diff options
Diffstat (limited to 'src/proj.h')
| -rw-r--r-- | src/proj.h | 72 |
1 files changed, 61 insertions, 11 deletions
@@ -156,7 +156,7 @@ extern "C" { ************************************************************************/ #define PROJ_VERSION_MAJOR 10 #define PROJ_VERSION_MINOR 0 -#define PROJ_VERSION_MICRO 0 +#define PROJ_VERSION_PATCH 0 #ifndef PJ_VERSION #define PJ_VERSION 10##000##00 @@ -192,6 +192,19 @@ typedef struct PJ_FACTORS PJ_FACTORS; struct PJconsts; typedef struct PJconsts PJ; /* the PJ object herself */ +/* Data type for library level information */ +struct PJ_INFO; +typedef struct PJ_INFO PJ_INFO; + +struct PJ_PROJ_INFO; +typedef struct PJ_PROJ_INFO PJ_PROJ_INFO; + +struct PJ_GRID_INFO; +typedef struct PJ_GRID_INFO PJ_GRID_INFO; + +struct PJ_INIT_INFO; +typedef struct PJ_INIT_INFO PJ_INIT_INFO; + /* Omega, Phi, Kappa: Rotations */ typedef struct {double o, p, k;} PJ_OPK; @@ -275,6 +288,7 @@ struct PJ_OBS { unsigned int flags; /* additional data, intended for flags */ }; + struct PJ_DERIVS { double x_l, x_p; /* derivatives of x for lambda-phi */ double y_l, y_p; /* derivatives of y for lambda-phi */ @@ -291,6 +305,44 @@ struct PJ_FACTORS { }; +struct PJ_INFO { + char release[64]; /* Release info. Version + date */ + char version[64]; /* Full version number */ + int major; /* Major release number */ + int minor; /* Minor release number */ + int patch; /* Patch level */ + char searchpath[512]; /* Paths where init and grid files are */ + /* looked for. Paths are separated by */ + /* semi-colons. */ +}; + +struct PJ_PROJ_INFO { + char id[16]; /* Name of the projection in question */ + char description[128]; /* Description of the projection */ + char definition[512]; /* Projection definition */ + int has_inverse; /* 1 if an inverse mapping exists, 0 otherwise */ +}; + +struct PJ_GRID_INFO { + char gridname[32]; /* name of grid */ + char filename[260]; /* full path to grid */ + char format[8]; /* file format of grid */ + LP lowerleft; /* Coordinates of lower left corner */ + LP upperright; /* Coordinates of upper right corner */ + int n_lon, n_lat; /* Grid size */ + double cs_lon, cs_lat; /* Cell size of grid */ +}; + +struct PJ_INIT_INFO { + char name[32]; /* name of init file */ + char filename[260]; /* full path to the init file. */ + char version[32]; /* version of the init file */ + char origin[32]; /* origin of the file, e.g. EPSG */ + char lastupdate[16]; /* Date of last update in YYYY-MM-DD format */ +}; + + + /* The context type - properly namespaced synonym for projCtx */ struct projCtx_t; typedef struct projCtx_t PJ_CONTEXT; @@ -358,10 +410,14 @@ int proj_errno_reset (PJ *P); void proj_errno_restore (PJ *P, int err); -/* Build a fully expanded proj_create() compatible representation of P */ -char *proj_definition_retrieve (PJ *P); -/* ...and get rid of it safely */ -void *proj_release (void *buffer); +PJ_DERIVS proj_derivatives(const PJ *P, const LP lp); +PJ_FACTORS proj_factors(const PJ *P, const LP lp); + +/* Info functions - get information about various PROJ.4 entities */ +PJ_INFO proj_info(void); +PJ_PROJ_INFO proj_pj_info(const PJ *P); +PJ_GRID_INFO proj_grid_info(const char *gridname); +PJ_INIT_INFO proj_init_info(const char *initname); /* These are trivial, and while occasionaly useful in real code, primarily here to */ @@ -370,15 +426,9 @@ void *proj_release (void *buffer); double proj_torad (double angle_in_degrees); double proj_todeg (double angle_in_radians); -/* Check if a projection has an inverse mapping */ -int proj_has_inverse(PJ *P); - double proj_dmstor(const char *is, char **rs); char* proj_rtodms(char *s, double r, int pos, int neg); -PJ_DERIVS proj_derivatives(const PJ *P, const LP lp); -PJ_FACTORS proj_factors(const PJ *P, const LP lp); - #ifdef __cplusplus } #endif |