PoissonSurfaceReconstruction

Generate triangular surface mesh from point cloud

Target: CGALPlugin

namespace: cgal

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
position	Input point cloud positions
normals	Input point cloud normals
angle	Bound for the minimum facet angle in degrees	20
radius	Bound for the radius of the surface Delaunay balls (relatively to the average_spacing)	30
distance	Bound for the center-center distances (relatively to the average_spacing)	0.375
Outputs
outputPosition	Output position of the surface mesh
outputTriangles	Output triangles of the surface mesh

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

PoissonSurfaceReconstruction.scn

XMLPython

<?xml version="1.0"?>
<Node name="root" gravity="0 0 0" dt="1"  >
    <RequiredPlugin pluginName="CGALPlugin"/>
  <RequiredPlugin pluginName='SofaOpenglVisual'/>

    <VisualStyle displayFlags="showVisual" />

    <Node name="PointCloud">
        <MeshOBJLoader name="loader" filename="mesh/liver.obj"/>
        <MeshTopology src="@loader"/>
        <MechanicalObject showObject="1" showObjectScale="5"/>
    </Node>

    <Node name="PoissonSurfaceReconstruction">
        <PoissonSurfaceReconstruction name="engine" src="@../PointCloud/loader" angle="20" radius="30" distance="0.375"/>
        <MeshTopology position="@engine.outputPosition" triangles="@engine.outputTriangles"/>
        <OglModel color="1 0 0"/>
    </Node>

</Node>

def createScene(root_node):

   root = root_node.addChild('root', gravity="0 0 0", dt="1")

   root.addObject('RequiredPlugin', pluginName="CGALPlugin")
   root.addObject('RequiredPlugin', pluginName="SofaOpenglVisual")
   root.addObject('VisualStyle', displayFlags="showVisual")

   point_cloud = root.addChild('PointCloud')

   point_cloud.addObject('MeshOBJLoader', name="loader", filename="mesh/liver.obj")
   point_cloud.addObject('MeshTopology', src="@loader")
   point_cloud.addObject('MechanicalObject', showObject="1", showObjectScale="5")

   poisson_surface_reconstruction = root.addChild('PoissonSurfaceReconstruction')

   poisson_surface_reconstruction.addObject('PoissonSurfaceReconstruction', name="engine", src="@../PointCloud/loader", angle="20", radius="30", distance="0.375")
   poisson_surface_reconstruction.addObject('MeshTopology', position="@engine.outputPosition", triangles="@engine.outputTriangles")
   poisson_surface_reconstruction.addObject('OglModel', color="1 0 0")