TiddlyWiki5/editions/geospatialdemo/tiddlers/ui/geofeature.tid

title: ui/geofeature

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

!! Mapped

<$geomap
	state=<<qualify "$:/state/demo-map">>
	startPosition="bounds"
>
	<$geolayer json={{!!text}} color={{!!color}}/>
</$geomap>

!! Intersect with other features

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