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294 lines
9.1 KiB
JavaScript
294 lines
9.1 KiB
JavaScript
nv.models.scatterChart = function() {
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var margin = {top: 30, right: 20, bottom: 50, left: 60},
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width = null,
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height = null,
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color = d3.scale.category20().range(),
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showDistX = false,
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showDistY = false,
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showLegend = true,
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tooltips = true,
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tooltipX = function(key, x, y) { return '<strong>' + x + '</strong>' },
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tooltipY = function(key, x, y) { return '<strong>' + y + '</strong>' },
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tooltip = function(key, x, y, e, graph) {
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return '<h3>' + key + '</h3>' +
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'<p>' + y + ' at ' + x + '</p>'
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};
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var scatter = nv.models.scatter(),
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x = scatter.xScale(),
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y = scatter.yScale(),
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xAxis = nv.models.axis().orient('bottom').scale(x).tickPadding(10),
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yAxis = nv.models.axis().orient('left').scale(y).tickPadding(10),
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legend = nv.models.legend().height(30),
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distX = nv.models.distribution().axis('x').scale(x),
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distY = nv.models.distribution().axis('y').scale(y),
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dispatch = d3.dispatch('tooltipShow', 'tooltipHide'),
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x0, y0; //TODO: abstract distribution component and have old scales stored there
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var showTooltip = function(e, offsetElement) {
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//TODO: make tooltip style an option between single or dual on axes (maybe on all charts with axes?)
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//var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
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//top = e.pos[1] + ( offsetElement.offsetTop || 0),
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var leftX = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
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topX = y.range()[0] + margin.top + ( offsetElement.offsetTop || 0),
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leftY = x.range()[0] + margin.left + ( offsetElement.offsetLeft || 0 ),
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topY = e.pos[1] + ( offsetElement.offsetTop || 0),
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xVal = xAxis.tickFormat()(scatter.x()(e.point)),
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yVal = yAxis.tickFormat()(scatter.y()(e.point)),
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contentX = tooltipX(e.series.key, xVal, yVal, e, chart),
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contentY = tooltipY(e.series.key, xVal, yVal, e, chart);
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//content = tooltip(e.series.key, xVal, yVal, e, chart);
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nv.tooltip.show([leftX, topX], contentX, 'n', 1);
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nv.tooltip.show([leftY, topY], contentY, 'e', 1);
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//nv.tooltip.show([left, top], content, e.value < 0 ? 'n' : 's');
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};
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function chart(selection) {
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selection.each(function(data) {
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var container = d3.select(this),
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that = this;
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//TODO: decide if this makes sense to add into all the models for ease of updating (updating without needing the selection)
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chart.update = function() { container.transition().call(chart) };
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var availableWidth = (width || parseInt(container.style('width')) || 960)
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- margin.left - margin.right,
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availableHeight = (height || parseInt(container.style('height')) || 400)
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- margin.top - margin.bottom;
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x0 = x0 || scatter.xScale();
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y0 = y0 || scatter.yScale();
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var wrap = container.selectAll('g.wrap.scatterChart').data([data]);
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var gEnter = wrap.enter().append('g').attr('class', 'wrap nvd3 scatterChart chart-' + scatter.id()).append('g');
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gEnter.append('g').attr('class', 'legendWrap');
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gEnter.append('g').attr('class', 'x axis');
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gEnter.append('g').attr('class', 'y axis');
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gEnter.append('g').attr('class', 'scatterWrap');
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gEnter.append('g').attr('class', 'distWrap');
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var g = wrap.select('g')
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if (showLegend) {
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legend.width( availableWidth / 2 );
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wrap.select('.legendWrap')
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.datum(data)
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.call(legend);
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if ( margin.top != legend.height()) {
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margin.top = legend.height();
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availableHeight = (height || parseInt(container.style('height')) || 400)
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- margin.top - margin.bottom;
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}
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wrap.select('.legendWrap')
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.attr('transform', 'translate(' + (availableWidth / 2) + ',' + (-margin.top) +')');
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}
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scatter
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.width(availableWidth)
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.height(availableHeight)
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.color(data.map(function(d,i) {
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return d.color || color[i % color.length];
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}).filter(function(d,i) { return !data[i].disabled }))
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g.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
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var scatterWrap = wrap.select('.scatterWrap')
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.datum(data.filter(function(d) { return !d.disabled }));
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d3.transition(scatterWrap).call(scatter);
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xAxis
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.ticks( availableWidth / 100 )
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.tickSize( -availableHeight , 0);
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g.select('.x.axis')
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.attr('transform', 'translate(0,' + y.range()[0] + ')');
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d3.transition(g.select('.x.axis'))
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.call(xAxis);
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yAxis
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.ticks( availableHeight / 36 )
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.tickSize( -availableWidth, 0);
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d3.transition(g.select('.y.axis'))
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.call(yAxis);
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distX
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.width(availableWidth)
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.color(data.map(function(d,i) {
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return d.color || color[i % color.length];
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}).filter(function(d,i) { return !data[i].disabled }));
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gEnter.select('.distWrap').append('g')
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.attr('class', 'distributionX')
