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histology-pie.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>sund2b</title>
<script>(function() {
// If window.HTMLWidgets is already defined, then use it; otherwise create a
// new object. This allows preceding code to set options that affect the
// initialization process (though none currently exist).
window.HTMLWidgets = window.HTMLWidgets || {};
// See if we're running in a viewer pane. If not, we're in a web browser.
var viewerMode = window.HTMLWidgets.viewerMode =
/\bviewer_pane=1\b/.test(window.location);
// See if we're running in Shiny mode. If not, it's a static document.
// Note that static widgets can appear in both Shiny and static modes, but
// obviously, Shiny widgets can only appear in Shiny apps/documents.
var shinyMode = window.HTMLWidgets.shinyMode =
typeof(window.Shiny) !== "undefined" && !!window.Shiny.outputBindings;
// We can't count on jQuery being available, so we implement our own
// version if necessary.
function querySelectorAll(scope, selector) {
if (typeof(jQuery) !== "undefined" && scope instanceof jQuery) {
return scope.find(selector);
}
if (scope.querySelectorAll) {
return scope.querySelectorAll(selector);
}
}
function asArray(value) {
if (value === null)
return [];
if ($.isArray(value))
return value;
return [value];
}
// Implement jQuery's extend
function extend(target /*, ... */) {
if (arguments.length == 1) {
return target;
}
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var prop in source) {
if (source.hasOwnProperty(prop)) {
target[prop] = source[prop];
}
}
}
return target;
}
// IE8 doesn't support Array.forEach.
function forEach(values, callback, thisArg) {
if (values.forEach) {
values.forEach(callback, thisArg);
} else {
for (var i = 0; i < values.length; i++) {
callback.call(thisArg, values[i], i, values);
}
}
}
// Replaces the specified method with the return value of funcSource.
//
// Note that funcSource should not BE the new method, it should be a function
// that RETURNS the new method. funcSource receives a single argument that is
// the overridden method, it can be called from the new method. The overridden
// method can be called like a regular function, it has the target permanently
// bound to it so "this" will work correctly.
function overrideMethod(target, methodName, funcSource) {
var superFunc = target[methodName] || function() {};
var superFuncBound = function() {
return superFunc.apply(target, arguments);
};
target[methodName] = funcSource(superFuncBound);
}
// Add a method to delegator that, when invoked, calls
// delegatee.methodName. If there is no such method on
// the delegatee, but there was one on delegator before
// delegateMethod was called, then the original version
// is invoked instead.
// For example:
//
// var a = {
// method1: function() { console.log('a1'); }
// method2: function() { console.log('a2'); }
// };
// var b = {
// method1: function() { console.log('b1'); }
// };
// delegateMethod(a, b, "method1");
// delegateMethod(a, b, "method2");
// a.method1();
// a.method2();
//
// The output would be "b1", "a2".
function delegateMethod(delegator, delegatee, methodName) {
var inherited = delegator[methodName];
delegator[methodName] = function() {
var target = delegatee;
var method = delegatee[methodName];
// The method doesn't exist on the delegatee. Instead,
// call the method on the delegator, if it exists.
