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updates to README

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Dave Conway-Jones 2018-05-18 09:19:47 +01:00
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README.md
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@ -7,6 +7,7 @@ map web page for plotting "things" on.
![Map Image](https://dceejay.github.io/pages/images/redmap.png)
### Changes
- v1.1.11 - fix websocket multiple connections
- v1.1.9 - add ability to add geoJSON layers
- v1.1.8 - add videoUrl property to allow mp4 insert in popup
@ -86,17 +87,17 @@ There are also several special icons...
- **arrow** : a map GPS arrow type pointer that aligns with the bearing of travel.
- **wind** : a wind arrow that points in the direction the wind is coming FROM.
- **locate** : a 4 corner outline to locate a point without obscuring it.
- **friend** : pseudo Nato style blue rectangle.
- **hostile** : pseudo Nato style red circle.
- **neutral** : pseudo Nato style green square.
- **unknown** : pseudo Nato style yellow square.
- **friend** : pseudo NATO style blue rectangle.
- **hostile** : pseudo NATO style red circle.
- **neutral** : pseudo NATO style green square.
- **unknown** : pseudo NATO style yellow square.
- **earthquake** : black circle - diameter proportional to `magnitude`.
#### Areas and Lines
If the payload contains an **area** property - that is an array of co-ordinates, e.g.
[ [51.05, -0.08], [51.5, -1], [51.2, -0.047] ]
... , area: [ [51.05, -0.08], [51.5, -1], [51.2, -0.047] ], ...
then rather than draw a point and icon it draws the polygon. Likewise if it contains a
**line** property it will draw the polyline.
@ -110,6 +111,8 @@ then rather than draw a point and icon it draws the polygon. Likewise if it cont
If the payload contains a **radius** property, as well as name, lat and lon, then rather
than draw a point it will draw a circle. The *radius* property is specified in meters.
{ lat:51.05, lon:-1.35, name:"A3090", radius:3000 }
As per Areas and Lines you may also specify *iconColor*, and *layer*.
If the payload contains a **sdlat** and **sdlon** property instead of *radius* an ellipse will be drawn. The sdlat and sdlon propertys specify the semi-axes of the ellipse.
@ -194,8 +197,8 @@ 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 })
geojson:{ your 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
@ -211,6 +214,10 @@ To add an Image Overlay
opt:{ opacity:1.0, attribution:"© University of Texas" }
};
To clear a layer from the map
msg.payload.command.clear = "name of your layer/overlay to remove";
### Using a local Map Server (WMS server)