Plus_head Struct Reference

Basic topology-related info. More...

#include <dig_structs.h>

Collaboration diagram for Plus_head:

Data Fields
struct {
struct Version_info   topo
	Version info for topology file. More...
struct Version_info   spidx
	Version info for spatial index file. More...
struct Version_info   cidx
	Version info for category index file. More...
}	version
	Backward compatibility version info. More...
int	with_z
	2D/3D vector data More...
int	spidx_with_z
	2D/3D spatial index More...
int	off_t_size
	Offset size. More...
long	head_size
	Topo header size. More...
long	spidx_head_size
	Spatial index header size. More...
long	cidx_head_size
	Category index header size. More...
int	release_support
	Release memory occupied by support structures (topo, spatial, category) More...
struct Port_info	port
	Portability information. More...
struct Port_info	spidx_port
	Portability information for spatial index. More...
struct Port_info	cidx_port
	Portability information for category index. More...
int	mode
	Access mode. More...
int	built
	Highest level of topology currently available. More...
struct bound_box	box
	Bounding box of features. More...
struct P_node **	Node
	Array of nodes. More...
struct P_line **	Line
	Array of vector geometries. More...
struct P_area **	Area
	Array of areas. More...
struct P_isle **	Isle
	Array of isles. More...
plus_t	n_plines
	Current number of points. More...
plus_t	n_llines
	Current number of lines. More...
plus_t	n_blines
	Current number of boundaries. More...
plus_t	n_clines
	Current number of centroids. More...
plus_t	n_flines
	Current number of faces. More...
plus_t	n_klines
	Current number of kernels. More...
plus_t	n_vfaces
	Current number of volume faces. More...
plus_t	n_hfaces
	Current number of hole faces. More...
plus_t	n_nodes
	Current number of topological features derived from vector geometries. More...
plus_t	n_edges
	Current number of edges. More...
plus_t	n_lines
	Current number of lines. More...
plus_t	n_areas
	Current number of areas. More...
plus_t	n_isles
	Current number of isles. More...
plus_t	n_faces
	Current number of faces. More...
plus_t	n_volumes
	Current number of volumes. More...
plus_t	n_holes
	Current number of holes. More...
plus_t	alloc_nodes
	Number of allocated nodes. More...
plus_t	alloc_edges
	Number of allocated edges. More...
plus_t	alloc_lines
	Number of allocated lines. More...
plus_t	alloc_areas
	Number of allocated areas. More...
plus_t	alloc_isles
	Number of allocated isles. More...
plus_t	alloc_faces
	Number of allocated faces. More...
plus_t	alloc_volumes
	Number of allocated volumes. More...
plus_t	alloc_holes
	Number of allocated holes. More...
off_t	Node_offset
	Offset of array of nodes in topo file. More...
off_t	Edge_offset
	Offset of array of edges in topo file. More...
off_t	Line_offset
	Offset of array of vector geometries in topo file. More...
off_t	Area_offset
	Offset of array of areas in topo file. More...
off_t	Isle_offset
	Offset of array of isles in topo file. More...
off_t	Volume_offset
	Offset of array of volumes in topo file. More...
off_t	Hole_offset
	Offset of array of holes in topo file. More...
int	Spidx_built
	Spatial index built? More...
int	Spidx_new
	Build new spatial index. More...
int	Spidx_file
	Build new spatial index in file. More...
struct gvfile	spidx_fp
	Spatial index file pointer. More...
off_t	Node_spidx_offset
	Offset of nodes in sidx file. More...
off_t	Line_spidx_offset
	Offset of lines in sidx file. More...
off_t	Area_spidx_offset
	Offset of areas in sidx file. More...
off_t	Isle_spidx_offset
	Offset of isles in sidx file. More...
off_t	Face_spidx_offset
	Offset of faces in sidx file. More...
off_t	Volume_spidx_offset
	Offset of volumes in sidx file. More...
off_t	Hole_spidx_offset
	Offset of holes in sidx file. More...
struct RTree *	Node_spidx
	Node spatial index. More...
struct RTree *	Line_spidx
	Line spatial index. More...
struct RTree *	Area_spidx
	Area spatial index. More...
struct RTree *	Isle_spidx
	Isles spatial index. More...
struct RTree *	Face_spidx
	Faces spatial index. More...
struct RTree *	Volume_spidx
	Volumes spatial index. More...
struct RTree *	Hole_spidx
	Holes spatial index. More...
int	update_cidx
	Update category index if vector is modified. More...
int	n_cidx
	Number of category indexes (one for each field/layer) More...
int	a_cidx
	Allocated space for category indexes. More...
struct Cat_index *	cidx
	Array of category indexes. More...
int	cidx_up_to_date
	Category index to be updated. More...
off_t	coor_size
	Size of coor file. More...
long	coor_mtime
	Time of last coor modification. More...
struct {
int   do_uplist
	Indicates if the list of updated features is maintained. More...
int *   uplines
	Array of updated lines. More...
off_t *   uplines_offset
	Array of updated lines - offset. More...
int   alloc_uplines
	Allocated array of lines. More...
int   n_uplines
	Number of updated lines. More...
int *   upnodes
	Array of updated nodes. More...
int   alloc_upnodes
	Allocated array of nodes. More...
int   n_upnodes
	number of updated nodes More...
}	uplist
	List of updated lines/nodes. More...

