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visRenderer.js
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/**
* Created by arjun010 on 2/28/16.
*/
function onlyUnique(value, index, self) { // This function returns an array with unique elements
return self.indexOf(value) === index;
}
(function() {
visRenderer = {};
var histogramTooltip = d3.tip().attr('class', 'd3-tip').html(function(d) {
return d.y;
});
var barTooltip = d3.tip().attr('class', 'd3-tip').html(function(d) {
var displayStr = "";
displayStr += "<strong>Label:</strong> <span style='color:gold'>" + d.label + "</span><br/>";
displayStr += "<strong>Value:</strong> <span style='color:gold'>" + d.value + "</span>";
return displayStr;
});
var scatterplotTooltip = d3.tip().attr('class', 'd3-tip').html(function(d) {
var displayStr = "";
displayStr += "<span style='color:gold'>" + d.label + "</span>";
return displayStr;
});
var pieChartTooltip = d3.tip().attr('class', 'd3-tip').html(function(d) {
var displayStr = "";
displayStr += "<strong>Label:</strong> <span style='color:gold'>" + d.data.label + "</span><br/>";
displayStr += "<strong>Value:</strong> <span style='color:gold'>" + d.value + "</span>";
return displayStr;
});
var labelFontSizeMap = {
"xs":"6px",
"s":"8px",
"m":"10px",
"l":"12px"
};
var tickFontSizeMap = {
"xs":"2px",
"s":"4px",
"m":"6px",
"l":"12px"
};
var labelFontSize = "";
var tickFontSize = "";
function updateTextSizes(divWidth,divHeight){
// if (divWidth==undefined || divHeight==undefined){
// ret
// }
var divSize = parseFloat((divWidth*divHeight)/10000);
if(divSize<=6){
labelFontSize = labelFontSizeMap['s'];
tickFontSize = tickFontSizeMap['s'];
}else if(divSize<=10){
labelFontSize = labelFontSizeMap['m'];
tickFontSize = tickFontSizeMap['m'];
}else if(divSize>10){
labelFontSize = labelFontSizeMap['l'];
tickFontSize = tickFontSizeMap['l'];
}
}
visRenderer.drawHistogram = function(values,labels,selector,divWidth,divHeight){
updateTextSizes(divWidth,divHeight);
var formatCount = d3.format(",.0f");
var margin = {top: divHeight*0.1, right: divWidth*0.10, bottom: divHeight*0.15, left: divWidth*0.15},
width = divWidth - margin.left - margin.right,
height = divHeight - margin.top - margin.bottom;
var x = d3.scale.linear()
.domain([0, d3.max(values, function(d) { return d; })])
.range([0, width]);
// Generate a histogram using twenty uniformly-spaced bins.
var data = d3.layout.histogram()
.bins(x.ticks(20))
(values);
var y = d3.scale.linear()
.domain([0, d3.max(data, function(d) { return d.y; })])
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var svg = d3.select(selector).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 + ")")
.call(histogramTooltip);
var bar = svg.selectAll(".bar")
.data(data)
.enter().append("g")
.attr("class", "bar")
.attr("transform", function(d) { return "translate(" + x(d.x) + "," + y(d.y) + ")"; });
bar.append("rect")
.attr("x", 1)
.attr("width", x(data[0].dx) - 1)
.attr("height", function(d) { return height - y(d.y); })
.attr("fill","steelblue")
.on('mouseover', histogramTooltip.show)
.on('mouseout', histogramTooltip.hide);
bar.append("text")
.attr("dy", ".75em")
.attr("y", 6)
.attr("x", x(data[0].dx) / 2)
.attr("text-anchor", "middle")
.style('font-size',labelFontSize)
.text(function(d) { return formatCount(d.y); });
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.append('text')
.attr("y",margin.bottom*0.75)
.attr("x",width/2)
.attr("dy", ".71em")
.style('font-size',labelFontSize)
.text(labels.xAttr);
// console.log(tickFontSize)
svg.selectAll('.tick')
.selectAll('text')
.style('font-size',tickFontSize);
svg.selectAll('.axis')
.style('font',''+tickFontSize+' sans-serif');
svg.selectAll('.axis path')
.style('fill','none')
.style('stroke','#000')
.style('shape-rendering','crispEdges');
svg.selectAll('.axis line')
.style('fill','none')
.style('stroke','#000')
.style('shape-rendering','crispEdges');
svg.selectAll('.bar text')
.style('font',''+tickFontSize+' sans-serif')
.style('fill','white');
}
visRenderer.drawVerticalBarChart = function(data,labels,selector,divWidth,divHeight){
updateTextSizes(divWidth,divHeight);
var margin = {top: divHeight*0.1, right: divWidth*0.10, bottom: divHeight*0.15, left: divWidth*0.15},
width = divWidth - margin.left - margin.right,
height = divHeight - margin.top - margin.bottom;
var color = d3.scale.category20();
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
var y = d3.scale.linear()
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.ticks(5);
var svg = d3.select(selector).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 + ")")
