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displaying issues on opengles

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master
steffen 13 years ago
parent 168d3b386d
commit 6eb422d368
9 changed files with 269 additions and 20 deletions
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11
ChangeLog
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@ -1,6 +1,17 @@
Version 0.0.2: name changed to spOSMroute, since on there had been another Version 0.0.2: name changed to spOSMroute, since on there had been another
OSMroute already. OSMroute already.
============================================================================= =============================================================================
(2013-05-02):
- fixed: areas haven't been updated right.
- added: areas have subid now.
- changed: saving subid within the id by shifting bits to the left.
saving 2 bytes each way.
- fixed: areas get split into different parts on each inside angle above 180°
should fix displaying issues on opengl and opengles devices.
(2013-03-11): (2013-03-11):
- rewrote most parts of the gui handling. - rewrote most parts of the gui handling.

21
base/vector.c
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@ -21,6 +21,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/ */
#include <math.h>
#include "osmroute.h" #include "osmroute.h"
#include "vector.h" #include "vector.h"
@ -108,3 +109,23 @@ fPoint vec_mul (fPoint v, float f) {
a.y = f * v.y; a.y = f * v.y;
return a; return a;
}; };
/* calc angle of three points assuming v2 is the center.. */
float point_angle (fPoint v1, fPoint v2, fPoint v3) {
float a1;
float a3;
float delta;
v1 = vec_sub (v1, v2);
v3 = vec_sub (v3, v2);
a1 = atan2f (v1.y, v1.x);
a3 = atan2f (v3.y, v3.x);
if (a1 < 0.0) a1 += 2.0*M_PI;
if (a3 < 0.0) a3 += 2.0*M_PI;
if ((delta = a1-a3) < 0.0) delta += 2.0*M_PI;
return delta;
};

2
base/vector.h
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@ -35,4 +35,6 @@ extern fPoint vec_mirror (fPoint veca);
extern float vec_len (fPoint veca); extern float vec_len (fPoint veca);
extern fPoint vec_mul (fPoint v, float f); extern fPoint vec_mul (fPoint v, float f);
extern float point_angle (fPoint v1, fPoint v2, fPoint v3);
#endif #endif

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doc/TechDoc.odt
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15
draw/draw.c
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@ -479,12 +479,19 @@ void draw_map () {
carea = mh->areas; carea = mh->areas;
while (carea) { while (carea) {
if (draw_type[carea->type + MWAY_MAX]) { if (draw_type[carea->type + MWAY_MAX]) {
draw_polygonstart (); draw_polygonstart ();
for (n = 0; n < carea->p_cnt; n++) for (n = 0; n < carea->p_cnt; n++)
if (n == 0 || n == carea->p_cnt-1 || view_scale < 0.01 if (n == 0 || n == carea->p_cnt-1 || view_scale < 0.01
|| ((view_scale < 0.1 && (n % 2) == 0) || carea->p_cnt < 5) || ((view_scale < 0.1 && (n % 2) == 0) || carea->p_cnt < 5)
|| ((view_scale < 0.1 && (n % 4) == 0) || carea->p_cnt < 10)) { || ((view_scale < 0.1 && (n % 4) == 0) || carea->p_cnt < 10)) {
p1 = draw_geo2screen (view_lon, view_lat, carea->p[n].lon, carea->p[n].lat); p1 = draw_geo2screen (view_lon, view_lat, carea->p[n].lon, carea->p[n].lat);
// if (n == 0) {
// draw_line (img_map, p1.x + center.x - 5, p1.y + center.y - 5, p1.x + center.x + 5, p1.y + center.y + 5, tmplinestyle);
// draw_line (img_map, p1.x + center.x + 5, p1.y + center.y - 5, p1.x + center.x - 5, p1.y + center.y + 5, tmplinestyle);
// }
// if (n == 0) sprintf (text, "%d:%d", n, carea->subid);
// else sprintf (text, "%d", n);
// gfx_draw_text (img_map, p1.x + center.x - 20, p1.y + center.y - 10, text, &color[COLOR_white][3]);
draw_polygonadd (p1.x + center.x, p1.y + center.y); draw_polygonadd (p1.x + center.x, p1.y + center.y);
} }
draw_polygonfinish (img_map, tmplinestyle, &color_polygon[carea->type], 0); draw_polygonfinish (img_map, tmplinestyle, &color_polygon[carea->type], 0);
@ -494,12 +501,11 @@ void draw_map () {
} }
} }
/* /*
* draw ways * draw ways
*/ */
/* draw outside */ /* draw outside */
for (h.ilon = hs.ilon; h.ilon <= he.ilon; h.ilon++) for (h.ilon = hs.ilon; h.ilon <= he.ilon; h.ilon++)
for (h.ilat = hs.ilat; h.ilat <= he.ilat; h.ilat++) { for (h.ilat = hs.ilat; h.ilat <= he.ilat; h.ilat++) {
/* /*
* draw the hash.. * draw the hash..
