flood_fill.h 1.1 KB

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  1. // This file is part of libigl, a simple c++ geometry processing library.
  2. //
  3. // Copyright (C) 2016 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_FLOOD_FILL_H
  9. #define IGL_FLOOD_FILL_H
  10. #include "igl_inline.h"
  11. #include <Eigen/Core>
  12. namespace igl
  13. {
  14. // Given a 3D array with sparse non-nan (number?) data fill in the NaNs via
  15. // flood fill. This should ensure that, e.g., if data near 0 always has a band
  16. // (surface) of numbered and signed data, then components of nans will be
  17. // correctly signed.
  18. //
  19. // Inputs:
  20. // res 3-long list of dimensions of grid
  21. // S res(0)*res(1)*res(2) list of scalar values (with (many) nans), see
  22. // output
  23. // Outputs:
  24. // S flood fill data in place
  25. template <typename Derivedres, typename DerivedS>
  26. IGL_INLINE void flood_fill(
  27. const Eigen::MatrixBase<Derivedres>& res,
  28. Eigen::PlainObjectBase<DerivedS> & S);
  29. }
  30. #ifndef IGL_STATIC_LIBRARY
  31. # include "flood_fill.cpp"
  32. #endif
  33. #endif