ProximityROI
Find the N closest primitives from a given position.
Vec3d
Templates:
- Vec3d
Target: Sofa.Component.Engine.Select
namespace: sofa::component::engine::select
parents:
- DataEngine
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 |
| Inputs | ||
| centers | Center(s) of the sphere(s) | |
| radii | Radius(i) of the sphere(s) | |
| N | Maximum number of points to select | |
| position | Rest position coordinates of the degrees of freedom | |
| Outputs | ||
| indices | Indices of the points contained in the ROI | |
| pointsInROI | Points contained in the ROI | |
| distance | distance between the points contained in the ROI and the closest center. | |
| indicesOut | Indices of the points not contained in the ROI | |
| Visualization | ||
| drawSphere | Draw sphere(s) | 0 |
| drawPoints | Draw Points | 0 |
| drawSize | rendering size for box and topological elements | 1 |
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
ProximityROI.scn
<Node name="root" dt="0.05" showBoundingTree="0" gravity="0 -9 0">
<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 [MinProximityIntersection] -->
<RequiredPlugin name="Sofa.Component.Collision.Geometry"/> <!-- Needed to use components [TriangleCollisionModel] -->
<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.Engine.Select"/> <!-- Needed to use components [ProximityROI] -->
<RequiredPlugin name="Sofa.Component.IO.Mesh"/> <!-- Needed to use components [MeshGmshLoader] -->
<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 [DiagonalMass] -->
<RequiredPlugin name="Sofa.Component.MechanicalLoad"/> <!-- Needed to use components [TrianglePressureForceField] -->
<RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
<RequiredPlugin name="Sofa.Component.SolidMechanics.FEM.Elastic"/> <!-- Needed to use components [TetrahedralCorotationalFEMForceField TriangularFEMForceField] -->
<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.Dynamic"/> <!-- Needed to use components [TetrahedronSetGeometryAlgorithms TetrahedronSetTopologyContainer TetrahedronSetTopologyModifier TriangleSetGeometryAlgorithms TriangleSetTopologyContainer TriangleSetTopologyModifier] -->
<RequiredPlugin name="Sofa.Component.Topology.Mapping"/> <!-- Needed to use components [Tetra2TriangleTopologicalMapping] -->
<RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [VisualStyle] -->
<RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->
<DefaultAnimationLoop/>
<VisualStyle displayFlags="showBehaviorModels showWireframe" />
<CollisionPipeline verbose="0" />
<BruteForceBroadPhase/>
<BVHNarrowPhase/>
<CollisionResponse response="PenalityContactForceField" />
<MinProximityIntersection name="Proximity" alarmDistance="0.8" contactDistance="0.5" />
<Node name="TT">
<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" />
<MeshGmshLoader name="loader" filename="mesh/cylinder.msh" />
<MechanicalObject src="@loader" name="Volume" />
<include href="Objects/TetrahedronSetTopology.xml" src="@loader" />
<DiagonalMass massDensity="5" />
<ProximityROI name="fixedROI" centers="0 0 1 0 0 0 0 0 0.5" radii="0.1 0.2" N="40" drawSphere="1" drawPoints="1" />
<FixedProjectiveConstraint indices="@fixedROI.indices" />
<Node name="doNothing">
<ProximityROI name="p1" centers="0 0 1" radii="0.1 0.2 0.3" N="40" />
<ProximityROI name="p2" centers="0 0 1 0 0 0" N="40" />
<ProximityROI name="p3" centers="0 0 1 0 0 0" radii="0.1 0.1" />
</Node>
<TetrahedralCorotationalFEMForceField name="FEM" youngModulus="20" poissonRatio="0.4" method="large" />
<Node name="T">
<include href="Objects/TriangleSetTopology.xml" src="@../loader" tags=" " />