@ -573,7 +579,7 @@ void draw_map () {
} }
/* ways inside */ /* ways inside */
for (h.ilon = hs.ilon; h.ilon <= he.ilon; h.ilon++) for (h.ilon = hs.ilon; h.ilon <= he.ilon; h.ilon++)
for (h.ilat = hs.ilat; h.ilat <= he.ilat; h.ilat++) { for (h.ilat = hs.ilat; h.ilat <= he.ilat; h.ilat++) {
/* /*
* draw the hash.. * draw the hash..
@ -679,7 +685,6 @@ void draw_map () {
} }
} }
/* /*
* draw places, pois just on top layers * draw places, pois just on top layers
*/ */

3
mapsys/map.h
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@ -44,7 +44,7 @@
#define MAP_LSSTAT_MAX 128 #define MAP_LSSTAT_MAX 128
#endif #endif
#define MAP_LSSIZE_HASH 28 #define MAP_LSSIZE_HASH 28
#define MAP_LSSIZE_WAY 16 #define MAP_LSSIZE_WAY 14
#define MAP_LSSIZE_WAYNODE 23 #define MAP_LSSIZE_WAYNODE 23
#define MAP_LSSIZE_POS 8 #define MAP_LSSIZE_POS 8
#define MAP_LSSIZE_AREA 12 #define MAP_LSSIZE_AREA 12
@ -176,6 +176,7 @@ struct map_way {
struct map_area { struct map_area {
char status; char status;
unsigned long long int id; unsigned long long int id;
unsigned short int subid;
unsigned char type; unsigned char type;
unsigned char flags; unsigned char flags;

12
mapsys/map_area.c
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@ -39,11 +39,18 @@ int map_area_add_to_hash (struct map_hash *mh, struct map_area *ma) {
int size; int size;
struct map_area *a; struct map_area *a;
/* check if the first element is already the one we want to update */
if (mh->areas && mh->areas->id == ma->id && mh->areas->subid == ma->subid) {
mh->areas = mh->areas->next;
mh->areascnt--;
}
/* find possible update and go to the end */
if (mh->areas) { if (mh->areas) {
/* find last way */ /* find last way */
a = mh->areas; a = mh->areas;
while (a && a->next) { while (a && a->next) {
if (a->next->id == ma->id) { if (a->next->id == ma->id && a->next->subid == a->subid) {
/* found old way.. just delete .. */ /* found old way.. just delete .. */
a->next = a->next->next; a->next = a->next->next;
mh->areascnt--; mh->areascnt--;
@ -85,6 +92,8 @@ int map_area_add (struct map_area *area, int loadflags) {
int size; int size;
if (area->p == NULL || area->p_cnt == 0) return 0; if (area->p == NULL || area->p_cnt == 0) return 0;
// area->type = area->subid % MAREA_campsite + 1;
// d_printf ("subid:%d type:%d cnt:%d", area->subid, area->type, area->p_cnt);
size = map_area_getsize (area); size = map_area_getsize (area);
mh = map_hash_get (area->p[0].lon, area->p[0].lat, loadflags); mh = map_hash_get (area->p[0].lon, area->p[0].lat, loadflags);
@ -110,6 +119,7 @@ void map_area_copy (struct map_area *dest, struct map_area *src) {
int i; int i;
dest->id = src->id; dest->id = src->id;
dest->subid = src->subid;
dest->type = src->type; dest->type = src->type;
dest->p_cnt = src->p_cnt; dest->p_cnt = src->p_cnt;
dest->p = (struct map_pos*) (dest->data); dest->p = (struct map_pos*) (dest->data);

13
