+++ /dev/null
-
-nv.models.line = function() {
- "use strict";
- //============================================================
- // Public Variables with Default Settings
- //------------------------------------------------------------
-
- var scatter = nv.models.scatter()
- ;
-
- var margin = {top: 0, right: 0, bottom: 0, left: 0}
- , width = 960
- , height = 500
- , color = nv.utils.defaultColor() // a function that returns a color
- , getX = function(d) { return d.x } // accessor to get the x value from a data point
- , getY = function(d) { return d.y } // accessor to get the y value from a data point
- , defined = function(d,i) { return !isNaN(getY(d,i)) && getY(d,i) !== null } // allows a line to be not continuous when it is not defined
- , isArea = function(d) { return d.area } // decides if a line is an area or just a line
- , clipEdge = false // if true, masks lines within x and y scale
- , x //can be accessed via chart.xScale()
- , y //can be accessed via chart.yScale()
- , interpolate = "linear" // controls the line interpolation
- ;
-
- scatter
- .size(16) // default size
- .sizeDomain([16,256]) //set to speed up calculation, needs to be unset if there is a custom size accessor
- ;
-
- //============================================================
-
-
- //============================================================
- // Private Variables
- //------------------------------------------------------------
-
- var x0, y0 //used to store previous scales
- ;
-
- //============================================================
-
-
- function chart(selection) {
- selection.each(function(data) {
- var availableWidth = width - margin.left - margin.right,
- availableHeight = height - margin.top - margin.bottom,
- container = d3.select(this);
-
- //------------------------------------------------------------
- // Setup Scales
-
- x = scatter.xScale();
- y = scatter.yScale();
-
- x0 = x0 || x;
- y0 = y0 || y;
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Setup containers and skeleton of chart
-
- var wrap = container.selectAll('g.nv-wrap.nv-line').data([data]);
- var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-line');
- 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-scatterWrap');
-
- wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
- //------------------------------------------------------------
-
-
-
-
- scatter
- .width(availableWidth)
- .height(availableHeight)
-
- var scatterWrap = wrap.select('.nv-scatterWrap');
- //.datum(data); // Data automatically trickles down from the wrap
-
- scatterWrap.transition().call(scatter);
-
-
-
- defsEnter.append('clipPath')
- .attr('id', 'nv-edge-clip-' + scatter.id())
- .append('rect');
-
- wrap.select('#nv-edge-clip-' + scatter.id() + ' rect')
- .attr('width', availableWidth)
- .attr('height', availableHeight);
-
- g .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + scatter.id() + ')' : '');
- scatterWrap
- .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + scatter.id() + ')' : '');
-
-
-
-
- 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()
- .transition()
- .style('stroke-opacity', 1e-6)
- .style('fill-opacity', 1e-6)
- .remove();
- groups
- .attr('class', function(d,i) { return 'nv-group nv-series-' + i })
- .classed('hover', function(d) { return d.hover })
- .style('fill', function(d,i){ return color(d, i) })
- .style('stroke', function(d,i){ return color(d, i)});
- groups
- .transition()
- .style('stroke-opacity', 1)
- .style('fill-opacity', .5);
-
-
-
- var areaPaths = groups.selectAll('path.nv-area')
- .data(function(d) { return isArea(d) ? [d] : [] }); // this is done differently than lines because I need to check if series is an area
- areaPaths.enter().append('path')
- .attr('class', 'nv-area')
- .attr('d', function(d) {
- return d3.svg.area()
- .interpolate(interpolate)
- .defined(defined)
- .x(function(d,i) { return nv.utils.NaNtoZero(x0(getX(d,i))) })
- .y0(function(d,i) { return nv.utils.NaNtoZero(y0(getY(d,i))) })
- .y1(function(d,i) { return y0( y.domain()[0] <= 0 ? y.domain()[1] >= 0 ? 0 : y.domain()[1] : y.domain()[0] ) })
- //.y1(function(d,i) { return y0(0) }) //assuming 0 is within y domain.. may need to tweak this
- .apply(this, [d.values])
- });
- groups.exit().selectAll('path.nv-area')
- .remove();
-
- areaPaths
- .transition()
- .attr('d', function(d) {
- return d3.svg.area()
- .interpolate(interpolate)
- .defined(defined)
- .x(function(d,i) { return nv.utils.NaNtoZero(x(getX(d,i))) })
- .y0(function(d,i) { return nv.utils.NaNtoZero(y(getY(d,i))) })
- .y1(function(d,i) { return y( y.domain()[0] <= 0 ? y.domain()[1] >= 0 ? 0 : y.domain()[1] : y.domain()[0] ) })
- //.y1(function(d,i) { return y0(0) }) //assuming 0 is within y domain.. may need to tweak this
- .apply(this, [d.values])
- });
-
-
-
- var linePaths = groups.selectAll('path.nv-line')
- .data(function(d) { return [d.values] });
- linePaths.enter().append('path')
- .attr('class', 'nv-line')
- .attr('d',
- d3.svg.line()
- .interpolate(interpolate)
- .defined(defined)
- .x(function(d,i) { return nv.utils.NaNtoZero(x0(getX(d,i))) })
- .y(function(d,i) { return nv.utils.NaNtoZero(y0(getY(d,i))) })
- );
- groups.exit().selectAll('path.nv-line')
- .transition()
- .attr('d',
- d3.svg.line()
- .interpolate(interpolate)
- .defined(defined)
- .x(function(d,i) { return nv.utils.NaNtoZero(x(getX(d,i))) })
- .y(function(d,i) { return nv.utils.NaNtoZero(y(getY(d,i))) })
- );
- linePaths
- .transition()
- .attr('d',
- d3.svg.line()
- .interpolate(interpolate)
- .defined(defined)
- .x(function(d,i) { return nv.utils.NaNtoZero(x(getX(d,i))) })
- .y(function(d,i) { return nv.utils.NaNtoZero(y(getY(d,i))) })
- );
-
-
-
- //store old scales for use in transitions on update
- x0 = x.copy();
- y0 = y.copy();
-
- });
-
- return chart;
- }
-
-
- //============================================================
- // Expose Public Variables
- //------------------------------------------------------------
-
- chart.dispatch = scatter.dispatch;
- chart.scatter = scatter;
-
- d3.rebind(chart, scatter, 'id', 'interactive', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'xRange', 'yRange',
- 'sizeDomain', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'useVoronoi', 'clipRadius', 'padData','highlightPoint','clearHighlights');
-
- chart.options = nv.utils.optionsFunc.bind(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.x = function(_) {
- if (!arguments.length) return getX;
- getX = _;
- scatter.x(_);
- return chart;
- };
-
- chart.y = function(_) {
- if (!arguments.length) return getY;
- getY = _;
- scatter.y(_);
- return chart;
- };
-
- chart.clipEdge = function(_) {
- if (!arguments.length) return clipEdge;
- clipEdge = _;
- return chart;
- };
-
- chart.color = function(_) {
- if (!arguments.length) return color;
- color = nv.utils.getColor(_);
- scatter.color(color);
- return chart;
- };
-
- chart.interpolate = function(_) {
- if (!arguments.length) return interpolate;
- interpolate = _;
- return chart;
- };
-
- chart.defined = function(_) {
- if (!arguments.length) return defined;
- defined = _;
- return chart;
- };
-
- chart.isArea = function(_) {
- if (!arguments.length) return isArea;
- isArea = d3.functor(_);
- return chart;
- };
-
- //============================================================
-
-
- return chart;
-}
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