Arc Pie

_.md

[ Launch: Arc Pie ] 5260888 by ingenioustechie

config.json

{"description":"Arc Pie","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"period","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01}

inlet.js

    var w = 200,                        //width
    h = 100,                            //height
    r = 100,                            //radius
    ir = 20,
    pi = Math.PI,
    color = d3.scale.category20c();     
 
    data = [{"name":"BJP", "seats":30}, 
            {"name":"INC", "seats":50}, 
            {"name":"Others", "seats":10}];
    
    var vis = d3.select("svg") 
        .data([data])          
            .attr("width", w)  
            .attr("height", h)
            .append("svg:g")       
            .attr("transform", "translate(" + r + "," + r + ")")    
 
    var arc = d3.svg.arc()              
        .outerRadius(r)
		.innerRadius(ir);
    	
 
    var pie = d3.layout.pie()           
        .value(function(d) { return d.seats; })
    	.startAngle(-90 * (pi/180))
        .endAngle(90 * (pi/180));
 
    var arcs = vis.selectAll("g.slice")     
        .data(pie)                          
        .enter()                            
            .append("svg:g")                
                .attr("class", "slice");    
 
        arcs.append("svg:path")
                .attr("fill", function(d, i) { return color(i); } ) 
                .attr("d", arc);                                    
 
        arcs.append("svg:text")                                     
                .attr("transform", function(d) {                    
                
                d.innerRadius = 0;
                d.outerRadius = r;
                return "translate(" + arc.centroid(d) + ")";        
            })
            .attr("text-anchor", "middle")                          
            .text(function(d, i) { return data[i].name; });