Add geojson layer capability

README.md

@@ -7,6 +7,7 @@ map web page for plotting "things" on.
 ![Map Image](https://dceejay.github.io/pages/images/redmap.png)
 
 ### Changes
+ - v1.1.9 - add ability to add geoJSON layers
  - v1.1.8 - add videoUrl property to allow mp4 insert in popup
  - v1.1.7 - extend path correctly - Issue #28
  - v1.1.6 - cleanup/remove excess logging
@@ -56,21 +57,20 @@ The minimum **msg.payload** must contain `name`, `lat` and `lon` properties, e.g
 
 Optional properties include
 
+ - **deleted** : set to <i>true</i> to remove the named marker. (default false)
  - **layer** : specify a layer on the map to add marker to.
  - **speed** : combined with bearing, draws a vector.
  - **bearing** : combined with speed, draws a vector.
  - **accuracy** : combined with bearing, draws a polygon of possible direction.
  - **icon** : <a href="http://fortawesome.github.io/Font-Awesome/icons/" target="_new">font awesome</a> icon name.
- - **iconColor** : Standard CSS color name or #rrggbb hex value.
+ - **iconColor** : Standard CSS colour name or #rrggbb hex value.
  - **ttl** : time to live, how long an individual marker stays on map in seconds (overrides general maxage setting)
  - **photoUrl** : adds an image pointed at by the url to the popup box.
  - **videoUrl** : adds an mp4 video pointed at by the url to the popup box. Ideally 320x240 in size.
  - **weblink** : adds a link to an external page for more information. Either set a url as a *string*, or an *object* like `{name:"BBC News", url:"news.bbc.co.uk"}`
- - **deleted** : set to <i>true</i> to remove the named marker. (default false)
+ - **addtoheatmap** : set to <i>false</i> to exclude point from contributing to heatmap layer. (default true)
- - **addtoheatmap** : set to <i>false</i> to exlcude point from contributing to heatmap layer. (default true)
  - **intensity** : set to a value of 0.1 - 1.0 to set the intensity of the point on heatmap layer. (default 1.0)
 
-
 Any other `msg.payload` properties will be added to the icon popup text box.
 
 You may select any of the Font Awesome set of [icons](http://fortawesome.github.io/Font-Awesome/icons/).
@@ -189,6 +189,16 @@ To add a new base layer
             opt:{ maxZoom:19, attribution:"&copy; OpenStreetMap" }
         };
 
+To add a new geoJSON overlay
+
+        msg.payload.command.map = {
+            overlay:"myGeoJSON",
+            geojson:{ geojson feature as an object },
+            (opt:{ optional geojson options, style, filter, onEach,Feature, etc })
+        };
+
+see http://leafletjs.com/examples/geojson/ for more details about options
+
 To add an Image Overlay
 
         var imageBounds = [[40.712216, -74.22655], [40.773941, -74.12544]];

package-lock.json

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+            }
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+            "requires": {
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+                "websocket-extensions": "0.1.3"
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+            "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
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+}

package.json

@@ -1,20 +1,24 @@
 {
-    "name"          : "node-red-contrib-web-worldmap",
+    "name": "node-red-contrib-web-worldmap",
-    "version"       : "1.1.8",
+    "version": "1.1.9",
-    "description"   : "A Node-RED node to provide a web page of a world map for plotting things on.",
+    "description": "A Node-RED node to provide a web page of a world map for plotting things on.",
-    "dependencies"  : {
+    "dependencies": {
-        "express": "^4.15.0",
+        "express": "^4.16.2",
-        "sockjs": "^0.3.18",
+        "sockjs": "^0.3.19",
         "cgi": "0.3.1"
     },
-    "repository" : {
+    "repository": {
-        "type":"git",
+        "type": "git",
-        "url":"https://github.com/dceejay/RedMap"
+        "url": "https://github.com/dceejay/RedMap"
     },
     "license": "Apache-2.0",
-    "keywords": [ "node-red", "map", "world" ],
+    "keywords": [
-    "node-red"      : {
+        "node-red",
-        "nodes"     : {
+        "map",
+        "world"
+    ],
+    "node-red": {
+        "nodes": {
             "worldmap": "worldmap.js"
         }
     },

worldmap/index.html

@@ -1149,6 +1149,14 @@ function doCommand(cmd) {
         }
     }
     // Add a new overlay layer
+    if (cmd.map && cmd.map.hasOwnProperty("overlay") && cmd.map.hasOwnProperty("geojson") ) {
+        if (overlays.hasOwnProperty(cmd.map.overlay)) { existsalready = true; }
+        overlays[cmd.map.overlay] = L.geoJson(cmd.map.geojson,cmd.map.opt);
+        if (!existsalready) {
+            layercontrol.addOverlay(overlays[cmd.map.overlay],cmd.map.overlay);
+        }
+        overlays[cmd.map.overlay].addTo(map);
+    }
     if (cmd.map && cmd.map.hasOwnProperty("overlay") && cmd.map.hasOwnProperty("url") && cmd.map.hasOwnProperty("opt")) {
         console.log("New overlay:",cmd.map.overlay);
         if (overlays.hasOwnProperty(cmd.map.overlay)) { existsalready = true; }

worldmap/worldmap.appcache

@@ -1,5 +1,5 @@
 CACHE MANIFEST
-# date: Oct 10th 2017 - v1.1.8
+# date: Oct 10th 2017 - v1.1.9
 
 CACHE:
 index.html