///////////////////////////////////////////////////////////////////////////
/////////////////////////////// SOM Data //////////////////////////////////
///////////////////////////////////////////////////////////////////////////

//The color of each hexagon
var color = ["#FFFFFF", "#FDFDFE", "#FFF8FA", "#FEFCEF", "#FEF5ED", "#FFFEE1", "#FFFFD6", "#FCF1CB", "#F7E1CF", "#FCDAC7", "#FDC2C7", "#FDB5BE", "#FBB4A7", "#FCAD91", "#FE9796", "#EB8B7D", "#FB7A6E", "#FC8655", "#FC8D3B", "#F47924", "#FE7E0E", "#FF7D00", "#EE6C13", "#F06300", "#D85F05", "#D44603", "#F45200", "#FA4200", "#FB2E00", "#FE0000", "#FBFCFC", "#FBFBF9", "#FEF8F4", "#FEEFF3", "#FCF5E5", "#FAF6DB", "#FAFAD2", "#FEE9CD", "#FCE6C5", "#F9DBB5", "#FCCCAD", "#EEB998", "#DFBB83", "#F1A483", "#FFA07A", "#FD946B", "#F88A62", "#ED8F4C", "#FC9B2A", "#F98F1B", "#FE8E00", "#EF7F08", "#E77600", "#DA6B06", "#B85A0D", "#E5540D", "#FB5519", "#EF3B1F", "#FD1509", "#E10507", "#F2FFFC", "#F7FAFE", "#F7F8F7", "#F2FDEF", "#F9EFE6", "#FDEDDF", "#FCEDD6", "#FEFCCC", "#FEF5BC", "#FEE3B5", "#FEDCAA", "#FDD1A0", "#E6C893", "#FDBD84", "#FDBC75", "#FDAD6A", "#F4A360", "#FCB24C", "#F2A541", "#FBBD07", "#FFA600", "#F5A30A", "#DF8800", "#DD8213", "#CF6823", "#E65D28", "#EF5934", "#FB4C2C", "#FE2223", "#FC034C", "#EFF8FD", "#F5F4F5", "#F1F1F1", "#EDF8E8", "#FDDCEE", "#FEE3DF", "#FCF2D0", "#FFFFBF", "#FFFEB2", "#FEEEA6", "#FDE190", "#FEDD8B", "#FBCB8B", "#FDD975", "#FEC960", "#FDB161", "#FEC34F", "#FDBF31", "#FDD832", "#FED400", "#E5AE04", "#D29A00", "#B98309", "#CF8425", "#E0763C", "#F76846", "#F94945", "#EE3529", "#D51147", "#E41A1C", "#DFFEFF", "#EEF2FD", "#F1EEF6", "#EDEEEE", "#EBE4F1", "#F9CAE5", "#F0D8DD", "#F3EEC5", "#F7FBB8", "#EDF8AF", "#FFFE98", "#F0E58C", "#FFE97E", "#FEED69", "#FCDA5D", "#EACE64", "#E8BD50", "#F0EC38", "#FFFD32", "#FDFD00", "#EFDD00", "#C4AD00", "#D8A621", "#BC802C", "#CE7D3E", "#D7634E", "#E25552", "#DD4734", "#D72C26", "#D51918", "#E1F4F8", "#E4E4FA", "#E9EAEA", "#E2F3DC", "#E0E0E0", "#E6DFD4", "#E6F4D0", "#E6F4C8", "#DCEBBB", "#EDE7AB", "#E4F699", "#D9EF8B", "#F2FE63", "#CBE564", "#DFCF79", "#D8AF67", "#C8C140", "#ADFE2F", "#DDE627", "#C0FF00", "#B4BF00", "#BDBF22", "#BB9E38", "#B08B4E", "#BE7B64", "#D25F64", "#D23E55", "#CB303F", "#CA191D", "#BA0000", "#DAECFE", "#DEEBF5", "#E6E0EF", "#E6E6E6