--- /dev/null
+
+nv.models.line = function() {
+ "use strict";
+ //Default Settings
+ var margin = {top: 0, right: 0, bottom: 0, left: 0},
+ width = 960,
+ height = 500,
+ color = nv.utils.defaultColor(), // function that returns colors
+ id = Math.floor(Math.random() * 10000), //Create semi-unique ID incase user doesn't select one
+ 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
+ clipEdge = false, // if true, masks lines within x and y scale
+ interpolate = "linear"; // controls the line interpolation
+
+
+ var scatter = nv.models.scatter()
+ .id(id)
+ .size(16) // default size
+ .sizeDomain([16,256]), //set to speed up calculation, needs to be unset if there is a custom size accessor
+ //x = scatter.xScale(),
+ //y = scatter.yScale(),
+ x, y,
+ x0, y0, timeoutID;
+
+
+ function chart(selection) {
+ selection.each(function(data) {
+ var availableWidth = width - margin.left - margin.right,
+ availableHeight = height - margin.top - margin.bottom;
+
+ //get the scales inscase scatter scale was set manually
+ x = x || scatter.xScale();
+ y = y || scatter.yScale();
+
+ //store old scales if they exist
+ x0 = x0 || x;
+ y0 = y0 || y;
+
+
+ var wrap = d3.select(this).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')
+
+ wrapEnter.append('g').attr('class', 'nv-scatterWrap');
+ var scatterWrap = wrap.select('.nv-scatterWrap').datum(data);
+
+ gEnter.append('g').attr('class', 'nv-groups');
+
+
+ scatter
+ .width(availableWidth)
+ .height(availableHeight)
+
+ d3.transition(scatterWrap).call(scatter);
+
+
+ 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 + ')' : '');
+ scatterWrap
+ .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + 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);
+ d3.transition(groups.exit())
+ .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) })
+ d3.transition(groups)
+ .style('stroke-opacity', 1)
+ .style('fill-opacity', .5)
+
+
+ var paths = groups.selectAll('path')
+ .data(function(d, i) { return [d.values] });
+ paths.enter().append('path')
+ .attr('class', 'nv-line')
+ .attr('d', d3.svg.line()
+ .interpolate(interpolate)
+ .x(function(d,i) { return x0(getX(d,i)) })
+ .y(function(d,i) { return y0(getY(d,i)) })
+ );
+ d3.transition(groups.exit().selectAll('path'))
+ .attr('d', d3.svg.line()
+ .interpolate(interpolate)
+ .x(function(d,i) { return x(getX(d,i)) })
+ .y(function(d,i) { return y(getY(d,i)) })
+ )
+ .remove(); // redundant? line is already being removed
+ d3.transition(paths)
+ .attr('d', d3.svg.line()
+ .interpolate(interpolate)
+ .x(function(d,i) { return x(getX(d,i)) })
+ .y(function(d,i) { return y(getY(d,i)) })
+ );
+
+
+ //store old scales for use in transitions on update, to animate from old to new positions
+ x0 = x.copy();
+ y0 = y.copy();
+
+ });
+
+ return chart;
+ }
+
+
+ chart.dispatch = scatter.dispatch;
+
+ d3.rebind(chart, scatter, 'interactive', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'xRange', 'yRange', 'sizeDomain', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius');
+
+ chart.options = nv.utils.optionsFunc.bind(chart);
+
+ chart.margin = function(_) {
+ if (!arguments.length) return margin;
+ margin = _;
+ 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.id = function(_) {
+ if (!arguments.length) return id;
+ id = _;
+ return chart;
+ };
+
+ chart.interpolate = function(_) {
+ if (!arguments.length) return interpolate;
+ interpolate = _;
+ return chart;
+ };
+
+ chart.defined = function(_) {
+ if (!arguments.length) return defined;
+ defined = _;
+ return chart;
+ };
+
+ return chart;
+}
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