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plot-lib-list.js
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plot-lib-list.js
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({
requires: [
{ 'import-type': 'builtin', 'name': 'd3-lib-list' },
],
nativeRequires: [
'pyret-base/js/js-numbers',
'd3',
'd3-tip'
],
provides: {
values: {
histogram: "tany",
'pie-chart': "tany",
'plot-multi': "tany",
'bar-chart': "tany",
'dot-chart': "tany",
'box-chart': "tany",
'geo-map': "tany"
}
},
theModule: function (RUNTIME, NAMESPACE, uri, CLIB, jsnums, d3, D3TIP) {
'use strict';
var gf = RUNTIME.getField,
cases = RUNTIME.ffi.cases;
var libNum = CLIB.libNum,
libData = CLIB.libData,
libJS = CLIB.libJS,
getDimension = CLIB.d3common.getDimension,
svgTranslate = CLIB.d3common.svgTranslate,
createDiv = CLIB.d3common.createDiv,
createCanvas = CLIB.d3common.createCanvas,
callBigBang = CLIB.d3common.callBigBang,
stylizeTip = CLIB.d3common.stylizeTip,
imageReturn = CLIB.imageReturn;
var d3tip = D3TIP(d3);
function appendAxisLabel(canvas, windowOptions, width, height, posX, posY) {
const axisLabel = canvas.append('g')
.attr('class', 'axis label');
axisLabel.append('text')
.attr('x', posY * (width - 1))
.attr('y', -10)
.html(libJS.htmlspecialchars(RUNTIME.getField(windowOptions, '_y-axis')))
.style('text-anchor', posY < 0.5 ? 'start' : 'end');
axisLabel.append('g')
.attr('transform', svgTranslate(width + 10, posX * (height - 1)))
.append('text')
.attr("transform", "rotate(90)")
.html(libJS.htmlspecialchars(RUNTIME.getField(windowOptions, '_x-axis')))
.style('text-anchor', posX < 0.5 ? 'start' : 'end');
}
function appendAxis(
xMin, xMax, yMin, yMax, width, height, windowOptions, canvas, axisFixed
) {
/*
* Appends axes to canvas
*
* @param {jsnums} xMin
* @param {jsnums} xMax
* @param {jsnums} yMin
* @param {jsnums} yMax
* @param {fixnum} width
* @param {fixnum} height
* @param {d3 selection} canvas
*/
function getAxisConf(aMin, aMax) {
const conf = {},
scaler = libNum.scaler(aMin, aMax, 0, 1, false),
pos = jsnums.toFixnum(scaler(0), RUNTIME.NumberErrbacks);
if (0 <= pos && pos <= 1) {
conf.bold = true;
conf.pos = pos;
} else if (pos > 1) {
conf.bold = false;
conf.pos = 1;
} else if (pos < 0) {
conf.bold = false;
conf.pos = 0;
}
return conf;
}
const xAxisConf = getAxisConf(yMin, yMax),
yAxisConf = getAxisConf(xMin, xMax);
xAxisConf.pos = 1 - xAxisConf.pos;
const tickNum = 11;
const xAxisScaler = d3.scale.linear()
.domain([0, tickNum - 1]).range([0, width - 1]),
yAxisScaler = d3.scale.linear()
.domain([0, tickNum - 1]).range([height - 1, 0]);
const allValues = d3.range(0, tickNum);
const xAxisDisplayScaler = libNum.scaler(0, tickNum - 1, xMin, xMax),
yAxisDisplayScaler = libNum.scaler(0, tickNum - 1, yMin, yMax);
const prettyNumToStringDigitsForAxis = libNum.getPrettyNumToStringDigits(5);
let xAxisOrientation = 'bottom';
if (xAxisConf.pos > 0.8 && !axisFixed) {
xAxisOrientation = 'top';
}
const xAxis = d3.svg.axis().scale(xAxisScaler)
.orient(xAxisOrientation)
.tickValues(allValues).tickFormat(
function (d, i) {
return prettyNumToStringDigitsForAxis(xAxisDisplayScaler(i));
});
canvas.append('g')
.attr('class', 'x axis')
.attr('transform', svgTranslate(0, xAxisConf.pos * (height - 1)))
.call(xAxis);
const yAxis = d3.svg.axis().scale(yAxisScaler)
