MeshTopology name="topology" hexahedra="0 1 2 3 4 5 6 7"/>
            <MechanicalObject name="state" template="Vec3" position="-1 -1 -1  1 -1 -1  1 1 -1  -1 1 -1  -1 -1 1  1 -1 1  1 1 1  -1 1 1"/>
            <LinearToHigherOrderElements name="engine"/>
        </Node>

        <Node name="quadratic_elements">
            <MeshTopology name="topology" position="@../preprocessing/engine.position" quadratic_hexahedra="@../preprocessing/engine.quadratic_hexahedra"/>
            <MechanicalObject name="state" template="Vec3" position="@../preprocessing/engine.position"/>

            <VisualPointCloud position="@state.position" drawMode="Sphere" sphereRadius="0.1" color="lime" showIndices="true" indicesScale="2" indicesColor="black"/>
            <VisualMesh position="@state.position" topology="@topology"/>
        </Node>
    </Node>

</Node>

def createScene(root_node):

   root = root_node.addChild('root', gravity="0 0 0", dt="1")

   plugins = root.addChild('plugins')

   plugins.addObject('RequiredPlugin', pluginName="Sofa.Component.Engine.Generate")
   plugins.addObject('RequiredPlugin', pluginName="Sofa.Component.IO.Mesh")
   plugins.addObject('RequiredPlugin', pluginName="Sofa.Component.StateContainer")
   plugins.addObject('RequiredPlugin', pluginName="Sofa.Component.Topology.Container.Constant")
   plugins.addObject('RequiredPlugin', pluginName="Sofa.Component.Visual")
   plugins.addObject('RequiredPlugin', pluginName="Sofa.GL.Component.Rendering3D")

   root.addObject('LineAxis', )
   root.addObject('DefaultAnimationLoop', )

   single_hexa = root.addChild('single_hexa')

   single_hexa.addObject('VisualPointCloud', position="2 0 0", drawMode="Sphere", sphereRadius="0.2", color="red")
   single_hexa.addObject('VisualPointCloud', position="0 2 0", drawMode="Sphere", sphereRadius="0.2", color="green")
   single_hexa.addObject('VisualPointCloud', position="0 0 2", drawMode="Sphere", sphereRadius="0.2", color="blue")

   preprocessing = single_hexa.addChild('preprocessing')

   preprocessing.addObject('MeshTopology', name="topology", hexahedra="0 1 2 3 4 5 6 7")
   preprocessing.addObject('MechanicalObject', name="state", template="Vec3", position="-1 -1 -1  1 -1 -1  1 1 -1  -1 1 -1  -1 -1 1  1 -1 1  1 1 1  -1 1 1")
   preprocessing.addObject('LinearToHigherOrderElements', name="engine")

   quadratic_elements = single_hexa.addChild('quadratic_elements')

   quadratic_elements.addObject('MeshTopology', name="topology", position="@../preprocessing/engine.position", quadratic_hexahedra="@../preprocessing/engine.quadratic_hexahedra")
   quadratic_elements.addObject('MechanicalObject', name="state", template="Vec3", position="@../preprocessing/engine.position")
   quadratic_elements.addObject('VisualPointCloud', position="@state.position", drawMode="Sphere", sphereRadius="0.1", color="lime", showIndices="true", indicesScale="2", indicesColor="black")
   quadratic_elements.addObject('VisualMesh', position="@state.position", topology="@topology")