Detailed Description

Basic topology-related info.

Holds basic topology-related information about vector map

Important note: you should NOT store non-topological information in topological structures.

Definition at line 769 of file dig_structs.h.

Field Documentation

a_cidx

int Plus_head::a_cidx

Allocated space for category indexes.

Definition at line 1129 of file dig_structs.h.

Referenced by dig_cidx_free(), dig_cidx_init(), and dig_read_cidx_head().

alloc_areas

plus_t Plus_head::alloc_areas

Number of allocated areas.

i.e. array size - 1

Definition at line 976 of file dig_structs.h.

Referenced by dig_free_plus_areas().

alloc_edges

plus_t Plus_head::alloc_edges

Number of allocated edges.

i.e. array size - 1

Definition at line 964 of file dig_structs.h.

alloc_faces

plus_t Plus_head::alloc_faces

Number of allocated faces.

i.e. array size - 1

Definition at line 988 of file dig_structs.h.

alloc_holes

plus_t Plus_head::alloc_holes

Number of allocated holes.

i.e. array size - 1

Definition at line 1000 of file dig_structs.h.

alloc_isles

plus_t Plus_head::alloc_isles

Number of allocated isles.

i.e. array size - 1

Definition at line 982 of file dig_structs.h.

Referenced by dig_free_plus_isles().

alloc_lines

plus_t Plus_head::alloc_lines

Number of allocated lines.

i.e. array size - 1

Definition at line 970 of file dig_structs.h.

Referenced by dig_free_plus_lines().

alloc_nodes

plus_t Plus_head::alloc_nodes

Number of allocated nodes.

i.e. array size - 1

Definition at line 958 of file dig_structs.h.

Referenced by dig_add_node(), and dig_free_plus_nodes().

alloc_uplines

int Plus_head::alloc_uplines

Allocated array of lines.

Definition at line 1181 of file dig_structs.h.

alloc_upnodes

int Plus_head::alloc_upnodes

Allocated array of nodes.

Definition at line 1193 of file dig_structs.h.

Referenced by dig_node_add_updated().

alloc_volumes

plus_t Plus_head::alloc_volumes

Number of allocated volumes.

i.e. array size - 1

Definition at line 994 of file dig_structs.h.

Area

struct P_area** Plus_head::Area

Array of areas.

Definition at line 875 of file dig_structs.h.

Referenced by dig_area_del_isle(), dig_find_area_box(), dig_free_plus_areas(), dig_Rd_P_area(), dig_spidx_del_area(), dig_Wr_P_area(), dig_Wr_Plus_head(), Vect_area_alive(), Vect_get_area_box(), Vect_get_area_centroid(), Vect_get_area_isle(), Vect_get_area_num_isles(), Vect_get_area_points(), and Vect_get_area_points_geos().