.call(barTooltip);
x.domain(data.map(function(d) { return d.label; }));
y.domain([d3.min(data, function(d) { return d.value; }), d3.max(data, function(d) { return d.value; })]);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.append('text')
.attr("y",margin.bottom*0.75)
.attr("x",width)
.attr("dy", ".71em")
.style("text-anchor", "end")
.style('font-size',labelFontSize)
.text(labels.xAttr);
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y",0 - (margin.left*0.75))
.attr("x",0-((height-margin.top-margin.bottom)/2))
.attr("dy", ".71em")
.style("text-anchor", "end")
.style('font-size',labelFontSize)
.text(labels.yAttr);
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) { return x(d.label); })
.attr("width", x.rangeBand())
.attr("y", function(d) { return y(d.value); })
.attr("height", function(d) { return height - y(d.value); })
.attr("fill",function(d){
return color(d.label);
})
.on('mouseover', barTooltip.show)
.on('mouseout', barTooltip.hide);
// console.log(tickFontSize)
// axes styling
svg.selectAll('.axis')
.style('font',''+tickFontSize+' sans-serif');
svg.selectAll('.tick')
.selectAll('text')
.style('font',''+tickFontSize+' sans-serif');
svg.selectAll('.axis path')
.style('fill','none')
.style('stroke','#000')
.style('shape-rendering','crispEdges');
svg.selectAll('.axis line')
.style('fill','none')
.style('stroke','#000')
.style('shape-rendering','crispEdges');
};
visRenderer.drawPieChart = function(data,labels,selector,divWidth,divHeight){
updateTextSizes(divWidth,divHeight);
var margin = {top: divHeight*0.1, right: divWidth*0.10, bottom: divHeight*0.15, left: divWidth*0.15},
width = divWidth - margin.left - margin.right,
height = divHeight - margin.top - margin.bottom,
radius = Math.min(width, height) / 2;
var color = d3.scale.category20();
var arc = d3.svg.arc().outerRadius(radius - 10).innerRadius(0);
var labelArc = d3.svg.arc().outerRadius(radius - 40).innerRadius(radius - 40);
var pie = d3.layout.pie().sort(null).value(function(d) { return d.value; });
var svg = d3.select(selector).append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")")
.call(pieChartTooltip);
var g = svg.selectAll(".arc")
.data(pie(data))
.enter()
.append("g")
.attr("class", "arc");
g.append("path").attr("d", arc).style("fill", function(d) { return color(d.data.label); }).on("mouseover",pieChartTooltip.show).on("mouseout",pieChartTooltip.hide);
g.append("text").attr("transform", function(d) { return "translate(" + labelArc.centroid(d) + ")"; })
.attr("dy", ".23em")
.attr("font-size", "10px")
.text(function(d) { return d.data.label; });
};
visRenderer.drawScatterplot = function(data,labels,selector,divWidth,divHeight){
updateTextSizes(divWidth,divHeight);
var margin = {top: divHeight*0.1, right: divWidth*0.30, bottom: divHeight*0.15, left: divWidth*0.15},
width = divWidth - margin.left - margin.right,
height = divHeight - margin.top - margin.bottom;
if(dataProcessor.getAttributeDetails(labels.xAttr)["isCategorical"]=="1" && dataProcessor.getAttributeDetails(labels.xAttr)["isNumeric"]=="0")
{
var XExtentValue=[];
for(i=0;i<data.length;i++)
{
XExtentValue.push(data[i].xVal);
}
XExtentValue = XExtentValue.filter(onlyUnique);
var x= YScaleGenerator("ordinal", width, XExtentValue);
}
else
{
// var XExtentValue ;
// XExtentValue = d3.extent(data, function(d) { return parseFloat(d.xVal); });
// var x = XScaleGenerator("linear", width, XExtentValue);
var x = d3.scale.linear().range([0, width]);
x.domain(d3.extent(data, function(d) { return parseFloat(d.xVal); })).nice();
}
if(dataProcessor.getAttributeDetails(labels.yAttr)["isCategorical"]=="1" && dataProcessor.getAttributeDetails(labels.yAttr)["isNumeric"]=="0")
{
var YExtentValue=[];
for(i=0;i<data.length;i++)
{
YExtentValue.push(data[i].yVal);
}
YExtentValue = YExtentValue.filter(onlyUnique);
var y= YScaleGenerator("ordinal", height, YExtentValue);
}
else
{
// var YExtentValue ;
// YExtentValue = d3.extent(data, function(d) { return parseFloat(d.yVal); });
// var y = XScaleGenerator("linear", height, YExtentValue);
var y = d3.scale.linear().range([height, 0]);
y.domain(d3.extent(data, function(d) { return parseFloat(d.yVal); })).nice();
}
var color = d3.scale.category10();
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
var svg = d3.select(selector).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 + ")")
.call(scatterplotTooltip);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.append('text')
.attr("y",margin.bottom*0.75)
.attr("x",width)
.attr("dy", ".71em")