.orient((yAxisConf.pos > 0.8) ? 'left' : 'right')
.tickValues(allValues).tickFormat(
function (d, i) {
return prettyNumToStringDigitsForAxis(yAxisDisplayScaler(i));
});
canvas.append('g')
.attr('class', 'y axis')
.attr('transform', svgTranslate(yAxisConf.pos * (width - 1), 0))
.call(yAxis);
appendAxisLabel(canvas, windowOptions, width, height, xAxisConf.pos, yAxisConf.pos);
canvas.selectAll('.x.axis path').style({
stroke: 'black',
'stroke-width': xAxisConf.bold ? 2 : 0,
fill: 'none'
});
canvas.selectAll('.y.axis path').style({
stroke: 'black',
'stroke-width': yAxisConf.bold ? 2 : 0,
fill: 'none'
});
canvas.selectAll('g.y.axis g.tick line')
.attr('x1', -yAxisConf.pos * (width - 1))
.attr('x2', (1 - yAxisConf.pos) * (width - 1));
canvas.selectAll('g.x.axis g.tick line')
.attr('y1', -xAxisConf.pos * (height - 1))
.attr('y2', (1 - xAxisConf.pos) * (height - 1));
canvas.selectAll('.axis').style({'shape-rendering': 'crispEdges'});
canvas.selectAll('.axis text').style({'font-size': '10px'});
canvas.selectAll('.axis line').style({
stroke: 'lightgray',
opacity: 0.6
});
}
function genericPlot(restarter, windowOptions, scatterPlots, linePlots) {
var xMin = gf(windowOptions, '_x-min'),
xMax = gf(windowOptions, '_x-max'),
yMin = gf(windowOptions, '_y-min'),
yMax = gf(windowOptions, '_y-max');
function resizer(restarter, windowOptions) {
return genericPlot(restarter, windowOptions, scatterPlots, linePlots);
}
var dimension = getDimension({
minWindowWidth: 650,
minWindowHeight: 430,
outerMarginRight: 300,
marginLeft: 20,
marginRight: 20,
marginTop: 50,
marginBottom: 10,
mode: 'top-left',
}, windowOptions),
width = dimension.width,
height = dimension.height,
detached = createDiv(),
canvas = createCanvas(detached, dimension),
panel = detached.append('div').style({
top: '20px',
left: width + dimension.marginLeft + dimension.marginRight + 10 + 'px',
}),
controller = panel.append('div').style({
top: '60px',
}),
coordDisplay = panel.append('div').style({
top: '0px',
left: '0px',
'font-size': '12px',
width: '250px'
}),
rectangleElement = canvas
.append('rect')
.attr('class', 'selection')
.style({
stroke : 'gray',
'stroke-width' : '1px',
'stroke-dasharray': '4px',
'stroke-opacity' : '0.5',
fill : 'gray',
opacity : '0.3',
});
controller.append('div').style({
top: '180px',
left: '50px',
'font-size': '18px',
width: '200px'
}).text('Number of Samples:');
controller = $(controller.node());
var xMinC = $('<input/>', {
type: 'text',
placeholder: 'x-min',
style: 'left: 0px; top: 70px',
}).attr('size', '8');
var xMaxC = $('<input/>', {
type: 'text',
placeholder: 'x-max',
style: 'left: 180px; top: 70px',
}).attr('size', '8');
var yMinC = $('<input/>', {
type: 'text',
placeholder: 'y-min',
style: 'left: 90px; top: 140px',
}).attr('size', '8');
var yMaxC = $('<input/>', {
type: 'text',
placeholder: 'y-max',
style: 'left: 90px; top: 0px',
}).attr('size', '8');
var numSamplesC = $('<input/>', {
type: 'text',
placeholder: 'num-samples',
style: 'left: 90px; top: 210px',
}).attr('size', '8');
controller
.append(xMinC)
.append(xMaxC)
.append(yMinC)
.append(yMaxC)
.append(numSamplesC);
var prettyNumToStringDigits20 = libNum.getPrettyNumToStringDigits(20);
var prettyNumToStringDigits9 = libNum.getPrettyNumToStringDigits(9);
function setDefault() {
xMinC.val(prettyNumToStringDigits20(xMin));