Area_offset

off_t Plus_head::Area_offset

Offset of array of areas in topo file.

Definition at line 1017 of file dig_structs.h.

Referenced by dig_load_plus(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), and dig_write_areas().

Area_spidx

struct RTree* Plus_head::Area_spidx

Area spatial index.

Definition at line 1096 of file dig_structs.h.

Referenced by dig_find_area_box(), dig_Rd_spidx_head(), dig_select_areas(), dig_spidx_add_area(), dig_spidx_del_area(), dig_spidx_free(), dig_spidx_free_areas(), and dig_Wr_spidx_head().

Area_spidx_offset

off_t Plus_head::Area_spidx_offset

Offset of areas in sidx file.

Definition at line 1067 of file dig_structs.h.

Referenced by dig_Rd_spidx_head(), and dig_Wr_spidx_head().

box

struct bound_box Plus_head::box

Bounding box of features.

Definition at line 857 of file dig_structs.h.

Referenced by dig_Rd_Plus_head(), dig_Wr_Plus_head(), Vect_attach_isle(), Vect_attach_isles(), and Vect_get_map_box().

built

int Plus_head::built

Highest level of topology currently available.

• GV_BUILD_NONE
• GV_BUILD_BASE
• GV_BUILD_AREAS
• GV_BUILD_ATTACH_ISLES
• GV_BUILD_CENTROIDS
• GV_BUILD_ALL

Definition at line 857 of file dig_structs.h.

Referenced by dig_init_plus(), Vect__build_sfa(), Vect_build_ogr(), Vect_build_partial(), Vect_build_pg(), Vect_close(), Vect_get_built(), and Vect_save_fidx().

cidx [1/2]

struct Cat_index* Plus_head::cidx

Array of category indexes.

Definition at line 1133 of file dig_structs.h.

cidx [2/2]

struct Version_info Plus_head::cidx

Version info for category index file.

Definition at line 1149 of file dig_structs.h.

Referenced by dig_cidx_free(), dig_cidx_init(), dig_read_cidx(), dig_read_cidx_head(), dig_write_cidx(), and dig_write_cidx_head().

cidx_head_size

long Plus_head::cidx_head_size

Category index header size.

Definition at line 816 of file dig_structs.h.

Referenced by dig_read_cidx_head().

cidx_port

struct Port_info Plus_head::cidx_port

Portability information for category index.

Definition at line 822 of file dig_structs.h.

Referenced by dig_read_cidx(), dig_read_cidx_head(), dig_write_cidx(), and dig_write_cidx_head().

cidx_up_to_date

int Plus_head::cidx_up_to_date

Category index to be updated.

Set to 1 when cidx is created and reset to 0 whenever any line is changed

Definition at line 1140 of file dig_structs.h.

Referenced by dig_cidx_free(), dig_cidx_init(), and dig_read_cidx().

coor_mtime

long Plus_head::coor_mtime

Time of last coor modification.

Definition at line 1149 of file dig_structs.h.

Referenced by Vect_open_topo().

coor_size

off_t Plus_head::coor_size

Size of coor file.

Definition at line 1145 of file dig_structs.h.

Referenced by dig_Rd_Plus_head(), dig_Rd_spidx_head(), dig_read_cidx_head(), dig_Wr_Plus_head(), dig_Wr_spidx_head(), dig_write_cidx_head(), and Vect_open_topo().

do_uplist

int Plus_head::do_uplist

Indicates if the list of updated features is maintained.

Definition at line 1161 of file dig_structs.h.

Edge_offset

off_t Plus_head::Edge_offset

Offset of array of edges in topo file.

Definition at line 1009 of file dig_structs.h.

Referenced by dig_Rd_Plus_head(), and dig_Wr_Plus_head().

