centroid.h 1.3 KB

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  1. // This file is part of libigl, a simple c++ geometry processing library.
  2. //
  3. // Copyright (C) 2014 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_CENTROID_H
  9. #define IGL_CENTROID_H
  10. #include "igl_inline.h"
  11. #include <Eigen/Core>
  12. namespace igl
  13. {
  14. // CENTROID Computes the centroid of a closed mesh using a surface integral.
  15. //
  16. // Inputs:
  17. // V #V by dim list of rest domain positions
  18. // F #F by 3 list of triangle indices into V
  19. // Outputs:
  20. // c dim vector of centroid coordinates
  21. // vol total volume of solid.
  22. //
  23. template <
  24. typename DerivedV,
  25. typename DerivedF,
  26. typename Derivedc,
  27. typename Derivedvol>
  28. IGL_INLINE void centroid(
  29. const Eigen::PlainObjectBase<DerivedV>& V,
  30. const Eigen::PlainObjectBase<DerivedF>& F,
  31. Eigen::PlainObjectBase<Derivedc>& c,
  32. Derivedvol & vol);
  33. template <
  34. typename DerivedV,
  35. typename DerivedF,
  36. typename Derivedc>
  37. IGL_INLINE void centroid(
  38. const Eigen::PlainObjectBase<DerivedV>& V,
  39. const Eigen::PlainObjectBase<DerivedF>& F,
  40. Eigen::PlainObjectBase<Derivedc>& c);
  41. }
  42. #ifndef IGL_STATIC_LIBRARY
  43. # include "centroid.cpp"
  44. #endif
  45. #endif