Do you have any idea to create this kind model with geometry3Sharp library? about geometry3sharp HOT 5 CLOSED

and this one. https://sketchfab.com/models/107154d103bd4b4f8e847546fff2d494

from geometry3sharp.

This is one way: http://mesh.brown.edu/DGP/pdfs/Carr-sg2001.pdf

This mode: https://sketchfab.com/models/c44fbdb8feed4f0393df4814b7772b10 mentions the different techniques - "FastRBF" is that paper (they started a company: fastrbf.com)

The WildMagic library has a radial basis function interpolation implementation: https://geometrictools.com/

it is not that difficult to implement, really - you just solve a matrix. That gives you a function F(x,y,z), which you can plug into a marching cubes mesher, which I do have in g3sharp.

I have a sparse matrix solver (iterative, conjugate gradient) which would work with RBF setups that use locally-supported basis functions. For global support (like FastRBF), you need to solve a dense matrix, which only works up to a few thousand points. After that you need fast-multipole-methods (FMM), which is what FastRBF sells.

from geometry3sharp.

It seems MarchingCubes can be used to create the model. Is there any function can be used to create DMesh3 with only some points?

from geometry3sharp.

no, not in g3sharp currently.

from geometry3sharp.

so I have to create a mesh firstly, then convert to DMesh3 object,

from geometry3sharp.