+++ /dev/null
-
-nv.models.scatter = function() {
- "use strict";
- //============================================================
- // Public Variables with Default Settings
- //------------------------------------------------------------
-
- var margin = {top: 0, right: 0, bottom: 0, left: 0}
- , width = 960
- , height = 500
- , color = nv.utils.defaultColor() // chooses color
- , id = Math.floor(Math.random() * 100000) //Create semi-unique ID incase user doesn't select one
- , x = d3.scale.linear()
- , y = d3.scale.linear()
- , z = d3.scale.linear() //linear because d3.svg.shape.size is treated as area
- , getX = function(d) { return d.x } // accessor to get the x value
- , getY = function(d) { return d.y } // accessor to get the y value
- , getSize = function(d) { return d.size || 1} // accessor to get the point size
- , getShape = function(d) { return d.shape || 'circle' } // accessor to get point shape
- , onlyCircles = true // Set to false to use shapes
- , forceX = [] // List of numbers to Force into the X scale (ie. 0, or a max / min, etc.)
- , forceY = [] // List of numbers to Force into the Y scale
- , forceSize = [] // List of numbers to Force into the Size scale
- , interactive = true // If true, plots a voronoi overlay for advanced point intersection
- , pointKey = null
- , pointActive = function(d) { return !d.notActive } // any points that return false will be filtered out
- , padData = false // If true, adds half a data points width to front and back, for lining up a line chart with a bar chart
- , padDataOuter = .1 //outerPadding to imitate ordinal scale outer padding
- , clipEdge = false // if true, masks points within x and y scale
- , clipVoronoi = true // if true, masks each point with a circle... can turn off to slightly increase performance
- , clipRadius = function() { return 25 } // function to get the radius for voronoi point clips
- , xDomain = null // Override x domain (skips the calculation from data)
- , yDomain = null // Override y domain
- , xRange = null // Override x range
- , yRange = null // Override y range
- , sizeDomain = null // Override point size domain
- , sizeRange = null
- , singlePoint = false
- , dispatch = d3.dispatch('elementClick', 'elementMouseover', 'elementMouseout')
- , useVoronoi = true
- ;
-
- //============================================================
-
-
- //============================================================
- // Private Variables
- //------------------------------------------------------------
-
- var x0, y0, z0 // used to store previous scales
- , timeoutID
- , needsUpdate = false // Flag for when the points are visually updating, but the interactive layer is behind, to disable tooltips
- ;
-
- //============================================================
-
-
- function chart(selection) {
- selection.each(function(data) {
- var availableWidth = width - margin.left - margin.right,
- availableHeight = height - margin.top - margin.bottom,
- container = d3.select(this);
-
- //add series index to each data point for reference
- data.forEach(function(series, i) {
- series.values.forEach(function(point) {
- point.series = i;
- });
- });
-
- //------------------------------------------------------------
- // Setup Scales
-
- // remap and flatten the data for use in calculating the scales' domains
- var seriesData = (xDomain && yDomain && sizeDomain) ? [] : // if we know xDomain and yDomain and sizeDomain, no need to calculate.... if Size is constant remember to set sizeDomain to speed up performance
- d3.merge(
- data.map(function(d) {
- return d.values.map(function(d,i) {
- return { x: getX(d,i), y: getY(d,i), size: getSize(d,i) }
- })
- })
- );
-
- x .domain(xDomain || d3.extent(seriesData.map(function(d) { return d.x; }).concat(forceX)))
-
- if (padData && data[0])
- x.range(xRange || [(availableWidth * padDataOuter + availableWidth) / (2 *data[0].values.length), availableWidth - availableWidth * (1 + padDataOuter) / (2 * data[0].values.length) ]);
- //x.range([availableWidth * .5 / data[0].values.length, availableWidth * (data[0].values.length - .5) / data[0].values.length ]);
- else
- x.range(xRange || [0, availableWidth]);
-
- y .domain(yDomain || d3.extent(seriesData.map(function(d) { return d.y }).concat(forceY)))
- .range(yRange || [availableHeight, 0]);
-
- z .domain(sizeDomain || d3.extent(seriesData.map(function(d) { return d.size }).concat(forceSize)))
- .range(sizeRange || [16, 256]);
-
- // If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
- if (x.domain()[0] === x.domain()[1] || y.domain()[0] === y.domain()[1]) singlePoint = true;
- if (x.domain()[0] === x.domain()[1])
- x.domain()[0] ?