xMaxC.val(prettyNumToStringDigits20(xMax));
yMinC.val(prettyNumToStringDigits20(yMin));
yMaxC.val(prettyNumToStringDigits20(yMax));
}
numSamplesC.val(RUNTIME.num_to_string(gf(windowOptions, '_num-samples')));
setDefault();
function getNewWindow() {
var ret = cases(RUNTIME.ffi.isOption, 'Option', RUNTIME.string_to_number(xMinC.val()), {
none: function () {
xMinC.addClass('error-bg');
xMinC.removeClass('ok-bg');
return null;
},
some: function (xMin_val) {
xMinC.removeClass('error-bg');
xMinC.addClass('ok-bg');
return cases(RUNTIME.ffi.isOption, 'Option', RUNTIME.string_to_number(xMaxC.val()), {
none: function () {
xMaxC.addClass('error-bg');
xMaxC.removeClass('ok-bg');
return null;
},
some: function (xMax_val) {
xMaxC.removeClass('error-bg');
xMaxC.addClass('ok-bg');
if (jsnums.greaterThanOrEqual(xMin_val, xMax_val, RUNTIME.NumberErrbacks)) {
xMinC.addClass('error-bg');
xMaxC.addClass('error-bg');
xMinC.removeClass('ok-bg');
xMaxC.removeClass('ok-bg');
return null;
}
return cases(RUNTIME.ffi.isOption, 'Option', RUNTIME.string_to_number(yMinC.val()), {
none: function () {
yMinC.addClass('error-bg');
yMinC.removeClass('ok-bg');
return null;
},
some: function (yMin_val) {
yMinC.removeClass('error-bg');
yMinC.addClass('ok-bg');
return cases(RUNTIME.ffi.isOption, 'Option', RUNTIME.string_to_number(yMaxC.val()), {
none: function () {
yMaxC.addClass('error-bg');
yMaxC.removeClass('ok-bg');
return null;
},
some: function (yMax_val) {
yMaxC.removeClass('error-bg');
yMaxC.addClass('ok-bg');
if (jsnums.greaterThanOrEqual(xMin_val, xMax_val, RUNTIME.NumberErrbacks)) {
yMinC.addClass('error-bg');
yMaxC.addClass('error-bg');
yMinC.removeClass('ok-bg');
yMaxC.removeClass('ok-bg');
return null;
}
return cases(RUNTIME.ffi.isOption, 'Option', RUNTIME.string_to_number(numSamplesC.val()), {
none: function () {
numSamplesC.addClass('error-bg');
numSamplesC.removeClass('ok-bg');
return null;
},
some: function (numSamples_val) {
numSamplesC.removeClass('error-bg');
numSamplesC.addClass('ok-bg');
if (RUNTIME.isPyretFalse(RUNTIME.num_is_integer(numSamples_val)) ||
jsnums.lessThanOrEqual(numSamples_val, 1, RUNTIME.NumberErrbacks)) {
numSamplesC.addClass('error-bg');
numSamplesC.removeClass('ok-bg');
return null;
}
return {
'_x-min': xMin_val,
'_x-max': xMax_val,
'_y-min': yMin_val,
'_y-max': yMax_val,
'_num-samples': numSamples_val
};
}
});
}
});
}
});
}
});
}
});
detached.selectAll('.error-bg').style({'background-color': '#FF9494'});
detached.selectAll('.ok-bg').style({'background-color': '#FFFFFF'});
return ret;
}
controller.append($('<button/>', {
text: '⇦',
style: 'left: 100px; top: 70px',
}).addClass('xMinGo d3btn').click(function () {
if (rectangleElement.attr('style').indexOf('visible') >= 0) {
rectangleElement.style({visibility: 'hidden'});
}
var newWindow = getNewWindow();
if (newWindow === null) { return; }
var xMin_val = newWindow['_x-min'];
var xMax_val = newWindow['_x-max'];
var move = jsnums.divide(jsnums.subtract(xMax_val, xMin_val, RUNTIME.NumberErrbacks), 10, RUNTIME.NumberErrbacks);
xMinC.val(prettyNumToStringDigits20(jsnums.subtract(xMin_val, move, RUNTIME.NumberErrbacks)));
xMaxC.val(prettyNumToStringDigits20(jsnums.subtract(xMax_val, move, RUNTIME.NumberErrbacks)));
}));
controller.append($('<button/>', {
text: '⇨',
style: 'left: 140px; top: 70px',
}).addClass('xMaxGo d3btn').click(function () {