mapsys/map_loadsave.c
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@ -38,6 +38,8 @@
#include "memoryleak.h" #include "memoryleak.h"
#include "osmroute.h" #include "osmroute.h"
#define MAP_BITS_SUBID 5
char *lsrw_data = NULL; char *lsrw_data = NULL;
int lsrw_data_size = 0; int lsrw_data_size = 0;
char *lshash_data = NULL; char *lshash_data = NULL;
@ -576,9 +578,8 @@ char *map_ls_hash2data (struct map_hash *mh, int *size) {
/* save the basic data */ /* save the basic data */
ui64 = mw->id; /* id */ ui64 = mw->id; /* id */
ui64 = (ui64 << MAP_BITS_SUBID) | mw->subid;
woutpos = mempush (woutpos, &ui64, 8); woutpos = mempush (woutpos, &ui64, 8);
ui16 = mw->subid; /* subid */
woutpos = mempush (woutpos, &ui16, 2);
ui8 = mw->type; /* type */ ui8 = mw->type; /* type */
woutpos = mempush (woutpos, &ui8, 1); woutpos = mempush (woutpos, &ui8, 1);
ui8 = mw->flags; /* flags */ ui8 = mw->flags; /* flags */
@ -644,7 +645,7 @@ char *map_ls_hash2data (struct map_hash *mh, int *size) {
map_ls_hashdatacheckpos (*size, &woutpos); map_ls_hashdatacheckpos (*size, &woutpos);
/* save the basic data */ /* save the basic data */
ui64 = ma->id; /* id */ ui64 = (ma->id << MAP_BITS_SUBID) | ma->subid; /* id */
woutpos = mempush (woutpos, &ui64, 8); woutpos = mempush (woutpos, &ui64, 8);
ui8 = ma->type; /* type */ ui8 = ma->type; /* type */
woutpos = mempush (woutpos, &ui8, 1); woutpos = mempush (woutpos, &ui8, 1);
@ -839,9 +840,8 @@ struct map_hash *map_ls_data2hash (char *data, int size) {
for (cnt = 0; cnt < lsh.ways; cnt++) { for (cnt = 0; cnt < lsh.ways; cnt++) {
/* load basic data */ /* load basic data */
inpos = mempop (inpos, &ui64, 8); inpos = mempop (inpos, &ui64, 8);
way->id = ui64; way->subid = ui64 % (1<<MAP_BITS_SUBID);
inpos = mempop (inpos, &ui16, 2); way->id = (ui64 >> MAP_BITS_SUBID);
way->subid = ui16;
inpos = mempop (inpos, &ui8, 1); inpos = mempop (inpos, &ui8, 1);
way->type = ui8; way->type = ui8;
inpos = mempop (inpos, &ui8, 1); inpos = mempop (inpos, &ui8, 1);
@ -914,6 +914,7 @@ struct map_hash *map_ls_data2hash (char *data, int size) {
area->next = NULL; area->next = NULL;
inpos = mempop (inpos, &ui64, 8); inpos = mempop (inpos, &ui64, 8);
area->subid = ui64 % (1<<MAP_BITS_SUBID);
area->id = ui64; area->id = ui64;
inpos = mempop (inpos, &ui8, 1); inpos = mempop (inpos, &ui8, 1);
area->type = ui8; area->type = ui8;

212
mapsys/map_osmload.c
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@ -34,6 +34,7 @@
#include "map.h" #include "map.h"
#include "system.h" #include "system.h"
#include "memoryleak.h" #include "memoryleak.h"
#include "vector.h"
#include <locale.h> #include <locale.h>
#include <unistd.h> #include <unistd.h>
@ -190,6 +191,7 @@ void osm_waynodes_checknode (struct s_osm_hashnodes *nhash, struct osm_node *nod
void osm_marea_new (struct s_osmmarea *a, int max); void osm_marea_new (struct s_osmmarea *a, int max);