if (!method) {
target = delegator;
method = inherited;
}
if (method) {
return method.apply(target, arguments);
}
};
}
// Implement a vague facsimilie of jQuery's data method
function elementData(el, name, value) {
if (arguments.length == 2) {
return el["htmlwidget_data_" + name];
} else if (arguments.length == 3) {
el["htmlwidget_data_" + name] = value;
return el;
} else {
throw new Error("Wrong number of arguments for elementData: " +
arguments.length);
}
}
// http://stackoverflow.com/questions/3446170/escape-string-for-use-in-javascript-regex
function escapeRegExp(str) {
return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
}
function hasClass(el, className) {
var re = new RegExp("\\b" + escapeRegExp(className) + "\\b");
return re.test(el.className);
}
// elements - array (or array-like object) of HTML elements
// className - class name to test for
// include - if true, only return elements with given className;
// if false, only return elements *without* given className
function filterByClass(elements, className, include) {
var results = [];
for (var i = 0; i < elements.length; i++) {
if (hasClass(elements[i], className) == include)
results.push(elements[i]);
}
return results;
}
function on(obj, eventName, func) {
if (obj.addEventListener) {
obj.addEventListener(eventName, func, false);
} else if (obj.attachEvent) {
obj.attachEvent(eventName, func);
}
}
function off(obj, eventName, func) {
if (obj.removeEventListener)
obj.removeEventListener(eventName, func, false);
else if (obj.detachEvent) {
obj.detachEvent(eventName, func);
}
}
// Translate array of values to top/right/bottom/left, as usual with
// the "padding" CSS property
// https://developer.mozilla.org/en-US/docs/Web/CSS/padding
function unpackPadding(value) {
if (typeof(value) === "number")
value = [value];
if (value.length === 1) {
return {top: value[0], right: value[0], bottom: value[0], left: value[0]};
}
if (value.length === 2) {
return {top: value[0], right: value[1], bottom: value[0], left: value[1]};
}
if (value.length === 3) {
return {top: value[0], right: value[1], bottom: value[2], left: value[1]};
}
if (value.length === 4) {
return {top: value[0], right: value[1], bottom: value[2], left: value[3]};
}
}
// Convert an unpacked padding object to a CSS value
function paddingToCss(paddingObj) {
return paddingObj.top + "px " + paddingObj.right + "px " + paddingObj.bottom + "px " + paddingObj.left + "px";
}
// Makes a number suitable for CSS
function px(x) {
if (typeof(x) === "number")
return x + "px";
else
return x;
}
// Retrieves runtime widget sizing information for an element.
// The return value is either null, or an object with fill, padding,
// defaultWidth, defaultHeight fields.
function sizingPolicy(el) {
var sizingEl = document.querySelector("script[data-for='" + el.id + "'][type='application/htmlwidget-sizing']");
if (!sizingEl)
return null;
var sp = JSON.parse(sizingEl.textContent || sizingEl.text || "{}");
if (viewerMode) {
return sp.viewer;
} else {
return sp.browser;
}
}
// @param tasks Array of strings (or falsy value, in which case no-op).
// Each element must be a valid JavaScript expression that yields a
// function. Or, can be an array of objects with "code" and "data"
// properties; in this case, the "code" property should be a string
// of JS that's an expr that yields a function, and "data" should be
// an object that will be added as an additional argument when that
// function is called.
// @param target The object that will be "this" for each function
// execution.
// @param args Array of arguments to be passed to the functions. (The
// same arguments will be passed to all functions.)
function evalAndRun(tasks, target, args) {
if (tasks) {
forEach(tasks, function(task) {
var theseArgs = args;
if (typeof(task) === "object") {
theseArgs = theseArgs.concat([task.data]);
task = task.code;
}
var taskFunc = eval("(" + task + ")");
if (typeof(taskFunc) !== "function") {
throw new Error("Task must be a function! Source:\n" + task);
}
taskFunc.apply(target, theseArgs);
});
}
}
function initSizing(el) {
var sizing = sizingPolicy(el);
if (!sizing)
return;
var cel = document.getElementById("htmlwidget_container");
if (!cel)
return;
if (typeof(sizing.padding) !== "undefined") {
document.body.style.margin = "0";
document.body.style.padding = paddingToCss(unpackPadding(sizing.padding));
}
if (sizing.fill) {
document.body.style.overflow = "hidden";
document.body.style.width = "100%";
document.body.style.height = "100%";
document.documentElement.style.width = "100%";
document.documentElement.style.height = "100%";
if (cel) {
cel.style.position = "absolute";
var pad = unpackPadding(sizing.padding);
cel.style.top = pad.top + "px";
cel.style.right = pad.right + "px";
cel.style.bottom = pad.bottom + "px";
cel.style.left = pad.left + "px";
el.style.width = "100%";
el.style.height = "100%";
}
return {
getWidth: function() { return cel.offsetWidth; },
getHeight: function() { return cel.offsetHeight; }
};
} else {
el.style.width = px(sizing.width);
el.style.height = px(sizing.height);
return {
getWidth: function() { return el.offsetWidth; },
getHeight: function() { return el.offsetHeight; }
};
}
}
// Default implementations for methods
var defaults = {
find: function(scope) {
return querySelectorAll(scope, "." + this.name);
},
renderError: function(el, err) {
var $el = $(el);
this.clearError(el);
// Add all these error classes, as Shiny does
var errClass = "shiny-output-error";
if (err.type !== null) {
// use the classes of the error condition as CSS class names
errClass = errClass + " " + $.map(asArray(err.type), function(type) {
return errClass + "-" + type;
}).join(" ");
}
errClass = errClass + " htmlwidgets-error";
// Is el inline or block? If inline or inline-block, just display:none it
// and add an inline error.
var display = $el.css("display");
$el.data("restore-display-mode", display);
if (display === "inline" || display === "inline-block") {
$el.hide();
if (err.message !== "") {
var errorSpan = $("<span>").addClass(errClass);
errorSpan.text(err.message);
$el.after(errorSpan);
}
} else if (display === "block") {
// If block, add an error just after the el, set visibility:none on the
// el, and position the error to be on top of the el.