- x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
- : x.domain([-1,1]);
-
- if (y.domain()[0] === y.domain()[1])
- y.domain()[0] ?
- y.domain([y.domain()[0] - y.domain()[0] * 0.01, y.domain()[1] + y.domain()[1] * 0.01])
- : y.domain([-1,1]);
-
- if ( isNaN(x.domain()[0])) {
- x.domain([-1,1]);
- }
-
- if ( isNaN(y.domain()[0])) {
- y.domain([-1,1]);
- }
-
-
- x0 = x0 || x;
- y0 = y0 || y;
- z0 = z0 || z;
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Setup containers and skeleton of chart
-
- var wrap = container.selectAll('g.nv-wrap.nv-scatter').data([data]);
- var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-scatter nv-chart-' + id + (singlePoint ? ' nv-single-point' : ''));
- var defsEnter = wrapEnter.append('defs');
- var gEnter = wrapEnter.append('g');
- var g = wrap.select('g');
-
- gEnter.append('g').attr('class', 'nv-groups');
- gEnter.append('g').attr('class', 'nv-point-paths');
-
- wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
- //------------------------------------------------------------
-
-
- defsEnter.append('clipPath')
- .attr('id', 'nv-edge-clip-' + id)
- .append('rect');
-
- wrap.select('#nv-edge-clip-' + id + ' rect')
- .attr('width', availableWidth)
- .attr('height', availableHeight);
-
- g .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + id + ')' : '');
-
-
- function updateInteractiveLayer() {
-
- if (!interactive) return false;
-
- var eventElements;
-
- var vertices = d3.merge(data.map(function(group, groupIndex) {
- return group.values
- .map(function(point, pointIndex) {
- // *Adding noise to make duplicates very unlikely
- // *Injecting series and point index for reference
- /* *Adding a 'jitter' to the points, because there's an issue in d3.geom.voronoi.
- */
- var pX = getX(point,pointIndex);
- var pY = getY(point,pointIndex);
-
- return [x(pX)+ Math.random() * 1e-7,
- y(pY)+ Math.random() * 1e-7,
- groupIndex,
- pointIndex, point]; //temp hack to add noise untill I think of a better way so there are no duplicates
- })
- .filter(function(pointArray, pointIndex) {
- return pointActive(pointArray[4], pointIndex); // Issue #237.. move filter to after map, so pointIndex is correct!
- })
- })
- );
-
-
-
- //inject series and point index for reference into voronoi
- if (useVoronoi === true) {
-
- if (clipVoronoi) {
- var pointClipsEnter = wrap.select('defs').selectAll('.nv-point-clips')
- .data([id])
- .enter();
-
- pointClipsEnter.append('clipPath')
- .attr('class', 'nv-point-clips')
- .attr('id', 'nv-points-clip-' + id);
-
- var pointClips = wrap.select('#nv-points-clip-' + id).selectAll('circle')
- .data(vertices);
- pointClips.enter().append('circle')
- .attr('r', clipRadius);
- pointClips.exit().remove();
- pointClips
- .attr('cx', function(d) { return d[0] })
- .attr('cy', function(d) { return d[1] });
-
- wrap.select('.nv-point-paths')
- .attr('clip-path', 'url(#nv-points-clip-' + id + ')');
- }
-
-
- if(vertices.length) {
- // Issue #283 - Adding 2 dummy points to the voronoi b/c voronoi requires min 3 points to work
- vertices.push([x.range()[0] - 20, y.range()[0] - 20, null, null]);
- vertices.push([x.range()[1] + 20, y.range()[1] + 20, null, null]);
- vertices.push([x.range()[0] - 20, y.range()[0] + 20, null, null]);
- vertices.push([x.range()[1] + 20, y.range()[1] - 20, null, null]);
- }
-
- var bounds = d3.geom.polygon([
- [-10,-10],
- [-10,height + 10],
- [width + 10,height + 10],
- [width + 10,-10]
- ]);
-
- var voronoi = d3.geom.voronoi(vertices).map(function(d, i) {
- return {
- 'data': bounds.clip(d),
- 'series': vertices[i][2],
- 'point': vertices[i][3]
- }
- });
-
-
- var pointPaths = wrap.select('.nv-point-paths').selectAll('path')
- .data(voronoi);
- pointPaths.enter().append('path')
- .attr('class', function(d,i) { return 'nv-path-'+i; });
- pointPaths.exit().remove();
- pointPaths
- .attr('d', function(d) {
- if (d.data.length === 0)
- return 'M 0 0'
- else
- return 'M' + d.data.join('L') + 'Z';
- });
-
- var mouseEventCallback = function(d,mDispatch) {
- if (needsUpdate) return 0;
- var series = data[d.series];
- if (typeof series === 'undefined') return;
-
- var point = series.values[d.point];
-
- mDispatch({
- point: point,
- series: series,
- pos: [x(getX(point, d.point)) + margin.left, y(getY(point, d.point)) + margin.top],
- seriesIndex: d.series,
- pointIndex: d.point
- });
- };
-
- pointPaths
- .on('click', function(d) {
- mouseEventCallback(d, dispatch.elementClick);
- })
- .on('mouseover', function(d) {
- mouseEventCallback(d, dispatch.elementMouseover);
- })
- .on('mouseout', function(d, i) {
- mouseEventCallback(d, dispatch.elementMouseout);
- });
-
-
- } else {
- /*
- // bring data in form needed for click handlers
- var dataWithPoints = vertices.map(function(d, i) {
- return {
- 'data': d,
- 'series': vertices[i][2],
- 'point': vertices[i][3]
- }
- });
- */
-
- // add event handlers to points instead voronoi paths
- wrap.select('.nv-groups').selectAll('.nv-group')
- .selectAll('.nv-point')
- //.data(dataWithPoints)
- //.style('pointer-events', 'auto') // recativate events, disabled by css
- .on('click', function(d,i) {
- //nv.log('test', d, i);
- if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
- var series = data[d.series],
- point = series.values[i];
-
- dispatch.elementClick({
- point: point,
- series: series,
- pos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],
- seriesIndex: d.series,
- pointIndex: i
- });
- })
- .on('mouseover', function(d,i) {
- if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
- var series = data[d.series],
- point = series.values[i];
-
- dispatch.elementMouseover({
- point: point,
- series: series,
- pos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],
- seriesIndex: d.series,
- pointIndex: i
- });
- })
- .on('mouseout', function(d,i) {
- if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
- var series = data[d.series],
- point = series.values[i];
-
- dispatch.elementMouseout({
- point: point,
- series: series,
- seriesIndex: d.series,
- pointIndex: i
- });
- });
- }
-
- needsUpdate = false;
- }
-
- needsUpdate = true;
-
- var groups = wrap.select('.nv-groups').selectAll('.nv-group')
- .data(function(d) { return d }, function(d) { return d.key });
- groups.enter().append('g')
- .style('stroke-opacity', 1e-6)
- .style('fill-opacity', 1e-6);
- groups.exit()
- .remove();
- groups