Face_spidx

struct RTree* Plus_head::Face_spidx

Faces spatial index.

Definition at line 1104 of file dig_structs.h.

Face_spidx_offset

off_t Plus_head::Face_spidx_offset

Offset of faces in sidx file.

Definition at line 1075 of file dig_structs.h.

Referenced by dig_Rd_spidx_head(), and dig_Wr_spidx_head().

head_size

long Plus_head::head_size

Topo header size.

Definition at line 808 of file dig_structs.h.

Referenced by dig_Rd_Plus_head().

Hole_offset

off_t Plus_head::Hole_offset

Offset of array of holes in topo file.

Definition at line 1029 of file dig_structs.h.

Referenced by dig_Rd_Plus_head(), and dig_Wr_Plus_head().

Hole_spidx

struct RTree* Plus_head::Hole_spidx

Holes spatial index.

Definition at line 1112 of file dig_structs.h.

Hole_spidx_offset

off_t Plus_head::Hole_spidx_offset

Offset of holes in sidx file.

Definition at line 1083 of file dig_structs.h.

Referenced by dig_Rd_spidx_head(), and dig_Wr_spidx_head().

Isle

struct P_isle** Plus_head::Isle

Array of isles.

Definition at line 879 of file dig_structs.h.

Referenced by dig_find_isle_box(), dig_free_plus_isles(), dig_Rd_P_isle(), dig_spidx_del_isle(), dig_Wr_P_isle(), dig_Wr_Plus_head(), Vect_attach_isle(), Vect_attach_isles(), Vect_get_isle_area(), Vect_get_isle_box(), Vect_get_isle_points(), Vect_get_isle_points_geos(), and Vect_isle_alive().

Isle_offset

off_t Plus_head::Isle_offset

Offset of array of isles in topo file.

Definition at line 1021 of file dig_structs.h.

Referenced by dig_load_plus(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), and dig_write_isles().

Isle_spidx

struct RTree* Plus_head::Isle_spidx

Isles spatial index.

Definition at line 1100 of file dig_structs.h.

Referenced by dig_find_isle_box(), dig_Rd_spidx_head(), dig_select_isles(), dig_spidx_add_isle(), dig_spidx_del_isle(), dig_spidx_free(), dig_spidx_free_isles(), and dig_Wr_spidx_head().

Isle_spidx_offset

off_t Plus_head::Isle_spidx_offset

Offset of isles in sidx file.

Definition at line 1071 of file dig_structs.h.

Referenced by dig_Rd_spidx_head(), and dig_Wr_spidx_head().

Line

struct P_line** Plus_head::Line

Array of vector geometries.

Definition at line 871 of file dig_structs.h.

Referenced by dig_find_area_box(), dig_find_isle_box(), dig_free_plus_lines(), dig_Rd_P_line(), dig_spidx_del_area(), dig_spidx_del_isle(), dig_Wr_P_line(), dig_Wr_Plus_head(), and Vect__load_map_lines_pg().

Line_offset

off_t Plus_head::Line_offset

Offset of array of vector geometries in topo file.

Definition at line 1013 of file dig_structs.h.

Referenced by dig_load_plus(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), and dig_write_lines().

Line_spidx

struct RTree* Plus_head::Line_spidx

Line spatial index.

Definition at line 1092 of file dig_structs.h.

Referenced by dig_Rd_spidx_head(), dig_select_lines(), dig_spidx_free(), dig_spidx_free_lines(), and dig_Wr_spidx_head().

Line_spidx_offset

off_t Plus_head::Line_spidx_offset

Offset of lines in sidx file.

Definition at line 1063 of file dig_structs.h.

Referenced by dig_Rd_spidx_head(), and dig_Wr_spidx_head().

mode

int Plus_head::mode

Access mode.

• GV_MODE_READ
• GV_MODE_WRITE
• GV_MODE_RW

Definition at line 845 of file dig_structs.h.

n_areas

plus_t Plus_head::n_areas

Current number of areas.

Definition at line 935 of file dig_structs.h.