void osm_area_save (struct osm_way *oway, struct s_osmmarea *marea); void osm_area_save (struct osm_way *oway, struct s_osmmarea *marea);
int osm_area_split_add (struct s_osmmarea *marea);
void osm_nodedetail_save (struct osm_nodedetail *onoded, struct osm_node *node); void osm_nodedetail_save (struct osm_nodedetail *onoded, struct osm_node *node);
@ -696,7 +698,8 @@ void osm_waynode_add (struct osm_node *node, long long int nodepos, unsigned lon
do { do {
lseek (hnodes->nodes_fd, wpos, SEEK_SET); lseek (hnodes->nodes_fd, wpos, SEEK_SET);
if (read (hnodes->nodes_fd, &wn, sizeof (struct osm_waynode)) < sizeof (struct osm_waynode)) { if (read (hnodes->nodes_fd, &wn, sizeof (struct osm_waynode)) < sizeof (struct osm_waynode)) {
d_printf ("%s:%d could not read data from file:%s pos:%d", __FILE__, __LINE__, hnodes->fnnodes, hash.pos); d_printf ("%s:%d could not read data from file:%s pos:%d", __FILE__, __LINE__,
hnodes->fnnodes, hash.pos);
errorexit (-1); errorexit (-1);
} }
wpos = wn.next; wpos = wn.next;
@ -707,7 +710,8 @@ void osm_waynode_add (struct osm_node *node, long long int nodepos, unsigned lon
pos = 0 - (long long int)sizeof (struct osm_waynode); pos = 0 - (long long int)sizeof (struct osm_waynode);
lseek (hnodes->nodes_fd, pos, SEEK_CUR); lseek (hnodes->nodes_fd, pos, SEEK_CUR);
if (write (hnodes->nodes_fd, &wn, sizeof (struct osm_waynode)) < sizeof (struct osm_waynode)) { if (write (hnodes->nodes_fd, &wn, sizeof (struct osm_waynode)) < sizeof (struct osm_waynode)) {
d_printf ("%s:%d could not write data to file:%s pos:%d", __FILE__, __LINE__, hnodes->fnnodes, hash.pos); d_printf ("%s:%d could not write data to file:%s pos:%d", __FILE__, __LINE__,
hnodes->fnnodes, hash.pos);
errorexit (-1); errorexit (-1);
} }
} }
@ -719,7 +723,6 @@ void osm_waynode_add (struct osm_node *node, long long int nodepos, unsigned lon
d_printf ("%s:%d could not read data from file:%s pos:%d", __FILE__, __LINE__, hnodes->fnnodes, hash.pos); d_printf ("%s:%d could not read data from file:%s pos:%d", __FILE__, __LINE__, hnodes->fnnodes, hash.pos);
errorexit (-1); errorexit (-1);
} }
return; return;
}; };
@ -741,7 +744,8 @@ void osm_waynodes_check () {
/* read node */ /* read node */
lseek (ohash->nodes_fd, ohash->hash[i].pos, SEEK_SET); lseek (ohash->nodes_fd, ohash->hash[i].pos, SEEK_SET);
if (read (ohash->nodes_fd, &node, sizeof (struct osm_node)) < sizeof (struct osm_node)) { if (read (ohash->nodes_fd, &node, sizeof (struct osm_node)) < sizeof (struct osm_node)) {
d_printf ("%s:%d could not read data from file:%s pos:%d", __FILE__, __LINE__, ohash->fnnodes, ohash->hash[i].pos); d_printf ("%s:%d could not read data from file:%s pos:%d", __FILE__, __LINE__,
ohash->fnnodes, ohash->hash[i].pos);
errorexit (-1); errorexit (-1);
} }
osm_waynodes_checknode (ohash, &node); osm_waynodes_checknode (ohash, &node);
@ -777,7 +781,8 @@ void osm_waynodes_checknode (struct s_osm_hashnodes *ohash, struct osm_node *nod
