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Add maximum pseudocluster size option for low-zoom points (#119)

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* Trying to improve cluster positions

* Fix centroid calculation

* Just move points to cluster centroids; add point gap threshold

* Add maximum-point-gap option

* Fix formatting

* Rename options for clarity; add tests; update changelog

* Add missing break to switch

* Revert unneeded constructor cleanup that broke a test somehow

* Clean up comments

* Remove unused --move-points-to-cluster-centroids

* Mention tile-join change in changelog
This commit is contained in:
Erica Fischer
2023-07-17 15:33:07 -07:00
committed by GitHub
parent 1c3bd5352c
commit 4318e964e3
8 changed files with 2640 additions and 9 deletions
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man/tippecanoe.1
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@@ -581,6 +581,8 @@ preference to retaining points in sparse areas and dropping points in dense area
\fB\fC\-k\fR \fIzoom\fP or \fB\fC\-\-cluster\-maxzoom=\fR\fIzoom\fP: Max zoom on which to cluster points if clustering is enabled.
.IP \(bu 2
\fB\fC\-kg\fR or \fB\fC\-\-cluster\-maxzoom=g\fR: Set \fB\fC\-\-cluster\-maxzoom=\fR to \fB\fCmaxzoom \- 1\fR so that all features are visible at the maximum zoom level.
.IP \(bu 2
\fB\fC\-\-preserve\-point\-density\-threshold=\fR\fIlevel\fP: At the low zoom levels, do not reduce point density below the specified \fIlevel\fP, even if the specfied drop rate would normally call for it, so that low\-density areas of the map do not appear blank. The unit is the distance between preserved points, as a fraction of the size of a tile. Values of 32 or 64 are probably appropriate for typical marker sizes.
.RE
.SS Dropping a fraction of features to keep under tile size limits
.RS