if (rectangleElement.attr('style').indexOf('visible') >= 0) {
rectangleElement.style({visibility: 'hidden'});
}
var newWindow = getNewWindow();
if (newWindow === null) { return; }
var xMin_val = newWindow['_x-min'];
var xMax_val = newWindow['_x-max'];
var move = jsnums.divide(jsnums.subtract(xMax_val, xMin_val), 10);
xMinC.val(prettyNumToStringDigits20(jsnums.add(xMin_val, move, RUNTIME.NumberErrbacks)));
xMaxC.val(prettyNumToStringDigits20(jsnums.add(xMax_val, move, RUNTIME.NumberErrbacks)));
}));
controller.append($('<button/>', {
text: '⇩',
style: 'left: 120px; top: 105px',
}).addClass('yMinGo d3btn').click(function () {
if (rectangleElement.attr('style').indexOf('visible') >= 0) {
rectangleElement.style({visibility: 'hidden'});
}
var newWindow = getNewWindow();
if (newWindow === null) { return; }
var yMin_val = newWindow['_y-min'];
var yMax_val = newWindow['_y-max'];
var move = jsnums.divide(jsnums.subtract(yMax_val, yMin_val), 10);
yMinC.val(prettyNumToStringDigits20(jsnums.subtract(yMin_val, move, RUNTIME.NumberErrbacks)));
yMaxC.val(prettyNumToStringDigits20(jsnums.subtract(yMax_val, move, RUNTIME.NumberErrbacks)));
}));
controller.append($('<button/>', {
text: '⇧',
style: 'left: 120px; top: 35px',
}).addClass('yMaxGo d3btn').click(function () {
if (rectangleElement.attr('style').indexOf('visible') >= 0) {
rectangleElement.style({visibility: 'hidden'});
}
var newWindow = getNewWindow();
if (newWindow === null) { return; }
var yMin_val = newWindow['_y-min'];
var yMax_val = newWindow['_y-max'];
var move = jsnums.divide(jsnums.subtract(yMax_val, yMin_val), 10);
yMinC.val(prettyNumToStringDigits20(jsnums.add(yMin_val, move, RUNTIME.NumberErrbacks)));
yMaxC.val(prettyNumToStringDigits20(jsnums.add(yMax_val, move, RUNTIME.NumberErrbacks)));
}));
var redraw = $('<button/>', {
text: 'Redraw', style: 'left: 95px; top: 260px'
});
controller.append(redraw);
$(panel.node())
.css('position', 'absolute')
.children()
.css('position', 'absolute')
.children()
.css('position', 'absolute');
appendAxis(xMin, xMax, yMin, yMax, width, height, windowOptions, canvas, false);
var xToPixel = libNum.scaler(xMin, xMax, 0, width - 1, true),
yToPixel = libNum.scaler(yMin, yMax, height - 1, 0, true),
pixelToX = libNum.scaler(0, width - 1, xMin, xMax, false),
pixelToY = libNum.scaler(height - 1, 0, yMin, yMax, false);
// from http://jsfiddle.net/dirtyd77/4Qm6A/7/
var rectData, isDown = false;
function updateRect() {
rectangleElement.attr({
x: rectData[1].x - rectData[0].x > 0 ? rectData[0].x : rectData[1].x,
y: rectData[1].y - rectData[0].y > 0 ? rectData[0].y : rectData[1].y,
width: Math.abs(rectData[1].x - rectData[0].x),
height: Math.abs(rectData[1].y - rectData[0].y)
});
}
canvas
.append('rect')
.attr('width', width)
.attr('height', height)
.attr('class', 'overlay')
.on('click', function () {
if (!d3.event.shiftKey) { return; }
var coord = d3.mouse(this);
var cx = pixelToX(coord[0]);
var radiusX = jsnums.subtract(xMax, xMin);
var cy = pixelToY(coord[1]);
var radiusY = jsnums.subtract(yMax, yMin);
xMinC.val(prettyNumToStringDigits20(jsnums.subtract(cx, radiusX, RUNTIME.NumberErrbacks)));
xMaxC.val(prettyNumToStringDigits20(jsnums.add(cx, radiusX, RUNTIME.NumberErrbacks)));
yMinC.val(prettyNumToStringDigits20(jsnums.subtract(cy, radiusY, RUNTIME.NumberErrbacks)));
