Get a surface mesh's inner point

[JLYang123]

Is there any method that can get a inner point of a surface mesh? The locate method in Polygon_mesh_processing seems not provide such method.

[pentacular]

Please take a look at Side_of_triangle_mesh.

[JLYang123]

Thanks, i know this method can fast check weather a point is in/out a surface mesh, but how to get a inner point directly? I think a direct method is to choose a face and pick up points along the normal direction recursively (half split), and terminate when a point is checked to be inside this mesh. I want konw weather cgal provide a more simple method.

[pentacular]

I think it would help to understand why you want to find an arbitrary point that is inside the mesh?

[JLYang123]

In some situation, i will construct two isomorphic(same geometry) mesh(complex), but their volumes has different order, i want to link the corresponding volume, so i use inner point to locate which volume is same. Inner point can also be used to mark a region in mesh generation method