title: $:/plugins/tiddlywiki/geospatial/demo/ui/geolayer

\define create-intersection()
<$let
	intersectLayer={{{ =[<currentTiddler>get[text]] =[<otherLayer>get[text]] +[geointersect[]] }}}
>
	<$action-createtiddler $basetitle="$:/temp/_IsochroneLayer" text={{{ [<intersectLayer>] }}} tags="$:/tags/GeoLayer" caption={{{ [<captionThisLayer>addsuffix[ intersected with ]addsuffix<captionOtherLayer>] }}}/>
</$let>
\end

!! Mapped


<$geomap
	layers="[<currentTiddler>]"
/>

!! Intersect with other layers

<$let 
	captionThisLayer={{!!caption}}
>
<ul>
<$list filter="[all[shadows+tiddlers]tag[$:/tags/GeoLayer]sort[caption]] -[<currentTiddler>]" variable="otherLayer">
<$let
	captionOtherLayer={{{ [<otherLayer>get[caption]else<otherLayer>] }}}
>
<li>
<$link to=<<otherLayer>>><$transclude tiddler=<<otherLayer>> field="caption"><$view tiddler=<<otherLayer>> field="title"/></$transclude></$link>
<$button actions=<<create-intersection>>>
Create intersection
</$button>
</li>
</$let>
</$list>
</ul>
</$let>