triangulated_grid.h 1.2 KB

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  1. // This file is part of libigl, a simple c++ geometry processing library.
  2. //
  3. // Copyright (C) 2018 Alec Jacobson <alecjacobson@gmail.com>
  4. //
  5. // This Source Code Form is subject to the terms of the Mozilla Public License
  6. // v. 2.0. If a copy of the MPL was not distributed with this file, You can
  7. // obtain one at http://mozilla.org/MPL/2.0/.
  8. #ifndef IGL_TRIANGULATEGRID_H
  9. #define IGL_TRIANGULATEGRID_H
  10. #include "igl_inline.h"
  11. #include <Eigen/Core>
  12. namespace igl
  13. {
  14. // Create a regular grid of elements (only 2D supported, currently)
  15. // Vertex position order is compatible with `igl::grid`
  16. //
  17. // Inputs:
  18. // nx number of vertices in the x direction
  19. // ny number of vertices in the y direction
  20. // Outputs:
  21. // GV nx*ny by 2 list of mesh vertex positions.
  22. // GF 2*(nx-1)*(ny-1) by 3 list of triangle indices
  23. template <
  24. typename XType,
  25. typename YType,
  26. typename DerivedGV,
  27. typename DerivedGF>
  28. IGL_INLINE void triangulated_grid(
  29. const XType & nx,
  30. const YType & ny,
  31. Eigen::PlainObjectBase<DerivedGV> & GV,
  32. Eigen::PlainObjectBase<DerivedGF> & GF);
  33. }
  34. #ifndef IGL_STATIC_LIBRARY
  35. # include "triangulated_grid.cpp"
  36. #endif
  37. #endif