- .attr('class', function(d,i) { return 'nv-group nv-series-' + i })
- .classed('hover', function(d) { return d.hover });
- groups
- .transition()
- .style('fill', function(d,i) { return color(d, i) })
- .style('stroke', function(d,i) { return color(d, i) })
- .style('stroke-opacity', 1)
- .style('fill-opacity', .5);
-
-
- if (onlyCircles) {
-
- var points = groups.selectAll('circle.nv-point')
- .data(function(d) { return d.values }, pointKey);
- points.enter().append('circle')
- .style('fill', function (d,i) { return d.color })
- .style('stroke', function (d,i) { return d.color })
- .attr('cx', function(d,i) { return nv.utils.NaNtoZero(x0(getX(d,i))) })
- .attr('cy', function(d,i) { return nv.utils.NaNtoZero(y0(getY(d,i))) })
- .attr('r', function(d,i) { return Math.sqrt(z(getSize(d,i))/Math.PI) });
- points.exit().remove();
- groups.exit().selectAll('path.nv-point').transition()
- .attr('cx', function(d,i) { return nv.utils.NaNtoZero(x(getX(d,i))) })
- .attr('cy', function(d,i) { return nv.utils.NaNtoZero(y(getY(d,i))) })
- .remove();
- points.each(function(d,i) {
- d3.select(this)
- .classed('nv-point', true)
- .classed('nv-point-' + i, true)
- .classed('hover',false)
- ;
- });
- points.transition()
- .attr('cx', function(d,i) { return nv.utils.NaNtoZero(x(getX(d,i))) })
- .attr('cy', function(d,i) { return nv.utils.NaNtoZero(y(getY(d,i))) })
- .attr('r', function(d,i) { return Math.sqrt(z(getSize(d,i))/Math.PI) });
-
- } else {
-
- var points = groups.selectAll('path.nv-point')
- .data(function(d) { return d.values });
- points.enter().append('path')
- .style('fill', function (d,i) { return d.color })
- .style('stroke', function (d,i) { return d.color })
- .attr('transform', function(d,i) {
- return 'translate(' + x0(getX(d,i)) + ',' + y0(getY(d,i)) + ')'
- })
- .attr('d',
- d3.svg.symbol()
- .type(getShape)
- .size(function(d,i) { return z(getSize(d,i)) })
- );
- points.exit().remove();
- groups.exit().selectAll('path.nv-point')
- .transition()
- .attr('transform', function(d,i) {
- return 'translate(' + x(getX(d,i)) + ',' + y(getY(d,i)) + ')'
- })
- .remove();
- points.each(function(d,i) {
- d3.select(this)
- .classed('nv-point', true)
- .classed('nv-point-' + i, true)
- .classed('hover',false)
- ;
- });
- points.transition()
- .attr('transform', function(d,i) {
- //nv.log(d,i,getX(d,i), x(getX(d,i)));
- return 'translate(' + x(getX(d,i)) + ',' + y(getY(d,i)) + ')'
- })
- .attr('d',
- d3.svg.symbol()
- .type(getShape)
- .size(function(d,i) { return z(getSize(d,i)) })
- );
- }
-
-
- // Delay updating the invisible interactive layer for smoother animation
- clearTimeout(timeoutID); // stop repeat calls to updateInteractiveLayer
- timeoutID = setTimeout(updateInteractiveLayer, 300);
- //updateInteractiveLayer();
-
- //store old scales for use in transitions on update
- x0 = x.copy();
- y0 = y.copy();
- z0 = z.copy();
-
- });
-
- return chart;
- }
-
-
- //============================================================
- // Event Handling/Dispatching (out of chart's scope)
- //------------------------------------------------------------
- chart.clearHighlights = function() {
- //Remove the 'hover' class from all highlighted points.
