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micropolar.js
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/**
* Copyright 2012-2017, Plotly, Inc.
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
var d3 = require('d3');
var Lib = require('../../../lib');
var extendDeepAll = Lib.extendDeepAll;
var MID_SHIFT = require('../../../constants/alignment').MID_SHIFT;
var µ = module.exports = { version: '0.2.2' };
µ.Axis = function module() {
var config = {
data: [],
layout: {}
}, inputConfig = {}, liveConfig = {};
var svg, container, dispatch = d3.dispatch('hover'), radialScale, angularScale;
var exports = {};
function render(_container) {
container = _container || container;
var data = config.data;
var axisConfig = config.layout;
if (typeof container == 'string' || container.nodeName) container = d3.select(container);
container.datum(data).each(function(_data, _index) {
var dataOriginal = _data.slice();
liveConfig = {
data: µ.util.cloneJson(dataOriginal),
layout: µ.util.cloneJson(axisConfig)
};
var colorIndex = 0;
dataOriginal.forEach(function(d, i) {
if (!d.color) {
d.color = axisConfig.defaultColorRange[colorIndex];
colorIndex = (colorIndex + 1) % axisConfig.defaultColorRange.length;
}
if (!d.strokeColor) {
d.strokeColor = d.geometry === 'LinePlot' ? d.color : d3.rgb(d.color).darker().toString();
}
liveConfig.data[i].color = d.color;
liveConfig.data[i].strokeColor = d.strokeColor;
liveConfig.data[i].strokeDash = d.strokeDash;
liveConfig.data[i].strokeSize = d.strokeSize;
});
var data = dataOriginal.filter(function(d, i) {
var visible = d.visible;
return typeof visible === 'undefined' || visible === true;
});
var isStacked = false;
var dataWithGroupId = data.map(function(d, i) {
isStacked = isStacked || typeof d.groupId !== 'undefined';
return d;
});
if (isStacked) {
var grouped = d3.nest().key(function(d, i) {
return typeof d.groupId != 'undefined' ? d.groupId : 'unstacked';
}).entries(dataWithGroupId);
var dataYStack = [];
var stacked = grouped.map(function(d, i) {
if (d.key === 'unstacked') return d.values; else {
var prevArray = d.values[0].r.map(function(d, i) {
return 0;
});
d.values.forEach(function(d, i, a) {
d.yStack = [ prevArray ];
dataYStack.push(prevArray);
prevArray = µ.util.sumArrays(d.r, prevArray);
});
return d.values;
}
});
data = d3.merge(stacked);
}
data.forEach(function(d, i) {
d.t = Array.isArray(d.t[0]) ? d.t : [ d.t ];
d.r = Array.isArray(d.r[0]) ? d.r : [ d.r ];
});
var radius = Math.min(axisConfig.width - axisConfig.margin.left - axisConfig.margin.right, axisConfig.height - axisConfig.margin.top - axisConfig.margin.bottom) / 2;
radius = Math.max(10, radius);
var chartCenter = [ axisConfig.margin.left + radius, axisConfig.margin.top + radius ];
var extent;
if (isStacked) {
var highestStackedValue = d3.max(µ.util.sumArrays(µ.util.arrayLast(data).r[0], µ.util.arrayLast(dataYStack)));
extent = [ 0, highestStackedValue ];
} else extent = d3.extent(µ.util.flattenArray(data.map(function(d, i) {
return d.r;
})));
if (axisConfig.radialAxis.domain != µ.DATAEXTENT) extent[0] = 0;
radialScale = d3.scale.linear().domain(axisConfig.radialAxis.domain != µ.DATAEXTENT && axisConfig.radialAxis.domain ? axisConfig.radialAxis.domain : extent).range([ 0, radius ]);
liveConfig.layout.radialAxis.domain = radialScale.domain();
var angularDataMerged = µ.util.flattenArray(data.map(function(d, i) {
return d.t;
}));
var isOrdinal = typeof angularDataMerged[0] === 'string';
var ticks;
if (isOrdinal) {
angularDataMerged = µ.util.deduplicate(angularDataMerged);
ticks = angularDataMerged.slice();
angularDataMerged = d3.range(angularDataMerged.length);
data = data.map(function(d, i) {
var result = d;
d.t = [ angularDataMerged ];
if (isStacked) result.yStack = d.yStack;
return result;
});
}
var hasOnlyLineOrDotPlot = data.filter(function(d, i) {
