[ Launch: Tributary inlet ] 7288165 by RobinL
-
-
Save RobinL/7288165 to your computer and use it in GitHub Desktop.
Tributary inlet
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{"description":"Tributary inlet","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"pingpong","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01} |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
root = { | |
"name": "Chicago Data Portal", | |
"children": [ | |
{ | |
"name": "FOIA", | |
"value":20, | |
"children": [ | |
{ | |
"url": "https://data.cityofchicago.org/FOIA/FOIA-Request-Log-Fleet-Facility-Management/nd4p-ckx9", | |
"name": "FOIA Log - Fleet & Facility Management", | |
"size": 104, | |
"value": 8.98386130841285 | |
}, | |
{ | |
"url": "https://data.cityofchicago.org/FOIA/FOIA-Request-Log-Cultural-Affairs-Special-Events/ikdf-ernx", | |
"name": "FOIA Log - Cultural Affairs & Special Events", | |
"size": 41, | |
"value": 3.713572066704308 | |
} | |
] | |
},{ | |
"name": "Transportation", | |
"value": 39, | |
"children": [ | |
{ | |
"url": "https://data.cityofchicago.org/Transportation/Chicago-Traffic-Tracker-Historical-Congestion-Esti/77hq-huss", | |
"name": "Chicago Traffic Tracker - Historical Congestion Estimates by Segment", | |
"size": 6768091, | |
"value": 15.727729625804281 | |
}, | |
{ | |
"url": "https://data.cityofchicago.org/Transportation/Chicago-Traffic-Tracker-Historical-Congestion-Esti/emtn-qqdi", | |
"name": "Chicago Traffic Tracker - Historical Congestion Estimates by Region", | |
"size": 2168225, | |
"value": 14.589419418444487 | |
} | |
] | |
},{ | |
"name": "Historic Preservation", | |
"children": [ | |
{ | |
"url": "https://data.cityofchicago.org/Historic-Preservation/Landmark-Districts/zidz-sdfj", | |
"name": "Landmark Districts", | |
"size": 59, | |
"value": 4.07753744390572 | |
}, | |
{ | |
"url": "https://data.cityofchicago.org/Historic-Preservation/Individual-Landmarks/tdab-kixi", | |
"name": "Individual Landmarks", | |
"size": 317, | |
"value": 5.75890177387728 | |
} | |
] | |
},{ | |
"name": "Facilities & Geographic Boundaries", | |
"children": [ | |
{ | |
"url": "https://data.cityofchicago.org/Facilities-Geographic-Boundaries/Ward-Offices/htai-wnw4", | |
"name": "Ward Offices", | |
"size": 50, | |
"value": 3.912023005428146 | |
}, | |
{ | |
"url": "https://data.cityofchicago.org/Facilities-Geographic-Boundaries/Public-Technology-Resources/nen3-vcxj", | |
"name": "Public Technology Resources", | |
"size": 250, | |
"value": 5.521460917862246 | |
} | |
] | |
} | |
] | |
} | |
var margin = {top: 20, right: 0, bottom: 0, left: 0}, | |
width = 820, | |
height = 700 - margin.top - margin.bottom, | |
formatNumber = d3.format(",d"), | |
transitioning; | |
/* create x and y scales */ | |
var x = d3.scale.linear() | |
.domain([0, width]) | |
.range([0, width]); | |
var y = d3.scale.linear() | |
.domain([0, height]) | |
.range([0, height]); | |
var treemap = d3.layout.treemap() | |
.children(function(d, depth) { return depth ? null : d.children; }) | |
.sort(function(a, b) { return a.value - b.value; }) | |
.ratio(height / width * 0.5 * (1 + Math.sqrt(5))) | |
.round(false); | |
/* create svg */ | |
var svg = d3.select("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", height + margin.bottom + margin.top) | |
.style("margin-left", -margin.left + "px") | |
.style("margin.right", -margin.right + "px") | |
.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")") | |
.style("shape-rendering", "crispEdges"); | |
var color = d3.scale.category20c(); | |
var grandparent = svg.append("g") | |
.attr("class", "grandparent"); | |
grandparent.append("rect") | |
.attr("y", -margin.top) | |
.attr("width", width) | |
.attr("height", margin.top); | |
grandparent.append("text") | |
.attr("x", 6) | |
.attr("y", 6 - margin.top) | |
.attr("dy", ".75em"); | |
/* load in data, display root */ | |
initialize(root); | |
//accumulate(root); | |
layout(root); | |
display(root); | |
function initialize(root) { | |
root.x = root.y = 0; | |
root.dx = width; | |
root.dy = height; | |
root.depth = 0; | |
} | |
// Aggregate the values for internal nodes. This is normally done by the | |
// treemap layout, but not here because of the custom implementation. | |
function accumulate(d) { | |
return d.children | |
? d.value = d.children.reduce(function(p, v) { return p + accumulate(v); }, 0) | |
: d.value; | |
} | |
// Compute the treemap layout recursively such that each group of siblings | |
// uses the same size (1×1) rather than the dimensions of the parent cell. | |
// This optimizes the layout for the current zoom state. Note that a wrapper | |
// object is created for the parent node for each group of siblings so that | |
