CubeTopology
Surface topology of a cube in 3D (points, edges and quads).
Target: Sofa.Component.Topology.Container.Constant
namespace: sofa::component::topology::container::constant
parents:
- MeshTopology
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 |
| filename | Filename of the mesh | |
| position | List of point positions | |
| edges | List of edge indices | |
| triangles | List of triangle indices | |
| quads | List of quad indices | |
| tetrahedra | List of tetrahedron indices | |
| hexahedra | List of hexahedron indices | |
| uv | List of uv coordinates | |
| nx | x grid resolution | 0 |
| ny | y grid resolution | 0 |
| nz | z grid resolution | 0 |
| internalPoints | include internal points (allow a one-to-one mapping between points from RegularGridTopology and CubeTopology) | 0 |
| splitNormals | split corner points to have planar normals | 0 |
| min | Min | 0 0 0 |
| max | Max | 1 1 1 |
| Visualization | ||
| drawEdges | if true, draw the topology Edges | 0 |
| drawTriangles | if true, draw the topology Triangles | 0 |
| drawQuads | if true, draw the topology Quads | 0 |
| drawTetrahedra | if true, draw the topology Tetrahedra | 0 |
| drawHexahedra | if true, draw the topology hexahedra | 0 |
Links
| 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 |
Examples
CubeTopology.scn
<Node name="root" dt="0.02">
<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 [DiscreteIntersection] -->
<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.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 [UniformMass] -->
<RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
<RequiredPlugin name="Sofa.Component.SolidMechanics.FEM.Elastic"/> <!-- Needed to use components [TriangleFEMForceField] -->
<RequiredPlugin name="Sofa.Component.SolidMechanics.Spring"/> <!-- Needed to use components [TriangularBendingSprings] -->
<RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
<RequiredPlugin name="Sofa.Component.Topology.Container.Constant"/> <!-- Needed to use components [CubeTopology] -->
<RequiredPlugin name="Sofa.Component.Topology.Container.Dynamic"/> <!-- Needed to use components [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] -->
<CollisionPipeline verbose="0" name="CollisionPipeline" />
<BruteForceBroadPhase/>
<BVHNarrowPhase/>
<CollisionResponse response="PenalityContactForceField" name="collision response" />
<DiscreteIntersection/>
<DefaultAnimationLoop/>
<Node name="Cubes" >
<VisualStyle displayFlags="showForceFields" />
<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" />
<CubeTopology internalPoints="0" splitNormals="1" name="cubeTopo" nx="3" ny="3" nz="5" min="-0.015 -0.015 -0.075" max="0.015 0.015 0.075" />
<Node name="topoTriangle" >
<include href="Objects/TriangleSetTopology.xml" src="@../cubeTopo"/>
<Quad2TriangleTopologicalMapping input="@../cubeTopo" output="@Container"/>
<MechanicalObject name="dofs" printLog="1" position="@../cubeTopo.position"/>
<FixedProjectiveConstraint name="FixedProjectiveConstraint" indices="3 39 64" />
<TriangleFEMForceField name="FEM1" youngModulus="500" poissonRatio="0.3" method="large" />
<TriangularBendingSprings name="FEM-Bend" stiffness="3000" damping="1.0"/>
<UniformMass vertexMass="0.1" />
<Node name="Visu">
<OglModel name="Visual" color="red" />
<IdentityMapping input="@../dofs" output="@Visual" />
</Node>
</Node>
</Node>
</Node>
def createScene(root_node):
root = root_node.addChild('root', dt="0.02")
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.Response.Contact")
root.addObject('RequiredPlugin', name="Sofa.Component.Constraint.Projective")
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.Constant")
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('CollisionPipeline', verbose="0", name="CollisionPipeline")
root.addObject('BruteForceBroadPhase', )
root.addObject('BVHNarrowPhase', )
root.addObject('CollisionResponse', response="PenalityContactForceField", name="collision response")
root.addObject('DiscreteIntersection', )
root.addObject('DefaultAnimationLoop', )
cubes = root.addChild('Cubes')
cubes.addObject('VisualStyle', displayFlags="showForceFields")
cubes.addObject('EulerImplicitSolver', name="cg_odesolver", printLog="false", rayleighStiffness="0.1", rayleighMass="0.1")
cubes.addObject('CGLinearSolver', iterations="25", name="linear solver", tolerance="1.0e-9", threshold="1.0e-9")
cubes.addObject('CubeTopology', internalPoints="0", splitNormals="1", name="cubeTopo", nx="3", ny="3", nz="5", min="-0.015 -0.015 -0.075", max="0.015 0.015 0.075")
topo_triangle = Cubes.addChild('topoTriangle')
topo_triangle.addObject('include', href="Objects/TriangleSetTopology.xml", src="@../cubeTopo")
topo_triangle.addObject('Quad2TriangleTopologicalMapping', input="@../cubeTopo", output="@Container")
topo_triangle.addObject('MechanicalObject', name="dofs", printLog="1", position="@../cubeTopo.position")
topo_triangle.addObject('FixedProjectiveConstraint', name="FixedProjectiveConstraint", indices="3 39 64")
topo_triangle.addObject('TriangleFEMForceField', name="FEM1", youngModulus="500", poissonRatio="0.3", method="large")
topo_triangle.addObject('TriangularBendingSprings', name="FEM-Bend", stiffness="3000", damping="1.0")
topo_triangle.addObject('UniformMass', vertexMass="0.1")
visu = topoTriangle.addChild('Visu')
visu.addObject('OglModel', name="Visual", color="red")
visu.addObject('IdentityMapping', input="@../dofs", output="@Visual")