CylinderGridTopology
Cylinder 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 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 | |
| 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 |
| length | Length of the cylinder along its axis | 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
CylinderGridTopology.scn
<Node name="root" dt="0.02" gravity="0 0 100">
<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.IO.Mesh"/> <!-- Needed to use components [MeshOBJLoader] -->
<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 [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 [CylinderGridTopology] -->
<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="Reference">
<MeshOBJLoader name="meshLoader_0" filename="mesh/truthcylinder1-bent.obj" scale="0.95" handleSeams="1" />
<OglModel src="@meshLoader_0" dx="20" dy="17" dz="0" color="green" />
</Node>
<Node name="CylinderFEMTetra">
<EulerImplicitSolver rayleighStiffness="0.1" rayleighMass="0.1" />
<CGLinearSolver iterations="25" tolerance="0.000001" threshold="1e-5"/>
<MechanicalObject dx="-10" />
<UniformMass totalMass="15" />
<CylinderGridTopology nx="5" ny="5" nz="20" length="35.56" radius="3.75" axis="0 1 0" />
<BoxConstraint box="-14 -0.1 -4 -6 0.1 4" fixAll="0" />
<TetrahedronFEMForceField name="FEM" youngModulus="1116" poissonRatio="0.3" method="polar" />
</Node>
<Node name="CylinderFEM">
<EulerImplicitSolver />
<CGLinearSolver iterations="25" tolerance="0.000001" threshold="1e-5"/>
<MechanicalObject />
<UniformMass totalMass="15" />
<CylinderGridTopology nx="5" ny="5" nz="20" length="35.56" radius="3.75" axis="0 1 0" />
<BoxConstraint box="-4 -0.1 -4 4 0.1 4" fixAll="0" />
<HexahedronFEMForceField name="FEM" youngModulus="1116" poissonRatio="0.3" method="large" />
</Node>
<Node name="CylinderSpring">
<EulerImplicitSolver />
<CGLinearSolver iterations="25" tolerance="0.000001" threshold="1e-5"/>
<MechanicalObject dx="10" />
<UniformMass totalMass="15" />
<CylinderGridTopology nx="5" ny="5" nz="20" length="35.56" radius="3.75" axis="0 1 0" />
<BoxConstraint box="6 -0.1 -4 14 0.1 4" fixAll="0" />
<MeshSpringForceField name="FEM" stiffness="1000" />
</Node>
</Node>
def createScene(root_node):
root = root_node.addChild('root', dt="0.02", gravity="0 0 100")
root.addObject('RequiredPlugin', name="Sofa.Component.Constraint.Projective")
root.addObject('RequiredPlugin', name="Sofa.Component.Engine.Select")
root.addObject('RequiredPlugin', name="Sofa.Component.IO.Mesh")
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.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', )
reference = root.addChild('Reference')
reference.addObject('MeshOBJLoader', name="meshLoader_0", filename="mesh/truthcylinder1-bent.obj", scale="0.95", handleSeams="1")
reference.addObject('OglModel', src="@meshLoader_0", dx="20", dy="17", dz="0", color="green")
cylinder_fem_tetra = root.addChild('CylinderFEMTetra')
cylinder_fem_tetra.addObject('EulerImplicitSolver', rayleighStiffness="0.1", rayleighMass="0.1")
cylinder_fem_tetra.addObject('CGLinearSolver', iterations="25", tolerance="0.000001", threshold="1e-5")
cylinder_fem_tetra.addObject('MechanicalObject', dx="-10")
cylinder_fem_tetra.addObject('UniformMass', totalMass="15")
cylinder_fem_tetra.addObject('CylinderGridTopology', nx="5", ny="5", nz="20", length="35.56", radius="3.75", axis="0 1 0")
cylinder_fem_tetra.addObject('BoxConstraint', box="-14 -0.1 -4 -6 0.1 4", fixAll="0")
cylinder_fem_tetra.addObject('TetrahedronFEMForceField', name="FEM", youngModulus="1116", poissonRatio="0.3", method="polar")
cylinder_fem = root.addChild('CylinderFEM')
cylinder_fem.addObject('EulerImplicitSolver', )
cylinder_fem.addObject('CGLinearSolver', iterations="25", tolerance="0.000001", threshold="1e-5")
cylinder_fem.addObject('MechanicalObject', )
cylinder_fem.addObject('UniformMass', totalMass="15")
cylinder_fem.addObject('CylinderGridTopology', nx="5", ny="5", nz="20", length="35.56", radius="3.75", axis="0 1 0")
cylinder_fem.addObject('BoxConstraint', box="-4 -0.1 -4 4 0.1 4", fixAll="0")
cylinder_fem.addObject('HexahedronFEMForceField', name="FEM", youngModulus="1116", poissonRatio="0.3", method="large")
cylinder_spring = root.addChild('CylinderSpring')
cylinder_spring.addObject('EulerImplicitSolver', )
cylinder_spring.addObject('CGLinearSolver', iterations="25", tolerance="0.000001", threshold="1e-5")
cylinder_spring.addObject('MechanicalObject', dx="10")
cylinder_spring.addObject('UniformMass', totalMass="15")
cylinder_spring.addObject('CylinderGridTopology', nx="5", ny="5", nz="20", length="35.56", radius="3.75", axis="0 1 0")
cylinder_spring.addObject('BoxConstraint', box="6 -0.1 -4 14 0.1 4", fixAll="0")
cylinder_spring.addObject('MeshSpringForceField', name="FEM", stiffness="1000")