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19 lines
660 B
Plaintext
19 lines
660 B
Plaintext
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title: $:/plugins/tiddlywiki/geospatial/docs/geodistance
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caption: geodistance operator
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tags: $:/tags/GeospatialDocs
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!! `geodistance` operator
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The `geodistance` operator calculates the distance between two points in [[GeoJSON Point Feature]] format. The points are specified as two operands. An optional third operand specifies the units as `miles`, `kilometers`, `degrees` or `radians` (defaults to `miles`).
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```
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<$let
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oxford={{{ [geopoint[51.751944],[-1.257778]] }}}
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new-york={{{ [geopoint[40.730610],[-73.935242]] }}}
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>
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<$text text={{{ [geodistance<oxford>,<new-york>] }}}/>,
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<$text text={{{ [geodistance<oxford>,<new-york>,[miles]] }}}/>,
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</$let>
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```
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