Referenced by dig_free_plus_areas(), dig_load_plus(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), dig_write_areas(), Vect_area_alive(), Vect_get_area_box(), and Vect_get_num_areas().

n_blines

plus_t Plus_head::n_blines

Current number of boundaries.

Definition at line 894 of file dig_structs.h.

Referenced by dig_free_plus_lines(), dig_Rd_Plus_head(), and dig_Wr_Plus_head().

n_cidx

int Plus_head::n_cidx

Number of category indexes (one for each field/layer)

Definition at line 1125 of file dig_structs.h.

Referenced by dig_cidx_free(), dig_cidx_init(), dig_cidx_sort(), dig_read_cidx(), dig_read_cidx_head(), dig_write_cidx(), and dig_write_cidx_head().

n_clines

plus_t Plus_head::n_clines

Current number of centroids.

Definition at line 898 of file dig_structs.h.

Referenced by dig_free_plus_lines(), dig_Rd_Plus_head(), and dig_Wr_Plus_head().

n_edges

plus_t Plus_head::n_edges

Current number of edges.

Definition at line 927 of file dig_structs.h.

Referenced by dig_Rd_Plus_head(), and dig_Wr_Plus_head().

n_faces

plus_t Plus_head::n_faces

Current number of faces.

Definition at line 943 of file dig_structs.h.

n_flines

plus_t Plus_head::n_flines

Current number of faces.

Definition at line 902 of file dig_structs.h.

Referenced by dig_free_plus_lines(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), and Vect_get_num_faces().

n_hfaces

plus_t Plus_head::n_hfaces

Current number of hole faces.

Definition at line 914 of file dig_structs.h.

n_holes

plus_t Plus_head::n_holes

Current number of holes.

Definition at line 951 of file dig_structs.h.

Referenced by dig_Rd_Plus_head(), dig_Wr_Plus_head(), and Vect_get_num_holes().

n_isles

plus_t Plus_head::n_isles

Current number of isles.

Definition at line 939 of file dig_structs.h.

Referenced by dig_free_plus_isles(), dig_load_plus(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), dig_write_isles(), Vect_get_isle_box(), Vect_get_num_islands(), and Vect_isle_alive().

n_klines

plus_t Plus_head::n_klines

Current number of kernels.

Definition at line 906 of file dig_structs.h.

Referenced by dig_free_plus_lines(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), and Vect_get_num_kernels().

n_lines

plus_t Plus_head::n_lines

Current number of lines.

Definition at line 931 of file dig_structs.h.

Referenced by dig_free_plus_lines(), dig_load_plus(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), dig_write_lines(), Vect__load_map_lines_pg(), and Vect_get_num_lines().

n_llines

plus_t Plus_head::n_llines

Current number of lines.

Definition at line 890 of file dig_structs.h.

Referenced by dig_free_plus_lines(), dig_Rd_Plus_head(), and dig_Wr_Plus_head().

n_nodes

plus_t Plus_head::n_nodes

Current number of topological features derived from vector geometries.

Current number of nodes

Definition at line 923 of file dig_structs.h.

Referenced by dig_add_node(), dig_free_plus_nodes(), dig_load_plus(), dig_Rd_Plus_head(), dig_which_node(), dig_Wr_Plus_head(), dig_write_nodes(), Vect__load_map_nodes_pg(), Vect_get_node_coor(), Vect_get_num_nodes(), and Vect_node_alive().

n_plines

plus_t Plus_head::n_plines

Current number of points.

Definition at line 886 of file dig_structs.h.

Referenced by dig_free_plus_lines(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), and Vect__load_map_lines_pg().

n_uplines

int Plus_head::n_uplines

Number of updated lines.

Definition at line 1185 of file dig_structs.h.

Referenced by dig_line_reset_updated(), and Vect_get_num_updated_lines().

n_upnodes

int Plus_head::n_upnodes

number of updated nodes

Definition at line 1197 of file dig_structs.h.