- d3.selectAll(".nv-chart-" + id + " .nv-point.hover").classed("hover",false);
- };
-
- chart.highlightPoint = function(seriesIndex,pointIndex,isHoverOver) {
- d3.select(".nv-chart-" + id + " .nv-series-" + seriesIndex + " .nv-point-" + pointIndex)
- .classed("hover",isHoverOver);
- };
-
-
- dispatch.on('elementMouseover.point', function(d) {
- if (interactive) chart.highlightPoint(d.seriesIndex,d.pointIndex,true);
- });
-
- dispatch.on('elementMouseout.point', function(d) {
- if (interactive) chart.highlightPoint(d.seriesIndex,d.pointIndex,false);
- });
-
- //============================================================
-
-
- //============================================================
- // Expose Public Variables
- //------------------------------------------------------------
-
- chart.dispatch = dispatch;
- chart.options = nv.utils.optionsFunc.bind(chart);
-
- chart.x = function(_) {
- if (!arguments.length) return getX;
- getX = d3.functor(_);
- return chart;
- };
-
- chart.y = function(_) {
- if (!arguments.length) return getY;
- getY = d3.functor(_);
- return chart;
- };
-
- chart.size = function(_) {
- if (!arguments.length) return getSize;
- getSize = d3.functor(_);
- return chart;
- };
-
- chart.margin = function(_) {
- if (!arguments.length) return margin;
- margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
- margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
- margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
- margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
- return chart;
- };
-
- chart.width = function(_) {
- if (!arguments.length) return width;
- width = _;
- return chart;
- };
-
- chart.height = function(_) {
- if (!arguments.length) return height;
- height = _;
- return chart;
- };
-
- chart.xScale = function(_) {
- if (!arguments.length) return x;
- x = _;
- return chart;
- };
-
- chart.yScale = function(_) {
- if (!arguments.length) return y;
- y = _;
- return chart;
- };
-
- chart.zScale = function(_) {
- if (!arguments.length) return z;
- z = _;
- return chart;
- };
-
- chart.xDomain = function(_) {
- if (!arguments.length) return xDomain;
- xDomain = _;
- return chart;
- };
-
- chart.yDomain = function(_) {
- if (!arguments.length) return yDomain;
- yDomain = _;
- return chart;
- };
-
- chart.sizeDomain = function(_) {
- if (!arguments.length) return sizeDomain;
- sizeDomain = _;
- return chart;
- };
-
- chart.xRange = function(_) {
- if (!arguments.length) return xRange;
- xRange = _;
- return chart;
- };
-
- chart.yRange = function(_) {
- if (!arguments.length) return yRange;
- yRange = _;
- return chart;
- };
-
- chart.sizeRange = function(_) {
- if (!arguments.length) return sizeRange;
- sizeRange = _;
- return chart;
- };
-
- chart.forceX = function(_) {
- if (!arguments.length) return forceX;
- forceX = _;
- return chart;
- };
-
- chart.forceY = function(_) {
- if (!arguments.length) return forceY;
- forceY = _;
- return chart;
- };
-
- chart.forceSize = function(_) {
- if (!arguments.length) return forceSize;
- forceSize = _;
- return chart;
- };
-
- chart.interactive = function(_) {
- if (!arguments.length) return interactive;
- interactive = _;
- return chart;
- };
-
- chart.pointKey = function(_) {
- if (!arguments.length) return pointKey;
- pointKey = _;
- return chart;
- };
-
- chart.pointActive = function(_) {
- if (!arguments.length) return pointActive;
- pointActive = _;
- return chart;
- };
-
- chart.padData = function(_) {
- if (!arguments.length) return padData;
- padData = _;
- return chart;
- };
-
- chart.padDataOuter = function(_) {
- if (!arguments.length) return padDataOuter;
- padDataOuter = _;
- return chart;
- };
-
- chart.clipEdge = function(_) {
- if (!arguments.length) return clipEdge;
- clipEdge = _;
- return chart;
- };
-
- chart.clipVoronoi= function(_) {
- if (!arguments.length) return clipVoronoi;
- clipVoronoi = _;
- return chart;
- };
-
- chart.useVoronoi= function(_) {
- if (!arguments.length) return useVoronoi;
- useVoronoi = _;
- if (useVoronoi === false) {
- clipVoronoi = false;
- }
- return chart;
- };
-
- chart.clipRadius = function(_) {
- if (!arguments.length) return clipRadius;
- clipRadius = _;
- return chart;
- };
-
- chart.color = function(_) {
- if (!arguments.length) return color;
- color = nv.utils.getColor(_);
- return chart;
- };
-
- chart.shape = function(_) {
- if (!arguments.length) return getShape;
- getShape = _;
- return chart;
- };
-
- chart.onlyCircles = function(_) {
- if (!arguments.length) return onlyCircles;
- onlyCircles = _;
- return chart;
- };
-
- chart.id = function(_) {
- if (!arguments.length) return id;
- id = _;
- return chart;
- };
-
- chart.singlePoint = function(_) {
- if (!arguments.length) return singlePoint;
- singlePoint = _;
- return chart;
- };
-
- //============================================================
-
-
- return chart;
-}
Code Review / portal.git / blobdiff