yMaxC.val(prettyNumToStringDigits20(jsnums.add(cy, radiusY, RUNTIME.NumberErrbacks)));
})
.on('mousedown', function () {
if (isDown) { return; }
if (d3.event.shiftKey) { return; }
// prevent bad dragging; disable to make canvas focusable
// d3.event.preventDefault();
var m1 = d3.mouse(this);
rectData = [ { x: m1[0], y: m1[1] }, { x: m1[0], y: m1[1] } ];
updateRect();
rectangleElement.style({visibility: 'visible'});
isDown = true;
})
.on('mousemove', function (){
var coord = d3.mouse(this);
var vX = pixelToX(coord[0]);
var vY = pixelToY(coord[1]);
coordDisplay.html('x: ' + prettyNumToStringDigits20(vX) + '<br/><br/>' +
'y: ' + prettyNumToStringDigits20(vY));
if (isDown) {
rectData[1] = { x: coord[0], y: coord[1] };
updateRect();
}
})
.on('mouseup', function () {
if (rectData[0].x == rectData[1].x &&
rectData[0].y == rectData[1].y &&
rectangleElement.attr('style').indexOf('visible') >= 0) {
setDefault();
rectangleElement.style({visibility: 'hidden'});
} else {
xMinC.val(prettyNumToStringDigits20(pixelToX(Math.min(rectData[0].x, rectData[1].x))));
xMaxC.val(prettyNumToStringDigits20(pixelToX(Math.max(rectData[0].x, rectData[1].x))));
yMinC.val(prettyNumToStringDigits20(pixelToY(Math.max(rectData[0].y, rectData[1].y))));
yMaxC.val(prettyNumToStringDigits20(pixelToY(Math.min(rectData[0].y, rectData[1].y))));
}
isDown = false;
});
function plotLine(plot) {
/*
* Graph a line
*
* Part of this function is adapted from
* http://jsfiddle.net/christopheviau/Hwpe3/
*/
var options = plot.options;
var points = plot.line;
var line = d3.svg.line()
.x(function (d) { return xToPixel(d[0]); })
.y(function (d) { return yToPixel(d[1]); });
canvas
.append('path')
.attr('d', line(points))
.style({'stroke': options.color, 'stroke-width': 1, 'fill': 'none'});
}
function plotPoints(points) {
/*
* Plot data points (scatter plot)
*
* Part of this function is adapted from
* http://alignedleft.com/tutorials/d3/making-a-scatterplot
*/
var tip = d3tip(detached)
.attr('class', 'd3-tip')
.direction('e')
.offset([0, 20])
.html(function (d) {
var x = prettyNumToStringDigits9(d[0]);
var y = prettyNumToStringDigits9(d[1]);
return 'x: ' + x.toString() + '<br />' +
'y: ' + y.toString() + '<br />';
});
canvas.call(tip);
canvas
.selectAll('circle')
.data(points)
.enter()
.append('circle')
.attr('cx', function (d) { return xToPixel(d[0]); })
.attr('cy', function (d) { return yToPixel(d[1]); })
.attr('r', function (d) { return d[2].size; })
.style('fill', function (d) { return d[2].color; })
.style('opacity', function (d) { return d[2].opacity; })
.on('mouseover', function (d) {
if (d[2].tip) {
tip.show.apply(this, arguments);
}
})
.on('mouseout', function (d) {
if (d[2].tip) {
tip.hide.apply(this, arguments);
}
});
}
plotPoints(scatterPlots);
linePlots.forEach(plotLine);
stylizeTip(detached);
return callBigBang(
detached,
restarter,
resizer,
windowOptions,
dimension,
function (restarter) {
imageReturn(detached, restarter, function (image) {
return RUNTIME.ffi.makeRight(image);
});
},
function (restarter) {
redraw.click(function () {
var newWindow = getNewWindow();
if (newWindow === null) { return; }
var toRet = RUNTIME.ffi.makeLeft(
RUNTIME.extendObj(
RUNTIME.makeSrcloc("dummy location"),
windowOptions,
newWindow
)
);
RUNTIME.getParam('remove-d3-port')();
restarter.resume(toRet);
});