Referenced by dig_node_add_updated(), dig_node_reset_updated(), and Vect_get_num_updated_nodes().

n_vfaces

plus_t Plus_head::n_vfaces

Current number of volume faces.

Definition at line 910 of file dig_structs.h.

n_volumes

plus_t Plus_head::n_volumes

Current number of volumes.

Definition at line 947 of file dig_structs.h.

Referenced by dig_Rd_Plus_head(), dig_Wr_Plus_head(), and Vect_get_num_volumes().

Node

struct P_node** Plus_head::Node

Array of nodes.

Definition at line 867 of file dig_structs.h.

Referenced by dig_add_node(), dig_find_area_box(), dig_find_isle_box(), dig_free_plus_nodes(), dig_node_line_angle(), dig_Rd_P_node(), dig_spidx_del_area(), dig_spidx_del_isle(), dig_spidx_del_node(), dig_which_node(), dig_Wr_P_node(), dig_Wr_Plus_head(), Vect_get_node_coor(), and Vect_node_alive().

Node_offset

off_t Plus_head::Node_offset

Offset of array of nodes in topo file.

Definition at line 1005 of file dig_structs.h.

Referenced by dig_load_plus(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), and dig_write_nodes().

Node_spidx

struct RTree* Plus_head::Node_spidx

Node spatial index.

Definition at line 1088 of file dig_structs.h.

Referenced by dig_dump_spidx(), dig_find_node(), dig_Rd_spidx_head(), dig_select_nodes(), dig_spidx_add_node(), dig_spidx_del_node(), dig_spidx_free(), dig_spidx_free_nodes(), and dig_Wr_spidx_head().

Node_spidx_offset

off_t Plus_head::Node_spidx_offset

Offset of nodes in sidx file.

Definition at line 1059 of file dig_structs.h.

Referenced by dig_Rd_spidx_head(), dig_Wr_spidx(), and dig_Wr_spidx_head().

off_t_size

int Plus_head::off_t_size

Offset size.

Because Plus_head is available to all relevant functions

Definition at line 801 of file dig_structs.h.

Referenced by dig_Rd_P_line(), dig_Rd_Plus_head(), dig_Rd_spidx_head(), dig_read_cidx_head(), dig_Wr_P_line(), dig_Wr_Plus_head(), dig_Wr_spidx_head(), dig_write_cidx_head(), and Vect__load_plus_head().

port

struct Port_info Plus_head::port

Portability information.

Definition at line 822 of file dig_structs.h.

Referenced by dig_load_plus(), dig_Rd_Plus_head(), dig_Wr_Plus_head(), dig_write_plus_file(), and Vect_save_topo().

release_support

int Plus_head::release_support

Release memory occupied by support structures (topo, spatial, category)

Definition at line 822 of file dig_structs.h.

Referenced by Vect__init_head(), and Vect_set_release_support().

spidx

struct Version_info Plus_head::spidx

Version info for spatial index file.

Definition at line 1149 of file dig_structs.h.

Referenced by dig_Rd_spidx_head().

Spidx_built

int Plus_head::Spidx_built

Spatial index built?

Set to 1 if spatial index is available

Definition at line 1037 of file dig_structs.h.

Referenced by Vect__init_head(), Vect_build_partial(), Vect_build_sidx(), Vect_save_sidx(), and Vect_sidx_dump().

Spidx_file

int Plus_head::Spidx_file

Build new spatial index in file.

Set to 1 to build new indices in file

Definition at line 1049 of file dig_structs.h.

Referenced by dig_spidx_init().

spidx_fp

struct gvfile Plus_head::spidx_fp

Spatial index file pointer.

Definition at line 1049 of file dig_structs.h.

Referenced by Vect_save_sidx().

spidx_head_size

long Plus_head::spidx_head_size

Spatial index header size.

Definition at line 812 of file dig_structs.h.

Referenced by dig_Rd_spidx_head(), and dig_Wr_spidx_head().

Spidx_new

int Plus_head::Spidx_new

Build new spatial index.

