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- struct dlg_node
- {
- double x;
- double y;
- int n_lines;
- int n_atts;
- int n_lines_alloc;
- int n_atts_alloc;
- int *lines;
- int *atts;
- };
- struct dlg_area
- {
- double x;
- double y;
- int n_lines;
- int n_atts;
- int n_isles;
- int n_lines_alloc;
- int n_atts_alloc;
- int *lines;
- int *atts;
- };
- struct dlg_line
- {
- int start_node;
- int end_node;
- int left_area;
- int right_area;
- int n_coors;
- int n_atts;
- int n_coors_alloc;
- int n_atts_alloc;
- int *atts;
- double *coors;
- double N;
- double S;
- double E;
- double W;
- };
- struct dlg_head
- {
- int nlines;
- char banner[73];
- char cart_unit[41];
- char source_date[11];
- char orig_scale[9];
- char line_3[73];
- int level_code;
- int plani_code;
- int plani_zone;
- int plani_units;
- double resolution;
- int trans_param;
- int misc_records;
- int num_sides;
- int num_cats;
- };
- struct dlg_coors
- {
- double lat[4];
- double lon[4];
- double utm_n[4];
- double utm_e[4];
- };
- struct dlg_proj
- {
- double params[15];
- double int_params[4];
- };
- struct dlg_cats
- {
- int read;
- char name[21];
- int form_code;
- int num_nodes;
- int act_nodes;
- int nta_link;
- int ntl_link;
- int num_areas;
- int act_areas;
- int atn_link;
- int atl_link;
- int area_list;
- int num_lines;
- int act_lines;
- int line_list;
- };
- struct dlg
- {
- struct dlg_head head;
- struct dlg_cats cats;
- struct dlg_coors coors;
- struct dlg_proj proj;
- struct dlg_line line;
- struct dlg_area area;
- struct dlg_node node;
- long *node_off;
- long *area_off;
- long *line_off;
- int node_alloc;
- int area_alloc;
- int line_alloc;
- int max_nodes;
- int max_areas;
- int max_lines;
- };
- #define SW 0
- #define NW 1
- #define NE 2
- #define SE 3
- /* this will be stored as a double on mass, sun and 3b2's */
- #define ISLAND_MARKER -99999999.
- /* Need a definition for FILE */
- #include <stdio.h>
- int dlg_init(FILE *, struct dlg *);
- int dlg_read(FILE *, struct dlg *);
- int _dlg_read_node(struct dlg_node *, FILE *);
- int _dlg_read_area(struct dlg_area *, FILE *);
- int _dlg_read_line(struct dlg_line *, FILE *);
- int _dlg_write_area(struct dlg_area *, FILE *);
- int dlg_write_header(FILE *, struct dlg *);
- int _dlg_write_line(struct dlg_line *, FILE *);
- int _dlg_write_node(struct dlg_node *, FILE *);
- int dlg_read_whole_area(FILE *, struct dlg *, int, double **, double **,
- int *, int *);
- int dlg_read_area(FILE *, struct dlg *, int);
- int dlg_read_line(FILE *, struct dlg *, int);
- int dlg_read_node(FILE *, struct dlg *, int);
- int dlg_read_int(FILE *, int, int **);
- int dlg_write_int(FILE *, int, int *);
- int dlg_write_double(FILE *, int, double *);
- int dlg_write_area(FILE *, struct dlg *, int);
- int dlg_write_line(FILE *, struct dlg *, int);
- int dlg_write_node(FILE *, struct dlg *, int);
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