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Shrink the geometry by shaving off bits below the maxzoom tile resolution

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Eric Fischer
2015-06-18 14:16:16 -07:00
parent a1d3ecf9bb
commit a185073f0a
4 changed files with 12 additions and 7 deletions
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tile.cc
+2 -2
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@@ -510,8 +510,8 @@ long long write_tile(char **geoms, char *metabase, char *stringpool, unsigned *f
serialize_byte(geomfile[j], geom[u].op, &geompos[j], fname);
if (geom[u].op != VT_CLOSEPATH) {
serialize_long_long(geomfile[j], geom[u].x + sx - wx, &geompos[j], fname);
serialize_long_long(geomfile[j], geom[u].y + sy - wy, &geompos[j], fname);
serialize_long_long(geomfile[j], ((geom[u].x + sx) >> geometry_scale) - (wx >> geometry_scale), &geompos[j], fname);
serialize_long_long(geomfile[j], ((geom[u].y + sy) >> geometry_scale) - (wy >> geometry_scale), &geompos[j], fname);
wx = geom[u].x + sx;
wy = geom[u].y + sy;
}