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META-INF.consoleplugin.modelstatistics.static.lib.d3-star-plot.js Maven / Gradle / Ivy
/**
The MIT License (MIT)
Copyright (c) 2014 Kevin Schaul (and contributors)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
d3.starPlot = function() {
var width = 200,
margin = {
top: 0,
right: 0,
bottom: 0,
left: 0
},
labelMargin = 20,
includeGuidelines = true,
includeLabels = true,
properties = [],
scales = [],
labels = nop,
title = nop,
g,
datum,
radius = width / 2,
origin = [radius, radius],
radii = properties.length,
radians = 2 * Math.PI / radii,
scale = d3.scale.linear()
.domain([0, 100])
.range([0, radius]);
function chart(selection) {
datum = selection.datum();
g = selection
.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
if (includeGuidelines) {
drawGuidelines();
}
drawChart();
if (includeLabels) {
drawLabels();
}
}
function drawGuidelines() {
var r = 0;
properties.forEach(function(d, i) {
var l, x, y;
l = radius;
x = l * Math.cos(r);
y = l * Math.sin(r);
g.append('line')
.attr('class', 'star-axis')
.attr('x1', origin[0])
.attr('y1', origin[1])
.attr('x2', origin[0] + x)
.attr('y2', origin[1] + y);
r += radians;
})
}
function drawLabels() {
var r = 0;
properties.forEach(function(d, i) {
var l, x, y, text = (typeof labels == "function") ? labels(datum, i) : labels[i];
l = radius;
x = (l + labelMargin) * Math.cos(r);
y = (l + labelMargin) * Math.sin(r);
var textNode = g.append('text')
.attr('class', 'star-label')
.attr('x', origin[0] + x)
.attr('y', origin[1] + y)
.style('dominant-baseline', 'central')
.style('text-anchor', 'middle');
text.split(/[\r\n]/).map(function (line) {
textNode.append('tspan')
.attr('dy', '1.3em')
.attr('x', origin[0] + x)
.text(line)
});
r += radians;
})
}
function drawChart() {
g.append('circle')
.attr('class', 'star-origin')
.attr('cx', origin[0])
.attr('cy', origin[1])
.attr('r', 2);
var path = d3.svg.line.radial();
var pathData = [];
var r = Math.PI / 2;
properties.forEach(function(d, i) {
var userScale = scales[i] || scales[0];
pathData.push([
scale(userScale(datum[d])),
r
]);
r += radians;
});
g.append('path')
.attr('class', 'star-path')
.attr('transform', 'translate(' + origin[0] + ',' + origin[1] + ')')
.attr('d', path(pathData) + 'Z');
g.append('text')
.attr('class', 'star-title')
.attr('x', origin[0])
.attr('y', -(margin.top / 2))
.text(title(datum))
.style('text-anchor', 'middle')
}
function drawInteraction() {
var path = d3.svg.line.radial();
// `*Interaction` variables are used to build the interaction layer.
// `*Extent` variables are used to compute (and return) the x,y
// positioning of the attribute extents. `*Value` variables are used
// for the attribute values.
var rInteraction = Math.PI / 2;
var rExtent = 0;
properties.forEach(function(d, i) {
var lInteraction, xInteraction, yInteraction;
var lExtent, xExtent, yExtent;
lInteraction = radius;
xInteraction = lInteraction * Math.cos(rInteraction);
yInteraction = lInteraction * Math.sin(rInteraction);
lExtent = radius + labelMargin;
xExtent = lExtent * Math.cos(rExtent) + origin[0] + margin.left;
yExtent = lExtent * Math.sin(rExtent) + origin[1] + margin.top;
var userScale = scales[i] || scales[0];
lValue = scale(userScale(datum[d]));
x = lValue * Math.cos(rExtent) + origin[0] + margin.left;
y = lValue * Math.sin(rExtent) + origin[1] + margin.top;
var halfRadians = radians / 2;
var pathData = [
[0, rInteraction - halfRadians],
[lInteraction, rInteraction - halfRadians],
[lInteraction, rInteraction + halfRadians]
];
var datumToBind = {
xExtent: xExtent,
yExtent: yExtent,
x: x,
y: y,
key: properties[i],
datum: datum
};
g.append('path')
.datum(datumToBind)
.attr('class', 'star-interaction')
.attr('transform', 'translate(' + origin[0] + ',' + origin[1] + ')')
.attr('d', path(pathData) + 'Z');
rInteraction += radians;
rExtent += radians;
})
}
function nop() {
}
chart.interaction = function() {
drawInteraction();
};
chart.properties = function(_) {
if (!arguments.length) return properties;
properties = _;
radii = properties.length;
radians = 2 * Math.PI / radii;
return chart;
};
chart.scales = function(_) {
if (!arguments.length) return scales;
if (Array.isArray(_)) {
scales = _;
} else {
scales = [_];
}
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
radius = width / 2;
origin = [radius, radius];
scale.range([0, radius]);
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin = _;
origin = [radius, radius];
return chart;
};
chart.labelMargin = function(_) {
if (!arguments.length) return labelMargin;
labelMargin = _;
return chart;
};
chart.title = function(_) {
if (!arguments.length) return title;
title = _;
return chart;
};
chart.labels = function(_) {
if (!arguments.length) return labels;
labels = _;
return chart;
};
chart.includeGuidelines = function(_) {
if (!arguments.length) return includeGuidelines;
includeGuidelines = _;
return chart;
};
chart.includeLabels = function(_) {
if (!arguments.length) return includeLabels;
includeLabels = _;
return chart;
};
return chart;
};
