Geografic-Information-System/include/grass/vect/dig_defines.h

/*!
  \file include/vect/dig_defines.h

  Defines for diglib (part of vector library)
*/

/*! \brief Name of vector directory */
#define GV_DIRECTORY    "vector"
/*! \brief Format description, data location (OGR) */
#define GV_FRMT_ELEMENT "frmt"
/*! \brief Native format, coordinates */
#define GV_COOR_ELEMENT "coor"
/*! \brief Native format, header information */
#define GV_HEAD_ELEMENT "head"
/*! \brief Native format, link to database */
#define GV_DBLN_ELEMENT "dbln"
/*! \brief Native format, history file */
#define GV_HIST_ELEMENT "hist"
/*! \brief Native format, topology file */
#define GV_TOPO_ELEMENT "topo"
/*! \brief Native format, spatial index */
#define GV_SIDX_ELEMENT "sidx"
/*! \brief Native format, category index */
#define GV_CIDX_ELEMENT "cidx"
/*! \brief External format (OGR), feature index */
#define GV_FIDX_ELEMENT "fidx"
/*! \brief Color table */
#define GV_COLR_ELEMENT "colr"
/*! \brief Name of directory for alternative color tables */
#define GV_COLR2_DIRECTORY "vcolr2"
/*! \brief Name of the timestamp file */
#define GV_TIMESTAMP_ELEMENT "timestamp"

/*! \brief Sizes of types used in portable format (different names used in
  Vlib/ and diglib/ for the same thing)

  Assumptions:
   - double =    8 byte IEEE
   -  float =    4 byte IEEE
   -   long =    4 byte int
   -  short =    2 byte int
  
  \todo To be moved to gislib?
*/
#define PORT_DOUBLE 8
#define PORT_FLOAT  4
#define PORT_LONG   4
#define PORT_INT    4
#define PORT_SHORT  2
#define PORT_CHAR   1
#define PORT_OFF_T  8

/*! \brief replace by PORT_* in Vlib later and remove :
  
  \todo To be removed ?
*/
#define DBL_SIZ  8
#define FLT_SIZ  4
#define LNG_SIZ  4
#define SHRT_SIZ 2

/*! \brief Limits for portable types

  \todo To be moved to gislib?
*/
#define PORT_DOUBLE_MAX 1.7976931348623157e+308
#define PORT_DOUBLE_MIN 2.2250738585072014e-308
#define PORT_FLOAT_MAX  3.40282347e+38F
#define PORT_FLOAT_MIN  1.17549435e-38F
#define PORT_LONG_MAX   2147483647L
#define PORT_LONG_MIN   (-2147483647L)
#define PORT_INT_MAX    2147483647
#define PORT_INT_MIN    (-2147483647)
#define PORT_SHORT_MAX  32767
#define PORT_SHORT_MIN  (-32768)
#define PORT_CHAR_MAX   127
#define PORT_CHAR_MIN   (-128)

/*! \brief Geometry data formats supported by lib
  Don't change GV_FORMAT_* values, this order is hardcoded in lib
*/
/*! \brief GRASS native format */
#define GV_FORMAT_NATIVE           0
/*! \brief OGR format */
#define GV_FORMAT_OGR              1
/*! \brief OGR format (direct access) */
#define GV_FORMAT_OGR_DIRECT       2
/*! \brief PostGIS format */
#define GV_FORMAT_POSTGIS          3

/*! \brief GRASS topology - native format */
#define GV_TOPO_NATIVE             0
/*! \brief Pseudo-topology - external simple features (OGR/PostGIS) format */
#define GV_TOPO_PSEUDO             1
/*! \brief PostGIS topology - external PostGIS format */
#define GV_TOPO_POSTGIS            2

/*! \brief One table linked to vector map */
#define GV_1TABLE  0
/*! \brief More tables linked to vector map */
#define GV_MTABLE  1		

/*! \brief Read-only vector map open mode */
#define GV_MODE_READ  0
/*! \brief Write vector map open mode */
#define GV_MODE_WRITE 1
/*! \brief Read-write vector map open mode */
#define GV_MODE_RW    2

/*! \brief Vector map open code */
#define VECT_OPEN_CODE   0x5522AA22
/*! \brief Vector map close code */
#define VECT_CLOSED_CODE 0x22AA2255

/*! \brief Vector level - without topology */
#define LEVEL_1  1
/*! \brief Vector level - with 2D topology */
#define LEVEL_2  2
/*! \brief Vector level - with 3D topology (not implemented yet) */
#define LEVEL_3  3

/*! \brief Topology levels - nothing to build */
#define GV_BUILD_NONE         0
/*! \brief Topology levels - basic level (without areas and isles) */
#define GV_BUILD_BASE         1
/*! \brief Topology levels - build areas */
#define GV_BUILD_AREAS        2
/*! \brief Topology levels - attach islands to areas */
#define GV_BUILD_ATTACH_ISLES 3
/*! \brief Topology levels - assign centroids to areas */
#define GV_BUILD_CENTROIDS    4
/*! \brief Topology levels - build everything (currently same as GV_BUILD_CENTROIDS) */
#define GV_BUILD_ALL          GV_BUILD_CENTROIDS

/*! \brief Check if vector map is open */
#define VECT_OPEN(Map)   (Map->open == VECT_OPEN_CODE)

/*! \brief Memory mode */
#define GV_MEMORY_ALWAYS 1
#define GV_MEMORY_NEVER  2
#define GV_MEMORY_AUTO   3

/*! \brief Coordinates file head size */
#define GV_COOR_HEAD_SIZE 14

#define GRASS_V_VERSION       "5.0"
/*! \brief The latest versions of files known by current version of
    the library. Used for new files */
#define GV_COOR_VER_MAJOR  5
#define GV_COOR_VER_MINOR  1
#define GV_TOPO_VER_MAJOR  5
#define GV_TOPO_VER_MINOR  1
#define GV_SIDX_VER_MAJOR  5
#define GV_SIDX_VER_MINOR  1
#define GV_CIDX_VER_MAJOR  5
#define GV_CIDX_VER_MINOR  0

/*! \brief The oldest versions of the library, which are capable to
    read the files created by the current version */
#define GV_COOR_EARLIEST_MAJOR  5
#define GV_COOR_EARLIEST_MINOR	1
#define GV_TOPO_EARLIEST_MAJOR  5
#define GV_TOPO_EARLIEST_MINOR	1
#define GV_SIDX_EARLIEST_MAJOR  5
#define GV_SIDX_EARLIEST_MINOR	1
#define GV_CIDX_EARLIEST_MAJOR  5
#define GV_CIDX_EARLIEST_MINOR	0

/*! \brief 2D/3D vector data */
#define WITHOUT_Z	0
#define WITH_Z		1

/*! \brief Boundary side indicator left/right */
#define GV_LEFT	 1
#define GV_RIGHT 2

/*! \brief Line direction indicator forward/backward */
#define GV_FORWARD  1
#define GV_BACKWARD 2

/*! \brief Feature types used in memory on run time (may change) */
#define GV_POINT      0x01
#define GV_LINE	      0x02
#define GV_BOUNDARY   0x04
#define GV_CENTROID   0x08
#define GV_FACE       0x10
#define GV_KERNEL     0x20
#define GV_AREA	      0x40
#define GV_VOLUME     0x80

#define GV_POINTS (GV_POINT | GV_CENTROID )
#define GV_LINES (GV_LINE | GV_BOUNDARY )

/*! \brief Feature types used in store like 'coor' file or postgis type column (must not change) */
#define GV_STORE_POINT    1
#define GV_STORE_LINE     2
#define GV_STORE_BOUNDARY 3
#define GV_STORE_CENTROID 4
#define GV_STORE_FACE     5
#define GV_STORE_KERNEL   6
#define GV_STORE_AREA     7	/* used in category index file */
#define GV_STORE_VOLUME   8	/* used in category index file */

/*! \brief Overlay operators */
#define GV_ON_AND     "AND"	/* intersect */
#define GV_ON_OVERLAP "OVERLAP"

enum overlay_operator
{
    GV_O_AND,
    GV_O_OVERLAP
};

typedef enum overlay_operator OVERLAY_OPERATOR;

/*! \brief Maximum number of categories for one element */
#define GV_NCATS_MAX PORT_INT_MAX
/*! \brief Maximum field */
#define GV_FIELD_MAX PORT_INT_MAX
/*! \brief Maximum category value */
#define GV_CAT_MAX   PORT_INT_MAX

/*! \brief GRASS ASCII vector format - point format */
#define GV_ASCII_FORMAT_POINT 0
/*! \brief GRASS ASCII vector format - standard format */
#define GV_ASCII_FORMAT_STD   1
/*! \brief GRASS ASCII vector format - well-known-text format */
#define GV_ASCII_FORMAT_WKT   2

/*! \brief Simple feature types
  
  Taken from GDAL/OGR library (ogr/ogr_core.h)
*/
typedef enum
{
    SF_GEOMETRY = 0,                      /* unknown type, non-standard */
    SF_POINT = 1,                         /* 0-dimensional geometric object */
    SF_LINESTRING = 2,                    /* 1-dimensional geometric object with linear
					     interpolation between Points */
    SF_POLYGON = 3,                       /* planar 2-dimensional geometric object defined
					     by 1 exterior boundary and 0 or more interior
					     boundaries */
    SF_MULTIPOINT = 4,                    /* GeometryCollection of Points */
    SF_MULTILINESTRING = 5,               /* GeometryCollection of LineStrings */
    SF_MULTIPOLYGON = 6,                  /* GeometryCollection of Polygons */
    SF_GEOMETRYCOLLECTION = 7,            /* geometric object that is a collection of 1
					     or more geometric objects  */
    SF_NONE = 100,                        /* non-standard, for pure attribute records */
    SF_LINEARRING = 101,                  /* non-standard */
    SF_POINT25D = 0x80000001,             /* 2.5D extension as per 99-402 */
    SF_LINESTRING25D = 0x80000002,        /* 2.5D extension as per 99-402 */
    SF_POLYGON25D = 0x80000003,           /* 2.5D extension as per 99-402 */
    SF_MULTIPOINT25D = 0x80000004,        /* 2.5D extension as per 99-402 */
    SF_MULTILINESTRING25D = 0x80000005,   /* 2.5D extension as per 99-402 */
    SF_MULTIPOLYGON25D = 0x80000006,      /* 2.5D extension as per 99-402 */
    SF_GEOMETRYCOLLECTION25D = 0x80000007 /* 2.5D extension as per 99-402 */
} SF_FeatureType;

#define HEADSTR	50

/*! \brief GRASS-PostGIS data provider - default fid column */
#define GV_PG_FID_COLUMN      "fid"
/*! \brief GRASS-PostGIS data provider - default geometry column */
#define GV_PG_GEOMETRY_COLUMN "geom"