return d.geometry === 'LinePlot' || d.geometry === 'DotPlot';
}).length === data.length;
var needsEndSpacing = axisConfig.needsEndSpacing === null ? isOrdinal || !hasOnlyLineOrDotPlot : axisConfig.needsEndSpacing;
var useProvidedDomain = axisConfig.angularAxis.domain && axisConfig.angularAxis.domain != µ.DATAEXTENT && !isOrdinal && axisConfig.angularAxis.domain[0] >= 0;
var angularDomain = useProvidedDomain ? axisConfig.angularAxis.domain : d3.extent(angularDataMerged);
var angularDomainStep = Math.abs(angularDataMerged[1] - angularDataMerged[0]);
if (hasOnlyLineOrDotPlot && !isOrdinal) angularDomainStep = 0;
var angularDomainWithPadding = angularDomain.slice();
if (needsEndSpacing && isOrdinal) angularDomainWithPadding[1] += angularDomainStep;
var tickCount = axisConfig.angularAxis.ticksCount || 4;
if (tickCount > 8) tickCount = tickCount / (tickCount / 8) + tickCount % 8;
if (axisConfig.angularAxis.ticksStep) {
tickCount = (angularDomainWithPadding[1] - angularDomainWithPadding[0]) / tickCount;
}
var angularTicksStep = axisConfig.angularAxis.ticksStep || (angularDomainWithPadding[1] - angularDomainWithPadding[0]) / (tickCount * (axisConfig.minorTicks + 1));
if (ticks) angularTicksStep = Math.max(Math.round(angularTicksStep), 1);
if (!angularDomainWithPadding[2]) angularDomainWithPadding[2] = angularTicksStep;
var angularAxisRange = d3.range.apply(this, angularDomainWithPadding);
angularAxisRange = angularAxisRange.map(function(d, i) {
return parseFloat(d.toPrecision(12));
});
angularScale = d3.scale.linear().domain(angularDomainWithPadding.slice(0, 2)).range(axisConfig.direction === 'clockwise' ? [ 0, 360 ] : [ 360, 0 ]);
liveConfig.layout.angularAxis.domain = angularScale.domain();
liveConfig.layout.angularAxis.endPadding = needsEndSpacing ? angularDomainStep : 0;
svg = d3.select(this).select('svg.chart-root');
if (typeof svg === 'undefined' || svg.empty()) {
var skeleton = "<svg xmlns='http://www.w3.org/2000/svg' class='chart-root'>' + '<g class='outer-group'>' + '<g class='chart-group'>' + '<circle class='background-circle'></circle>' + '<g class='geometry-group'></g>' + '<g class='radial axis-group'>' + '<circle class='outside-circle'></circle>' + '</g>' + '<g class='angular axis-group'></g>' + '<g class='guides-group'><line></line><circle r='0'></circle></g>' + '</g>' + '<g class='legend-group'></g>' + '<g class='tooltips-group'></g>' + '<g class='title-group'><text></text></g>' + '</g>' + '</svg>";
var doc = new DOMParser().parseFromString(skeleton, 'application/xml');
var newSvg = this.appendChild(this.ownerDocument.importNode(doc.documentElement, true));
svg = d3.select(newSvg);
}
svg.select('.guides-group').style({
'pointer-events': 'none'
});
svg.select('.angular.axis-group').style({
'pointer-events': 'none'
});
svg.select('.radial.axis-group').style({
'pointer-events': 'none'
});
var chartGroup = svg.select('.chart-group');
var lineStyle = {
fill: 'none',
stroke: axisConfig.tickColor
};
var fontStyle = {
'font-size': axisConfig.font.size,
'font-family': axisConfig.font.family,
fill: axisConfig.font.color,
'text-shadow': [ '-1px 0px', '1px -1px', '-1px 1px', '1px 1px' ].map(function(d, i) {
return ' ' + d + ' 0 ' + axisConfig.font.outlineColor;
}).join(',')
};
var legendContainer;
if (axisConfig.showLegend) {
legendContainer = svg.select('.legend-group').attr({
transform: 'translate(' + [ radius, axisConfig.margin.top ] + ')'
}).style({
display: 'block'
});
var elements = data.map(function(d, i) {
var datumClone = µ.util.cloneJson(d);
datumClone.symbol = d.geometry === 'DotPlot' ? d.dotType || 'circle' : d.geometry != 'LinePlot' ? 'square' : 'line';
datumClone.visibleInLegend = typeof d.visibleInLegend === 'undefined' || d.visibleInLegend;
datumClone.color = d.geometry === 'LinePlot' ? d.strokeColor : d.color;
return datumClone;
});
µ.Legend().config({
data: data.map(function(d, i) {
return d.name || 'Element' + i;
}),
legendConfig: extendDeepAll({},
µ.Legend.defaultConfig().legendConfig,
{
container: legendContainer,
elements: elements,
reverseOrder: axisConfig.legend.reverseOrder
}
)
})();
var legendBBox = legendContainer.node().getBBox();
radius = Math.min(axisConfig.width - legendBBox.width - axisConfig.margin.left - axisConfig.margin.right, axisConfig.height - axisConfig.margin.top - axisConfig.margin.bottom) / 2;
radius = Math.max(10, radius);
chartCenter = [ axisConfig.margin.left + radius, axisConfig.margin.top + radius ];
radialScale.range([ 0, radius ]);
liveConfig.layout.radialAxis.domain = radialScale.domain();
legendContainer.attr('transform', 'translate(' + [ chartCenter[0] + radius, chartCenter[1] - radius ] + ')');
} else {
legendContainer = svg.select('.legend-group').style({
display: 'none'
});
}
svg.attr({
width: axisConfig.width,
height: axisConfig.height
}).style({
opacity: axisConfig.opacity
});
chartGroup.attr('transform', 'translate(' + chartCenter + ')').style({
cursor: 'crosshair'
});
var centeringOffset = [ (axisConfig.width - (axisConfig.margin.left + axisConfig.margin.right + radius * 2 + (legendBBox ? legendBBox.width : 0))) / 2, (axisConfig.height - (axisConfig.margin.top + axisConfig.margin.bottom + radius * 2)) / 2 ];
centeringOffset[0] = Math.max(0, centeringOffset[0]);
centeringOffset[1] = Math.max(0, centeringOffset[1]);
svg.select('.outer-group').attr('transform', 'translate(' + centeringOffset + ')');
if (axisConfig.title) {
var title = svg.select('g.title-group text').style(fontStyle).text(axisConfig.title);
var titleBBox = title.node().getBBox();
title.attr({
x: chartCenter[0] - titleBBox.width / 2,
y: chartCenter[1] - radius - 20
});
}
var radialAxis = svg.select('.radial.axis-group');
if (axisConfig.radialAxis.gridLinesVisible) {
var gridCircles = radialAxis.selectAll('circle.grid-circle').data(radialScale.ticks(5));
gridCircles.enter().append('circle').attr({
'class': 'grid-circle'
}).style(lineStyle);
gridCircles.attr('r', radialScale);
gridCircles.exit().remove();
}
radialAxis.select('circle.outside-circle').attr({
r: radius
}).style(lineStyle);
var backgroundCircle = svg.select('circle.background-circle').attr({
r: radius
}).style({
fill: axisConfig.backgroundColor,
stroke: axisConfig.stroke
});
function currentAngle(d, i) {
return angularScale(d) % 360 + axisConfig.orientation;
}
if (axisConfig.radialAxis.visible) {
var axis = d3.svg.axis().scale(radialScale).ticks(5).tickSize(5);
radialAxis.call(axis).attr({
transform: 'rotate(' + axisConfig.radialAxis.orientation + ')'
});
radialAxis.selectAll('.domain').style(lineStyle);
radialAxis.selectAll('g>text').text(function(d, i) {
return this.textContent + axisConfig.radialAxis.ticksSuffix;
}).style(fontStyle).style({
'text-anchor': 'start'
}).attr({
x: 0,
y: 0,
dx: 0,
dy: 0,
transform: function(d, i) {
if (axisConfig.radialAxis.tickOrientation === 'horizontal') {
return 'rotate(' + -axisConfig.radialAxis.orientation + ') translate(' + [ 0, fontStyle['font-size'] ] + ')';
} else return 'translate(' + [ 0, fontStyle['font-size'] ] + ')';
}
});
radialAxis.selectAll('g>line').style({
stroke: 'black'
});
}
var angularAxis = svg.select('.angular.axis-group').selectAll('g.angular-tick').data(angularAxisRange);
var angularAxisEnter = angularAxis.enter().append('g').classed('angular-tick', true);
angularAxis.attr({
transform: function(d, i) {
return 'rotate(' + currentAngle(d, i) + ')';
}
}).style({
display: axisConfig.angularAxis.visible ? 'block' : 'none'
});
angularAxis.exit().remove();
angularAxisEnter.append('line').classed('grid-line', true).classed('major', function(d, i) {
return i % (axisConfig.minorTicks + 1) == 0;
}).classed('minor', function(d, i) {
return !(i % (axisConfig.minorTicks + 1) == 0);
}).style(lineStyle);
angularAxisEnter.selectAll('.minor').style({
stroke: axisConfig.minorTickColor
});
angularAxis.select('line.grid-line').attr({
x1: axisConfig.tickLength ? radius - axisConfig.tickLength : 0,
x2: radius
}).style({
display: axisConfig.angularAxis.gridLinesVisible ? 'block' : 'none'
});
angularAxisEnter.append('text').classed('axis-text', true).style(fontStyle);
var ticksText = angularAxis.select('text.axis-text').attr({
x: radius + axisConfig.labelOffset,
dy: MID_SHIFT + 'em',
transform: function(d, i) {
var angle = currentAngle(d, i);
var rad = radius + axisConfig.labelOffset;
var orient = axisConfig.angularAxis.tickOrientation;
if (orient == 'horizontal') return 'rotate(' + -angle + ' ' + rad + ' 0)'; else if (orient == 'radial') return angle < 270 && angle > 90 ? 'rotate(180 ' + rad + ' 0)' : null; else return 'rotate(' + (angle <= 180 && angle > 0 ? -90 : 90) + ' ' + rad + ' 0)';
}
}).style({
'text-anchor': 'middle',
display: axisConfig.angularAxis.labelsVisible ? 'block' : 'none'
}).text(function(d, i) {
if (i % (axisConfig.minorTicks + 1) != 0) return '';
if (ticks) {
return ticks[d] + axisConfig.angularAxis.ticksSuffix;
} else return d + axisConfig.angularAxis.ticksSuffix;
}).style(fontStyle);
if (axisConfig.angularAxis.rewriteTicks) ticksText.text(function(d, i) {
if (i % (axisConfig.minorTicks + 1) != 0) return '';
return axisConfig.angularAxis.rewriteTicks(this.textContent, i);
});
var rightmostTickEndX = d3.max(chartGroup.selectAll('.angular-tick text')[0].map(function(d, i) {
return d.getCTM().e + d.getBBox().width;
}));
legendContainer.attr({
transform: 'translate(' + [ radius + rightmostTickEndX, axisConfig.margin.top ] + ')'
});
var hasGeometry = svg.select('g.geometry-group').selectAll('g').size() > 0;
var geometryContainer = svg.select('g.geometry-group').selectAll('g.geometry').data(data);
geometryContainer.enter().append('g').attr({
'class': function(d, i) {
return 'geometry geometry' + i;
}
});
geometryContainer.exit().remove();
if (data[0] || hasGeometry) {
var geometryConfigs = [];
data.forEach(function(d, i) {
var geometryConfig = {};
geometryConfig.radialScale = radialScale;
geometryConfig.angularScale = angularScale;
geometryConfig.container = geometryContainer.filter(function(dB, iB) {
return iB == i;
});
geometryConfig.geometry = d.geometry;
geometryConfig.orientation = axisConfig.orientation;
geometryConfig.direction = axisConfig.direction;
geometryConfig.index = i;
geometryConfigs.push({
data: d,
geometryConfig: geometryConfig
});
});
var geometryConfigsGrouped = d3.nest().key(function(d, i) {
return typeof d.data.groupId != 'undefined' || 'unstacked';
}).entries(geometryConfigs);
var geometryConfigsGrouped2 = [];
geometryConfigsGrouped.forEach(function(d, i) {
if (d.key === 'unstacked') geometryConfigsGrouped2 = geometryConfigsGrouped2.concat(d.values.map(function(d, i) {
return [ d ];
})); else geometryConfigsGrouped2.push(d.values);
});
geometryConfigsGrouped2.forEach(function(d, i) {
var geometry;
if (Array.isArray(d)) geometry = d[0].geometryConfig.geometry; else geometry = d.geometryConfig.geometry;
var finalGeometryConfig = d.map(function(dB, iB) {
return extendDeepAll(µ[geometry].defaultConfig(), dB);
});
µ[geometry]().config(finalGeometryConfig)();
});
}
var guides = svg.select('.guides-group');
var tooltipContainer = svg.select('.tooltips-group');
var angularTooltip = µ.tooltipPanel().config({
container: tooltipContainer,
fontSize: 8
})();
var radialTooltip = µ.tooltipPanel().config({
container: tooltipContainer,
fontSize: 8
})();
var geometryTooltip = µ.tooltipPanel().config({
container: tooltipContainer,
hasTick: true
})();
var angularValue, radialValue;
if (!isOrdinal) {
var angularGuideLine = guides.select('line').attr({
x1: 0,
y1: 0,
y2: 0
}).style({
stroke: 'grey',
'pointer-events': 'none'
});
chartGroup.on('mousemove.angular-guide', function(d, i) {
var mouseAngle = µ.util.getMousePos(backgroundCircle).angle;
angularGuideLine.attr({
x2: -radius,
transform: 'rotate(' + mouseAngle + ')'
}).style({
opacity: .5
});
var angleWithOriginOffset = (mouseAngle + 180 + 360 - axisConfig.orientation) % 360;
angularValue = angularScale.invert(angleWithOriginOffset);
var pos = µ.util.convertToCartesian(radius + 12, mouseAngle + 180);
angularTooltip.text(µ.util.round(angularValue)).move([ pos[0] + chartCenter[0], pos[1] + chartCenter[1] ]);
}).on('mouseout.angular-guide', function(d, i) {
guides.select('line').style({
opacity: 0
});
});
}
var angularGuideCircle = guides.select('circle').style({
stroke: 'grey',
fill: 'none'
});
chartGroup.on('mousemove.radial-guide', function(d, i) {
var r = µ.util.getMousePos(backgroundCircle).radius;
angularGuideCircle.attr({
r: r
}).style({
opacity: .5
});
radialValue = radialScale.invert(µ.util.getMousePos(backgroundCircle).radius);
var pos = µ.util.convertToCartesian(r, axisConfig.radialAxis.orientation);
radialTooltip.text(µ.util.round(radialValue)).move([ pos[0] + chartCenter[0], pos[1] + chartCenter[1] ]);
}).on('mouseout.radial-guide', function(d, i) {
angularGuideCircle.style({
opacity: 0
});
geometryTooltip.hide();
angularTooltip.hide();
radialTooltip.hide();
});
svg.selectAll('.geometry-group .mark').on('mouseover.tooltip', function(d, i) {
var el = d3.select(this);
var color = this.style.fill;
var newColor = 'black';
var opacity = this.style.opacity || 1;
el.attr({
'data-opacity': opacity
});
if (color && color !== 'none') {
el.attr({
'data-fill': color
});
newColor = d3.hsl(color).darker().toString();
el.style({
fill: newColor,
opacity: 1
});
var textData = {
t: µ.util.round(d[0]),
r: µ.util.round(d[1])
};
if (isOrdinal) textData.t = ticks[d[0]];
var text = 't: ' + textData.t + ', r: ' + textData.r;
var bbox = this.getBoundingClientRect();
var svgBBox = svg.node().getBoundingClientRect();
var pos = [ bbox.left + bbox.width / 2 - centeringOffset[0] - svgBBox.left, bbox.top + bbox.height / 2 - centeringOffset[1] - svgBBox.top ];
geometryTooltip.config({
color: newColor
}).text(text);
geometryTooltip.move(pos);
} else {
color = this.style.stroke || 'black';
el.attr({
'data-stroke': color
});
newColor = d3.hsl(color).darker().toString();
el.style({
stroke: newColor,
opacity: 1
});
}
}).on('mousemove.tooltip', function(d, i) {
if (d3.event.which != 0) return false;
if (d3.select(this).attr('data-fill')) geometryTooltip.show();
}).on('mouseout.tooltip', function(d, i) {
geometryTooltip.hide();
var el = d3.select(this);
var fillColor = el.attr('data-fill');
if (fillColor) el.style({
fill: fillColor,
opacity: el.attr('data-opacity')
}); else el.style({
stroke: el.attr('data-stroke'),
opacity: el.attr('data-opacity')
});
});
});
return exports;
}
exports.render = function(_container) {
render(_container);
return this;
};
exports.config = function(_x) {
if (!arguments.length) return config;
var xClone = µ.util.cloneJson(_x);
xClone.data.forEach(function(d, i) {
if (!config.data[i]) config.data[i] = {};
extendDeepAll(config.data[i], µ.Axis.defaultConfig().data[0]);
extendDeepAll(config.data[i], d);
});
extendDeepAll(config.layout, µ.Axis.defaultConfig().layout);
extendDeepAll(config.layout, xClone.layout);
return this;
};
exports.getLiveConfig = function() {
return liveConfig;
};
exports.getinputConfig = function() {
return inputConfig;
};
exports.radialScale = function(_x) {
return radialScale;
};
exports.angularScale = function(_x) {
return angularScale;
};
exports.svg = function() {
return svg;
};
d3.rebind(exports, dispatch, 'on');
return exports;
};
µ.Axis.defaultConfig = function(d, i) {
var config = {
data: [ {
t: [ 1, 2, 3, 4 ],
r: [ 10, 11, 12, 13 ],
name: 'Line1',
geometry: 'LinePlot',
color: null,
strokeDash: 'solid',
strokeColor: null,
strokeSize: '1',
visibleInLegend: true,
opacity: 1
} ],
layout: {
defaultColorRange: d3.scale.category10().range(),
title: null,
height: 450,
width: 500,
margin: {
top: 40,
right: 40,
bottom: 40,
left: 40
},
font: {
size: 12,
color: 'gray',
outlineColor: 'white',
family: 'Tahoma, sans-serif'
},
direction: 'clockwise',
orientation: 0,
labelOffset: 10,
radialAxis: {
domain: null,
orientation: -45,
ticksSuffix: '',
visible: true,
gridLinesVisible: true,
tickOrientation: 'horizontal',
rewriteTicks: null
},
angularAxis: {
domain: [ 0, 360 ],
ticksSuffix: '',
visible: true,
gridLinesVisible: true,
labelsVisible: true,
tickOrientation: 'horizontal',
rewriteTicks: null,
ticksCount: null,
ticksStep: null
},
minorTicks: 0,
tickLength: null,
tickColor: 'silver',
minorTickColor: '#eee',
backgroundColor: 'none',
needsEndSpacing: null,
showLegend: true,
legend: {
reverseOrder: false
},
opacity: 1
}
};
return config;
};
µ.util = {};
µ.DATAEXTENT = 'dataExtent';
µ.AREA = 'AreaChart';
µ.LINE = 'LinePlot';
µ.DOT = 'DotPlot';
µ.BAR = 'BarChart';
µ.util._override = function(_objA, _objB) {
for (var x in _objA) if (x in _objB) _objB[x] = _objA[x];
};
µ.util._extend = function(_objA, _objB) {
for (var x in _objA) _objB[x] = _objA[x];
};
µ.util._rndSnd = function() {
return Math.random() * 2 - 1 + (Math.random() * 2 - 1) + (Math.random() * 2 - 1);
};
µ.util.dataFromEquation2 = function(_equation, _step) {
var step = _step || 6;
var data = d3.range(0, 360 + step, step).map(function(deg, index) {
var theta = deg * Math.PI / 180;
var radius = _equation(theta);
return [ deg, radius ];
});
return data;
};
µ.util.dataFromEquation = function(_equation, _step, _name) {
var step = _step || 6;
var t = [], r = [];
d3.range(0, 360 + step, step).forEach(function(deg, index) {
var theta = deg * Math.PI / 180;
var radius = _equation(theta);
t.push(deg);
r.push(radius);
});
var result = {
t: t,
r: r
};
if (_name) result.name = _name;
return result;
};
µ.util.ensureArray = function(_val, _count) {
if (typeof _val === 'undefined') return null;
var arr = [].concat(_val);
return d3.range(_count).map(function(d, i) {
return arr[i] || arr[0];
});
};
µ.util.fillArrays = function(_obj, _valueNames, _count) {
_valueNames.forEach(function(d, i) {
_obj[d] = µ.util.ensureArray(_obj[d], _count);
});
return _obj;
};
µ.util.cloneJson = function(json) {
return JSON.parse(JSON.stringify(json));
};
µ.util.validateKeys = function(obj, keys) {
if (typeof keys === 'string') keys = keys.split('.');
var next = keys.shift();
return obj[next] && (!keys.length || objHasKeys(obj[next], keys));
};
µ.util.sumArrays = function(a, b) {
return d3.zip(a, b).map(function(d, i) {
return d3.sum(d);
});
};
µ.util.arrayLast = function(a) {
return a[a.length - 1];
};
µ.util.arrayEqual = function(a, b) {
var i = Math.max(a.length, b.length, 1);
while (i-- >= 0 && a[i] === b[i]) ;
return i === -2;
};
µ.util.flattenArray = function(arr) {
var r = [];
while (!µ.util.arrayEqual(r, arr)) {
r = arr;
arr = [].concat.apply([], arr);
}
return arr;
};
µ.util.deduplicate = function(arr) {
return arr.filter(function(v, i, a) {
return a.indexOf(v) == i;
});
};
µ.util.convertToCartesian = function(radius, theta) {
var thetaRadians = theta * Math.PI / 180;
var x = radius * Math.cos(thetaRadians);
var y = radius * Math.sin(thetaRadians);
return [ x, y ];
};
µ.util.round = function(_value, _digits) {
var digits = _digits || 2;
var mult = Math.pow(10, digits);
return Math.round(_value * mult) / mult;
};
µ.util.getMousePos = function(_referenceElement) {
var mousePos = d3.mouse(_referenceElement.node());
var mouseX = mousePos[0];
var mouseY = mousePos[1];
var mouse = {};
mouse.x = mouseX;
mouse.y = mouseY;
mouse.pos = mousePos;
mouse.angle = (Math.atan2(mouseY, mouseX) + Math.PI) * 180 / Math.PI;
mouse.radius = Math.sqrt(mouseX * mouseX + mouseY * mouseY);
return mouse;
};
µ.util.duplicatesCount = function(arr) {
var uniques = {}, val;
var dups = {};
for (var i = 0, len = arr.length; i < len; i++) {
val = arr[i];
if (val in uniques) {
uniques[val]++;
dups[val] = uniques[val];
} else {
uniques[val] = 1;
}
}
return dups;
};
µ.util.duplicates = function(arr) {
return Object.keys(µ.util.duplicatesCount(arr));
};
µ.util.translator = function(obj, sourceBranch, targetBranch, reverse) {
if (reverse) {
var targetBranchCopy = targetBranch.slice();
targetBranch = sourceBranch;
sourceBranch = targetBranchCopy;
}
var value = sourceBranch.reduce(function(previousValue, currentValue) {
if (typeof previousValue != 'undefined') return previousValue[currentValue];
}, obj);
if (typeof value === 'undefined') return;
sourceBranch.reduce(function(previousValue, currentValue, index) {
if (typeof previousValue == 'undefined') return;
if (index === sourceBranch.length - 1) delete previousValue[currentValue];
return previousValue[currentValue];
}, obj);
targetBranch.reduce(function(previousValue, currentValue, index) {
if (typeof previousValue[currentValue] === 'undefined') previousValue[currentValue] = {};
if (index === targetBranch.length - 1) previousValue[currentValue] = value;
return previousValue[currentValue];
}, obj);
};
µ.PolyChart = function module() {
var config = [ µ.PolyChart.defaultConfig() ];
var dispatch = d3.dispatch('hover');
var dashArray = {
solid: 'none',
dash: [ 5, 2 ],
dot: [ 2, 5 ]
};
var colorScale;
function exports() {
var geometryConfig = config[0].geometryConfig;
var container = geometryConfig.container;
if (typeof container == 'string') container = d3.select(container);
container.datum(config).each(function(_config, _index) {
var isStack = !!_config[0].data.yStack;
var data = _config.map(function(d, i) {
if (isStack) return d3.zip(d.data.t[0], d.data.r[0], d.data.yStack[0]); else return d3.zip(d.data.t[0], d.data.r[0]);
});
var angularScale = geometryConfig.angularScale;
var domainMin = geometryConfig.radialScale.domain()[0];
var generator = {};
generator.bar = function(d, i, pI) {
var dataConfig = _config[pI].data;
var h = geometryConfig.radialScale(d[1]) - geometryConfig.radialScale(0);
var stackTop = geometryConfig.radialScale(d[2] || 0);
var w = dataConfig.barWidth;
d3.select(this).attr({
'class': 'mark bar',
d: 'M' + [ [ h + stackTop, -w / 2 ], [ h + stackTop, w / 2 ], [ stackTop, w / 2 ], [ stackTop, -w / 2 ] ].join('L') + 'Z',
transform: function(d, i) {
return 'rotate(' + (geometryConfig.orientation + angularScale(d[0])) + ')';
}
});
};
generator.dot = function(d, i, pI) {
var stackedData = d[2] ? [ d[0], d[1] + d[2] ] : d;
var symbol = d3.svg.symbol().size(_config[pI].data.dotSize).type(_config[pI].data.dotType)(d, i);
d3.select(this).attr({
'class': 'mark dot',
d: symbol,
transform: function(d, i) {
var coord = convertToCartesian(getPolarCoordinates(stackedData));
return 'translate(' + [ coord.x, coord.y ] + ')';
}
});
};
var line = d3.svg.line.radial().interpolate(_config[0].data.lineInterpolation).radius(function(d) {
return geometryConfig.radialScale(d[1]);
}).angle(function(d) {
return geometryConfig.angularScale(d[0]) * Math.PI / 180;
});
generator.line = function(d, i, pI) {
var lineData = d[2] ? data[pI].map(function(d, i) {
return [ d[0], d[1] + d[2] ];
}) : data[pI];
d3.select(this).each(generator['dot']).style({
opacity: function(dB, iB) {
return +_config[pI].data.dotVisible;
},
fill: markStyle.stroke(d, i, pI)
}).attr({
'class': 'mark dot'
});
if (i > 0) return;
var lineSelection = d3.select(this.parentNode).selectAll('path.line').data([ 0 ]);
lineSelection.enter().insert('path');
lineSelection.attr({
'class': 'line',
d: line(lineData),
transform: function(dB, iB) {
return 'rotate(' + (geometryConfig.orientation + 90) + ')';
},
'pointer-events': 'none'
}).style({
fill: function(dB, iB) {
return markStyle.fill(d, i, pI);
},
'fill-opacity': 0,
stroke: function(dB, iB) {
return markStyle.stroke(d, i, pI);
},
'stroke-width': function(dB, iB) {
return markStyle['stroke-width'](d, i, pI);
},
'stroke-dasharray': function(dB, iB) {
return markStyle['stroke-dasharray'](d, i, pI);
},
opacity: function(dB, iB) {
return markStyle.opacity(d, i, pI);
},
display: function(dB, iB) {
return markStyle.display(d, i, pI);
}
});
};
var angularRange = geometryConfig.angularScale.range();
var triangleAngle = Math.abs(angularRange[1] - angularRange[0]) / data[0].length * Math.PI / 180;
var arc = d3.svg.arc().startAngle(function(d) {
return -triangleAngle / 2;
}).endAngle(function(d) {
return triangleAngle / 2;
}).innerRadius(function(d) {
return geometryConfig.radialScale(domainMin + (d[2] || 0));
}).outerRadius(function(d) {
return geometryConfig.radialScale(domainMin + (d[2] || 0)) + geometryConfig.radialScale(d[1]);
});
generator.arc = function(d, i, pI) {
d3.select(this).attr({
'class': 'mark arc',
d: arc,
transform: function(d, i) {
return 'rotate(' + (geometryConfig.orientation + angularScale(d[0]) + 90) + ')';
}
});
};
var markStyle = {
fill: function(d, i, pI) {
return _config[pI].data.color;
},
stroke: function(d, i, pI) {
return _config[pI].data.strokeColor;
},
'stroke-width': function(d, i, pI) {
return _config[pI].data.strokeSize + 'px';
},
'stroke-dasharray': function(d, i, pI) {
return dashArray[_config[pI].data.strokeDash];
},
opacity: function(d, i, pI) {
return _config[pI].data.opacity;
},
display: function(d, i, pI) {
return typeof _config[pI].data.visible === 'undefined' || _config[pI].data.visible ? 'block' : 'none';
}
};
var geometryLayer = d3.select(this).selectAll('g.layer').data(data);
geometryLayer.enter().append('g').attr({
'class': 'layer'
});
var geometry = geometryLayer.selectAll('path.mark').data(function(d, i) {
return d;
});
geometry.enter().append('path').attr({
'class': 'mark'
});
geometry.style(markStyle).each(generator[geometryConfig.geometryType]);
geometry.exit().remove();
geometryLayer.exit().remove();
function getPolarCoordinates(d, i) {
var r = geometryConfig.radialScale(d[1]);
var t = (geometryConfig.angularScale(d[0]) + geometryConfig.orientation) * Math.PI / 180;
return {
r: r,
t: t
};
}
function convertToCartesian(polarCoordinates) {
var x = polarCoordinates.r * Math.cos(polarCoordinates.t);
var y = polarCoordinates.r * Math.sin(polarCoordinates.t);
return {
x: x,
y: y
};
}
});
}
exports.config = function(_x) {
if (!arguments.length) return config;
_x.forEach(function(d, i) {
if (!config[i]) config[i] = {};
extendDeepAll(config[i], µ.PolyChart.defaultConfig());
extendDeepAll(config[i], d);
});
return this;
};
exports.getColorScale = function() {
return colorScale;
};
d3.rebind(exports, dispatch, 'on');
return exports;
};
µ.PolyChart.defaultConfig = function() {
var config = {
data: {
name: 'geom1',
t: [ [ 1, 2, 3, 4 ] ],
r: [ [ 1, 2, 3, 4 ] ],
dotType: 'circle',
dotSize: 64,
dotVisible: false,
barWidth: 20,
color: '#ffa500',
strokeSize: 1,
strokeColor: 'silver',
strokeDash: 'solid',
opacity: 1,
index: 0,
visible: true,
visibleInLegend: true
},
geometryConfig: {
geometry: 'LinePlot',
geometryType: 'arc',
direction: 'clockwise',
orientation: 0,
container: 'body',
radialScale: null,
angularScale: null,
colorScale: d3.scale.category20()
}
};
return config;
};
µ.BarChart = function module() {
return µ.PolyChart();
};
µ.BarChart.defaultConfig = function() {
var config = {
geometryConfig: {
geometryType: 'bar'
}
};
return config;
};
µ.AreaChart = function module() {
return µ.PolyChart();