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Be careful not to generate empty layers in tile-join.

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Add a test of filtering during tile-join.
Bump version number.
This commit is contained in:
Eric Fischer
2017-09-05 13:33:10 -07:00
parent d349b7700d
commit bdd95af8b2
7 changed files with 551 additions and 18 deletions
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man/tippecanoe.1
+8 -8
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@@ -183,6 +183,14 @@ If the type is \fB\fCint\fR and the original attribute was floating\-point, it i
.IP \(bu 2
\fB\fC\-J\fR \fIfilter\-file\fP or \fB\fC\-\-feature\-filter\-file\fR=\fIfilter\-file\fP: Like \fB\fC\-j\fR, but read the filter from a file.
.RE
.PP
Example: to find the Natural Earth countries with low \fB\fCscalerank\fR but high \fB\fCLABELRANK\fR:
.PP
.RS
.nf
tile\-join \-o filtered.mbtiles \-j '{ "ne_10m_admin_0_countries": [ "all", [ "<", "scalerank", 3 ], [ ">", "LABELRANK", 5 ] ] }' ne_10m_admin_0_countries.mbtiles
.fi
.RE
.SS Dropping a fixed fraction of features by zoom level
.RS
.IP \(bu 2
@@ -577,14 +585,6 @@ The options are:
.IP \(bu 2
\fB\fC\-J\fR \fIfilter\-file\fP or \fB\fC\-\-feature\-filter\-file\fR=\fIfilter\-file\fP: Like \fB\fC\-j\fR, but read the filter from a file.
.RE
.PP
Example: to find the Natural Earth countries with low \fB\fCscalerank\fR but high \fB\fCLABELRANK\fR:
.PP
.RS
.nf
tile\-join \-o filtered.mbtiles \-j '{ "ne_10m_admin_0_countries": [ "all", [ "<", "scalerank", 3 ], [ ">", "LABELRANK", 5 ] ] }' ne_10m_admin_0_countries.mbtiles
.fi
.RE
.SS Setting or disabling tile size limits
.RS
.IP \(bu 2