Commit Graph

18 Commits

Author SHA1 Message Date
Eric Fischer
18cdcb0732 Drop linetos smaller than tile resolution before doing normal simplification
Since simplification is rather expensive
2015-07-01 12:16:50 -07:00
Eric Fischer
a185073f0a Shrink the geometry by shaving off bits below the maxzoom tile resolution 2015-06-18 14:16:16 -07:00
Eric Fischer
1a44538bdf Use the first coordinates of the first feature as the origin for deltas 2015-06-18 10:52:01 -07:00
Eric Fischer
46626e4f08 Delta encoding for motion within features 2015-06-17 17:48:29 -07:00
Eric Fischer
8a1f0d83e1 Consistent indent style with clang-format 2015-06-03 11:22:13 -07:00
Eric Fischer
105dfa73d7 Use bounding box for quick accept/reject before detailed clipping. 2014-12-11 13:34:50 -08:00
Eric Fischer
380550ce85 Remember to remove the closepath after clipping away a polygon 2014-12-04 14:54:11 -08:00
Eric Fischer
b7b476b36c Don't introduce bogus geometries in clipped-away features. 2014-12-03 16:30:35 -08:00
Eric Fischer
08ff40e42f Trying to follow Vlad's suggestion and work from the top down.
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.
2014-12-03 16:18:43 -08:00
Eric Fischer
eaeb55bf71 Distinguish between signed and unsigned in the temporary file 2014-12-02 18:03:07 -08:00
Eric Fischer
1aea522ef5 Fix another overflow that broke line clipping at zoom level 1. 2014-11-07 12:51:26 -08:00
Eric Fischer
241d96e57c Save a few more bytes per geometry in the temporary file
by using bytes instead of ints for the drawing operations
2014-11-05 14:37:54 -08:00
Eric Fischer
a09bf3469d Fix line clipping overflow bug 2014-10-27 14:24:11 -07:00
Eric Fischer
3cd6fcfbe0 Add option to set buffer size. Pass it through to clipping functions. 2014-10-27 13:20:17 -07:00
Eric Fischer
9bb4a549ca Silence warnings about unused variables 2014-10-24 17:24:04 -07:00
Eric Fischer
46100c34df Move projection and tile arithmetic to its own file 2014-10-24 17:22:14 -07:00
Eric Fischer
754dbf152a Remove dead code 2014-10-24 15:23:35 -07:00
Eric Fischer
17384d5da7 Move geometric transformations into their own file 2014-10-24 15:12:02 -07:00