Vlib/cindex.c File Reference

#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <grass/gis.h>
#include <grass/Vect.h>

Include dependency graph for Vlib/cindex.c:

Go to the source code of this file.

Defines
#define	SEP   "------------------------------------------------------------------------------------------\n"
Functions
int	Vect_cidx_get_num_fields (struct Map_info *Map)
	get nuber of field in category index
int	Vect_cidx_get_field_number (struct Map_info *Map, int index)
	get field number for given index
int	Vect_cidx_get_field_index (struct Map_info *Map, int field)
	get field index for given field number
int	Vect_cidx_get_num_unique_cats_by_index (struct Map_info *Map, int index)
	get nuber of unique categories for given field index
int	Vect_cidx_get_num_cats_by_index (struct Map_info *Map, int index)
	get nuber of categories for given field index
int	Vect_cidx_get_num_types_by_index (struct Map_info *Map, int field_index)
	get nuber of types for given field index
int	Vect_cidx_get_type_count_by_index (struct Map_info *Map, int field_index, int type_index, int *type, int *count)
	get type count field index and type index
int	Vect_cidx_get_type_count (struct Map_info *Map, int field, int type)
	get count of features of certain type by field and type
int	Vect_cidx_get_cat_by_index (struct Map_info *Map, int field_index, int cat_index, int *cat, int *type, int *id)
	get nuber of categories for given field and category index
int	Vect_cidx_find_next (struct Map_info *Map, int field_index, int cat, int type_mask, int start_index, int *type, int *id)
	find next line/area id for given category, start_index and type_mask
int	Vect_cidx_dump (struct Map_info *Map, FILE *out)
	write category index in text form to file
int	Vect_cidx_save (struct Map_info *Map)
	write category index to file
int	Vect_cidx_open (struct Map_info *Map, int head_only)

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Define Documentation

#define SEP   "------------------------------------------------------------------------------------------\n"

Definition at line 308 of file Vlib/cindex.c.

Referenced by Vect_cidx_dump().

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Function Documentation

int Vect_cidx_dump	(	struct Map_info *	Map,
		FILE *	out
	)

write category index in text form to file

Returns:

1 on success, 0 on error

Parameters:

	Map_info	structure
	out	output file

Definition at line 318 of file Vlib/cindex.c.

References SEP, Vect_cidx_get_cat_by_index(), Vect_cidx_get_field_number(), Vect_cidx_get_num_cats_by_index(), Vect_cidx_get_num_fields(), Vect_cidx_get_num_types_by_index(), Vect_cidx_get_num_unique_cats_by_index(), and Vect_cidx_get_type_count_by_index().

int Vect_cidx_find_next	(	struct Map_info *	Map,
		int	field_index,
		int	cat,
		int	type_mask,
		int	start_index,
		int *	type,
		int *	id
	)

find next line/area id for given category, start_index and type_mask

Returns:

index to array

-1 not found

Parameters:

	Map
	field_index
	cat	category
	type_mask	requested type
	start_index	start search at this index (0 - whole category index)
	type	returned type
	id	returned line/area id

Definition at line 252 of file Vlib/cindex.c.

int Vect_cidx_get_cat_by_index	(	struct Map_info *	Map,
		int	field_index,
		int	cat_index,
		int *	cat,
		int *	type,
		int *	id
	)

get nuber of categories for given field and category index

Returns:

1 OK

0 on error

Parameters:

	Map
	field_index
	cat_index
	cat
	type
	id

Definition at line 211 of file Vlib/cindex.c.

Referenced by Vect_cidx_dump().

int Vect_cidx_get_field_index	(	struct Map_info *	Map,
		int	field
	)

get field index for given field number

Returns:

field index or -1 if not found

Parameters:

	Map_info	structure
	field	field number

Definition at line 73 of file Vlib/cindex.c.

Referenced by Vect_cidx_get_type_count().

int Vect_cidx_get_field_number	(	struct Map_info *	Map,
		int	index
	)

get field number for given index

Returns:

field number

Parameters:

	Map_info	structure
	index	field index: from 0 to Vect_cidx_get_num_fields()-1

Definition at line 55 of file Vlib/cindex.c.

Referenced by Vect_cidx_dump().

int Vect_cidx_get_num_cats_by_index	(	struct Map_info *	Map,
		int	index
	)

get nuber of categories for given field index

Returns:

number of categories or -1 on error

Parameters:

	Map_info	structure
	index

Definition at line 116 of file Vlib/cindex.c.

Referenced by Vect_cidx_dump().

int Vect_cidx_get_num_fields

(

struct Map_info *

Map

)

get nuber of field in category index

Returns:

number of fields

Parameters:

Map_info

structure

Definition at line 40 of file Vlib/cindex.c.

Referenced by Vect_cidx_dump().

int Vect_cidx_get_num_types_by_index	(	struct Map_info *	Map,
		int	field_index
	)

get nuber of types for given field index

Returns:

number of types or -1 on error

Parameters:

	Map_info	structure
	index

Definition at line 133 of file Vlib/cindex.c.

Referenced by Vect_cidx_dump().

int Vect_cidx_get_num_unique_cats_by_index	(	struct Map_info *	Map,
		int	index
	)

get nuber of unique categories for given field index

Returns:

number of unique categories or -1 on error

Parameters:

	Map_info	structure
	field

Definition at line 99 of file Vlib/cindex.c.

Referenced by Vect_cidx_dump().

int Vect_cidx_get_type_count	(	struct Map_info *	Map,
		int	field,
		int	type
	)

get count of features of certain type by field and type

Returns:

feature count, 0 if no features, no such field or no such type in cidx

Parameters:

	Map_info	structure
	field
	type

Definition at line 173 of file Vlib/cindex.c.

References Vect_cidx_get_field_index().

int Vect_cidx_get_type_count_by_index	(	struct Map_info *	Map,
		int	field_index,
		int	type_index,
		int *	type,
		int *	count
	)

get type count field index and type index

Returns:

1 OK

0 on error

Parameters:

	Map_info	structure
	index

Definition at line 152 of file Vlib/cindex.c.

Referenced by Vect_cidx_dump().

int Vect_cidx_open	(	struct Map_info *	Map,
		int	head_only
	)

Definition at line 413 of file Vlib/cindex.c.

References dig_cidx_init(), dig_file_init(), and dig_read_cidx().

Referenced by Vect__open_old().

int Vect_cidx_save

(

struct Map_info *

Map

)

write category index to file

Returns:

0 on success

1 on error

Parameters:

Map_info

structure

Definition at line 370 of file Vlib/cindex.c.

References dig__byte_order_out(), dig_file_init(), dig_init_portable(), and dig_write_cidx().

Referenced by Vect_close().

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