}
);
}
function plotMulti(restarter, windowOptions, lstOfScatterPlots, lstOfLinePlots) {
var xMin = gf(windowOptions, '_x-min');
var xMax = gf(windowOptions, '_x-max');
var yMin = gf(windowOptions, '_y-min');
var yMax = gf(windowOptions, '_y-max');
function inBound(p) {
return jsnums.lessThanOrEqual(xMin, p[0], RUNTIME.NumberErrbacks) &&
jsnums.lessThanOrEqual(p[0], xMax, RUNTIME.NumberErrbacks) &&
jsnums.lessThanOrEqual(yMin, p[1], RUNTIME.NumberErrbacks) &&
jsnums.lessThanOrEqual(p[1], yMax, RUNTIME.NumberErrbacks);
}
function dist(a, b) {
return jsnums.add(
jsnums.sqr(jsnums.subtract(a[0], b[0], RUNTIME.NumberErrbacks)),
jsnums.sqr(jsnums.subtract(a[1], b[1], RUNTIME.NumberErrbacks)), RUNTIME.NumberErrbacks);
}
function nearest(candidates, origin) {
var ans = null;
var optimal = null;
candidates.forEach(function (candidate) {
var distance = dist(candidate, origin);
if (optimal === null || jsnums.lessThan(distance, optimal, RUNTIME.NumberErrbacks)) {
optimal = distance;
ans = candidate;
}
});
return ans;
}
function equal(a, b) {
return jsnums.lessThanOrEqual(a, b, RUNTIME.NumberErrbacks) && jsnums.lessThanOrEqual(b, a, RUNTIME.NumberErrbacks);
}
function findPointOnEdge(near, far) {
/*
Find a Posn on the border and on the line between `near` and `far`. If there are many,
pick the one closest to `near`.
Precondition: at least one of `near` or `far` is not in the border.
*/
var pxMax = RUNTIME.num_min(RUNTIME.num_max(near[0], far[0]), xMax);
var pxMin = RUNTIME.num_max(RUNTIME.num_min(near[0], far[0]), xMin);
var pyMax = RUNTIME.num_min(RUNTIME.num_max(near[1], far[1]), yMax);
var pyMin = RUNTIME.num_max(RUNTIME.num_min(near[1], far[1]), yMin);
var candidates = [];
if (equal(near[0], far[0])) {
candidates = [
[near[0], yMin],
[near[0], yMax]
];
} else {
/*
y = m * x + c [3]
y2 = m * x2 + c [3.1]
y - y2 = m * (x - x2) [5] [by 3 - 3.1]
m = (y - y2) / (x - x2) [1] [rewrite 5]
c = y - m * x [2] [rewrite 3]
x = (y - c) / m [4] [rewrite 3]
*/
var m = jsnums.divide(jsnums.subtract(near[1], far[1], RUNTIME.NumberErrbacks), jsnums.subtract(near[0], far[0], RUNTIME.NumberErrbacks));
var c = jsnums.subtract(near[1], jsnums.multiply(m, near[0], RUNTIME.NumberErrbacks), RUNTIME.NumberErrbacks);
var f = function (x) {
return jsnums.add(jsnums.multiply(m, x, RUNTIME.NumberErrbacks), c, RUNTIME.NumberErrbacks);
};
var g = function (y) {
return jsnums.divide(jsnums.subtract(y, c, RUNTIME.NumberErrbacks), m, RUNTIME.NumberErrbacks);
};
candidates = [
[xMin, f(xMin)],
[xMax, f(xMax)]
];
if (!equal(m, 0)) {
candidates = candidates.concat([
[g(yMin), yMin],
[g(yMax), yMax]
]);
}
}
return nearest(candidates.filter(function (p) {
return jsnums.lessThanOrEqual(pxMin, p[0], RUNTIME.NumberErrbacks) &&
jsnums.lessThanOrEqual(p[0], pxMax, RUNTIME.NumberErrbacks) &&
jsnums.lessThanOrEqual(pyMin, p[1], RUNTIME.NumberErrbacks) &&
jsnums.lessThanOrEqual(p[1], pyMax, RUNTIME.NumberErrbacks);
}), near);
}
function pointEqual(x, y) {
return equal(x[0], y[0]) && equal(x[1], y[1]);
}
function toJSOptions(options) {
return {
color: CLIB.libColor.convertColor(gf(options, 'color')),
size: jsnums.toFixnum(gf(options, 'size'), RUNTIME.NumberErrbacks),
opacity: jsnums.toFixnum(gf(options, 'opacity'), RUNTIME.NumberErrbacks),
tip: RUNTIME.isPyretTrue(gf(options, 'tip')),
};
}
var scatterPoints = [];
