diegoripley/tippecanoe
1
0
Fork 0
mirror of https://github.com/felt/tippecanoe.git synced 2026-10-02 08:25:40 +02:00
Code Issues Packages Projects Releases Wiki Activity

Add an option to treat empty CSV columns as nulls, not empty strings

Browse Source
This commit is contained in:
Eric Fischer
2018-07-19 14:33:33 -07:00
parent 3cb09d0e2a
commit 87a1bb7851
13 changed files with 3320 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
man/tippecanoe.1
+6
View File
@@ -244,6 +244,8 @@ If the type is \fB\fCint\fR and the original attribute was floating\-point, it i
that are dropped, coalesced\-as\-needed, or clustered. The \fIoperation\fP may be
\fB\fCsum\fR, \fB\fCproduct\fR, \fB\fCmean\fR, \fB\fCmax\fR, \fB\fCmin\fR, \fB\fCconcat\fR, or \fB\fCcomma\fR
to specify how the named \fIattribute\fP is accumulated onto the attribute of the same name in a feature that does survive.
.IP \(bu 2
\fB\fC\-pe\fR or \fB\fC\-\-empty\-csv\-columns\-are\-null\fR: Treat empty CSV columns as nulls rather than as empty strings.
.RE
.SS Filtering features by attributes
.RS
@@ -675,6 +677,8 @@ The options are:
\fB\fC\-j\fR \fIfilter\fP or \fB\fC\-\-feature\-filter\fR=\fIfilter\fP: Check features against a per\-layer filter (as defined in the Mapbox GL Style Specification \[la]https://www.mapbox.com/mapbox-gl-js/style-spec/#types-filter\[ra]) and only include those that match. Any features in layers that have no filter specified will be passed through. Filters for the layer \fB\fC"*"\fR apply to all layers.
.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.
.IP \(bu 2
\fB\fC\-pe\fR or \fB\fC\-\-empty\-csv\-columns\-are\-null\fR: Treat empty CSV columns as nulls rather than as empty strings.
.RE
.SS Setting or disabling tile size limits
.RS
@@ -829,6 +833,8 @@ The formatting makes excessive use of \fB\fC\\u\fR quoting so that it follows JS
be sorted correctly by tools that just do ASCII comparisons.
.IP \(bu 2
\fB\fC\-c\fR \fIfile.csv\fP or \fB\fC\-\-csv=\fR\fIfile.csv\fP: Join attributes from the named sorted CSV file, using its first column as the join key. Geometries will be passed through even if they do not match the CSV; CSV lines that do not match a geometry will be discarded.
.IP \(bu 2
\fB\fC\-pe\fR or \fB\fC\-\-empty\-csv\-columns\-are\-null\fR: Treat empty CSV columns as nulls rather than as empty strings.
.RE
.SS Example
.PP