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Improve quality of coalescing-as-needed; add options to limit feature count (#25)

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* Add an option to limit geometry vertex count

* Update docs and changelog

* Track desired feature count and geometry size in strategies

* Remove dead code for a long-forgotten inaccessible option

* Fix the option name in changelog

* Refine coalesce-smallest to only coalesce onto other small features

* Clean polygons before coalescing-as-needed

* Don't accumulate tiny polygon holes as negative dust

* Add the option not to limit the feature count at maxzoom

* Add options to limit feature count more abruptly in each tile

* Revert "Add the option not to limit the feature count at maxzoom"

This reverts commit ace173ab7a.

* Revert "Fix the option name in changelog"

This reverts commit 38dbce8405.

* Revert "Add an option to limit geometry vertex count"

This reverts commit d379fdf06b.

* Remove test for reverted option

* Remove more leftovers from geometry size limiting

* Update changelog
This commit is contained in:
Erica Fischer
2022-11-17 13:09:10 -08:00
committed by GitHub
parent 7733cced43
commit 8eec2be462
30 changed files with 1773 additions and 636 deletions
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README.md
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@@ -528,6 +528,8 @@ the same layer, enclose them in an `all` expression so they will all be evaluate
* `-M` _bytes_ or `--maximum-tile-bytes=`_bytes_: Use the specified number of _bytes_ as the maximum compressed tile size instead of 500K.
* `-O` _features_ or `--maximum-tile-features=`_features_: Use the specified number of _features_ as the maximum in a tile instead of 200,000.
* `--limit-tile-feature-count=`_features_: Abruptly limit each tile to the specified number of _features_, after ordering them if specified.
* `--limit-tile-feature-count-at-maximum-zoom=`_features_: Abruptly limit each tile at the maximum zoom level to the specified number of _features_, after ordering them if specified.
* `-pf` or `--no-feature-limit`: Don't limit tiles to 200,000 features
* `-pk` or `--no-tile-size-limit`: Don't limit tiles to 500K bytes
* `-pC` or `--no-tile-compression`: Don't compress the PBF vector tile data. If you are getting "Unimplemented type 3" error messages from a renderer, it is probably because it expects uncompressed tiles using this option rather than the normal gzip-compressed tiles.