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Last active January 1, 2020 01:15
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Utilities
Raw
README.md

Supporting utilities for graphs and scripts

Raw
util.js
/**
* Standard blue colour set.
*/
function pinColours() {
return [ "#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c",
"#ff8c00", "#ffb010", "#ffff20", "#99ff33", "#ff4000" ];
}
/**
* Gist data downloaded.
*/
var gistData = {};
/**
* Array of Google sheets downloaded.
*/
var googleSheets = [];
function parseParamWithDefault(param, values) {
var obj = parseQueryString();
return (typeof obj[param] == 'undefined')? 0 :
(values.indexOf(obj[param]) == -1)? 0: values.indexOf(obj[param]);
}
function parseQueryString() {
var str = window.location.search;
var objURL = {};
str.replace(
new RegExp( "([^?=&]+)(=([^&]*))?", "g" ),
function( $0, $1, $2, $3 ){
objURL[ $1 ] = $3;
}
);
return objURL;
}
/**
* Callback function when downloading Gist data as JSONP.
* @param json downloaded Gist structure
*/
function gistDataLoaded(json) {
gistData = json.data.files;
}
function extractGistData(content) {
var data = d3.csv.parse(content);
var rowName = content.substring(0,content.indexOf(","));
var colNames = d3.keys(data[0]).filter(function(key) { return key !== rowName; });
return {data: data, colNames: colNames, rowName: rowName};
}
function extractGistDataSubset(content, rowStart, rowEnd) {
var data = d3.csv.parseRows(content);
data = data.slice(rowStart, rowEnd);
content = d3.formatRows(data);
return extractGistData(content);
}
/**
* Callback function when downloading Google sheets as JSONP.
* @param json downloaded sheet structure
*/
function sheetLoaded(json) {
googleSheets.push(extractSheetData(json, 0, 0));
}
function extractSheetData(json, rowStart, rowEnd) {
var cells = json.feed.entry;
var row = (rowStart > 0)? rowStart : 1, col = 1, cell = 0, csv = "";
for (; (row > +cells[cell].gs$cell.row) && (cell < cells.length); cell++);
var rowName = cells[cell].gs$cell.$t;
for (; cell < cells.length; cell++) {
var nextRow = +cells[cell].gs$cell.row;
if ((rowEnd > 0) && (nextRow >= rowEnd)) {
break;
}
if (row != nextRow) {
row = nextRow;
col = 1;
csv = csv + '\n';
}
if (col++ > 1) csv = csv + ',';
csv = csv + '"' + cells[cell].gs$cell.$t + '"';
}
var data = d3.csv.parse(csv);
var colNames = d3.keys(data[0]).filter(function(key) { return key !== rowName; });
return {json: json, id: json.feed.id.$t, data: data, colNames: colNames, rowName: rowName};
}
function transposeSheet(sheet) {
var transpose = [];
var transposeCols = [];
sheet.colNames.forEach(function (d) {
var row = new Object();
row[sheet.rowName] = d;
transpose.push(row);
});
sheet.data.forEach(function (d, j) {
transposeCols[j] = d[sheet.rowName];
sheet.colNames.forEach(function (c,i) {
transpose[i][d[sheet.rowName]]=d[c];
});
});
return {data: transpose, rowName : sheet.rowName, colNames : transposeCols};
}
/**
* Read markdown from README.md, convert to html and set inner html of supplied
* element. Requires showdown.js for markdown conversion.
*
* @param elem
* the element that will receive the html
*/
function readme(elem) {
d3.text("README.md", function(error, rawText) {
if (error)
throw error;
var converter = new showdown.Converter({tables: true});
elem.innerHTML = converter.makeHtml(rawText);
});
}
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