Rename $:/tags/GeoLayer to $:/tags/GeoFeature

And make sure that it works with all GeoJSON features, not just polygons

editions/geospatialdemo/tiddlers/Features.tid

@@ -0,0 +1,14 @@
+title: GeoFeatures
+tags: $:/tags/GeospatialDemo
+
+This is a list of all the tiddlers containing ~GeoJSON feature collections in this wiki (identified by the tag <<tag "$:/tags/GeoFeature">>). A ~GeoJSON feature collection is a list of features, each of which consists of a geometry and associated metadata.
+
+<ul>
+<$list filter="[all[shadows+tiddlers]tag[$:/tags/GeoFeature]sort[caption]]">
+<li>
+<$link>
+<$view field="caption"><$view field="title"/></$view>
+</$link>
+</li>
+</$list>
+</ul>

editions/geospatialdemo/tiddlers/HelloThere.tid

@@ -12,16 +12,16 @@ This demo requires that the API keys needed to access external services be obtai
 
 !! Demos
 
-* Visit the ~GeoLayers and ~GeoMarkers tabs to see the data loaded into this wiki
+* Visit the ~GeoFeatures and ~GeoMarkers tabs to see the data loaded into this wiki
 * Click on a link to a layer or marker to open the corresponding tiddler that includes a map
 * Use the Flickr tab to retrieve geotagged photographs from Flickr
 * Visit a ~GeoMarker tiddler and use the "Call ~TravelTime" button to calculate an isochrone from that location using the ~TravelTime API
 
-! Map Showing All Layers and Markers
+! Map Showing All Features and Markers
 
 <$geomap
 	markers="[all[tiddlers+shadows]tag[$:/tags/GeoMarker]]"
-	layers="[all[tiddlers+shadows]tag[$:/tags/GeoLayer]]"
+	features="[all[tiddlers+shadows]tag[$:/tags/GeoFeature]]"
 	state=<<qualify "$:/state/demo-map">>
 />
 

editions/geospatialdemo/tiddlers/Layers.tid

@@ -1,14 +0,0 @@
-title: GeoLayers
-tags: $:/tags/GeospatialDemo
-
-This is a list of all the tiddlers containing ~GeoJSON layers in this wiki (identified by the tag <<tag "$:/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 altitude). ~GeoJSON layers may also contain associated metadata in JSON format.
-
-<ul>
-<$list filter="[all[shadows+tiddlers]tag[$:/tags/GeoLayer]sort[caption]]">
-<li>
-<$link>
-<$view field="caption"><$view field="title"/></$view>
-</$link>
-</li>
-</$list>
-</ul>

editions/geospatialdemo/tiddlers/cascades/ViewTemplateBodyFilters.tid

@@ -2,5 +2,5 @@ title: $:/plugins/geospatial/demo/ViewTemplateBodyFilters
 tags: $:/tags/ViewTemplateBodyFilter
 list-before: $:/config/ViewTemplateBodyFilters/stylesheet
 
-[tag[$:/tags/GeoLayer]then[ui/geolayer]]
+[tag[$:/tags/GeoFeature]then[ui/geofeature]]
 [tag[$:/tags/GeoMarker]then[ui/geomarker]]

editions/geospatialdemo/tiddlers/features/canada-census-subdivision-millesime.geojson.meta

@@ -1,5 +1,5 @@
 title: $:/geospatialdemo/features/canada-census-subdivision-millesime
 caption: Canada Census Subdivisions Millesime
 type: application/json
-tags: $:/tags/GeoLayer
+tags: $:/tags/GeoFeature
 color: #f8f

editions/geospatialdemo/tiddlers/features/us-states.geojson.meta

@@ -1,5 +1,5 @@
 title: $:/geospatialdemo/features/us-states
 caption: US State Boundaries
 type: application/json
-tags: $:/tags/GeoLayer
+tags: $:/tags/GeoFeature
 color: #88f

editions/geospatialdemo/tiddlers/ui/geofeature.tid

@@ -0,0 +1,38 @@
+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
+
+
+<$geomap
+	features="[<currentTiddler>]"
+	state=<<qualify "$:/state/demo-map">>
+/>
+
+!! 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>

editions/geospatialdemo/tiddlers/ui/geolayer.tid

@@ -1,38 +0,0 @@
-title: 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
-
-
-<$geomap
-	layers="[<currentTiddler>]"
-	state=<<qualify "$:/state/demo-map">>
-/>
-
-!! Intersect with other layers
-
-<$let 
-	captionThisLayer={{{ [<currentTiddler>get[caption]else<currentTiddler>] }}}
->
-<ul>
-<$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>

editions/geospatialdemo/tiddlers/ui/geomarker.tid

@@ -10,7 +10,7 @@ title: ui/geomarker
 <$action-setfield $tiddler="$:/temp/_Result" text=<<data>>/>
 <$action-setfield $tiddler="$:/temp/_Headers" text=<<headers>>/>
 <$list filter="[<status>compare:number:gteq[200]compare:number:lteq[299]]" variable="ignore">
-<$action-createtiddler $basetitle="$:/temp/_IsochroneLayer" text={{{ [<data>] }}} tags="$:/tags/GeoLayer" caption={{{ [<currentTiddler>get[caption]else<currentTiddler>addprefix[Travel time from ]] }}}/>
+<$action-createtiddler $basetitle="$:/temp/_IsochroneLayer" text={{{ [<data>] }}} tags="$:/tags/GeoFeature" caption={{{ [<currentTiddler>get[caption]else<currentTiddler>addprefix[Travel time from ]] }}}/>
 </$list>
 \end
 
