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20 lines
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20 lines
765 B
Plaintext
title: GeoLayers
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tags: $:/tags/GeospatialDemo
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This is a list of all the tiddlers containing ~GeoJSON layers in this wiki (identified by the tag <<tag "$:/tags/GeoLayer">>). A ~GeoJSON layer identifies a region of the surface of the earth via a series of polygons defined as lines between consecutive points specified via latitude and longitude (and optional elevation). ~GeoJSON layers may also contain associated metadata in JSON format.
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You can create new layers by:
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* Visit the tiddler for a ~GeoJSON marker and use the button to calculate travel time
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* Importing a ~GeoJSON layer
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<ul>
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<$list filter="[all[shadows+tiddlers]tag[$:/tags/GeoLayer]sort[caption]]">
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<li>
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<$link>
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<$view field="caption"><$view field="title"/></$view>
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</$link>
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</li>
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</$list>
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</ul>
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