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ImplicitSurfaceMapping

Compute an iso-surface from a set of particles

Vec3d,Vec3d

Templates:

  • Vec3d,Vec3d

Target: SofaImplicitField

namespace: sofa::component::mapping

parents:

  • Mapping
  • 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 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
mapForces Are forces mapped ? 1
mapConstraints Are constraints mapped ? 1
mapMasses Are masses mapped ? 1
mapMatrices Are matrix explicit mapped? 0
applyRestPosition set to true to apply this mapping to restPosition at init 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
step Step 0.5
radius Radius 2
isoValue Iso Value 0.5
min Grid Min -100 -100 -100
max Grid Max 100 100 100
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
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
input Input object to map State<Vec3d>
output Output object to map State<Vec3d>

Examples

ImplicitSurfaceMapping.scn

<Node dt="0.005" gravity="0 -10 0">
    <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.Mass"/> <!-- Needed to use components [UniformMass] -->
    <RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
    <RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
    <RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [VisualStyle] -->
    <RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->
    <RequiredPlugin name="SofaImplicitField"/> <!-- Needed to use components [ImplicitSurfaceMapping] -->
    <VisualStyle displayFlags="showBehaviorModels showForceFields" />
    <Node name="Liver">
        <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/liver.msh" />
        <MechanicalObject src="@loader" name="dofs" />
        <UniformMass name="M1" vertexMass="1" />
        <Node id="Visual">
            <OglModel name="VModel" color="blue" />
            <ImplicitSurfaceMapping name="MarchingCube" input="@../dofs" output="@VModel" isoValue="0.5" radius="0.75" step="0.25" />
        </Node>
    </Node>
</Node>

def createScene(root_node):

   node = root_node.addChild('node', dt="0.005", gravity="0 -10 0")

   node.addObject('RequiredPlugin', name="Sofa.Component.IO.Mesh")
   node.addObject('RequiredPlugin', name="Sofa.Component.LinearSolver.Iterative")
   node.addObject('RequiredPlugin', name="Sofa.Component.Mass")
   node.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Backward")
   node.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
   node.addObject('RequiredPlugin', name="Sofa.Component.Visual")
   node.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
   node.addObject('RequiredPlugin', name="SofaImplicitField")
   node.addObject('VisualStyle', displayFlags="showBehaviorModels showForceFields")

   liver = node.addChild('Liver')

   liver.addObject('EulerImplicitSolver', name="cg_odesolver", printLog="false", rayleighStiffness="0.1", rayleighMass="0.1")
   liver.addObject('CGLinearSolver', iterations="25", name="linear solver", tolerance="1.0e-9", threshold="1.0e-9")
   liver.addObject('MeshGmshLoader', name="loader", filename="mesh/liver.msh")
   liver.addObject('MechanicalObject', src="@loader", name="dofs")
   liver.addObject('UniformMass', name="M1", vertexMass="1")

   node = Liver.addChild('node', id="Visual")

   node.addObject('OglModel', name="VModel", color="blue")
   node.addObject('ImplicitSurfaceMapping', name="MarchingCube", input="@../dofs", output="@VModel", isoValue="0.5", radius="0.75", step="0.25")