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Improve the appearance of coalesce-densest-as-needed tiles (#247)

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* Start to distinguish fixed cluster density setting from as-needed density

* Make consistent {drop,coalesce}-densest decisions between zooms

* Actually track the previous index instead of just intending to

* Clean up collinearities in coalesced features

* To determine densest, look at actual physical distance, not just index

* Don't actually need the previous index in serial_feature now

* Center of mass of one feature to most distant point of the next

* Add apologetic comment

* Wait, how did the tests pass before?

* Revert "Wait, how did the tests pass before?"

This reverts commit f73c8ee543.

* Add --maximum-string-attribute-length option

* Update version and changelog

* A little more testing to make sure
This commit is contained in:
Erica Fischer
2024-07-16 13:23:23 -07:00
committed by GitHub
parent 939579e5a2
commit 47e774adc4
21 changed files with 3801 additions and 4006 deletions
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man/tippecanoe.1
+6 -2
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@@ -5,6 +5,8 @@ like these \[la]MADE_WITH.md\[ra]\&.
.PP
This is the official home of Tippecanoe, developed and actively maintained by Erica Fischer \[la]https://github.com/e-n-f\[ra] at Felt \[la]https://felt.com\[ra]\&.
.PP
For a self\-hosted, API driven version of Tippecanoe, contact a technical sales engineer at \[la]sales@felt.com\[ra]\&. Felt produces highly performant, automatically projected versions of your data, and utilizes a rendering engine, built on top of MapLibre GL JS \[la]https://github.com/maplibre/maplibre-gl-js\[ra], to style vector and raster data.
.PP
Version 2.0.0 is equivalent to 1.36.0 \[la]https://github.com/mapbox/tippecanoe/tree/1.36.0\[ra] in the original repository. Thank you Mapbox for the many years of early support.
.SH Intent
.PP
@@ -471,8 +473,8 @@ zoom level precision (ft) precision (m) map scale
\fB\fC\-z18\fR 1.5 in 4 cm 1:1250
\fB\fC\-z19\fR 0.8 in 2 cm 1:600
\fB\fC\-z20\fR 0.4 in 1 cm 1:300
\fB\fC\-z21\fR 0.2 in 0.5 cm 1:150
\fB\fC\-z22\fR 0.1 in 0.25 cm 1:75
\fB\fC\-z21\fR 0.4 in 1 cm 1:300
\fB\fC\-z22\fR 0.4 in 1 cm 1:300
.TE
.SS Tile resolution
.RS
@@ -526,6 +528,8 @@ The attributes and values may also be specified as JSON keys and values: \fB\fC\
\fB\fC\-\-use\-attribute\-for\-id=\fR\fIname\fP: Use the attribute with the specified \fIname\fP as if it were specified as the feature ID. (If this attribute is a stringified number, you must also use \fB\fC\-aI\fR to convert it to a number.)
.IP \(bu 2
\fB\fC\-pN\fR or \fB\fC\-\-single\-precision\fR: Write double\-precision numeric attribute values to tiles as single\-precision to reduce tile size.
.IP \(bu 2
\fB\fC\-\-maximum\-string\-attribute\-length\fR=\fIlength\fP: Truncate string attributes that exceed the specified length in bytes.
.RE
.SS Filtering features by attributes
.RS