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.attr('transform', 'translate(0,' + y.range()[0] + ')');
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g.select('.distributionX')
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.datum(data.filter(function(d) { return !d.disabled }))
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.call(distX);
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distY
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.width(availableHeight)
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.color(data.map(function(d,i) {
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return d.color || color[i % color.length];
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}).filter(function(d,i) { return !data[i].disabled }));
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gEnter.select('.distWrap').append('g')
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.attr('class', 'distributionY')
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.attr('transform', 'translate(-' + distY.size() + ',0)');
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g.select('.distributionY')
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.datum(data.filter(function(d) { return !d.disabled }))
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.call(distY);
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legend.dispatch.on('legendClick', function(d,i, that) {
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d.disabled = !d.disabled;
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if (!data.filter(function(d) { return !d.disabled }).length) {
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data.map(function(d) {
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d.disabled = false;
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wrap.selectAll('.series').classed('disabled', false);
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return d;
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});
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}
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chart.update();
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});
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/*
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legend.dispatch.on('legendMouseover', function(d, i) {
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d.hover = true;
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selection.transition().call(chart)
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});
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legend.dispatch.on('legendMouseout', function(d, i) {
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d.hover = false;
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selection.transition().call(chart)
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});
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*/
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scatter.dispatch.on('elementMouseover.tooltip', function(e) {
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d3.select('.chart-' + scatter.id() + ' .series-' + e.seriesIndex + ' .distx-' + e.pointIndex)
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.attr('y1', e.pos[1] - availableHeight);
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d3.select('.chart-' + scatter.id() + ' .series-' + e.seriesIndex + ' .disty-' + e.pointIndex)
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.attr('x2', e.pos[0] + distX.size());
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e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
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dispatch.tooltipShow(e);
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});
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if (tooltips) dispatch.on('tooltipShow', function(e) { showTooltip(e, that.parentNode) } ); // TODO: maybe merge with above?
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scatter.dispatch.on('elementMouseout.tooltip', function(e) {
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dispatch.tooltipHide(e);
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d3.select('.chart-' + scatter.id() + ' .series-' + e.seriesIndex + ' .distx-' + e.pointIndex)
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.attr('y1', 0);
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d3.select('.chart-' + scatter.id() + ' .series-' + e.seriesIndex + ' .disty-' + e.pointIndex)
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.attr('x2', distY.size());
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});
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if (tooltips) dispatch.on('tooltipHide', nv.tooltip.cleanup);
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//store old scales for use in transitions on update, to animate from old to new positions, and sizes
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x0 = x.copy();
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y0 = y.copy();
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});
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return chart;
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}
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chart.dispatch = dispatch;
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chart.legend = legend;
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chart.xAxis = xAxis;
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chart.yAxis = yAxis;
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d3.rebind(chart, scatter, 'interactive', 'shape', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'sizeDomain', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius', 'fisheye', 'fisheyeRadius');
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chart.margin = function(_) {
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if (!arguments.length) return margin;
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margin = _;
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return chart;
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};
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chart.width = function(_) {
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if (!arguments.length) return width;
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width = _;
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return chart;
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};
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chart.height = function(_) {
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if (!arguments.length) return height;
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height = _;
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return chart;
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};
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chart.color = function(_) {
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if (!arguments.length) return color;
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color = _;
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legend.color(_);
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distX.color(_);
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distY.color(_);
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return chart;
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};
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chart.showDistX = function(_) {
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if (!arguments.length) return showDistX;
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showDistX = _;
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return chart;
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};
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chart.showDistY = function(_) {
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if (!arguments.length) return showDistY;
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showDistY = _;
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return chart;
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};
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chart.showControls = function(_) {
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if (!arguments.length) return showControls;
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showControls = _;
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return chart;
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};
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chart.showLegend = function(_) {
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if (!arguments.length) return showLegend;
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showLegend = _;
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return chart;
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};
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chart.tooltips = function(_) {
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if (!arguments.length) return tooltips;
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tooltips = _;
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return chart;
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};
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chart.tooltipContent = function(_) {
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if (!arguments.length) return tooltip;
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tooltip = _;
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return chart;
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};
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return chart;
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}
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