SphereGridTopology
Sphere grid in 3D.
Target: Sofa.Component.Topology.Container.Grid
namespace: sofa::component::topology::container::grid
parents:
- GridTopology
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 |
| 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 | |
| n | grid resolution. (default = 2 2 2) | 2 2 2 |
| computeHexaList | put true if the list of Hexahedra is needed during init (default=true) | 1 |
| computeQuadList | put true if the list of Quad is needed during init (default=true) | 1 |
| computeTriangleList | put true if the list of Triangles is needed during init (default=true) | 1 |
| computeEdgeList | put true if the list of Lines is needed during init (default=true) | 1 |
| computePointList | put true if the list of Points is needed during init (default=true) | 1 |
| createTexCoords | If set to true, virtual texture coordinates will be generated using 3D interpolation (default=false). | 0 |
| center | Center of the cylinder | 0 0 0 |
| axis | Main direction of the cylinder | 0 0 1 |
| radius | Radius of the cylinder | 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
SphereGridTopology.scn
<!-- SphereGrid examples -->
<Node name="root" dt="0.02" gravity="0 -10 0">
<RequiredPlugin name="Sofa.Component.Constraint.Projective"/> <!-- Needed to use components [FixedProjectiveConstraint] -->
<RequiredPlugin name="Sofa.Component.Engine.Select"/> <!-- Needed to use components [BoxROI] -->
<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 [HexahedronFEMForceField TetrahedronFEMForceField] -->
<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 [SphereGridTopology] -->
<RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [VisualStyle] -->
<RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->
<VisualStyle displayFlags="showBehaviorModels showForceFields showVisual" />
<DefaultAnimationLoop/>
<Node name="SphereFEMTetra">
<EulerImplicitSolver rayleighStiffness="0.1" rayleighMass="0.1" />
<CGLinearSolver iterations="25" tolerance="0.000001" threshold="1e-5"/>
<MechanicalObject dx="-10" />
<UniformMass totalMass="100" />
<SphereGridTopology nx="10" ny="10" nz="10" radius="4.0" axis="0 1 0" />
<BoxConstraint box="-14 0.5 2.5 -8 4 4" fixAll="0"/>
<TetrahedronFEMForceField name="FEM" youngModulus="1116" poissonRatio="0.3" method="polar" />
<Node name="Visu">
<OglModel name="Visual" color="red" translation="-5 0 0" />
<IdentityMapping input="@.." output="@Visual" />
</Node>
</Node>
<Node name="SphereFEM">
<EulerImplicitSolver />
<CGLinearSolver iterations="25" tolerance="0.000001" threshold="1e-5"/>
<MechanicalObject />
<UniformMass totalMass="100" />
<SphereGridTopology nx="10" ny="10" nz="10" radius="4.0" axis="0 1 0" />
<BoxConstraint box="-4 0.5 2.5 4 4 4" fixAll="0"/>
<HexahedronFEMForceField name="FEM" youngModulus="1116" poissonRatio="0.3" method="large" />
</Node>
<Node name="SphereSpring">
<EulerImplicitSolver />
<CGLinearSolver iterations="25" tolerance="0.000001" threshold="1e-5"/>
<MechanicalObject dx="10" />
<UniformMass totalMass="100" />
<SphereGridTopology nx="10" ny="10" nz="10" radius="4.0" axis="0 1 0" />
<BoxConstraint box="8 0.5 2.5 14 4 4" fixAll="0"/>
<MeshSpringForceField name="FEM" stiffness="1000" />
</Node>
</Node>
def createScene(root_node):
root = root_node.addChild('root', dt="0.02", gravity="0 -10 0")
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.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.Grid")
root.addObject('RequiredPlugin', name="Sofa.Component.Visual")
root.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
root.addObject('VisualStyle', displayFlags="showBehaviorModels showForceFields showVisual")
root.addObject('DefaultAnimationLoop', )
sphere_fem_tetra = root.addChild('SphereFEMTetra')
sphere_fem_tetra.addObject('EulerImplicitSolver', rayleighStiffness="0.1", rayleighMass="0.1")
sphere_fem_tetra.addObject('CGLinearSolver', iterations="25", tolerance="0.000001", threshold="1e-5")
sphere_fem_tetra.addObject('MechanicalObject', dx="-10")
sphere_fem_tetra.addObject('UniformMass', totalMass="100")
sphere_fem_tetra.addObject('SphereGridTopology', nx="10", ny="10", nz="10", radius="4.0", axis="0 1 0")
sphere_fem_tetra.addObject('BoxConstraint', box="-14 0.5 2.5 -8 4 4", fixAll="0")
sphere_fem_tetra.addObject('TetrahedronFEMForceField', name="FEM", youngModulus="1116", poissonRatio="0.3", method="polar")
visu = SphereFEMTetra.addChild('Visu')
visu.addObject('OglModel', name="Visual", color="red", translation="-5 0 0")
visu.addObject('IdentityMapping', input="@..", output="@Visual")
sphere_fem = root.addChild('SphereFEM')
sphere_fem.addObject('EulerImplicitSolver', )
sphere_fem.addObject('CGLinearSolver', iterations="25", tolerance="0.000001", threshold="1e-5")
sphere_fem.addObject('MechanicalObject', )
sphere_fem.addObject('UniformMass', totalMass="100")
sphere_fem.addObject('SphereGridTopology', nx="10", ny="10", nz="10", radius="4.0", axis="0 1 0")
sphere_fem.addObject('BoxConstraint', box="-4 0.5 2.5 4 4 4", fixAll="0")
sphere_fem.addObject('HexahedronFEMForceField', name="FEM", youngModulus="1116", poissonRatio="0.3", method="large")
sphere_spring = root.addChild('SphereSpring')
sphere_spring.addObject('EulerImplicitSolver', )
sphere_spring.addObject('CGLinearSolver', iterations="25", tolerance="0.000001", threshold="1e-5")
sphere_spring.addObject('MechanicalObject', dx="10")
sphere_spring.addObject('UniformMass', totalMass="100")
sphere_spring.addObject('SphereGridTopology', nx="10", ny="10", nz="10", radius="4.0", axis="0 1 0")
sphere_spring.addObject('BoxConstraint', box="8 0.5 2.5 14 4 4", fixAll="0")
sphere_spring.addObject('MeshSpringForceField', name="FEM", stiffness="1000")