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Split complex polygons into multiple features
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@@ -8,6 +8,8 @@ features. This is a tool for making maps from huge datasets
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.PP
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[Build Status](https://travis\-ci.org/mapbox/tippecanoe.svg)
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\[la]https://travis-ci.org/mapbox/tippecanoe\[ra]
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[Coverage Status](https://coveralls.io/repos/mapbox/tippecanoe/badge.svg?branch=master&service=github)
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\[la]https://coveralls.io/github/mapbox/tippecanoe?branch=master\[ra]
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.SH Intent
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.PP
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The goal of Tippecanoe is to enable making a scale\-independent view of your data,
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@@ -143,6 +145,8 @@ If you use \-rg, it will guess a drop rate that will keep at most 50,000 feature
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.IP \(bu 2
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\-pi: Preserve the original input order of features as the drawing order instead of ordering geographically. (This is implemented as a restoration of the original order at the end, so that dot\-dropping is still geographic, which means it also undoes \-ao).
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.IP \(bu 2
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\-pp: Don't split complex polygons (over 700 vertices after simplification) into multiple features.
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.IP \(bu 2
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\-q: Work quietly instead of reporting progress
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.RE
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.SH Example
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@@ -232,6 +236,9 @@ have their probability diffused, so that some of them will be drawn as a square
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this minimum size and others will not be drawn at all, preserving the total area that
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all of them should have had together.
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.PP
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Any polygons that have over 700 vertices after line simplification will be split into
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multiple features so they can be rendered efficiently, unless you use \-pp to prevent this.
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.PP
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Features in the same tile that share the same type and attributes are coalesced
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together into a single geometry. You are strongly encouraged to use \-x to exclude
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any unnecessary properties to reduce wasted file size.
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