SmoothMeshEngine

Compute the laplacian smoothing of a mesh.

Vec3d

Templates:

• Vec3d

Target: Sofa.Component.Engine.Transform

namespace: sofa::component::engine::transform

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 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
input_indices	Position indices that need to be smoothed, leave empty for all positions
nb_iterations	Number of iterations of laplacian smoothing	1
Inputs
input_position	Input position
Outputs
output_position	Output position
Visualization
showInput	showInput	0
showOutput	showOutput	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
topology	link to the topology container	BaseMeshTopology

Examples

SmoothMeshEngine.scn

XMLPython

<?xml version="1.0"?>
<Node name="root" >
    <RequiredPlugin name="Sofa.Component.Engine.Transform"/> <!-- Needed to use components [SmoothMeshEngine] -->
    <RequiredPlugin name="Sofa.Component.IO.Mesh"/> <!-- Needed to use components [MeshOBJLoader] -->
    <RequiredPlugin name="Sofa.Component.Topology.Container.Constant"/> <!-- Needed to use components [MeshTopology] -->
    <RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [VisualStyle] -->
    <RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->

    <DefaultAnimationLoop/>
    <Node name="origin" >
        <VisualStyle displayFlags="showWireframe" />
        <MeshOBJLoader name="loader" filename="mesh/dragon.obj" />
        <OglModel name="visual" src="@loader" color="yellow" />
    </Node>
    <Node name="smoothed" >
        <VisualStyle displayFlags="hideWireframe" />
        <MeshTopology name="topology" src="@/origin/loader"/>
        <SmoothMeshEngine template="Vec3" name="smoother" input_position="@/origin/loader.position" nb_iterations="1" showOutput="true"/>
    </Node>
</Node>

def createScene(root_node):

   root = root_node.addChild('root')

   root.addObject('RequiredPlugin', name="Sofa.Component.Engine.Transform")
   root.addObject('RequiredPlugin', name="Sofa.Component.IO.Mesh")
   root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Constant")
   root.addObject('RequiredPlugin', name="Sofa.Component.Visual")
   root.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
   root.addObject('DefaultAnimationLoop', )

   origin = root.addChild('origin')

   origin.addObject('VisualStyle', displayFlags="showWireframe")
   origin.addObject('MeshOBJLoader', name="loader", filename="mesh/dragon.obj")
   origin.addObject('OglModel', name="visual", src="@loader", color="yellow")

   smoothed = root.addChild('smoothed')

   smoothed.addObject('VisualStyle', displayFlags="hideWireframe")
   smoothed.addObject('MeshTopology', name="topology", src="@/origin/loader")
   smoothed.addObject('SmoothMeshEngine', template="Vec3", name="smoother", input_position="@/origin/loader.position", nb_iterations="1", showOutput="true")