// the parent’s dimensions are not discarded as we recurse. Since each group | |
// of sibling was laid out in 1×1, we must rescale to fit using absolute | |
// coordinates. This lets us use a viewport to zoom. | |
function layout(d) { | |
if (d.children) { | |
treemap.nodes({children: d.children}); | |
d.children.forEach(function(c) { | |
c.x = d.x + c.x * d.dx; | |
c.y = d.y + c.y * d.dy; | |
c.dx *= d.dx; | |
c.dy *= d.dy; | |
c.parent = d; | |
layout(c); | |
}); | |
} | |
} | |
/* display shows the treemap and writes the embedded transition function */ | |
function display(d) { | |
/* create grandparent bar at top */ | |
grandparent | |
.datum(d.parent) | |
.on("click", transition) | |
.select("text") | |
.text(name(d)); | |
var g1 = svg.insert("g", ".grandparent") | |
.datum(d) | |
.attr("class", "depth"); | |
/* add in data */ | |
var g = g1.selectAll("g") | |
.data(d.children) | |
.enter().append("g"); | |
/* transition on child click */ | |
g.filter(function(d) { return d.children; }) | |
.classed("children", true) | |
.on("click", transition); | |
/* write children rectangles */ | |
g.selectAll(".child") | |
.data(function(d) { return d.children || [d]; }) | |
.enter().append("rect") | |
.attr("class", "child") | |
.call(rect) | |
.append("title") | |
.text(function(d) { return d.name + " " + formatNumber(d.size); }); | |
/* write parent rectangle */ | |
g.append("rect") | |
.attr("class", "parent") | |
.call(rect) | |
/* open new window based on the json's URL value for leaf nodes */ | |
/* Chrome displays this on top */ | |
.on("click", function(d) { | |
if(!d.children){ | |
window.open(d.url); | |
} | |
}) | |
.append("title") | |
.text(function(d) { return d.name + " " + formatNumber(d.size); }); /*should be d.value*/ | |
/* Adding a foreign object instead of a text object, allows for text wrapping */ | |
g.append("foreignObject") | |
.call(rect) | |
/* open new window based on the json's URL value for leaf nodes */ | |
/* Firefox displays this on top */ | |
.on("click", function(d) { | |
if(!d.children){ | |
window.open(d.url); | |
} | |
}) | |
.attr("class","foreignobj") | |
.append("xhtml:div") | |
.attr("dy", ".75em") | |
.html(function(d) { return d.name; | |
}) | |
.attr("class","textdiv"); //textdiv class allows us to style the text easily with CSS | |
/* create transition function for transitions */ | |
function transition(d) { | |
if (transitioning || !d) return; | |
transitioning = true; | |
var g2 = display(d), | |
t1 = g1.transition().duration(750), | |
t2 = g2.transition().duration(750); | |
// Update the domain only after entering new elements. | |
x.domain([d.x, d.x + d.dx]); | |
y.domain([d.y, d.y + d.dy]); | |
// Enable anti-aliasing during the transition. | |
svg.style("shape-rendering", null); | |
// Draw child nodes on top of parent nodes. | |
svg.selectAll(".depth").sort(function(a, b) { return a.depth - b.depth; }); | |
// Fade-in entering text. | |
g2.selectAll("text").style("fill-opacity", 0); | |
g2.selectAll("foreignObject div").style("display", "none"); /*added*/ | |
// Transition to the new view. | |
t1.selectAll("text").call(text).style("fill-opacity", 0); | |
t2.selectAll("text").call(text).style("fill-opacity", 1); | |
t1.selectAll("rect").call(rect); | |
t2.selectAll("rect").call(rect); | |
t1.selectAll(".textdiv").style("display", "none"); /* added */ | |
t1.selectAll(".foreignobj").call(foreign); /* added */ | |
t2.selectAll(".textdiv").style("display", "block"); /* added */ | |
t2.selectAll(".foreignobj").call(foreign); /* added */ | |
// Remove the old node when the transition is finished. | |
t1.remove().each("end", function() { | |
svg.style("shape-rendering", "crispEdges"); | |
transitioning = false; | |
}); | |
}//endfunc transition | |
return g; | |
}//endfunc display | |
function text(text) { | |
text.attr("x", function(d) { return x(d.x) + 6; }) | |
.attr("y", function(d) { return y(d.y) + 6; }); | |
} | |
function rect(rect) { | |
rect.attr("x", function(d) { return x(d.x); }) | |
.attr("y", function(d) { return y(d.y); }) | |
.attr("width", function(d) { return x(d.x + d.dx) - x(d.x); }) | |
.attr("height", function(d) { return y(d.y + d.dy) - y(d.y); }) | |
.style("background", function(d) { return d.parent ? color(d.name) : null; }); | |
} | |
function foreign(foreign){ /* added */ | |
foreign.attr("x", function(d) { return x(d.x); }) | |
.attr("y", function(d) { return y(d.y); }) | |
.attr("width", function(d) { return x(d.x + d.dx) - x(d.x); }) | |
.attr("height", function(d) { return y(d.y + d.dy) - y(d.y); }); | |
} | |
function name(d) { | |
return d.parent | |
? name(d.parent) + "." + d.name | |
: d.name; | |
} | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment