RenderWatch: added render watch to lineChart

refactor
frank shao 11 years ago
parent 204a2e9e19
commit e177cae4d2

@ -32,6 +32,9 @@ nv.addGraph({
.height(height)
.margin({top: 20, right: 20, bottom: 20, left: 20})
chart.dispatch.on('renderEnd', function(){
console.log('render complete');
});
d3.select('#test1')
.attr('width', width)

@ -69,12 +69,16 @@ nv.addGraph(function() {
// chart sub-models (ie. xAxis, yAxis, etc) when accessed directly, return themselves, not the parent chart, so need to chain separately
chart.xAxis
.axisLabel("Time (s)")
.tickFormat(d3.format(',.1f'));
.tickFormat(d3.format(',.1f'))
;
chart.yAxis
.axisLabel('Voltage (v)')
.tickFormat(d3.format(',.2f'))
;
chart.dispatch.on('renderEnd', function(){
console.log('render complete');
});
d3.select('#chart1 svg')
.datum(sinAndCos())

@ -1013,7 +1013,7 @@ nv.utils.renderWatch = function(dispatch, duration) {
var _duration = duration !== undefined ? duration : 250;
var renderStack = [];
var self = this;
this.addModels = function(models) {
this.models = function(models) {
models = [].slice.call(arguments, 0);
models.forEach(function(model){
model.__rendered = false;
@ -1040,8 +1040,10 @@ nv.utils.renderWatch = function(dispatch, duration) {
_duration !== undefined ? _duration :
250;
selection.__rendered = false;
if (renderStack.indexOf(selection) < 0)
renderStack.push(selection);
if (duration === 0)
{
selection.__rendered = true;
@ -1049,7 +1051,9 @@ nv.utils.renderWatch = function(dispatch, duration) {
}
else
{
selection.__rendered = selection.length ? false : true;
selection.__rendered = selection.length === 0 ? true :
selection.every( function(d){ return !d.length; }) ? true :
false;
var n = 0;
return selection
.transition()
@ -1120,12 +1124,10 @@ nv.models.axis = function() {
, isOrdinal = false
, ticks = null
, axisLabelDistance = 12 //The larger this number is, the closer the axis label is to the axis.
, duration = 1000
, duration = 250
, dispatch = d3.dispatch('renderEnd')
, axisRendered = false
, maxMinRendered = false
, renderStack = []
, renderWatch = nv.utils.renderWatch(dispatch, duration)
;
axis
.scale(scale)
@ -1140,41 +1142,12 @@ nv.models.axis = function() {
// Private Variables
//------------------------------------------------------------
var scale0;
var scale0
, renderWatch = nv.utils.renderWatch(dispatch, duration)
;
//============================================================
var dispatchRendered = function(){
if (renderStack.every(function(d){ return d._rendered; }))
{
renderStack.forEach(function(d){ d._rendered = false; });
dispatch.renderEnd.apply(this, arguments);
}
}
var addTransition = function(selection, arg){
renderStack.push(selection);
if (duration === 0)
{
selection._rendered = true;
return selection;
}
else
{
selection._rendered = false;
return selection
.transition()
.duration(duration)
.each('end', function(d, i){
if (i === selection[0].length - 1)
{
selection._rendered = true;
dispatchRendered(arg);
}
});
}
}
function chart(selection) {
renderWatch.reset();
selection.each(function(data) {
@ -4083,6 +4056,8 @@ nv.models.distribution = function() {
, color = nv.utils.defaultColor()
, scale = d3.scale.linear()
, domain
, duration = 250
, dispatch = d3.dispatch('renderEnd')
;
//============================================================
@ -4093,11 +4068,13 @@ nv.models.distribution = function() {
//------------------------------------------------------------
var scale0;
var renderWatch = nv.utils.renderWatch(dispatch, duration);
//============================================================
function chart(selection) {
renderWatch.reset();
selection.each(function(data) {
var availableLength = width - (axis === 'x' ? margin.left + margin.right : margin.top + margin.bottom),
naxis = axis == 'x' ? 'y' : 'x',
@ -4138,8 +4115,8 @@ nv.models.distribution = function() {
dist.enter().append('line')
.attr(axis + '1', function(d,i) { return scale0(getData(d,i)) })
.attr(axis + '2', function(d,i) { return scale0(getData(d,i)) })
distWrap.exit().selectAll('line.nv-dist' + axis)
.transition()
renderWatch.transition(distWrap.exit().selectAll('line.nv-dist' + axis), 'dist exit')
// .transition()
.attr(axis + '1', function(d,i) { return scale(getData(d,i)) })
.attr(axis + '2', function(d,i) { return scale(getData(d,i)) })
.style('stroke-opacity', 0)
@ -4148,8 +4125,8 @@ nv.models.distribution = function() {
.attr('class', function(d,i) { return 'nv-dist' + axis + ' nv-dist' + axis + '-' + i })
.attr(naxis + '1', 0)
.attr(naxis + '2', size);
dist
.transition()
renderWatch.transition(dist, 'dist')
// .transition()
.attr(axis + '1', function(d,i) { return scale(getData(d,i)) })
.attr(axis + '2', function(d,i) { return scale(getData(d,i)) })
@ -4157,7 +4134,7 @@ nv.models.distribution = function() {
scale0 = scale.copy();
});
renderWatch.renderEnd('distribution immediate');
return chart;
}
@ -4166,6 +4143,7 @@ nv.models.distribution = function() {
// Expose Public Variables
//------------------------------------------------------------
chart.options = nv.utils.optionsFunc.bind(chart);
chart.dispatch = dispatch;
chart.margin = function(_) {
if (!arguments.length) return margin;
@ -4211,6 +4189,13 @@ nv.models.distribution = function() {
color = nv.utils.getColor(_);
return chart;
};
chart.duration = function(_) {
if (!arguments.length) return duration;
duration = _;
renderWatch.reset(duration);
return chart;
};
//============================================================
@ -5265,6 +5250,8 @@ nv.models.line = function() {
, x //can be accessed via chart.xScale()
, y //can be accessed via chart.yScale()
, interpolate = "linear" // controls the line interpolation
, duration = 250
, dispatch = d3.dispatch('elementClick', 'elementMouseover', 'elementMouseout', 'renderEnd')
;
scatter
@ -5280,12 +5267,15 @@ nv.models.line = function() {
//------------------------------------------------------------
var x0, y0 //used to store previous scales
;
, renderWatch = nv.utils.renderWatch(dispatch, duration)
;
//============================================================
function chart(selection) {
renderWatch.reset();
renderWatch.models(scatter);
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
@ -5361,8 +5351,8 @@ nv.models.line = function() {
.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()
renderWatch.transition(groups)
// .transition()
.style('stroke-opacity', 1)
.style('fill-opacity', .5);
@ -5385,8 +5375,8 @@ nv.models.line = function() {
groups.exit().selectAll('path.nv-area')
.remove();
areaPaths
.transition()
renderWatch.transition(areaPaths)
// .transition()
.attr('d', function(d) {
return d3.svg.area()
.interpolate(interpolate)
@ -5412,8 +5402,8 @@ nv.models.line = function() {
.y(function(d,i) { return nv.utils.NaNtoZero(y0(getY(d,i))) })
);
linePaths
.transition()
renderWatch.transition(linePaths)
// .transition()
.attr('d',
d3.svg.line()
.interpolate(interpolate)
@ -5429,7 +5419,7 @@ nv.models.line = function() {
y0 = y.copy();
});
renderWatch.renderEnd('line immediate');
return chart;
}
@ -5438,8 +5428,12 @@ nv.models.line = function() {
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = scatter.dispatch;
chart.dispatch = dispatch;
chart.scatter = scatter;
// Pass through events
scatter.dispatch.on('elementClick', function(){ dispatch.elementClick.apply(this, arguments); })
scatter.dispatch.on('elementMouseover', function(){ dispatch.elementMouseover.apply(this, arguments); })
scatter.dispatch.on('elementMouseout', function(){ dispatch.elementMouseout.apply(this, arguments); })
d3.rebind(chart, scatter, 'id', 'interactive', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'xRange', 'yRange',
'sizeDomain', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'useVoronoi', 'clipRadius', 'padData','highlightPoint','clearHighlights');
@ -5512,6 +5506,13 @@ nv.models.line = function() {
return chart;
};
chart.duration = function(_) {
if (!arguments.length) return duration;
duration = _;
renderWatch.reset(duration);
return chart;
};
//============================================================
@ -5550,8 +5551,8 @@ nv.models.lineChart = function() {
, state = {}
, defaultState = null
, noData = 'No Data Available.'
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState')
, transitionDuration = 250
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState', 'renderEnd')
, duration = 250
;
xAxis
@ -5579,10 +5580,14 @@ nv.models.lineChart = function() {
nv.tooltip.show([left, top], content, null, null, offsetElement);
};
var renderWatch = nv.utils.renderWatch(dispatch, duration);
//============================================================
function chart(selection) {
renderWatch.reset();
renderWatch.models(lines, xAxis, yAxis);
selection.each(function(data) {
var container = d3.select(this),
that = this;
@ -5593,7 +5598,12 @@ nv.models.lineChart = function() {
- margin.top - margin.bottom;
chart.update = function() { container.transition().duration(transitionDuration).call(chart) };
chart.update = function() {
if (duration === 0)
container.call(chart);
else
container.transition().duration(duration).call(chart)
};
chart.container = this;
//set state.disabled
@ -5718,7 +5728,7 @@ nv.models.lineChart = function() {
var linesWrap = g.select('.nv-linesWrap')
.datum(data.filter(function(d) { return !d.disabled }))
linesWrap.transition().call(lines);
linesWrap.call(lines);
//------------------------------------------------------------
@ -5735,7 +5745,6 @@ nv.models.lineChart = function() {
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + y.range()[0] + ')');
g.select('.nv-x.nv-axis')
.transition()
.call(xAxis);
}
@ -5746,7 +5755,6 @@ nv.models.lineChart = function() {
.tickSize( -availableWidth, 0);
g.select('.nv-y.nv-axis')
.transition()
.call(yAxis);
}
//------------------------------------------------------------
@ -5838,7 +5846,8 @@ nv.models.lineChart = function() {
//============================================================
});
renderWatch.renderEnd('lineChart immediate');
return chart;
}
@ -5974,11 +5983,18 @@ nv.models.lineChart = function() {
};
chart.transitionDuration = function(_) {
if (!arguments.length) return transitionDuration;
transitionDuration = _;
return chart;
nv.deprecated('lineChart.transitionDuration');
return chart.duration(_);
};
chart.duration = function(_) {
if (!arguments.length) return duration;
duration = _;
renderWatch.reset(duration);
lines.duration(duration);
return chart;
}
//============================================================
@ -7679,7 +7695,6 @@ nv.models.multiBar = function() {
, yRange
, groupSpacing = 0.1
, dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'renderEnd')
, renderWatch = nv.utils.renderWatch(dispatch, duration)
;
//============================================================
@ -7690,6 +7705,7 @@ nv.models.multiBar = function() {
//------------------------------------------------------------
var x0, y0 //used to store previous scales
, renderWatch = nv.utils.renderWatch(dispatch, duration)
;
@ -8170,7 +8186,7 @@ nv.models.multiBarChart = function() {
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState', 'renderEnd')
, controlWidth = function() { return showControls ? 180 : 0 }
, duration = 250
, renderWatch = nv.utils.renderWatch(dispatch)
;
multibar
@ -8195,7 +8211,8 @@ nv.models.multiBarChart = function() {
//============================================================
// Private Variables
//------------------------------------------------------------
var renderWatch = nv.utils.renderWatch(dispatch);
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
@ -8211,7 +8228,7 @@ nv.models.multiBarChart = function() {
function chart(selection) {
renderWatch.reset();
renderWatch.addModels(multibar, xAxis, yAxis);
renderWatch.models(multibar, xAxis, yAxis);
selection.each(function(data) {
var container = d3.select(this),
that = this;
@ -11158,8 +11175,9 @@ nv.models.scatter = function() {
, sizeDomain = null // Override point size domain
, sizeRange = null
, singlePoint = false
, dispatch = d3.dispatch('elementClick', 'elementMouseover', 'elementMouseout')
, dispatch = d3.dispatch('elementClick', 'elementMouseover', 'elementMouseout', 'renderEnd')
, useVoronoi = true
, duration = 250
;
//============================================================
@ -11172,12 +11190,14 @@ nv.models.scatter = function() {
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
, renderWatch = nv.utils.renderWatch(dispatch, duration)
;
//============================================================
function chart(selection) {
renderWatch.reset();
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
@ -11455,7 +11475,6 @@ nv.models.scatter = function() {
}
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')
@ -11466,8 +11485,9 @@ nv.models.scatter = function() {
groups
.attr('class', function(d,i) { return 'nv-group nv-series-' + i })
.classed('hover', function(d) { return d.hover });
groups
.transition()
renderWatch.transition(groups, 'scatter: groups')
// groups
// .transition()
.style('fill', function(d,i) { return color(d, i) })
.style('stroke', function(d,i) { return color(d, i) })
.style('stroke-opacity', 1)
@ -11475,7 +11495,6 @@ nv.models.scatter = function() {
if (onlyCircles) {
var points = groups.selectAll('circle.nv-point')
.data(function(d) { return d.values }, pointKey);
points.enter().append('circle')
@ -11485,7 +11504,8 @@ nv.models.scatter = function() {
.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()
renderWatch.transition(groups.exit().selectAll('path.nv-point'), 'scatter exit')
// 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();
@ -11496,7 +11516,8 @@ nv.models.scatter = function() {
.classed('hover',false)
;
});
points.transition()
renderWatch.transition(points, 'scatter points')
// 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) });
@ -11517,8 +11538,9 @@ nv.models.scatter = function() {
.size(function(d,i) { return z(getSize(d,i)) })
);
points.exit().remove();
groups.exit().selectAll('path.nv-point')
.transition()
renderWatch.transition(groups.exit().selectAll('path.nv-point'), 'scatter exit')
// groups.exit().selectAll('path.nv-point')
// .transition()
.attr('transform', function(d,i) {
return 'translate(' + x(getX(d,i)) + ',' + y(getY(d,i)) + ')'
})
@ -11530,7 +11552,8 @@ nv.models.scatter = function() {
.classed('hover',false)
;
});
points.transition()
renderWatch.transition(points, 'scatter points')
// 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)) + ')'
@ -11554,7 +11577,7 @@ nv.models.scatter = function() {
z0 = z.copy();
});
renderWatch.renderEnd('scatter immediate');
return chart;
}
@ -11789,6 +11812,13 @@ nv.models.scatter = function() {
return chart;
};
chart.duration = function(_) {
if (!arguments.length) return duration;
duration = _;
renderWatch.reset(duration);
return chart;
};
//============================================================
@ -11832,9 +11862,10 @@ nv.models.scatterChart = function() {
, tooltip = null
, state = {}
, defaultState = null
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState')
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState', 'renderEnd')
, noData = "No Data Available."
, transitionDuration = 250
, duration = 250
;
scatter
@ -11866,6 +11897,7 @@ nv.models.scatterChart = function() {
//------------------------------------------------------------
var x0, y0;
var renderWatch = nv.utils.renderWatch(dispatch, duration);
var showTooltip = function(e, offsetElement) {
//TODO: make tooltip style an option between single or dual on axes (maybe on all charts with axes?)
@ -11895,6 +11927,8 @@ nv.models.scatterChart = function() {
function chart(selection) {
renderWatch.reset();
renderWatch.models(scatter, xAxis, yAxis, distX, distY);
selection.each(function(data) {
var container = d3.select(this),
that = this;
@ -11904,7 +11938,12 @@ nv.models.scatterChart = function() {
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { container.transition().duration(transitionDuration).call(chart); };
chart.update = function() {
if (duration === 0)
container.call(chart);
else
container.transition().duration(duration).call(chart);
};
chart.container = this;
//set state.disabled
@ -12035,7 +12074,6 @@ nv.models.scatterChart = function() {
if (yPadding !== 0)
scatter.yDomain(null);
wrap.select('.nv-scatterWrap')
.datum(data.filter(function(d) { return !d.disabled }))
.call(scatter);
@ -12236,7 +12274,7 @@ nv.models.scatterChart = function() {
});
renderWatch.renderEnd('scatterChart immediate');
return chart;
}
@ -12410,11 +12448,15 @@ nv.models.scatterChart = function() {
noData = _;
return chart;
};
chart.transitionDuration = function(_) {
if (!arguments.length) return transitionDuration;
transitionDuration = _;
chart.duration = function(_) {
if (!arguments.length) return duration;
duration = _;
renderWatch.reset(duration);
return chart;
}
chart.transitionDuration = function(_) {
nv.deprecated('scatterChart.transitionDuration');
return chart.duration(_);
};
//============================================================

@ -20,6 +20,8 @@ nv.models.line = function() {
, x //can be accessed via chart.xScale()
, y //can be accessed via chart.yScale()
, interpolate = "linear" // controls the line interpolation
, duration = 250
, dispatch = d3.dispatch('elementClick', 'elementMouseover', 'elementMouseout', 'renderEnd')
;
scatter
@ -35,12 +37,15 @@ nv.models.line = function() {
//------------------------------------------------------------
