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Trying to follow Vlad's suggestion and work from the top down.

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Doesn't quite work yet, but seems like the right thing to do.
From the bottom up, indexing is a mess because of the buffering,
and includes unneeded areas in the bounding boxes of big features.
This commit is contained in:
Eric Fischer
2014-12-03 16:18:43 -08:00
parent eaeb55bf71
commit 08ff40e42f
6 changed files with 258 additions and 125 deletions
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geometry.hh
+1
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@@ -18,6 +18,7 @@ typedef std::vector<draw> drawvec;
drawvec decode_geometry(char **meta, int z, unsigned tx, unsigned ty, int detail);
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);