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Add the option to specify layer file, name, and description as JSON

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Eric Fischer
2018-05-24 11:30:42 -07:00
parent 7128ac44d5
commit 53731709b2
3 changed files with 60 additions and 7 deletions
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man/tippecanoe.1
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@@ -159,6 +159,14 @@ or if metadata fields can't be set. You probably don't want to use this.
specified, the files are all merged into the single named layer, even if they try to specify individual names with \fB\fC\-L\fR\&.
.IP \(bu 2
\fB\fC\-L\fR \fIname\fP\fB\fC:\fR\fIfile.json\fP or \fB\fC\-\-named\-layer=\fR\fIname\fP\fB\fC:\fR\fIfile.json\fP: Specify layer names for individual files. If your shell supports it, you can use a subshell redirect like \fB\fC\-L\fR \fIname\fP\fB\fC:<(cat dir/*.json)\fR to specify a layer name for the output of streamed input.
.IP \(bu 2
\fB\fC\-L{\fR\fIlayer\-json\fP\fB\fC}\fR or \fB\fC\-\-named\-layer={\fR\fIlayer\-json\fP\fB\fC}\fR: Specify an input file and layer options by a JSON object. The JSON object must contain a \fB\fC"file"\fR key to specify the filename to read from. It may also contain a \fB\fC"layer"\fR field to specify the name of the layer, and/or a \fB\fC"description"\fR field to specify the layer's description in the tileset metadata. Example:
.RE
.PP
.RS
.nf
tippecanoe \-z5 \-o world.mbtiles \-L'{"file":"ne_10m_admin_0_countries.json", "layer":"countries", "description":"Natural Earth countries"}'
.fi
.RE
.PP
CSV input files currently support only Point geometries, from columns named \fB\fClatitude\fR, \fB\fClongitude\fR, \fB\fClat\fR, \fB\fClon\fR, \fB\fClong\fR, \fB\fClng\fR, \fB\fCx\fR, or \fB\fCy\fR\&.