Comments (5)
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.
Related Issues (20)
- Convert mesh regions to 2d, alter in 2d, push back into 3d mesh
- Is this project dead? HOT 1
- Get brick materials right
- Fix hover info on bricks
- Rewrite right pointer (PLEASE!) HOT 1
- Mesh expansion and comparison
- Refactor cursor3d
- Refactor HandR and HandL to use input action class
- Write playmode tests for right pointer flow
- Rider clean project to adjust line length
- Break up LDrawConfig into different classes
- Refactor BrickMaterialsLoader (PLEASE!!!)
- Example of mesh volume calculation HOT 3
- 这个可以做曲面拟合吗?
- Can this be used for surface fitting?
- Narrow band SDF generation from meshes is adding a shell to objects HOT 1
- Minkowski sum 3D
- Get closest vertex on mesh surface HOT 2
- Boolean operations on polygons and polyhedra?
- Quadratic Bezier Curves HOT 1
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from geometry3sharp.