RUNTIME.ffi.toArray(lstOfScatterPlots).forEach(function (scatterPlot) {
var points = gf(scatterPlot, 'points');
var options = toJSOptions(gf(scatterPlot, 'options'));
points.forEach(function (point) {
if (inBound(point)) {
scatterPoints.push(point.concat([options]));
}
});
});
var linePlots = [];
RUNTIME.ffi.toArray(lstOfLinePlots).forEach(function (linePlot) {
var i;
var points = gf(linePlot, 'points');
var options = toJSOptions(gf(linePlot, 'options'));
// To have a line, we need at least two points. If there are less than
// two points, let's just do nothing
if (points.length <= 1) {
return;
}
var segments = [];
for (i = 0; i < points.length - 1; i++) {
var start = points[i];
var stop = points[i + 1];
if (inBound(start)) {
if (inBound(stop)) {
segments.push([start, stop]);
} else {
segments.push([start, findPointOnEdge(start, stop)]);
}
} else {
if (inBound(stop)) {
segments.push([findPointOnEdge(start, stop), stop]);
} else {
var result = findPointOnEdge(start, stop);
if (result !== null) {
var result2 = findPointOnEdge(stop, start);
segments.push([result, result2]);
}
}
}
}
// If there is no visible segment, do nothing
if (segments.length === 0) {
return;
}
var combined = [segments[0]];
for (i = 1; i < segments.length; i++) {
var currentSegment = segments[i];
var lastSegment = combined[combined.length - 1];
var lastPoint = lastSegment[lastSegment.length - 1];
if (pointEqual(lastPoint, currentSegment[0])) {
lastSegment.push(currentSegment[1]);
} else {
combined.push(currentSegment);
}
}
combined.forEach(function (segment) {
linePlots.push({
line: segment,
options: options
});
});
});
return genericPlot(restarter, windowOptions, scatterPoints, linePlots);
}
function histogram(restarter, windowOptions, tab, n) {
/*
* Plot a histogram
*
* Part of this function is adapted from
* http://www.frankcleary.com/making-an-interactive-histogram-in-d3-js/
*/
function resizer(restarter, windowOptions) {
histogram(restarter, windowOptions, tab, n);
}
var data = tab.map(function (row){ return row[0]; });
var xMin = data.reduce(libNum.numMin);
var xMax = data.reduce(libNum.numMax);
var dataScaler = libNum.scaler(xMin, xMax, 0, 1, true);
var histogramData = d3.layout.histogram()
.bins(n).value(dataScaler)(data);
var yMax = d3.max(histogramData, function (d) { return d.y; });
var dimension = getDimension({
minWindowWidth: 480,
minWindowHeight: 430,
marginLeft: 80,
marginRight: 80,
marginTop: 55,
marginBottom: 20,
mode: 'top-left',
}, windowOptions),
width = dimension.width,
height = dimension.height,
detached = createDiv(),
canvas = createCanvas(detached, dimension);
appendAxis(xMin, xMax, 0, yMax, width, height, windowOptions, canvas, true);
canvas
.append('rect')
.attr('width', width)
.attr('height', height)
.attr('class', 'overlay');
var x = d3.scale.linear()
.domain([0, 1])
.range([0, width]);
var y = d3.scale.linear()
.domain([0, d3.max(histogramData, function (d) { return d.y; })])
.range([height, 0]);
var prettyNumToStringDigits7 = libNum.getPrettyNumToStringDigits(7);
var tip = d3tip(detached)
.attr('class', 'd3-tip')
.direction('e')
.offset([0, 20])
.html(function (d) {
var maxVal = prettyNumToStringDigits7(d.reduce(libNum.numMax), 6);
var minVal = prettyNumToStringDigits7(d.reduce(libNum.numMin), 6);
return 'min: ' + minVal.toString() + '<br />' +
