color scale done

jobs/paintSuffolk.js

@@ -77,6 +77,11 @@ openHealth.getScript(["//cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js","ht
 
         		)
 
+        		// Average Key Values
+
+        		res.avgKeyVals=openHealth.avgKeyValues(res.tab,res.parms.parmKey,res.U_keys,res.parms.parmValue);
+
+
 
 
 
@@ -87,11 +92,17 @@ openHealth.getScript(["//cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js","ht
                     .dimension(res.D_Zip)
                     .projection(d3.geo.albersUsa().scale(28000).translate([-8350,2400]))
                     .group(res.G_Zip)
-					//.colors(d3.scale.linear().domain([-1,0,0.95,1.1,1.75,10]).range(["silver","green","green","yellow","red","black"]))
+					.colors(d3.scale.linear().domain([0,0.5,1]).range(["green","yellow","red"]))
 					.overlayGeoJson(res.zipMap.features, "zip", function (d) {
 						//console.log(d.properties.ZCTA5CE10)
                         return d.properties.ZCTA5CE10;
                     })
+                    .colorAccessor(function(d, i){
+                    	if (i==0){ // capture the distribution
+							res.C_MapMembs=openHealth.memb(res.G_Zip.all().map(function(x){return x.value}));
+						}
+						return openHealth.memb([d],res.C_MapMembs)
+					})
 
 				res.C_Row
 					.width(400)
@@ -100,6 +111,17 @@ openHealth.getScript(["//cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js","ht
 					.margins({top: 5, left: 10, right: 10, bottom: 20})
 					.dimension(res.D_Key)
 					.group(res.G_Key)
+					.colors(d3.scale.linear().domain([0,0.9,1.5,2]).range(["white","green","yellow","red"]))
+					.colorAccessor(function(d, i){
+						var avg = res.avgKeyVals[d.key];
+						if(avg==0){avg=d.value/100}
+						return d.value/avg;
+					})
+					.title(function(d){
+						return Math.round(d.value)+' observed, which is '+Math.round(100*d.value/res.avgKeyVals[d.key])+'% of average '+Math.round(res.avgKeyVals[d.key])
+					})
+
+
 
 				4
 				dc.renderAll();

openHealth.js

@@ -217,6 +217,24 @@ this.unique=function (x){ // x should be an Array
 	return u;
 }
 
+this.avgKeyValue=function(tab,key,val,x){ // find avverage value of a key value pair 
+	// i.e. openHealth.avgKeyValue(paintSuffolk.tab,"Disease state","Septicemia","Rate per 1000")
+	var tabKey = tab[key];
+	tabKeyVal=[];
+	tabKey.map(function(k,i){
+		if(k===val){tabKeyVal.push(tab[x][i])}
+	})
+	return this.sum(tabKeyVal)/tabKeyVal.length
+}
+
+this.avgKeyValues=function(tab,key,vals,x){ // aplies .avgKeyValue to all values
+	var y={}
+	vals.map(function(v){
+		y[v]=openHealth.avgKeyValue(tab,key,v,x)
+	})
+	return y
+}
+
 this.saveFile=function(x,fileName) { // x is the content of the file
 	// var bb = new Blob([x], {type: 'application/octet-binary'});
 	// see also https://github.com/eligrey/FileSaver.js