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Add an option to convert double-precision attributes to single

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Erica Fischer
2022-08-19 15:02:00 -07:00
parent 64b23e6b8e
commit b7a00da8bc
7 changed files with 16 additions and 2 deletions
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man/tippecanoe.1
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@@ -513,6 +513,8 @@ to specify how the named \fIattribute\fP is accumulated onto the attribute of th
\fB\fC\-aI\fR or \fB\fC\-\-convert\-stringified\-ids\-to\-numbers\fR: If a feature ID is the string representation of a number, convert it to a plain number to use as the feature ID.
.IP \(bu 2
\fB\fC\-\-use\-attribute\-for\-id=\fR\fIname\fP: Use the attribute with the specified \fIname\fP as if it were specified as the feature ID. (If this attribute is a stringified number, you must also use \fB\fC\-aI\fR to convert it to a number.)
.IP \(bu 2
\fB\fC\-pN\fR or \fB\fC\-\-single\-precision\fR: Write double\-precision numeric attribute values to tiles as single\-precision to reduce tile size.
.RE
.SS Filtering features by attributes
.RS