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

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Eric Fischer
2014-12-11 13:34:50 -08:00
parent 380550ce85
commit 105dfa73d7
3 changed files with 67 additions and 11 deletions
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geometry.hh
+2 -1
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@@ -15,12 +15,13 @@ struct draw {
typedef std::vector<draw> drawvec;
drawvec decode_geometry(char **meta, int z, unsigned tx, unsigned ty, int detail);
drawvec decode_geometry(char **meta, int z, unsigned tx, unsigned ty, int detail, long long *bbox);
void to_tile_scale(drawvec &geom, int z, int detail);
drawvec remove_noop(drawvec geom, int type);
drawvec clip_point(drawvec &geom, int z, int detail, long long buffer);
drawvec clip_poly(drawvec &geom, int z, int detail, int buffer);
drawvec reduce_tiny_poly(drawvec &geom, int z, int detail, bool *reduced, double *accum_area);
drawvec clip_lines(drawvec &geom, int z, int detail, long long buffer);
int quick_check(long long *bbox, int z, int detail, long long buffer);
drawvec simplify_lines(drawvec &geom, int z, int detail);
drawvec reorder_lines(drawvec &geom);