do { do {
/* read waynode */ /* read waynode */
if (read (ohash->nodes_fd, &osm_wnode[wncnt], sizeof (struct osm_waynode)) < sizeof (struct osm_waynode)) { if (read (ohash->nodes_fd, &osm_wnode[wncnt], sizeof (struct osm_waynode)) < sizeof (struct osm_waynode)) {
d_printf ("%s:%d could not read data from file:%s pos:%d", __FILE__, __LINE__, ohash->fnnodes, osm_wnode[wncnt].next); d_printf ("%s:%d could not read data from file:%s pos:%d",
__FILE__, __LINE__, ohash->fnnodes, osm_wnode[wncnt].next);
errorexit (-1); errorexit (-1);
} }
lseek (ohash->nodes_fd, osm_wnode[wncnt].next, SEEK_SET); lseek (ohash->nodes_fd, osm_wnode[wncnt].next, SEEK_SET);
@ -1036,6 +1041,7 @@ void osm_area_save (struct osm_way *oway, struct s_osmmarea *area ) {
static int nodestat_alloc = 0; // size of the struct static int nodestat_alloc = 0; // size of the struct
struct map_pos pos, p1; // current hash, pos struct map_pos pos, p1; // current hash, pos
struct osm_node curnode, node; // current node, node struct osm_node curnode, node; // current node, node
int sid = 0;
/* check if we just need to free all data */ /* check if we just need to free all data */
if (oway == NULL) { if (oway == NULL) {
@ -1105,6 +1111,7 @@ void osm_area_save (struct osm_way *oway, struct s_osmmarea *area ) {
/* save first node */ /* save first node */
area->marea->id = oway->wid; area->marea->id = oway->wid;
area->marea->subid = sid;
area->marea->type = oway->type; area->marea->type = oway->type;
area->marea->p_cnt = 1; area->marea->p_cnt = 1;
area->marea->p = (struct map_pos *) area->marea->data; area->marea->p = (struct map_pos *) area->marea->data;
@ -1120,7 +1127,8 @@ void osm_area_save (struct osm_way *oway, struct s_osmmarea *area ) {
if (++nd >= oway->ncnt) nd = 0; /* count +1, check for overrun */ if (++nd >= oway->ncnt) nd = 0; /* count +1, check for overrun */
while (nd != ndfirst) { while (nd != ndfirst) {
if (osm_node_load (&node, oway->nid[nd]) == -1) { if (osm_node_load (&node, oway->nid[nd]) == -1) {
d_printf ("%s:%d osm_area_save count not find node number: %lld", __FILE__, __LINE__, oway->nid[nd]); d_printf ("%s:%d osm_area_save count not find node number: %lld",
__FILE__, __LINE__, oway->nid[nd]);
return; return;
} }
pos.lon = node.lon; pos.lon = node.lon;
@ -1150,7 +1158,7 @@ void osm_area_save (struct osm_way *oway, struct s_osmmarea *area ) {
} }
if (++nd >= oway->ncnt) nd = 0; /* count +1, check for overrun */ if (++nd >= oway->ncnt) nd = 0; /* count +1, check for overrun */
} }
map_area_add (area->marea, MHLOAD_RELOAD); osm_area_split_add (area);
} }
} while (ndfirst < oway->ncnt); } while (ndfirst < oway->ncnt);
@ -1158,6 +1166,196 @@ void osm_area_save (struct osm_way *oway, struct s_osmmarea *area ) {
}; };
/*
* convert area into a polygon without angles above 180°
* it saves time late in drawing on slow devices.
