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Add minimal support for alternate input projections

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Eric Fischer
2016-06-01 15:49:41 -07:00
parent 5da636ba23
commit af412e2038
11 changed files with 1838 additions and 12 deletions
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man/tippecanoe.1
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@@ -107,6 +107,8 @@ compensate for the larger marker, or \-Bf\fInumber\fP to allow at most \fInumber
\-m \fIdetail\fP or \-\-minimum\-detail=\fIdetail\fP: Minimum detail that it will try if tiles are too big at regular detail (default 7)
.IP \(bu 2
\-b \fIpixels\fP or \-\-buffer=\fIpixels\fP: Buffer size where features are duplicated from adjacent tiles. Units are "screen pixels"\-\-1/256th of the tile width or height. (default 5)
.IP \(bu 2
\-s \fIprojection\fP or \-\-projection=\fIprojection\fP: Specify the projection of the input data. Currently supported are EPSG:4326 (WGS84, the default) and EPSG:3857 (Web Mercator).
.RE
.PP
All internal math is done in terms of a 32\-bit tile coordinate system, so 1/(2 of the size of Earth,