", "#E2E2E3", "#DDDDDC", "#DFE1CB", "#D7F1D3", "#CDEAC5", "#C7E9B4", "#D8F2A2", "#D4DA93", "#CDE984", "#D0FE63", "#B3DE69", "#B4CE6A", "#BDB46B", "#A7D751", "#9ACA32", "#8AE40B", "#91D900", "#A3CC00", "#9D9D04", "#A56F1C", "#A07440", "#9E615D", "#AE494A", "#BD3A27", "#B21E27", "#C30023", "#C1E6FF", "#D2E4F0", "#D9D9EA", "#E6D3E7", "#DBDBDB", "#D8D8D8", "#D0D0D0", "#C4D5CF", "#C6E9C0", "#B9E4B7", "#BCDFAA", "#C2E599", "#BFE47B", "#B1FF62", "#A2D76B", "#A0BD66", "#8D9F55", "#7DBB43", "#85EC2D", "#7DFD00", "#7DE400", "#81B402", "#808000", "#8B6B31", "#7A563C", "#8C554B", "#A4542A", "#A32E28", "#A80321", "#960145", "#ACF1F3", "#CAEBE5", "#C6DAEF", "#CED2E6", "#DECBE2", "#CADDDA", "#CFCECE", "#CBCBCC", "#C6C6C6", "#B5C7B0", "#A4DBB4", "#A9DAA2", "#B3DD8A", "#9FEA87", "#93FF63", "#8ECA5F", "#7EC37D", "#6B9973", "#74CC32", "#52F400", "#69ED00", "#62B107", "#6C9A22", "#64740C", "#627A3A", "#776752", "#863A3A", "#853B20", "#9F3302", "#810426", "#B0E0E4", "#BAE6EF", "#BDD5E6", "#C3C9E1", "#CCD1D9", "#D4D3D1", "#D6D1C6", "#CCCBBA", "#BCBCBC", "#B6B6B6", "#9BB7B7", "#9FD899", "#96DD8A", "#93F494", "#6CFE64", "#66D161", "#73C376", "#63B962", "#3DE934", "#3AF900", "#45D40C", "#4DAC26", "#4D9022", "#58692F", "#554C40", "#535454", "#7F601B", "#88460D", "#8B231E", "#9C0003", "#9DE2C9", "#AEDED5", "#ACD8E7", "#B9B9FF", "#C6C0DC", "#E5C9CB", "#E2D8BF", "#D8CAAA", "#C6BDAB", "#B2B2B3", "#A9A9A9", "#ABAF9E", "#92BB8D", "#84D4A3", "#77DF94", "#60FE7B", "#6CE075", "#4ECD87", "#2FFA3B", "#00FC00", "#26C90E", "#4AA02E", "#2E9F2B", "#1E8D1E", "#386A2D", "#416156", "#494A4D", "#51510E", "#862903", "#840000", "#81FED5", "#9DD9E7", "#AFC6E3", "#BCBBDB", "#D6BAD8", "#F4B5D5", "#D6A9B5", "#D1B48A", "#BAAD9B", "#A0A1A1", "#9AAAB3", "#8DAA98", "#76C3AE", "#82CEC2", "#6EE3BA", "#62FEA2", "#1CF887", "#00FC8B", "#08DC51", "#32CC33", "#4FAB4A", "#418743", "#00B300", "#028400", "#266914", "#314E52", "#444444", "#524028", "#6B220B", "#660010", "#61F6FA", "#81D1EC", "#9FCAE1", "#B0C5CE", "#C6B0D5", "#E9A4C9", "#FB9DBA", "#E7959B", "#C79A95", "#B09997", "#989999", "#959595", "#8A88A6", "#7BA3B6", "#65C6A6", "#63FFCC", "#2DE9C3", "#00FFBB", "#0DCA75", "#3EAF73", "#43AA5E", "#2FA457", "#1F8B43", "#008E38", "#016302", "#155120", "#2F3A48", "#3D3E3E", "#57162D", "#542F05", "#8ACAFB", "#91C2DC", "#A3BBD2", "#BEA9D0", "#DD9ED9", "#E78AC2", "#DC77AC", "#D77780", "#BC8D8E", "#A6967C", "#87A17C", "#878787", "#789199", "#5BB2AD", "#52CFCC", "#3EDED1", "#00FEFD", "#00CCD0", "#20B1A9", "#448571", "#0DB54F", "#239254", "#197639", "#006A31", "#004510", "#153617", "#373536", "#323232", "#442728", "#39250F", "#5FC1F2", "#85B5E8", "#91B5CD", "#AFABD4", "#C694C8", "#EF81EF", "#F781BF", "#D96F93", "#BD6682", "#A37380", "#888565", "#7F7F7F", "#6F838F", "#5F9B9E", "#43A4A0", "#3FB6C0", "#35A6FA", "#01C1FF", "#17BECF", "#2B9295", "#189F76", "#019268", "#2B7B6F", "#016557", "#00592B", "#00412F", "#0D3031", "#2B2842", "#2B2C2D", "#252525", "#6BAED6", "#7FB1D3", "#9BA0C6", "#9C99E3", "#D86DD9", "#E377C2", "#FE68B5", "#B460A5", "#956AA9", "#7B6786", "#777777", "#677886", "#667997", "#6795B7", "#47ACD1", "#289DD6", "#1492FC", "#00AAE4", "#00A5AD", "#008A8D", "#00807B", "#226A8B", "#03507A", "#174759", "#013B5B", "#032F46", "#172944", "#212C30", "#212122", "#2A1F15", "#63A3CD", "#74ABD0", "#8C9AC8", "#A48DC2", "#BB7EBC", "#D569B6", "#F8639E", "#DC457D", "#9E519B", "#85559E", "#727271", "#727866", "#666699", "#776DB1", "#587CBB", "#4391C5", "#387EFA", "#0269FD", "#0296CC", "#037FB0", "#05739C", "#03598A", "#25577C", "#07407F", "#09306B", "#06305F", "#081E57", "#0B0E39", "#11202B", "#1A1A1A", "#6488D2", "#817DBB", "#9570DA", "#9664BD", "#BA54D4", "#C93EA4", "#E92D90", "#A54778", "#893E9F", "#7A4073", "#656565", "#5F697E", "#6C56A3", "#5D61AB", "#4682B3", "#427BC2", "#3E67DD", "#1F8AC5", "#026DCC", "#056CAE", "#025C9F", "#074E9A", "#2B3696", "#092B8C", "#02287C", "#181A6F", "#03055F", "#070524", "#0E131E", "#111110", "#6299F6", "#6B6ECC", "#6957CC", "#9933CB", "#BC18C7", "#EB26D3", "#E11E70", "#C81884", "#942563", "#782E8B", "#6A4767", "#50566B", "#663E99", "#6B5092", "#5268AF", "#4171B2", "#3283BD", "#2A80B9", "#1E77B3", "#186BB1", "#0548CF", "#0A3DB3", "#2C2CD1", "#0D1B98", "#010086", "#15117F", "#3C1865", "#2B034B", "#350409", "#06060B", "#706EF6", "#4E41FA", "#8E2BE6", "#9300D8", "#FE01FE", "#FE1196", "#F30183", "#B00178", "#860286", "#72026E", "#383A76", "#4F308A", "#4D518D", "#5553A3", "#376698", "#387FB4", "#308FBD", "#2C7AB4", "#216FB6", "#2262AA", "#052AF7", "#0200FE", "#0100CD", "#0301B6", "#3410A0", "#460481", "#490068", "#470149", "#130000", "#000000"];