var x0, y0 //used to store previous scales
;
, renderWatch = nv.utils.renderWatch(dispatch, duration)
;
//============================================================
function chart(selection) {
renderWatch.reset();
renderWatch.models(scatter);
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
@ -116,8 +121,8 @@ nv.models.line = function() {
.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()
renderWatch.transition(groups)
// .transition()
.style('stroke-opacity', 1)
.style('fill-opacity', .5);
@ -140,8 +145,8 @@ nv.models.line = function() {
groups.exit().selectAll('path.nv-area')
.remove();
areaPaths
.transition()
renderWatch.transition(areaPaths)
// .transition()
.attr('d', function(d) {
return d3.svg.area()
.interpolate(interpolate)
@ -167,8 +172,8 @@ nv.models.line = function() {
.y(function(d,i) { return nv.utils.NaNtoZero(y0(getY(d,i))) })
);
linePaths
.transition()
renderWatch.transition(linePaths)
// .transition()
.attr('d',
d3.svg.line()
.interpolate(interpolate)
@ -184,7 +189,7 @@ nv.models.line = function() {
y0 = y.copy();
});
renderWatch.renderEnd('line immediate');
return chart;
}
@ -193,8 +198,12 @@ nv.models.line = function() {
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = scatter.dispatch;
chart.dispatch = dispatch;
chart.scatter = scatter;
// Pass through events
scatter.dispatch.on('elementClick', function(){ dispatch.elementClick.apply(this, arguments); })
scatter.dispatch.on('elementMouseover', function(){ dispatch.elementMouseover.apply(this, arguments); })
scatter.dispatch.on('elementMouseout', function(){ dispatch.elementMouseout.apply(this, arguments); })
d3.rebind(chart, scatter, 'id', 'interactive', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'xRange', 'yRange',
'sizeDomain', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'useVoronoi', 'clipRadius', 'padData','highlightPoint','clearHighlights');
@ -267,6 +276,13 @@ nv.models.line = function() {
return chart;
};
chart.duration = function(_) {
if (!arguments.length) return duration;
duration = _;
renderWatch.reset(duration);
return chart;
};
//============================================================

@ -31,8 +31,8 @@ nv.models.lineChart = function() {
, state = {}
, defaultState = null
, noData = 'No Data Available.'
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState')
, transitionDuration = 250
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState', 'renderEnd')
, duration = 250
;
xAxis
@ -60,10 +60,14 @@ nv.models.lineChart = function() {
nv.tooltip.show([left, top], content, null, null, offsetElement);
};
var renderWatch = nv.utils.renderWatch(dispatch, duration);
//============================================================
function chart(selection) {
renderWatch.reset();
renderWatch.models(lines, xAxis, yAxis);
selection.each(function(data) {
var container = d3.select(this),
that = this;
@ -74,7 +78,12 @@ nv.models.lineChart = function() {
- margin.top - margin.bottom;
chart.update = function() { container.transition().duration(transitionDuration).call(chart) };
chart.update = function() {
if (duration === 0)
container.call(chart);
else
container.transition().duration(duration).call(chart)
};
chart.container = this;
//set state.disabled
@ -199,7 +208,7 @@ nv.models.lineChart = function() {
var linesWrap = g.select('.nv-linesWrap')
.datum(data.filter(function(d) { return !d.disabled }))
linesWrap.transition().call(lines);
linesWrap.call(lines);
//------------------------------------------------------------
@ -216,7 +225,6 @@ nv.models.lineChart = function() {
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + y.range()[0] + ')');
g.select('.nv-x.nv-axis')
.transition()
.call(xAxis);
}
@ -227,7 +235,6 @@ nv.models.lineChart = function() {
.tickSize( -availableWidth, 0);
g.select('.nv-y.nv-axis')
.transition()
.call(yAxis);
}
//------------------------------------------------------------
@ -319,7 +326,8 @@ nv.models.lineChart = function() {
//============================================================
});
renderWatch.renderEnd('lineChart immediate');
return chart;
}
@ -455,11 +463,18 @@ nv.models.lineChart = function() {
};
chart.transitionDuration = function(_) {
if (!arguments.length) return transitionDuration;
transitionDuration = _;
return chart;
nv.deprecated('lineChart.transitionDuration');
return chart.duration(_);
};
chart.duration = function(_) {
if (!arguments.length) return duration;
duration = _;
renderWatch.reset(duration);
lines.duration(duration);
return chart;
}
//============================================================

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