<Tetra2TriangleTopologicalMapping input="@../Container" output="@Container" />
<TriangularFEMForceField name="FEM" youngModulus="50" poissonRatio="0.3" method="large" />
<TriangularBendingSprings name="FEM-Bend" stiffness="300" damping="1.0" />
<TrianglePressureForceField normal="0 -0.2 1" dmin="0.9" dmax="1.1" pressure="0.4 0 0" />
<TriangleCollisionModel />
<Node name="Visu">
<OglModel template="Vec3" name="Visual" material="Default Diffuse 1 0 0 1 0.5 Ambient 1 0.2 0 0 1 Specular 0 1 0 0 1 Emissive 0 1 0 0 1 Shininess 0 45" />
<IdentityMapping input="@../../Volume" output="@Visual" />
</Node>
</Node>
</Node>
</Node>
def createScene(root_node):
root = root_node.addChild('root', dt="0.05", showBoundingTree="0", gravity="0 -9 0")
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.Geometry")
root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Response.Contact")
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.Mapping.Linear")
root.addObject('RequiredPlugin', name="Sofa.Component.Mass")
root.addObject('RequiredPlugin', name="Sofa.Component.MechanicalLoad")
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.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('DefaultAnimationLoop', )
root.addObject('VisualStyle', displayFlags="showBehaviorModels showWireframe")
root.addObject('CollisionPipeline', verbose="0")
root.addObject('BruteForceBroadPhase', )
root.addObject('BVHNarrowPhase', )
root.addObject('CollisionResponse', response="PenalityContactForceField")
root.addObject('MinProximityIntersection', name="Proximity", alarmDistance="0.8", contactDistance="0.5")
tt = root.addChild('TT')
tt.addObject('EulerImplicitSolver', name="cg_odesolver", printLog="false", rayleighStiffness="0.1", rayleighMass="0.1")
tt.addObject('CGLinearSolver', iterations="25", name="linear solver", tolerance="1.0e-9", threshold="1.0e-9")
tt.addObject('MeshGmshLoader', name="loader", filename="mesh/cylinder.msh")
tt.addObject('MechanicalObject', src="@loader", name="Volume")
tt.addObject('include', href="Objects/TetrahedronSetTopology.xml", src="@loader")
tt.addObject('DiagonalMass', massDensity="5")
tt.addObject('ProximityROI', name="fixedROI", centers="0 0 1 0 0 0 0 0 0.5", radii="0.1 0.2", N="40", drawSphere="1", drawPoints="1")
tt.addObject('FixedProjectiveConstraint', indices="@fixedROI.indices")
do_nothing = TT.addChild('doNothing')
do_nothing.addObject('ProximityROI', name="p1", centers="0 0 1", radii="0.1 0.2 0.3", N="40")
do_nothing.addObject('ProximityROI', name="p2", centers="0 0 1 0 0 0", N="40")
do_nothing.addObject('ProximityROI', name="p3", centers="0 0 1 0 0 0", radii="0.1 0.1")
tt.addObject('TetrahedralCorotationalFEMForceField', name="FEM", youngModulus="20", poissonRatio="0.4", method="large")
t = TT.addChild('T')
t.addObject('include', href="Objects/TriangleSetTopology.xml", src="@../loader", tags=" ")
t.addObject('Tetra2TriangleTopologicalMapping', input="@../Container", output="@Container")
t.addObject('TriangularFEMForceField', name="FEM", youngModulus="50", poissonRatio="0.3", method="large")
t.addObject('TriangularBendingSprings', name="FEM-Bend", stiffness="300", damping="1.0")
t.addObject('TrianglePressureForceField', normal="0 -0.2 1", dmin="0.9", dmax="1.1", pressure="0.4 0 0")
t.addObject('TriangleCollisionModel', )
visu = T.addChild('Visu')
visu.addObject('OglModel', template="Vec3", name="Visual", material="Default Diffuse 1 0 0 1 0.5 Ambient 1 0.2 0 0 1 Specular 0 1 0 0 1 Emissive 0 1 0 0 1 Shininess 0 45")
visu.addObject('IdentityMapping', input="@../../Volume", output="@Visual")