@@ -88,13 +88,13 @@ title: ui/geomarker
 </ul>
 </$let>
 
-!! GeoLayer Lookups
+!! GeoFeature Lookups
 
 <$let
 	thisLocation={{{ [geopoint{!!long},{!!lat}] }}}
 >
 <ul>
-<$list filter="[all[shadows+tiddlers]tag[$:/tags/GeoLayer]sort[caption]]">
+<$list filter="[all[shadows+tiddlers]tag[$:/tags/GeoFeature]sort[caption]]">
 <li>
 <$text text={{{ [<currentTiddler>get[caption]] :else[<currentTiddler>] }}}/> --
 <$text text={{{ [<thisLocation>geolookup{!!text}] }}}/>

plugins/tiddlywiki/geospatial/docs/geomap.tid

@@ -54,11 +54,11 @@ The following attributes are supported:
 <$testcase>
 <$data
 	title="Description"
-	text="Map with geolayer"
+	text="Map with geofeature"
 />
 <$data
 	title="Layer"
-	tags="$:/tags/GeoLayer"
+	tags="$:/tags/GeoFeature"
 	type="application/json"
 	color="red"
 	text="""{
@@ -66,7 +66,7 @@ The following attributes are supported:
 	"features": [
 		{
 			"type": "Feature",
-			"id": "An example geolayer feature",
+			"id": "An example geofeature feature",
 			"properties": {
 				"custom": "A custom property of this feature"
 			},
@@ -87,7 +87,7 @@ The following attributes are supported:
 }"""/>
 <$data title="Output" text="""<$geomap
 	state=<<qualify "$:/state/demo-map">>
-	layers="[all[tiddlers+shadows]tag[$:/tags/GeoLayer]]"
+	features="[all[tiddlers+shadows]tag[$:/tags/GeoFeature]]"
 />
 """/>
 <$data $tiddler="$:/plugins/tiddlywiki/geospatial"/>

plugins/tiddlywiki/geospatial/widgets/geomap.js

@@ -71,7 +71,7 @@ GeomapWidget.prototype.renderMap = function(domNode) {
 	});
 	// Add scale
 	$tw.Leaflet.control.scale().addTo(this.map);
-	// Listen for pan and zoom events
+	// Listen for pan and zoom events and update the state tiddler
 	this.map.on("moveend zoomend",function(event) {
 		if(self.geomapStateTitle) {
 			var c = self.map.getCenter(),
@@ -79,6 +79,7 @@ GeomapWidget.prototype.renderMap = function(domNode) {
 				long = "" + c.lng,
 				zoom = "" + self.map.getZoom(),
 				tiddler = self.wiki.getTiddler(self.geomapStateTitle);
+			// Only write the tiddler if the values have changed
 			if(!tiddler || tiddler.fields.lat !== lat || tiddler.fields.long !== long || tiddler.fields.zoom !== zoom) {
 				self.wiki.addTiddler(new $tw.Tiddler({
 					title: self.geomapStateTitle,
@@ -89,19 +90,25 @@ GeomapWidget.prototype.renderMap = function(domNode) {
 			}
 		}
 	});
-	// Track the geolayers filter
-	this.trackerGeoLayersFilter = new FilterTracker({
+	// Track the geofeatures filter
+	this.trackerGeoFeaturesFilter = new FilterTracker({
 		wiki: this.wiki,
 		widget: this,
-		filter: this.geomapLayerFilter,
+		filter: this.geomapFeaturesFilter,
 		enter: function(title,tiddler) {
 			var text = (tiddler && tiddler.fields.text) || "[]",
-				layer = $tw.Leaflet.geoJSON($tw.utils.parseJSONSafe(text,[]),{
+				geoJson = $tw.utils.parseJSONSafe(text,[]),
+				layer = $tw.Leaflet.geoJSON(geoJson,{
 					style: function(geoJsonFeature) {
 						return {
 							color: (tiddler && tiddler.getFieldString("color")) || "yellow"
 						}
 					},
+					pointToLayer: function(geoJsonPoint,latlng) {
+						return L.circleMarker(latlng,{
+							radius: 8
+						});
+					},
 					onEachFeature: function(feature,layer) {
 						if(feature.properties) {
 							layer.bindPopup(JSON.stringify(feature.properties,null,4));
@@ -162,8 +169,8 @@ Compute the internal state of the widget
 */
 GeomapWidget.prototype.execute = function() {
 	this.geomapStateTitle = this.getAttribute("state");
-	this.geomapLayerFilter = this.getAttribute("layers");
 	this.geomapMarkerFilter = this.getAttribute("markers");
+	this.geomapFeaturesFilter = this.getAttribute("features");
 };
 
 /*
@@ -172,7 +179,7 @@ Selectively refreshes the widget if needed. Returns true if the widget or any of
 GeomapWidget.prototype.refresh = function(changedTiddlers) {
 	var changedAttributes = this.computeAttributes();
 	// Refresh entire widget if layers or marker filter changes
-	if(changedAttributes.layers || changedAttributes.markers || changedAttributes.state) {
+	if(changedAttributes.features || changedAttributes.markers || changedAttributes.state) {
 		this.refreshSelf();
 		return true;
 	}
@@ -184,7 +191,7 @@ GeomapWidget.prototype.refresh = function(changedTiddlers) {
 		this.setMapView();
 	}
 	// Check whether the layers or markers need updating
-	this.trackerGeoLayersFilter.refresh(changedTiddlers);
+	this.trackerGeoFeaturesFilter.refresh(changedTiddlers);
 	this.trackerGeoMarkersFilter.refresh(changedTiddlers);
 	// No children to refresh
 	return false;