// Mark it with a unique ID and CSS class so we can remove it later.
$el.css("visibility", "hidden");
if (err.message !== "") {
var errorDiv = $("<div>").addClass(errClass).css("position", "absolute")
.css("top", el.offsetTop)
.css("left", el.offsetLeft)
// setting width can push out the page size, forcing otherwise
// unnecessary scrollbars to appear and making it impossible for
// the element to shrink; so use max-width instead
.css("maxWidth", el.offsetWidth)
.css("height", el.offsetHeight);
errorDiv.text(err.message);
$el.after(errorDiv);
// Really dumb way to keep the size/position of the error in sync with
// the parent element as the window is resized or whatever.
var intId = setInterval(function() {
if (!errorDiv[0].parentElement) {
clearInterval(intId);
return;
}
errorDiv
.css("top", el.offsetTop)
.css("left", el.offsetLeft)
.css("maxWidth", el.offsetWidth)
.css("height", el.offsetHeight);
}, 500);
}
}
},
clearError: function(el) {
var $el = $(el);
var display = $el.data("restore-display-mode");
$el.data("restore-display-mode", null);
if (display === "inline" || display === "inline-block") {
if (display)
$el.css("display", display);
$(el.nextSibling).filter(".htmlwidgets-error").remove();
} else if (display === "block"){
$el.css("visibility", "inherit");
$(el.nextSibling).filter(".htmlwidgets-error").remove();
}
},
sizing: {}
};
// Called by widget bindings to register a new type of widget. The definition
// object can contain the following properties:
// - name (required) - A string indicating the binding name, which will be
// used by default as the CSS classname to look for.
// - initialize (optional) - A function(el) that will be called once per
// widget element; if a value is returned, it will be passed as the third
// value to renderValue.
// - renderValue (required) - A function(el, data, initValue) that will be
// called with data. Static contexts will cause this to be called once per
// element; Shiny apps will cause this to be called multiple times per
// element, as the data changes.
window.HTMLWidgets.widget = function(definition) {
if (!definition.name) {
throw new Error("Widget must have a name");
}
if (!definition.type) {
throw new Error("Widget must have a type");
}
// Currently we only support output widgets
if (definition.type !== "output") {
throw new Error("Unrecognized widget type '" + definition.type + "'");
}
// TODO: Verify that .name is a valid CSS classname
// Support new-style instance-bound definitions. Old-style class-bound
// definitions have one widget "object" per widget per type/class of
// widget; the renderValue and resize methods on such widget objects
// take el and instance arguments, because the widget object can't
// store them. New-style instance-bound definitions have one widget
// object per widget instance; the definition that's passed in doesn't
// provide renderValue or resize methods at all, just the single method
// factory(el, width, height)
// which returns an object that has renderValue(x) and resize(w, h).
// This enables a far more natural programming style for the widget
// author, who can store per-instance state using either OO-style
// instance fields or functional-style closure variables (I guess this
// is in contrast to what can only be called C-style pseudo-OO which is
// what we required before).
if (definition.factory) {
definition = createLegacyDefinitionAdapter(definition);
}
if (!definition.renderValue) {
throw new Error("Widget must have a renderValue function");
}
// For static rendering (non-Shiny), use a simple widget registration
// scheme. We also use this scheme for Shiny apps/documents that also
// contain static widgets.
window.HTMLWidgets.widgets = window.HTMLWidgets.widgets || [];
// Merge defaults into the definition; don't mutate the original definition.
var staticBinding = extend({}, defaults, definition);
overrideMethod(staticBinding, "find", function(superfunc) {
return function(scope) {
var results = superfunc(scope);
// Filter out Shiny outputs, we only want the static kind
return filterByClass(results, "html-widget-output", false);
};
});
window.HTMLWidgets.widgets.push(staticBinding);
if (shinyMode) {
// Shiny is running. Register the definition with an output binding.
