Clarify maximum resolution in README and warning

This commit is contained in:
Eric Fischer
2016-03-17 11:23:54 -07:00
parent c66fd315e1
commit 16ca5cfeec
5 changed files with 14 additions and 1 deletions
+4
View File
@@ -102,6 +102,10 @@ compensate for the larger marker, or \-Bf\fInumber\fP to allow at most \fInumber
.IP \(bu 2
\-b \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)
.RE
.PP
All internal math is done in terms of a 32\-bit tile coordinate system, so 1/(2 of the size of Earth,
or about 1cm, is the smallest distinguishable distance. If \fImaxzoom\fP + \fIdetail\fP > 32, no additional
resolution is obtained than by using a smaller \fImaxzoom\fP or \fIdetail\fP\&.
.SS Properties
.RS
.IP \(bu 2