diff options
Diffstat (limited to 'src/grids.hpp')
| -rw-r--r-- | src/grids.hpp | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/src/grids.hpp b/src/grids.hpp index aa852ef6..6b6ee0d2 100644 --- a/src/grids.hpp +++ b/src/grids.hpp @@ -70,6 +70,7 @@ class Grid { const std::string &name() const { return m_name; } virtual bool isNullGrid() const { return false; } + virtual bool hasChanged() const = 0; }; // --------------------------------------------------------------------------- @@ -116,6 +117,7 @@ class VerticalShiftGridSet { const VerticalShiftGrid *gridAt(double lon, double lat) const; virtual void reassign_context(PJ_CONTEXT *ctx); + virtual bool reopen(PJ_CONTEXT *ctx); }; // --------------------------------------------------------------------------- @@ -162,6 +164,7 @@ class HorizontalShiftGridSet { const HorizontalShiftGrid *gridAt(double lon, double lat) const; virtual void reassign_context(PJ_CONTEXT *ctx); + virtual bool reopen(PJ_CONTEXT *ctx); }; // --------------------------------------------------------------------------- @@ -217,6 +220,7 @@ class GenericShiftGridSet { const GenericShiftGrid *gridAt(double lon, double lat) const; virtual void reassign_context(PJ_CONTEXT *ctx); + virtual bool reopen(PJ_CONTEXT *ctx); }; // --------------------------------------------------------------------------- @@ -225,15 +229,24 @@ typedef std::vector<std::unique_ptr<HorizontalShiftGridSet>> ListOfHGrids; typedef std::vector<std::unique_ptr<VerticalShiftGridSet>> ListOfVGrids; typedef std::vector<std::unique_ptr<GenericShiftGridSet>> ListOfGenericGrids; -ListOfVGrids proj_vgrid_init(PJ *P, const char *grids); -ListOfHGrids proj_hgrid_init(PJ *P, const char *grids); -ListOfGenericGrids proj_generic_grid_init(PJ *P, const char *grids); - -double proj_vgrid_value(PJ *P, const ListOfVGrids &, PJ_LP lp, - double vmultiplier); -PJ_LP proj_hgrid_value(PJ *P, const ListOfHGrids &, PJ_LP lp); -PJ_LP proj_hgrid_apply(PJ *P, const ListOfHGrids &, PJ_LP lp, - PJ_DIRECTION direction); +ListOfVGrids pj_vgrid_init(PJ *P, const char *grids); +ListOfHGrids pj_hgrid_init(PJ *P, const char *grids); +ListOfGenericGrids pj_generic_grid_init(PJ *P, const char *grids); + +PJ_LP pj_hgrid_value(PJ *P, const ListOfHGrids &grids, PJ_LP lp); +double pj_vgrid_value(PJ *P, const ListOfVGrids &, PJ_LP lp, + double vmultiplier); +PJ_LP pj_hgrid_apply(PJ_CONTEXT *ctx, const ListOfHGrids &grids, PJ_LP lp, + PJ_DIRECTION direction); + +const GenericShiftGrid *pj_find_generic_grid(const ListOfGenericGrids &grids, + const PJ_LP &input, + GenericShiftGridSet *&gridSetOut); +bool pj_bilinear_interpolation_three_samples(const GenericShiftGrid *grid, + const PJ_LP &lp, int idx1, + int idx2, int idx3, double &v1, + double &v2, double &v3, + bool &must_retry); NS_PROJ_END |