VladPolskiy/openstreetmap-mod_tile-python-implementation
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Merge pull request #82 from Zverik/retina

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SCALE option to produce retina tiles
This commit is contained in:
apmon
2014-07-09 12:56:12 -06:00
parent d1aaaaaed7 7e9abfbb29
commit 34dbe66acb
4 changed files with 14 additions and 2 deletions
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1
includes/daemon.h
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@ -37,6 +37,7 @@ typedef struct {
char tile_dir[PATH_MAX];
char parameterization[PATH_MAX];
int tile_px_size;
double scale_factor;
int min_zoom;
int max_zoom;
int num_threads;

1
renderd.conf
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@ -40,6 +40,7 @@ TILESIZE=256
;CORS=http://www.openstreetmap.org
;ASPECTX=1
;ASPECTY=1
;SCALE=1.0
;[style2]
;URI=/osm_tiles2/

8
src/daemon.c
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@ -758,6 +758,14 @@ int main(int argc, char **argv)
exit(7);
}
sprintf(buffer, "%s:scale", name);
char *ini_scale = iniparser_getstring(ini, buffer, (char *) "1.0");
maps[iconf].scale_factor = atof(ini_scale);
if (maps[iconf].scale_factor < 0.1 || maps[iconf].scale_factor > 8.0) {
fprintf(stderr, "Scale factor is invalid: %s\n", ini_scale);
exit(7);
}
sprintf(buffer, "%s:tiledir", name);
char *ini_tiledir = iniparser_getstring(ini, buffer, (char *) config.tile_dir);
if (strlen(ini_tiledir) >= (PATH_MAX - 1)) {

6
src/gen_tile.cpp
View File

@ -81,6 +81,7 @@ struct xmlmapconfig {
char htcphost[PATH_MAX];
int htcpsock;
int tilesize;
double scale;
int minzoom;
int maxzoom;
int ok;
@ -235,7 +236,7 @@ static enum protoCmd render(struct xmlmapconfig * map, int x, int y, int z, char
map->map.resize(render_size_tx*map->tilesize, render_size_ty*map->tilesize);
map->map.zoom_to_box(tile2prjbounds(map->prj, x, y, z));
if (map->map.buffer_size() == 0) { // Only set buffer size if the buffer size isn't explicitly set in the mapnik stylesheet.
map->map.set_buffer_size(128);
map->map.set_buffer_size((map->tilesize >> 1) * map->scale);
}
//m.zoom(size+1);
@ -244,7 +245,7 @@ static enum protoCmd render(struct xmlmapconfig * map, int x, int y, int z, char
Map map_parameterized = map->map;
if (map->parameterize_function)
map->parameterize_function(map_parameterized, options);
mapnik::agg_renderer<mapnik::image_32> ren(map_parameterized,buf);
mapnik::agg_renderer<mapnik::image_32> ren(map_parameterized,buf,map->scale);
ren.apply();
} catch (std::exception const& ex) {
syslog(LOG_ERR, "ERROR: failed to render TILE %s %d %d-%d %d-%d", map->xmlname, z, x, x+render_size_tx-1, y, y+render_size_ty-1);
@ -329,6 +330,7 @@ void *render_thread(void * arg)
strcpy(maps[iMaxConfigs].xmlfile, parentxmlconfig[iMaxConfigs].xmlfile);
maps[iMaxConfigs].store = init_storage_backend(parentxmlconfig[iMaxConfigs].tile_dir);
maps[iMaxConfigs].tilesize = parentxmlconfig[iMaxConfigs].tile_px_size;
maps[iMaxConfigs].scale = parentxmlconfig[iMaxConfigs].scale_factor;
maps[iMaxConfigs].minzoom = parentxmlconfig[iMaxConfigs].min_zoom;
maps[iMaxConfigs].maxzoom = parentxmlconfig[iMaxConfigs].max_zoom;
maps[iMaxConfigs].parameterize_function = init_parameterization_function(parentxmlconfig[iMaxConfigs].parameterization);