.style("text-anchor", "end")
.style('font-size',labelFontSize)
.text(labels.xAttr);
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y",0 - (margin.left*0.75))
.attr("x",0-((height-margin.top-margin.bottom)/2))
.attr("dy", ".71em")
.style("text-anchor", "end")
.style('font-size',labelFontSize)
.text(labels.yAttr);
svg.selectAll(".dataPoint")
.data(data)
.enter().append("circle")
.attr("class", "dataPoint")
.style("stroke",'#ffffff')
.style("opacity",0.7)
.attr("r", 3.5)
.attr("cx", function(d) { return x(d.xVal); })
.attr("cy", function(d) { return y(d.yVal); })
.style("fill", function(d) { return color(d.category); })
.on('mouseover', scatterplotTooltip.show)
.on('mouseout', scatterplotTooltip.hide);
if(color.domain().length>1){
var legend = svg.selectAll(".legend")
.data(color.domain())
.enter().append("g")
.attr("class", "legend")
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
legend.append("rect")
.attr("x", divWidth - margin.right)
.attr("width", 18)
.attr("height", 18)
.style("fill", color);
legend.append("text")
.attr("x", divWidth - margin.right - 4)
.attr("y", 9)
.attr("dy", ".35em")
.style("text-anchor", "end")
.text(function(d) { return d; })
.style('font',''+labelFontSize+' sans-serif');
}
// console.log(tickFontSize)
// axes styling
svg.selectAll('.axis')
.style('font',''+tickFontSize+' sans-serif');
svg.selectAll('.tick')
.selectAll('text')
.style('font',''+tickFontSize+' sans-serif');
svg.selectAll('.axis path')
.style('fill','none')
.style('stroke','#000')
.style('shape-rendering','crispEdges');
svg.selectAll('.axis line')
.style('fill','none')
.style('stroke','#000')
.style('shape-rendering','crispEdges');
};
visRenderer.drawLineChart = function(data,labels,selector,divWidth,divHeight){
updateTextSizes(divWidth,divHeight);
var margin = {top: divHeight*0.1, right: divWidth*0.30, bottom: divHeight*0.15, left: divWidth*0.15},
width = divWidth - margin.left - margin.right,
height = divHeight - margin.top - margin.bottom;
if(dataProcessor.getAttributeDetails(labels.xAttr)["isCategorical"]=="1" && dataProcessor.getAttributeDetails(labels.xAttr)["isNumeric"]=="0")
{
var XExtentValue=[];
for(i=0;i<data.length;i++)
{
XExtentValue.push(data[i].xVal);
}
XExtentValue = XExtentValue.filter(onlyUnique);
var x= YScaleGenerator("ordinal", width, XExtentValue);
}
else
{
// var XExtentValue ;
// XExtentValue = d3.extent(data, function(d) { return parseFloat(d.xVal); });
// var x = XScaleGenerator("linear", width, XExtentValue);
var x = d3.scale.linear().range([0, width]);
x.domain(d3.extent(data, function(d) { return parseFloat(d.xVal); })).nice();
}
if(dataProcessor.getAttributeDetails(labels.yAttr)["isCategorical"]=="1" && dataProcessor.getAttributeDetails(labels.yAttr)["isNumeric"]=="0")
{
var YExtentValue=[];
for(i=0;i<data.length;i++)
{
YExtentValue.push(data[i].yVal);
}
YExtentValue = YExtentValue.filter(onlyUnique);
var y= YScaleGenerator("ordinal", height, YExtentValue);
}
else
{
// var YExtentValue ;
// YExtentValue = d3.extent(data, function(d) { return parseFloat(d.yVal); });
// var y = XScaleGenerator("linear", height, YExtentValue);
var y = d3.scale.linear().range([height, 0]);
y.domain(d3.extent(data, function(d) { return parseFloat(d.yVal); })).nice();
}
var valueline = d3.svg.line()
.x(function(d) { return x(d.xVal); })
.y(function(d) { return y(d.yVal); });
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
var svg = d3.select(selector).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 + ")")
// .call(scatterplotTooltip);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.append('text')
.attr("y",margin.bottom*0.75)
.attr("x",width)
.attr("dy", ".71em")
.style("text-anchor", "end")
.style('font-size',labelFontSize)
.text(labels.xAttr);
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y",0 - (margin.left*0.75))
.attr("x",0-((height-margin.top-margin.bottom)/2))
.attr("dy", ".71em")
.style("text-anchor", "end")
.style('font-size',labelFontSize)
.text(labels.yAttr);
svg.append("path")
.attr("class", "line")
.attr("d", valueline(data))
.style("stroke", "steelblue")
.style('stroke-width',2)
.style("fill","none");
// axes styling
svg.selectAll('.axis')
.style('font',''+tickFontSize+' sans-serif');
svg.selectAll('.tick')
.selectAll('text')
.style('font',''+tickFontSize+' sans-serif');
svg.selectAll('.axis path')
.style('fill','none')
.style('stroke','#000')
.style('shape-rendering','crispEdges');
svg.selectAll('.axis line')
.style('fill','none')
.style('stroke','#000')
.style('shape-rendering','crispEdges');
};
})();