'max: ' + maxVal.toString() + '<br />' +
'freq: ' + d.y;
});
canvas.call(tip);
var bar = canvas.selectAll('.bar')
.data(histogramData)
.enter().append('g')
.attr('class', 'bar')
.on('mouseover', tip.show)
.on('mouseout', tip.hide);
bar.append('rect')
.attr('x', function (d) { return x(d.x); })
.attr('y', function (d) { return y(d.y); })
.attr('width', x(histogramData[0].dx) - 1)
.attr('height', function (d) { return height - y(d.y); });
canvas.selectAll('.bar rect')
.style({
'fill': 'steelblue',
'fill-opacity': '0.8',
'shape-rendering': 'crispEdges'
})
.on('mouseover', function () {
d3.select(this).style('fill', 'black');
})
.on('mouseout', function () {
d3.select(this).style('fill', 'steelblue');
});
stylizeTip(detached);
return callBigBang(detached, restarter, resizer, windowOptions, dimension, null, null);
}
function pieChart(restarter, windowOptions, tab) {
/*
* Pie Chart
*
* Part of this function is adapted from:
* http://bl.ocks.org/mbostock/3887235
*
* row[0] => label, row[1] => value
*/
function resizer(restarter, windowOptions) {
pieChart(restarter, windowOptions, tab);
}
var sum = tab.map(function (row) { return row[1]; })
.reduce(function (a, b) {
return jsnums.add(a, b, RUNTIME.NumberErrbacks);
});
var valueScaler = libNum.scaler(0, sum, 0, 100, true);
var dimension = getDimension({
minWindowWidth: 700,
minWindowHeight: 550,
outerMarginLeft: 10,
outerMarginRight: 10,
marginLeft: 120,
marginRight: 120,
marginTop: 90,
marginBottom: 40,
mode: 'center',
}, windowOptions),
width = dimension.width,
height = dimension.height,
detached = createDiv(),
canvas = createCanvas(detached, dimension);
var maxRadius = Math.min(width, height) / 2;
var maxRadiusValue = tab.map(function (row) { return row[2]; })
.reduce(libNum.numMax);
var radiusScaler = libNum.scaler(0, maxRadiusValue, 0, maxRadius, true);
var color = d3.scale.category20();
var arc = d3.svg.arc()
.outerRadius(function (row) { return radiusScaler(row.data[2]); })
.innerRadius(0);
var pie = d3.layout.pie()
.sort(null)
.value(function (row) { return valueScaler(row[1]); });
var prettyNumToStringDigits9 = libNum.getPrettyNumToStringDigits(9);
var tip = d3tip(detached)
.attr('class', 'd3-tip')
.direction('e')
.offset([0, 20])
.html(function (d) {
return 'value: <br />' + prettyNumToStringDigits9(d.data[1]) + '<br />' +
'percent: <br />' + prettyNumToStringDigits9(valueScaler(d.data[1])) + '%';
});
canvas.call(tip);
var g = canvas.selectAll('.arc')
.data(pie(tab))
.enter().append('g')
.attr('class', 'arc');
g.append('path').attr('class', 'path').attr('d', arc);
const arc2 = d3.svg.arc();
g.append('path').attr('class', 'transparent').attr('d', arc);
g.append('text')
.attr('transform', function (d) {
const r = radiusScaler(d.data[2]);
d.outerRadius = r + 15;
d.innerRadius = r + 10;
return svgTranslate(arc2.centroid(d));
})
.attr('dy', '.35em')
.style('text-anchor', function(d) {
const placement = arc2.centroid(d)[0];
if (-10 <= placement && placement <= 10) {
return 'middle';
}
return (placement >= 0) ? 'start' : 'end';
})
.text(function (d) { return d.data[0]; });
canvas.selectAll('.arc path')
.style({
fill: function (d, i) { return color(i); }
})
.on('mouseover', function (e) {
d3.select(this.parentNode)
.selectAll('.path')
.style('opacity', '0.4');
tip.show(e);
})
.on('mouseout', function (e) {