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 |
|---|---|
| context | Graph Node containing this object (or BaseContext::getDefault() if no graph is used) |
| slaves | Sub-objects used internally by this object |
| master | nullptr for regular objects, or master object for which this object is one sub-objects |
Examples
Component/Visual/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(rootNode):
rootNode = rootNode.addChild('rootNode', dt="0.005", gravity="0 -10 0")
rootNode.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Algorithm")
rootNode.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Intersection")
rootNode.addObject('RequiredPlugin', name="Sofa.Component.Collision.Geometry")
rootNode.addObject('RequiredPlugin', name="Sofa.Component.Collision.Response.Contact")
rootNode.addObject('RequiredPlugin', name="Sofa.Component.IO.Mesh")
rootNode.addObject('RequiredPlugin', name="Sofa.Component.Mass")
rootNode.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Forward")
rootNode.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
rootNode.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Constant")
rootNode.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Dynamic")
rootNode.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
rootNode.addObject('DefaultAnimationLoop')
rootNode.addObject('CollisionPipeline', verbose="0")
rootNode.addObject('NewProximityIntersection', alarmDistance="0.5", contactDistance="0.3")
rootNode.addObject('BruteForceBroadPhase')
rootNode.addObject('BVHNarrowPhase')
rootNode.addObject('CollisionResponse', response="PenalityContactForceField")
Fluid = rootNode.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 = rootNode.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")