PointSplatModel
A simple visualization for a cloud of points.
Target: Sofa.GL.Component.Rendering3D
namespace: sofa::gl::component::rendering3d
parents:
- VisualModel
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 |
| enable | Display the object or not | 1 |
| radius | Radius of the spheres. | 1 |
| textureSize | Size of the billboard texture. | 32 |
| alpha | Opacity of the billboards. 1.0 is 100% opaque. | 1 |
| color | Billboard color.(default=[1.0,1.0,1.0,1.0]) | 1 1 1 1 |
| pointData | scalar field modulating point colors |
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
PointSplatModel.scn
<?xml version="1.0" ?>
<!-- Mechanical PointSplatModel Example -->
<Node dt="0.005" gravity="0 -10 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 [NewProximityIntersection] -->
<RequiredPlugin name="Sofa.Component.Collision.Geometry"/> <!-- Needed to use components [LineCollisionModel PointCollisionModel TriangleCollisionModel] -->
<RequiredPlugin name="Sofa.Component.Collision.Response.Contact"/> <!-- Needed to use components [CollisionResponse] -->
<RequiredPlugin name="Sofa.Component.IO.Mesh"/> <!-- Needed to use components [MeshOBJLoader] -->
<RequiredPlugin name="Sofa.Component.Mass"/> <!-- Needed to use components [UniformMass] -->
<RequiredPlugin name="Sofa.Component.ODESolver.Forward"/> <!-- Needed to use components [RungeKutta4Solver] -->
<RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
<RequiredPlugin name="Sofa.Component.Topology.Container.Constant"/> <!-- Needed to use components [MeshTopology] -->
<RequiredPlugin name="Sofa.Component.Topology.Container.Dynamic"/> <!-- Needed to use components [PointSetTopologyContainer PointSetTopologyModifier] -->
<RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel PointSplatModel] -->
<DefaultAnimationLoop/>
<CollisionPipeline verbose="0" />
<NewProximityIntersection alarmDistance="0.5" contactDistance="0.3" />
<BruteForceBroadPhase/>
<BVHNarrowPhase/>
<CollisionResponse response="PenalityContactForceField" />
<Node name="Fluid">
<RungeKutta4Solver />
<MeshOBJLoader name="meshLoader" filename="mesh/dragon_clean.obj" scale3d="0.2 0.2 0.2"/>
<PointSetTopologyContainer />
<MechanicalObject name="MModel" position="@meshLoader.position"/>
<PointSetTopologyContainer name="con" />
<PointSetTopologyModifier name="mod" />
<UniformMass name="M1" vertexMass="1" />
<!-- Visual model -->
<PointSplatModel name="VModel" radius="0.25" alpha="0.1" color="cyan" />
<PointCollisionModel contactStiffness="100" />
</Node>
<Node name="World">
<MechanicalObject position="-4 -1.6 -4 4 -5.6 -4 4 -6.4 4 -4 -2.4 4" scale="1.075" />
<MeshTopology triangles="0 1 2 0 2 3" />
<TriangleCollisionModel contactStiffness="20" moving="false" simulated="false" />
<LineCollisionModel contactStiffness="20" moving="false" simulated="false" />
<PointCollisionModel contactStiffness="20" moving="false" simulated="false" />
<OglModel name="VModel" color="blue" printLog="true" />
</Node>
</Node>
def createScene(root_node):
node = root_node.addChild('node', dt="0.005", gravity="0 -10 0")
node.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Algorithm")
node.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Intersection")
node.addObject('RequiredPlugin', name="Sofa.Component.Collision.Geometry")
node.addObject('RequiredPlugin', name="Sofa.Component.Collision.Response.Contact")
node.addObject('RequiredPlugin', name="Sofa.Component.IO.Mesh")
node.addObject('RequiredPlugin', name="Sofa.Component.Mass")
node.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Forward")
node.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
node.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Constant")
node.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Dynamic")
node.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