var counts = [1410, 8, 41, 61, 68, 49, 30, 7, 28, 19, 39, 40, 30, 14, 43, 58, 79, 63, 69, 13, 53, 39, 29, 65, 49, 62, 37, 63, 33, 194, 38, 141, 21, 35, 29, 69, 25, 40, 56, 56, 18, 7, 40, 29, 25, 25, 37, 13, 30, 10, 67, 2, 52, 1, 29, 42, 4, 23, 15, 18, 51, 74, 90, 38, 26, 33, 69, 60, 23, 38, 42, 59, 44, 55, 48, 37, 29, 35, 41, 11, 37, 6, 52, 19, 39, 9, 11, 27, 19, 25, 47, 71, 78, 27, 26, 62, 1, 47, 48, 37, 33, 35, 19, 29, 35, 81, 24, 18, 24, 49, 36, 52, 33, 17, 7, 94, 26, 29, 56, 72, 26, 28, 63, 213, 29, 33, 8, 4, 19, 26, 34, 26, 2, 37, 29, 14, 49, 13, 23, 54, 3, 63, 33, 18, 49, 31, 19, 35, 111, 34, 38, 29, 15, 32, 33, 7, 17, 11, 22, 32, 27, 20, 28, 11, 7, 15, 7, 26, 2, 4, 53, 43, 38, 11, 16, 64, 33, 18, 20, 74, 19, 58, 14, 64, 28, 197, 23, 15, 28, 19, 21, 56, 10, 32, 25, 28, 36, 26, 37, 1, 52, 52, 7, 39, 13, 56, 42, 21, 60, 38, 29, 24, 55, 14, 35, 77, 21, 8, 38, 37, 3, 14, 8, 20, 42, 7, 44, 41, 3, 51, 52, 17, 26, 32, 13, 38, 61, 58, 68, 67, 37, 31, 90, 29, 18, 9, 7, 455, 54, 5, 27, 43, 55, 1, 14, 23, 32, 6, 4, 41, 48, 19, 67, 6, 35, 24, 40, 3, 41, 31, 42, 5, 35, 25, 1, 42, 2, 7, 186, 23, 8, 52, 38, 56, 42, 8, 68, 62, 3, 24, 2, 12, 19, 36, 9, 127, 13, 52, 19, 48, 33, 38, 50, 14, 1, 7, 14, 37, 7, 33, 230, 15, 36, 1, 5, 23, 1, 5, 6, 70, 9, 2, 61, 38, 9, 14, 38, 7, 29, 99, 30, 40, 70, 66, 60, 47, 6, 35, 15, 19, 14, 4, 7, 79, 2, 28, 3, 60, 6, 34, 38, 15, 27, 56, 20, 38, 116, 8, 24, 42, 61, 40, 98, 11, 48, 14, 17, 32, 48, 14, 209, 62, 27, 11, 65, 28, 2, 3, 14, 44, 18, 72, 51, 19, 49, 9, 22, 44, 13, 17, 45, 39, 55, 39, 57, 18, 23, 13, 30, 26, 8, 97, 44, 16, 41, 30, 52, 36, 31, 18, 9, 62, 19, 53, 28, 9, 11, 293, 1, 8, 54, 8, 8, 19, 23, 32, 17, 31, 16, 8, 7, 81, 33, 35, 22, 34, 11, 34, 35, 38, 44, 16, 9, 51, 25, 40, 3, 10, 16, 45, 82, 29, 65, 42, 34, 37, 33, 28, 47, 32, 295, 17, 9, 16, 47, 34, 49, 36, 18, 57, 47, 23, 25, 9, 29, 7, 18, 4, 261, 6, 36, 39, 30, 23, 36, 54, 27, 13, 72, 47, 47, 13, 1, 91, 14, 63, 7, 14, 38, 40, 8, 29, 16, 26, 48, 18, 26, 21, 9, 37, 15, 20, 34, 53, 32, 7, 59, 19, 16, 34, 257, 11, 34, 20, 44, 10, 37, 30, 11, 56, 34, 62, 46, 35, 12, 30, 9, 13, 18, 90, 56, 37, 27, 30, 10, 5, 33, 70, 21, 26, 38, 28, 32, 36, 38, 43, 89, 33, 86, 1, 13, 10, 3, 6, 79, 6, 6, 15, 13, 39, 57, 15, 31, 34, 48, 31, 39, 15, 89, 33, 41, 58, 21, 60, 50, 36, 43, 27, 45, 47, 12, 93, 45, 9, 6, 54, 14, 31, 7, 1500];