* only needed because of GL_TRIANGLE_STRIP and return
* last subid saved.
*/
struct s_osmareapnt {
int pnr;
fPoint km;
float angle;
};
int osm_area_split_add (struct s_osmmarea *marea) {
/* allocate enought memory */
struct map_area *a = NULL;
struct s_osmareapnt *pall = ml_malloc (sizeof (struct s_osmareapnt) * marea->marea->p_cnt);
int pall_cnt = marea->marea->p_cnt;
int i, j, c, k, smaller;
int _debug = 0;
// if (marea->marea->id == 29225778) _debug = 1;
// else return 1;
// d_printf ("marea: %lld cnt:%d", marea->marea->id, marea->marea->p_cnt);
// map_area_add (marea->marea, MHLOAD_RELOAD);
// return 1;
// if (_debug) d_printf ("area:%lld:%d", marea->marea->id, marea->marea->subid);
a = ml_malloc (map_area_getsize (marea->marea));
map_area_copy (a, marea->marea);
/* calculate all klon, klat and prepare start struct, also
* ignore double entrys */
for (c = 0, i = 0; i < marea->marea->p_cnt; i++) {
if (i == 0) j = marea->marea->p_cnt-1;
else j = i-1;
if (marea->marea->p[i].lon == marea->marea->p[j].lon
&& marea->marea->p[i].lat == marea->marea->p[j].lat) continue;
pall[c].pnr = i;
pall[c].km.x = map_lon2km (marea->marea->p[i].lon, marea->marea->p[i].lat);
pall[c].km.y = map_lat2km (marea->marea->p[i].lat);
c++;
}
pall_cnt = c;
while (pall[0].pnr >= 0 && pall_cnt > 2) {
/* j - will keep first ptr to start checking polygon
* c - counter how many angles > 180° */
// d_printf ("**************** subid:%d pallcnt:%d", a->subid, pall_cnt);
for (smaller = 0, j = -1, c = 0, i = 0; i < pall_cnt; i++) {
if (i == pall_cnt-1) pall[i].angle = point_angle (pall[i-1].km, pall[i].km, pall[0].km);
else if (i == 0) pall[i].angle = point_angle (pall[pall_cnt-1].km, pall[i].km, pall[i+1].km);
else pall[i].angle = point_angle (pall[i-1].km, pall[i].km, pall[i+1].km);
if (pall[i].angle > M_PI) {
if (j == -1 ||j+1 == i) j = i;
c++;
}
else smaller = 1;
// if (_debug) d_printf ("i:%-2d pnr:%-2d angle:%f",i, pall[i].pnr, pall[i].angle);
}
// if (_debug) d_printf ("c:%d pall_cnt:%d j:%d",c, pall_cnt, j);
/* if all angles are abover 180° turn rotation around */
if (smaller == 0) {
struct s_osmareapnt *pall_ = ml_malloc (sizeof (struct s_osmareapnt) * pall_cnt);
// if (_debug) d_printf ("change rotation ...");
for (i = 0; i < pall_cnt; i++) pall_[pall_cnt - i - 1] = pall[i];
ml_free (pall);
pall = pall_;
}
/* if c==0 save last areapart */
else if (c == 0) {
for (i = 0; i < pall_cnt; i++) {
// if (_debug) d_printf ("0: added %d pnr:%d", k, pall[i].pnr);
a->p[i] = marea->marea->p[pall[i].pnr];
pall[i].pnr = -1;
}
a->p_cnt = pall_cnt;
map_area_add (a, MHLOAD_RELOAD);
a->subid++;
}
/* if c==1 select j as 0 then quit, if GL_TRIANGLE_STRIP gets kicked out of
* openGL we need to change this */
else if (c == 1) {
for (k = 0, i = j; k < pall_cnt;) {
// if (_debug) d_printf ("1: added %d pnr:%d", k, pall[i].pnr);
a->p[k++] = marea->marea->p[pall[i].pnr];