node.addObject('DefaultAnimationLoop', )
node.addObject('CollisionPipeline', verbose="0")
node.addObject('NewProximityIntersection', alarmDistance="0.5", contactDistance="0.3")
node.addObject('BruteForceBroadPhase', )
node.addObject('BVHNarrowPhase', )
node.addObject('CollisionResponse', response="PenalityContactForceField")
fluid = node.addChild('Fluid')
fluid.addObject('RungeKutta4Solver', )
fluid.addObject('MeshOBJLoader', name="meshLoader", filename="mesh/dragon_clean.obj", scale3d="0.2 0.2 0.2")
fluid.addObject('PointSetTopologyContainer', )
fluid.addObject('MechanicalObject', name="MModel", position="@meshLoader.position")
fluid.addObject('PointSetTopologyContainer', name="con")
fluid.addObject('PointSetTopologyModifier', name="mod")
fluid.addObject('UniformMass', name="M1", vertexMass="1")
fluid.addObject('PointSplatModel', name="VModel", radius="0.25", alpha="0.1", color="cyan")
fluid.addObject('PointCollisionModel', contactStiffness="100")
world = node.addChild('World')
world.addObject('MechanicalObject', position="-4 -1.6 -4 4 -5.6 -4 4 -6.4 4 -4 -2.4 4", scale="1.075")
world.addObject('MeshTopology', triangles="0 1 2 0 2 3")
world.addObject('TriangleCollisionModel', contactStiffness="20", moving="false", simulated="false")
world.addObject('LineCollisionModel', contactStiffness="20", moving="false", simulated="false")
world.addObject('PointCollisionModel', contactStiffness="20", moving="false", simulated="false")
world.addObject('OglModel', name="VModel", color="blue", printLog="true")
PointSplatModel.scn
<?xml version="1.0" ?>
<!-- Mechanical PointSplatModel Example -->
<Node dt="0.005" gravity="0 -10 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 [NewProximityIntersection] -->
<RequiredPlugin name="Sofa.Component.Collision.Geometry"/> <!-- Needed to use components [LineCollisionModel PointCollisionModel TriangleCollisionModel] -->
<RequiredPlugin name="Sofa.Component.Collision.Response.Contact"/> <!-- Needed to use components [CollisionResponse] -->
<RequiredPlugin name="Sofa.Component.Mass"/> <!-- Needed to use components [UniformMass] -->
<RequiredPlugin name="Sofa.Component.ODESolver.Forward"/> <!-- Needed to use components [RungeKutta4Solver] -->
<RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
<RequiredPlugin name="Sofa.Component.Topology.Container.Constant"/> <!-- Needed to use components [MeshTopology] -->
<RequiredPlugin name="Sofa.Component.Topology.Container.Dynamic"/> <!-- Needed to use components [PointSetTopologyContainer PointSetTopologyModifier] -->
<RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel PointSplatModel] -->
<RequiredPlugin name="SofaSphFluid"/> <!-- Needed to use components [ParticleSink ParticleSource SPHFluidForceField SpatialGridContainer SpatialGridPointModel] -->
<DefaultAnimationLoop/>
<CollisionPipeline verbose="0" />
<NewProximityIntersection alarmDistance="0.5" contactDistance="0.3" />
<BruteForceBroadPhase/>
<BVHNarrowPhase/>
<CollisionResponse response="PenalityContactForceField" />
<Node name="Fluid">
<RungeKutta4Solver />
<PointSetTopologyContainer />
<MechanicalObject name="MModel" />
<PointSetTopologyContainer name="con" />
<PointSetTopologyModifier name="mod" />
<ParticleSource name="Source" translation="0 3 0" radius="0.01 0.1 0.01" velocity="0 -20 0" delay="0.01875" start="-0.1" stop="2"
center="-0.375 0 -0.75
0.0 0.0 -0.75
0.375 0.0 -0.75
-0.75 0.0 -0.375
-0.375 0.0 -0.375
0.0 0.0 -0.375
0.375 0.0 -0.375
0.75 0.0 -0.375
-0.75 0.0 0.0
-0.375 0.0 0.0
0.0 0.0 0.0
0.375 0.0 0.0
0.75 0.0 0.0
-0.75 0.0 0.375
-0.375 0.0 0.375
0.0 0.0 0.375
0.375 0.0 0.375
0.75 0.0 0.375
-0.375 0.0 0.75
0.0 0.0 0.75
0.375 0.0 0.75"/>
<ParticleSink normal="0 1 0" d0="-10" d1="-11" showPlane="true" printLog="true" />
<UniformMass name="M1" vertexMass="1" />
