对区域上的点采样

版本 11 包括了对区域上的点的均匀采样以及用点对表面进行重构.

斯坦福兔.

In[1]:=

mesh = ExampleData[{"Geometry3D", "StanfordBunny"}, "Region"];

In[2]:=

MeshCellCount[mesh]

Out[2]=

降采样.

In[3]:=

pointcloud = RandomPoint[mesh, 10000];

In[4]:=

Graphics3D[{PointSize[Small], Point[pointcloud]}]

Out[4]=

根据点重构一个较小的表面.

In[5]:=

ListSurfacePlot3D[pointcloud, MaxPlotPoints -> 40, Axes -> None, Boxed -> False, Mesh -> None]

Out[5]=

In[6]:=

ListSurfacePlot3D[pointcloud, MaxPlotPoints -> 40, Axes -> None, Boxed -> False, Mesh -> None]; MeshCellCount[DiscretizeGraphics[%]]

Out[6]=