//svg sizes and margins
var margin = {left: 50, top: 50, right: 0, bottom: -30},
	width = 920,
	height = 550;

//The number of columns and rows of the heatmap
var MapColumns = 30,
	MapRows = 20;
	
///////////////////////////////////////////////////////////////////////////
/////////////////////// Create hexagon variables //////////////////////////
///////////////////////////////////////////////////////////////////////////

//The maximum radius the hexagons can have to still fit the screen
var hexRadius = d3.min([width/(Math.sqrt(3)*(MapColumns+3)),
						height/((MapRows+3)*1.5)]);

//Set the new height and width based on the max possible
//width = MapColumns*hexRadius*Math.sqrt(3);
//heigth = MapRows*1.5*hexRadius;//+0.5*hexRadius;

//Scale for the min and max hex sizes, based on circular sqrt
var hexSize = d3.scale.sqrt()
	.range([hexRadius*0.3,hexRadius*3])
	.domain([d3.min(counts), d3.max(counts)]);
	
//Initiate hexbin
var hexbin = d3.hexbin()
    .radius(hexRadius)
	.size([width, height])
	.x(function(d) { return d.xPos; })
	.y(function(d) { return d.yPos; });

//Calculate the center positions of each hexagon	
var points = [],
	counter = 0;
for (var i = 0; i < MapRows; i++) {
    for (var j = 0; j < MapColumns; j++) {
		points[counter] = {
			xPos: hexRadius * j * 1.75,
			yPos: hexRadius * i * 1.5,
			color: color[counter],
			counts: counts[counter]
		}
		counter = counter + 1;
    }//for j
}//for i

///////////////////////////////////////////////////////////////////////////
////////////////////////////// Initiate SVG ///////////////////////////////
///////////////////////////////////////////////////////////////////////////

var svg = d3.select("#chart").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

///////////////////////////////////////////////////////////////////////////
////////////////////// Draw hexagons and color them ///////////////////////
///////////////////////////////////////////////////////////////////////////

//Create the hexbin data
var hexData = hexbin(points);
//Add extra data to the hexbin result
hexData.forEach(function(d,i) {
	d.color = points[i].color; 
	d.counts = points[i].counts; 
});
//Sort from biggest to smallest hexbin
hexData.sort(function(a, b) { return b.counts - a.counts; })

//Start drawing the hexagons
svg.append("g")
    .selectAll(".hexagon")
    .data(hexData)
    .enter().append("path")
    .attr("class", "hexagon")
    .attr("d", function (d,i) {return "M" + d.x + "," + d.y + hexbin.hexagon(hexSize(d.counts)); })
	.attr("stroke", function (d,i) { return d3.rgb(d.color).darker(0.5); })
	.attr("stroke-opacity", "0.75")
    .attr("stroke-width", "1px")
    .style("fill", function (d,i) { return d.color; })
	.style("opacity", 0.9)
	.on("mouseover", mover)
	.on("mouseout", mout);
	
///////////////////////////////////////////////////////////////////////////
///////////////// Mouse over and Mouse out functions //////////////////////
///////////////////////////////////////////////////////////////////////////

//Function to call when you mouseover a node
function mover(d,i) {
	var el = d3.select(this)
		.transition().duration(10)		
	    .style("opacity", 1);
		
	$(this).popover({
		placement: 'auto top', //place the tooltip above the item
		container: '#chart', //the name (class or id) of the container
		trigger: 'manual',
		html : true,
		content: function() { //the html content to show inside the tooltip
			return "<span>" + d.color + "</span>"; }
	});
	$(this).popover('show');	
}

//Mouseout function
function mout(d,i) { 
	var el = d3.select(this)
	   .transition().duration(1000)
	   .style("opacity", 0.9);
	
	//Hide the tooltip
	$('.popover').each(function() {
		$(this).remove();
	}); 
};