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Add --cluster-maxzoom option (#75)

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* Add `--cluster-maxzoom` option

* Add tests, update changelog

* Update manpage

* Update tests

---------

Co-authored-by: Aurele Nitoref <aurele.nitoref@icloud.com>
This commit is contained in:
Erica Fischer
2023-02-24 16:05:45 -08:00
committed by GitHub
co-authored by Aurele Nitoref
parent 3d714e32b0
commit 329dd86bfd
9 changed files with 2552 additions and 7 deletions
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man/tippecanoe.1
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@@ -395,7 +395,7 @@ Parallel processing will also be automatic if the input file is in FlatGeobuf fo
.IP \(bu 2
\fB\fC\-zg\fR or \fB\fC\-\-maximum\-zoom=g\fR: Guess what is probably a reasonable maxzoom based on the spacing of features.
.IP \(bu 2
\fB\fC\-\-smallest\-maximum\-zoom\-guess=\fR\fIzoom\fP: Guess what is probably a reasonable maxzoom based on the spacing of features, but using the specified \fIzoom\fP if a lower maxzoom is guessed.
\fB\fC\-\-smallest\-maximum\-zoom\-guess=\fR\fIzoom\fP: Guess what is probably a reasonable maxzoom based on the spacing of features, but using the specified \fIzoom\fP if a lower maxzoom is guessed. If \fB\fC\-Bg\fR is also set, the base zoom will be set to the guessed maxzoom, with all the points carried forward into additional zooms through the one specified.
.IP \(bu 2
\fB\fC\-Z\fR \fIzoom\fP or \fB\fC\-\-minimum\-zoom=\fR\fIzoom\fP: Minzoom: the lowest zoom level for which tiles are generated (default 0)
.IP \(bu 2
@@ -573,6 +573,10 @@ preference to retaining points in sparse areas and dropping points in dense area
\fB\fC\-ap\fR or \fB\fC\-\-drop\-polygons\fR: Let "dot" dropping at lower zooms apply to polygons too
.IP \(bu 2
\fB\fC\-K\fR \fIdistance\fP or \fB\fC\-\-cluster\-distance=\fR\fIdistance\fP: Cluster points (as with \fB\fC\-\-cluster\-densest\-as\-needed\fR, but without the experimental discovery process) that are approximately within \fIdistance\fP of each other. The units are tile coordinates within a nominally 256\-pixel tile, so the maximum value of 255 allows only one feature per tile. Values around 10 are probably appropriate for typical marker sizes. See \fB\fC\-\-cluster\-densest\-as\-needed\fR below for behavior.
.IP \(bu 2
\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.
.RE
.SS Dropping a fraction of features to keep under tile size limits
.RS
@@ -952,6 +956,8 @@ The options are:
\fB\fC\-e\fR \fIdirectory\fP or \fB\fC\-\-output\-to\-directory=\fR\fIdirectory\fP: Write the new tiles to the specified directory instead of to an mbtiles file.
.IP \(bu 2
\fB\fC\-f\fR or \fB\fC\-\-force\fR: Remove \fIout.mbtiles\fP if it already exists.
.IP \(bu 2
\fB\fC\-r\fR or \fB\fC\-\-read\-from\fR: list of input mbtiles to read from.
.RE
.SS Tileset description and attribution
.RS