dmxm/node-red-contrib-jwht-map
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more formatting of readme

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Dave Conway-Jones 2018-05-18 09:31:35 +01:00
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README.md
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@ -165,13 +165,11 @@ Optional properties include
- **heatmap** - set heatmap options object see https://github.com/Leaflet/Leaflet.heat#reference - **heatmap** - set heatmap options object see https://github.com/Leaflet/Leaflet.heat#reference
- **clear** - layer name - to clear a complete layer and remove from layer menu - **clear** - layer name - to clear a complete layer and remove from layer menu
#### For example #### To switch layer, move map and zoom
To switch layer, move map and zoom
msg.payload.command = {layer:"Esri Relief", lat:51, lon:3, zoom:10 }; msg.payload.command = {layer:"Esri Relief", lat:51, lon:3, zoom:10 };
To draw a heavily customized Circle on a layer #### To draw a heavily customized Circle on a layer
msg.payload.command = { msg.payload.command = {
name:"circle", name:"circle",
@ -185,7 +183,7 @@ To draw a heavily customized Circle on a layer
clickable:true clickable:true
}; };
To add a new base layer #### To add a new base layer
msg.payload.command.map = { msg.payload.command.map = {
name:"OSMhot", name:"OSMhot",
@ -193,7 +191,7 @@ To add a new base layer
opt:{ maxZoom:19, attribution:"© OpenStreetMap" } opt:{ maxZoom:19, attribution:"© OpenStreetMap" }
}; };
To add a new geoJSON overlay #### To add a new geoJSON overlay
msg.payload.command.map = { msg.payload.command.map = {
overlay:"myGeoJSON", overlay:"myGeoJSON",
@ -203,7 +201,7 @@ To add a new geoJSON overlay
see http://leafletjs.com/examples/geojson/ for more details about options see http://leafletjs.com/examples/geojson/ for more details about options
To add an Image Overlay #### To add an Image Overlay
var imageBounds = [[40.712216, -74.22655], [40.773941, -74.12544]]; var imageBounds = [[40.712216, -74.22655], [40.773941, -74.12544]];
msg.payload = { command : {lat:40.74, lon:-74.175, zoom:13 } }; msg.payload = { command : {lat:40.74, lon:-74.175, zoom:13 } };
@ -214,11 +212,10 @@ To add an Image Overlay
opt:{ opacity:1.0, attribution:"© University of Texas" } opt:{ opacity:1.0, attribution:"© University of Texas" }
}; };
To clear a layer from the map #### To clear a layer from the map
msg.payload.command.clear = "name of your layer/overlay to remove"; msg.payload.command.clear = "name of your layer/overlay to remove";
### Using a local Map Server (WMS server) ### Using a local Map Server (WMS server)
IMHO the easiest map server to make work is the <a href="http://www.mapserver.org/" target="_new">mapserver</a> package in Ubuntu / Debian. Usually you will start with IMHO the easiest map server to make work is the <a href="http://www.mapserver.org/" target="_new">mapserver</a> package in Ubuntu / Debian. Usually you will start with
@ -227,7 +224,7 @@ IMHO the easiest map server to make work is the <a href="http://www.mapserver.or
Configuring that, setting up your tiles, and creating a .map file is way beyond the scope of this README so I will leave that as an exercise for the reader. Once set up you should have a cgi process you can run called `mapserv`, and a `.map` file that describes the layers available from the server. Configuring that, setting up your tiles, and creating a .map file is way beyond the scope of this README so I will leave that as an exercise for the reader. Once set up you should have a cgi process you can run called `mapserv`, and a `.map` file that describes the layers available from the server.
Create and edit these into a file called **mapserv**, located in this node's directory, typically Create and edit these into an executeable file called **mapserv**, located in this node's directory, typically
`~/.node-red/node_modules/node-red-contrib-web-worldmap/mapserv`, for example: `~/.node-red/node_modules/node-red-contrib-web-worldmap/mapserv`, for example:
#! /bin/sh #! /bin/sh