// The definition itself will not be the output binding, instead
// we will make an output binding object that delegates to the
// definition. This is because we foolishly used the same method
// name (renderValue) for htmlwidgets definition and Shiny bindings
// but they actually have quite different semantics (the Shiny
// bindings receive data that includes lots of metadata that it
// strips off before calling htmlwidgets renderValue). We can't
// just ignore the difference because in some widgets it's helpful
// to call this.renderValue() from inside of resize(), and if
// we're not delegating, then that call will go to the Shiny
// version instead of the htmlwidgets version.
// Merge defaults with definition, without mutating either.
var bindingDef = extend({}, defaults, definition);
// This object will be our actual Shiny binding.
var shinyBinding = new Shiny.OutputBinding();
// With a few exceptions, we'll want to simply use the bindingDef's
// version of methods if they are available, otherwise fall back to
// Shiny's defaults. NOTE: If Shiny's output bindings gain additional
// methods in the future, and we want them to be overrideable by
// HTMLWidget binding definitions, then we'll need to add them to this
// list.
delegateMethod(shinyBinding, bindingDef, "getId");
delegateMethod(shinyBinding, bindingDef, "onValueChange");
delegateMethod(shinyBinding, bindingDef, "onValueError");
delegateMethod(shinyBinding, bindingDef, "renderError");
delegateMethod(shinyBinding, bindingDef, "clearError");
delegateMethod(shinyBinding, bindingDef, "showProgress");
// The find, renderValue, and resize are handled differently, because we
// want to actually decorate the behavior of the bindingDef methods.
shinyBinding.find = function(scope) {
var results = bindingDef.find(scope);
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scheduleStaticRender();
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Shiny.renderDependencies(data.deps);
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for (var i = 0; data.evals && i < data.evals.length; i++) {
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return;
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initSizing(el);
elementData(el, "initialized", true);
if (bindingDef.initialize) {
var result = bindingDef.initialize(el, el.offsetWidth,
el.offsetHeight);
elementData(el, "init_result", result);
}
}
bindingDef.renderValue(el, data.x, elementData(el, "init_result"));
evalAndRun(data.jsHooks.render, elementData(el, "init_result"), [el, data.x]);
};
// Only override resize if bindingDef implements it
if (bindingDef.resize) {
shinyBinding.resize = function(el, width, height) {
// Shiny can call resize before initialize/renderValue have been
// called, which doesn't make sense for widgets.
if (elementData(el, "initialized")) {
bindingDef.resize(el, width, height, elementData(el, "init_result"));
}
};
}
Shiny.outputBindings.register(shinyBinding, bindingDef.name);
}
};
var scheduleStaticRenderTimerId = null;
function scheduleStaticRender() {
if (!scheduleStaticRenderTimerId) {
scheduleStaticRenderTimerId = setTimeout(function() {
scheduleStaticRenderTimerId = null;
window.HTMLWidgets.staticRender();
}, 1);
}
}
// Render static widgets after the document finishes loading
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window.HTMLWidgets.staticRender = function() {
var bindings = window.HTMLWidgets.widgets || [];
forEach(bindings, function(binding) {
var matches = binding.find(document.documentElement);
forEach(matches, function(el) {
var sizeObj = initSizing(el, binding);
if (hasClass(el, "html-widget-static-bound"))
return;
el.className = el.className + " html-widget-static-bound";
var initResult;
if (binding.initialize) {
initResult = binding.initialize(el,
sizeObj ? sizeObj.getWidth() : el.offsetWidth,
sizeObj ? sizeObj.getHeight() : el.offsetHeight
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elementData(el, "init_result", initResult);
}
if (binding.resize) {
var lastSize = {
w: sizeObj ? sizeObj.getWidth() : el.offsetWidth,
h: sizeObj ? sizeObj.getHeight() : el.offsetHeight
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var resizeHandler = function(e) {
var size = {
w: sizeObj ? sizeObj.getWidth() : el.offsetWidth,
h: sizeObj ? sizeObj.getHeight() : el.offsetHeight
};
if (size.w === 0 && size.h === 0)
return;
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lastSize = size;
binding.resize(el, size.w, size.h, initResult);
};
on(window, "resize", resizeHandler);
// This is needed for cases where we're running in a Shiny
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window.jQuery(document).on(
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resizeHandler
);
window.jQuery(document).on(
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);
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// This is needed for the specific case of ioslides, which
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on(document, "slideleave", resizeHandler);
}
}
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if (scriptData) {
var data = JSON.parse(scriptData.textContent || scriptData.text);
// Resolve strings marked as javascript literals to objects
if (!(data.evals instanceof Array)) data.evals = [data.evals];
for (var k = 0; data.evals && k < data.evals.length; k++) {
window.HTMLWidgets.evaluateStringMember(data.x, data.evals[k]);
}
binding.renderValue(el, data.x, initResult);