Set to 1 if new spatial index will be generated

Definition at line 1043 of file dig_structs.h.

Referenced by dig_find_area_box(), dig_find_isle_box(), dig_find_node(), dig_select_areas(), dig_select_isles(), dig_select_lines(), dig_select_nodes(), dig_spidx_free(), and Vect_save_sidx().

spidx_port

struct Port_info Plus_head::spidx_port

Portability information for spatial index.

Definition at line 822 of file dig_structs.h.

Referenced by dig_Rd_spidx(), dig_Rd_spidx_head(), dig_Wr_spidx(), dig_Wr_spidx_head(), and Vect_save_sidx().

spidx_with_z

int Plus_head::spidx_with_z

2D/3D spatial index

• WITH_Z
• WITHOUT_Z

Definition at line 793 of file dig_structs.h.

Referenced by dig_Rd_spidx_head(), dig_spidx_init(), dig_Wr_spidx_head(), and Vect_build_partial().

topo

struct Version_info Plus_head::topo

Version info for topology file.

Definition at line 1149 of file dig_structs.h.

Referenced by dig_Rd_Plus_head().

update_cidx

int Plus_head::update_cidx

Update category index if vector is modified.

By default, category index is not updated

Definition at line 1120 of file dig_structs.h.

Referenced by Vect__init_head(), and Vect_set_category_index_update().

uplines

int* Plus_head::uplines

Array of updated lines.

List of lines and nodes updated (topo info for the line was changed) by last write/rewrite/delete operation. Lines/nodes in the list may be deleted (e.g. delete boundary: first added for delete area and then delete

Definition at line 1171 of file dig_structs.h.

Referenced by Vect_get_updated_line().

uplines_offset

off_t* Plus_head::uplines_offset

Array of updated lines - offset.

Negative value for dead (deleted) lines - used by Vect_restore_line()

Definition at line 1177 of file dig_structs.h.

Referenced by Vect_get_updated_line_offset().

struct { ... } Plus_head::uplist

List of updated lines/nodes.

Note: Vect_set_updated() must be called to maintain this list

Referenced by dig_line_reset_updated(), dig_node_add_updated(), dig_node_reset_updated(), Vect_get_num_updated_lines(), Vect_get_num_updated_nodes(), Vect_get_updated_line(), Vect_get_updated_line_offset(), and Vect_get_updated_node().

upnodes

int* Plus_head::upnodes

Array of updated nodes.

Definition at line 1189 of file dig_structs.h.

Referenced by dig_node_add_updated(), and Vect_get_updated_node().

struct { ... } Plus_head::version

Backward compatibility version info.

Referenced by dig_Rd_Plus_head(), dig_Rd_spidx_head(), and dig_read_cidx_head().

Volume_offset

off_t Plus_head::Volume_offset

Offset of array of volumes in topo file.

Definition at line 1025 of file dig_structs.h.

Referenced by dig_Rd_Plus_head(), and dig_Wr_Plus_head().

Volume_spidx

struct RTree* Plus_head::Volume_spidx

Volumes spatial index.

Definition at line 1108 of file dig_structs.h.

Volume_spidx_offset

off_t Plus_head::Volume_spidx_offset

Offset of volumes in sidx file.

Definition at line 1079 of file dig_structs.h.

Referenced by dig_Rd_spidx_head(), and dig_Wr_spidx_head().

with_z

int Plus_head::with_z

2D/3D vector data

• WITH_Z
• WITHOUT_Z

Definition at line 786 of file dig_structs.h.

Referenced by dig_Rd_P_line(), dig_Rd_P_node(), dig_Rd_Plus_head(), dig_spidx_free_areas(), dig_spidx_free_isles(), dig_spidx_free_lines(), dig_spidx_free_nodes(), dig_spidx_init(), dig_Wr_P_line(), dig_Wr_P_node(), dig_Wr_Plus_head(), and Vect_build_partial().

---

The documentation for this struct was generated from the following file:

• dig_structs.h