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Make base zoom and drop rate guessing more testable, and test them

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Eric Fischer
2016-03-03 17:03:03 -08:00
parent e4ab47b3d6
commit d38b5a999e
7 changed files with 91751 additions and 7 deletions
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man/tippecanoe.1
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@@ -92,7 +92,7 @@ rather than a stream that can only be read sequentially.
\-B \fIzoom\fP: Base zoom, the level at and above which all points are included in the tiles (default maxzoom).
If you use \-Bg, it will guess a zoom level that will keep at most 50,000 features in the densest tile.
You can also specify a marker\-width with \-Bg\fIwidth\fP to allow fewer features in the densest tile to
compensate for the larger marker.
compensate for the larger marker, or \-Bf\fInumber\fP to allow at most \fInumber\fP features in the densest tile.
.IP \(bu 2
\-d \fIdetail\fP: Detail at max zoom level (default 12, for tile resolution of 4096)
.IP \(bu 2
@@ -116,6 +116,8 @@ compensate for the larger marker.
.IP \(bu 2
\-r \fIrate\fP: Rate at which dots are dropped at zoom levels below basezoom (default 2.5).
If you use \-rg, it will guess a drop rate that will keep at most 50,000 features in the densest tile.
You can also specify a marker\-width with \-rg\fIwidth\fP to allow fewer features in the densest tile to
compensate for the larger marker, or \-rf\fInumber\fP to allow at most \fInumber\fP features in the densest tile.
.IP \(bu 2
\-g \fIgamma\fP: Rate at which especially dense dots are dropped (default 0, for no effect). A gamma of 2 reduces the number of dots less than a pixel apart to the square root of their original number.
.RE