evalAndRun(data.jsHooks.render, initResult, [el, data.x]);
}
});
});
invokePostRenderHandlers();
}
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if (document.addEventListener) {
document.addEventListener("DOMContentLoaded", function() {
document.removeEventListener("DOMContentLoaded", arguments.callee, false);
window.HTMLWidgets.staticRender();
}, false);
} else if (document.attachEvent) {
document.attachEvent("onreadystatechange", function() {
if (document.readyState === "complete") {
document.detachEvent("onreadystatechange", arguments.callee);
window.HTMLWidgets.staticRender();
}
});
}
window.HTMLWidgets.getAttachmentUrl = function(depname, key) {
// If no key, default to the first item
if (typeof(key) === "undefined")
key = 1;
var link = document.getElementById(depname + "-" + key + "-attachment");
if (!link) {
throw new Error("Attachment " + depname + "/" + key + " not found in document");
}
return link.getAttribute("href");
};
window.HTMLWidgets.dataframeToD3 = function(df) {
var names = [];
var length;
for (var name in df) {
if (df.hasOwnProperty(name))
names.push(name);
if (typeof(df[name]) !== "object" || typeof(df[name].length) === "undefined") {
throw new Error("All fields must be arrays");
} else if (typeof(length) !== "undefined" && length !== df[name].length) {
throw new Error("All fields must be arrays of the same length");
}
length = df[name].length;
}
var results = [];
var item;
for (var row = 0; row < length; row++) {
item = {};
for (var col = 0; col < names.length; col++) {
item[names[col]] = df[names[col]][row];
}
results.push(item);
}
return results;
};
window.HTMLWidgets.transposeArray2D = function(array) {
if (array.length === 0) return array;
var newArray = array[0].map(function(col, i) {
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return row[i]
})
});
return newArray;
};
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function splitWithEscape(value, splitChar, escapeChar) {
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results.push(currentResult);
currentResult = "";
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escapeMode = true;
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currentResult += value[pos];
}
} else {
currentResult += value[pos];
escapeMode = false;
}
}
if (currentResult !== "") {
results.push(currentResult);
}
return results;
}
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window.HTMLWidgets.evaluateStringMember = function(o, member) {
var parts = splitWithEscape(member, '.', '\\');
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o = o[part];
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}
}
};
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window.HTMLWidgets.getInstance = function(el) {
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};
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window.HTMLWidgets.find = function(scope, selector) {
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selector = scope;
scope = document;
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var el = scope.querySelector(selector);
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return results;
};
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var handler = postRenderHandlers.shift();
if (handler) {
handler();
}
}
}
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window.HTMLWidgets.addPostRenderHandler = function(callback) {
postRenderHandlers.push(callback);
};
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// old-style class-bound definition. This saves us from having
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function createLegacyDefinitionAdapter(defn) {
var result = {
name: defn.name,
type: defn.type,
initialize: function(el, width, height) {
return defn.factory(el, width, height);
},
renderValue: function(el, x, instance) {
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},
resize: function(el, width, height, instance) {
return instance.resize(width, height);
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};
if (defn.find)
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if (defn.renderError)
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if (defn.clearError)
result.clearError = defn.clearError;
return result;
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2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Sc.prototype={areaStart:Tc,areaEnd:Tc,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ac.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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2:this._point=3,this._x5=t,this._y5=n;break;default:Cc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var S_=function t(n){function e(t){return new Pc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Rc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Cc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var E_=function t(n){function e(t){return new Rc(t,n)}return 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n?new Uc(t,n):new Rc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Oc.prototype={areaStart:Tc,areaEnd:Tc,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}},Hc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Bc(this,this._t0,Yc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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var version = "0.5.5";
function functor(v) {
return typeof v === 'function' ? v : function () {
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};
}