57 Commits

Author	SHA1	Message	Date
Eric Fischer	49b36e09cc	Tiny polygons (smaller than a pixel) decay into probabilities.	2014-10-07 15:38:06 -07:00
Eric Fischer	adbd9f6edb	Add a flag to select the rate at which points are dropped at low zooms.	2014-10-07 13:54:13 -07:00
Eric Fischer	8594dbe56b	If a tile is too big, try backing off to lower resolutions before failing	2014-10-07 10:27:17 -07:00
Eric Fischer	3433d17a96	Clip polygons to just outside the tile boundary	2014-10-03 16:33:22 -07:00
Eric Fischer	722e5f16eb	Dashing: better than shortening, but still too visible	2014-10-01 14:01:58 -07:00
Eric Fischer	6922a57aea	Still looks terrible, but make segment shortening work again	2014-10-01 11:09:35 -07:00
Eric Fischer	7df269219c	Fix memory leak of field names	2014-10-01 10:20:04 -07:00
Eric Fischer	6a64cf1b04	Convert metadata to use a vector too.	2014-09-30 17:24:34 -07:00
Eric Fischer	6bbe023187	Return to sorting features before coalescing	2014-09-30 17:18:23 -07:00
Eric Fischer	3ad8a919d9	Crash if the geometry is corrupted	2014-09-30 16:37:09 -07:00
Eric Fischer	c32b0207f2	Use a constructor, and fix an encoding bug for lines clipped away entirely	2014-09-30 16:27:00 -07:00
Eric Fischer	1b3620dabc	Start converting C arrays to C++ vectors	2014-09-30 15:53:45 -07:00
Eric Fischer	04c8a4441d	Remove no-ops after coalescing, which will often generate empty moves.	2014-09-29 17:32:01 -07:00
Eric Fischer	e09bec0824	Don't coalesce point features, because multipoints don't seem to draw right.	2014-09-29 16:18:20 -07:00
Eric Fischer	099623cd32	Arrays for coalescing can get too big for the stack.	2014-09-29 15:59:36 -07:00
Eric Fischer	98b0cb5e3f	Tiles are smaller if coalesced features are sorted geographically	2014-09-29 15:38:33 -07:00
Eric Fischer	a08e57357a	Coalesce geometries of features with the same attributes	2014-09-29 15:33:14 -07:00
Eric Fischer	c02c91df5a	Make an array of features in each tile to prepare to coalesce features	2014-09-29 14:46:45 -07:00
Eric Fischer	26e9feda02	Move mbtiles code to its own source file	2014-09-29 12:48:58 -07:00
Eric Fischer	8118c13a71	Give the constant pool its own source file	2014-09-29 12:17:35 -07:00
Eric Fischer	fabeb4588d	Stop duplicating pool initialization code	2014-09-29 12:12:54 -07:00
Eric Fischer	120809b004	Clip large LineString features down to the bounds of the tile	2014-09-26 17:07:52 -07:00
Eric Fischer	7052378613	Remember to finalize statements	2014-09-26 14:51:29 -07:00
Eric Fischer	0a8420cc2e	Add options to specify the base and low-zoom level of detail	2014-09-26 10:52:19 -07:00
Eric Fischer	528e0575e2	Actually write tiles directly to the .mbtiles file!	2014-09-25 16:34:17 -07:00
Eric Fischer	201708f19c	Add command line options for zoom, title, layer name, name, output dir	2014-09-25 12:09:31 -07:00
Eric Fischer	0b23e65803	Hardcode layer name a little less.	2014-09-24 23:22:14 -07:00
Eric Fischer	1bcbd0661c	Curves look a lot better keeping 1/4-pixel detail at any zoom	2014-09-24 17:57:18 -07:00
Eric Fischer	4de57b960d	Bump up tolerance. Anything higher is visibly off.	2014-09-24 17:40:32 -07:00
Eric Fischer	ed05bc9f7e	Fix overflow that was leaving some lines too far away	2014-09-24 17:23:40 -07:00
Eric Fischer	41fcd4c82f	Mostly working line simplification	2014-09-24 16:51:53 -07:00
Eric Fischer	509171b470	Optimize out line movetos that don't actually move	2014-09-24 15:43:24 -07:00
Eric Fischer	e65eb0b310	Looks terrible, but drop pieces of lines to maintain density across zooms	2014-09-24 14:58:26 -07:00
Eric Fischer	5cde832ec6	Stay in (tile-relative) world-scaled coordinates initially	2014-09-24 14:15:04 -07:00
Eric Fischer	ce3cdfc5e9	Choose the center of the busiest tile for the map center	2014-09-24 12:14:35 -07:00
Eric Fischer	fbf60b6d80	Factor out and improve no-op drawing elimination	2014-09-24 11:42:20 -07:00
Eric Fischer	ef3d9867fc	This can just be a regular loop now	2014-09-23 21:40:23 -07:00
Eric Fischer	a8907362bd	Count drawing operations, not ops and coordinates equally	2014-09-23 18:19:06 -07:00
Eric Fischer	e8c3177725	Separate translation to tile coordinates from vector feature generation	2014-09-23 18:08:31 -07:00
Eric Fischer	95c2fb67b2	Fix large features getting included multiple times at low zooms	2014-09-23 17:18:36 -07:00
Eric Fischer	5d7a2f50a9	Write the metadata file	2014-09-23 16:12:41 -07:00
Eric Fischer	91eefcbd16	Drop more points at each lower zoom level	2014-09-23 14:42:17 -07:00
Eric Fischer	dd8f43a697	Bail if the tile size is larger than the uploader will accept	2014-09-23 12:17:18 -07:00
Eric Fischer	3170616f6d	Fix encoding of attribute values. They do have their own pool.	2014-09-23 11:41:36 -07:00
Eric Fischer	405889317e	Optimize away any features that don't draw at all	2014-09-23 11:32:36 -07:00
Eric Fischer	8ebeada364	Fix inconsistent indentation	2014-09-23 10:57:50 -07:00
Eric Fischer	00a42796b4	Use lower resolution at lower zooms. Not sure it's worth it.	2014-09-23 10:57:01 -07:00
Eric Fischer	7bb79dab8e	Optimize away deltas of 0	2014-09-23 10:37:18 -07:00
Eric Fischer	581105dc9a	Much faster to search and add to the string pool as a binary tree	2014-09-22 22:31:55 -07:00
Eric Fischer	d7cdbec980	Fix bit shifting errors at z0	2014-09-22 18:08:37 -07:00