<SpatialGridContainer cellWidth="0.75" sortPoints="true" />
<SPHFluidForceField radius="0.75" density="15" viscosity="10" pressure="1000" surfaceTension="-1000" />
<!-- Visual model -->
<PointSplatModel name="VModel" radius="0.5" alpha="0.04" color="cyan" />
<!-- Collision model -->
<SpatialGridPointModel contactStiffness="1000" />
</Node>
<Node name="World">
<MechanicalObject position="-4 -1.6 -4 4 -5.6 -4 4 -6.4 4 -4 -2.4 4" scale="1.075" />
<MeshTopology triangles="0 1 2 0 2 3" />
<TriangleCollisionModel contactStiffness="20" moving="false" simulated="false" />
<LineCollisionModel contactStiffness="20" moving="false" simulated="false" />
<PointCollisionModel contactStiffness="20" moving="false" simulated="false" />
<OglModel name="VModel" color="blue" printLog="true" />
</Node>
</Node>
def createScene(root_node):
node = root_node.addChild('node', dt="0.005", gravity="0 -10 0")
node.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Algorithm")
node.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Intersection")
node.addObject('RequiredPlugin', name="Sofa.Component.Collision.Geometry")
node.addObject('RequiredPlugin', name="Sofa.Component.Collision.Response.Contact")
node.addObject('RequiredPlugin', name="Sofa.Component.Mass")
node.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Forward")
node.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
node.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Constant")
node.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Dynamic")
node.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
node.addObject('RequiredPlugin', name="SofaSphFluid")
node.addObject('DefaultAnimationLoop', )
node.addObject('CollisionPipeline', verbose="0")
node.addObject('NewProximityIntersection', alarmDistance="0.5", contactDistance="0.3")
node.addObject('BruteForceBroadPhase', )
node.addObject('BVHNarrowPhase', )
node.addObject('CollisionResponse', response="PenalityContactForceField")
fluid = node.addChild('Fluid')
fluid.addObject('RungeKutta4Solver', )
fluid.addObject('PointSetTopologyContainer', )
fluid.addObject('MechanicalObject', name="MModel")
fluid.addObject('PointSetTopologyContainer', name="con")
fluid.addObject('PointSetTopologyModifier', name="mod")
fluid.addObject('ParticleSource', name="Source", translation="0 3 0", radius="0.01 0.1 0.01", velocity="0 -20 0", delay="0.01875", start="-0.1", stop="2", center="-0.375 0 -0.75 0.0 0.0 -0.75 0.375 0.0 -0.75 -0.75 0.0 -0.375 -0.375 0.0 -0.375 0.0 0.0 -0.375 0.375 0.0 -0.375 0.75 0.0 -0.375 -0.75 0.0 0.0 -0.375 0.0 0.0 0.0 0.0 0.0 0.375 0.0 0.0 0.75 0.0 0.0 -0.75 0.0 0.375 -0.375 0.0 0.375 0.0 0.0 0.375 0.375 0.0 0.375 0.75 0.0 0.375 -0.375 0.0 0.75 0.0 0.0 0.75 0.375 0.0 0.75")
fluid.addObject('ParticleSink', normal="0 1 0", d0="-10", d1="-11", showPlane="true", printLog="true")
fluid.addObject('UniformMass', name="M1", vertexMass="1")
fluid.addObject('SpatialGridContainer', cellWidth="0.75", sortPoints="true")
fluid.addObject('SPHFluidForceField', radius="0.75", density="15", viscosity="10", pressure="1000", surfaceTension="-1000")
fluid.addObject('PointSplatModel', name="VModel", radius="0.5", alpha="0.04", color="cyan")
fluid.addObject('SpatialGridPointModel', contactStiffness="1000")
world = node.addChild('World')
world.addObject('MechanicalObject', position="-4 -1.6 -4 4 -5.6 -4 4 -6.4 4 -4 -2.4 4", scale="1.075")
world.addObject('MeshTopology', triangles="0 1 2 0 2 3")
world.addObject('TriangleCollisionModel', contactStiffness="20", moving="false", simulated="false")
world.addObject('LineCollisionModel', contactStiffness="20", moving="false", simulated="false")
world.addObject('PointCollisionModel', contactStiffness="20", moving="false", simulated="false")
world.addObject('OglModel', name="VModel", color="blue", printLog="true")