You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
285 lines
9.2 KiB
JavaScript
285 lines
9.2 KiB
JavaScript
|
|
nv.models.line = function() {
|
|
|
|
//============================================================
|
|
// 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
|
|
|
|
d3.transition(scatterWrap).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);
|
|
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 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 x0(getX(d,i)) })
|
|
.y0(function(d,i) { return 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])
|
|
});
|
|
d3.transition(groups.exit().selectAll('path.nv-area'))
|
|
.attr('d', function(d) {
|
|
return d3.svg.area()
|
|
.interpolate(interpolate)
|
|
.defined(defined)
|
|
.x(function(d,i) { return x(getX(d,i)) })
|
|
.y0(function(d,i) { return 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])
|
|
});
|
|
d3.transition(areaPaths)
|
|
.attr('d', function(d) {
|
|
return d3.svg.area()
|
|
.interpolate(interpolate)
|
|
.defined(defined)
|
|
.x(function(d,i) { return x(getX(d,i)) })
|
|
.y0(function(d,i) { return 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 x0(getX(d,i)) })
|
|
.y(function(d,i) { return y0(getY(d,i)) })
|
|
);
|
|
d3.transition(groups.exit().selectAll('path.nv-line'))
|
|
.attr('d',
|
|
d3.svg.line()
|
|
.interpolate(interpolate)
|
|
.defined(defined)
|
|
.x(function(d,i) { return x(getX(d,i)) })
|
|
.y(function(d,i) { return y(getY(d,i)) })
|
|
);
|
|
d3.transition(linePaths)
|
|
.attr('d',
|
|
d3.svg.line()
|
|
.interpolate(interpolate)
|
|
.defined(defined)
|
|
.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
|
|
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', 'sizeDomain', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius', 'padData');
|
|
|
|
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;
|
|
}
|