pall[i].pnr = -1;
if (i < pall_cnt-1) i++;
else i = 0;
}
a->p_cnt = pall_cnt;
map_area_add (a, MHLOAD_RELOAD);
a->subid++;
}
/* check again for the part to split the area. */
else {
float angle;
int s; /* second point */
float angle_old; /* old value */
int i_old;
int pnr_old;
k = 0;
i = j;
// if (_debug) d_printf ("added %d pnr:%d", k, pall[i].pnr);
a->p[k++] = marea->marea->p[pall[i].pnr]; /* copy first point */
if (i < pall_cnt-1) i++; /* increase */
else i = 0;
i_old = s = i;
angle_old = angle = 0.0;
if (_debug) d_printf ("pall_cnt:%d c:%d s:%d j:%d", pall_cnt, c, s, j);
/* loop as long as angle is increasing and below 180° */
for (; i != j && angle_old <= angle && angle <= M_PI;) {
angle_old = angle; /* save old values */
i_old = i;
pnr_old = pall[i].pnr;
// if (_debug) d_printf ("added %d pnr:%d", k, pall[i].pnr);
a->p[k++] = marea->marea->p[pall[i].pnr]; /* copy point */
pall[i].pnr = -1;
if (i < pall_cnt-1) i++; /* increase */
else i = 0;
angle = point_angle (pall[i].km, pall[j].km, pall[s].km);
// if (_debug) d_printf ("k:%d next angle:%f angle_old:%f pall[%d].angle:%f nr:%d", k, angle, angle_old, i, pall[i].angle, pall[i].pnr);
}
// if (_debug) d_printf ("j:%d i:%d s:%d k:%d angle:%f angle_old:%f pall[i].angle:%f",
// j, i, s, k, angle, angle_old, pall[i].angle);
// /* last visible point */
// if (pall[i].angle > M_PI) {
// if (_debug) d_printf ("added %d pnr:%d", k, pall[i].pnr);
// a->p[k++] = marea->marea->p[pall[i].pnr]; /* copy point */
// }
// else
if (angle_old > angle) {
pall[i_old].pnr = pnr_old;
}
else if (angle > M_PI) {
pall[i_old].pnr = pnr_old;
}
else if (i == j) {
d_printf ("%s:%d i(%d) == j(%d) finished?", __FILE__, __LINE__, i, j);
}
// if (_debug) d_printf ("j:%d i:%d s:%d k:%d angle:%f angle_old:%f pall[i].angle:%f",
// j, i, s, k, angle, angle_old, pall[i].angle);
/* add element */
a->p_cnt = k;
map_area_add (a, MHLOAD_RELOAD);
a->subid++;
}
/* recreate pall list, delete unneeded elements (pnr == -1) */
for (k = 0, i = 0; i < pall_cnt; i++)
if (pall[i].pnr != -1) {
pall[k++] = pall[i];
// if (_debug) d_printf (" old:%-2d new:%-2d pnr:%d", i, k, pall[i].pnr);
}
pall_cnt = k;
}
// if (_debug) d_printf ("j:%d c:%d", j, c);
if (pall[0].pnr >= 0 && pall_cnt > 0) {
d_printf ("%s:%d osm_area_split_add: something went very wrong", __FILE__, __LINE__);
d_printf (" marea->id: %lld:%d", marea->marea->id, marea->marea->subid);
d_printf (" pall[0].pnr:%d pall_cnt: %d", pall[0].pnr, pall_cnt);
}
/* free unneeded memory and return to caller */
ml_free (a);
ml_free (pall);
return a->subid;
};
/******************************************************************** /********************************************************************
* save detail information of the node. This will also create the * save detail information of the node. This will also create the

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