diegoripley/tippecanoe
1
0
Fork 0
mirror of https://github.com/felt/tippecanoe.git synced 2026-10-04 17:35:42 +02:00
Code Issues Packages Projects Releases Wiki Activity

Use bounding box for quick accept/reject before detailed clipping.

Browse Source
This commit is contained in:
Eric Fischer
2014-12-11 13:34:50 -08:00
parent 380550ce85
commit 105dfa73d7
3 changed files with 67 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tile.cc
+18 -9
View File
@@ -386,25 +386,34 @@ long long write_tile(char **geoms, char *metabase, unsigned *file_bbox, int z, u
long long metastart;
deserialize_long_long(geoms, &metastart);
char *meta = metabase + metastart;
long long bbox[4];
drawvec geom = decode_geometry(geoms, z, tx, ty, line_detail);
drawvec geom = decode_geometry(geoms, z, tx, ty, line_detail, bbox);
signed char minzoom;
deserialize_byte(geoms, &minzoom);
int quick = quick_check(bbox, z, line_detail, buffer);
if (quick == 0) {
continue;
}
#if 0
if (z > i->maxzoom) {
continue;
}
#endif
if (t == VT_LINE) {
geom = clip_lines(geom, z, line_detail, buffer);
}
if (t == VT_POLYGON) {
geom = clip_poly(geom, z, line_detail, buffer);
}
if (t == VT_POINT) {
geom = clip_point(geom, z, line_detail, buffer);
if (quick != 1) {
if (t == VT_LINE) {
geom = clip_lines(geom, z, line_detail, buffer);
}
if (t == VT_POLYGON) {
geom = clip_poly(geom, z, line_detail, buffer);
}
if (t == VT_POINT) {
geom = clip_point(geom, z, line_detail, buffer);
}
}
geom = remove_noop(geom, t);