PHP Classes

File: docs/metrics/js/d3.hexbin.v0.js

Recommend this page to a friend!
  Classes of Francesco Danti  >  ATK4 i18next PHP  >  docs/metrics/js/d3.hexbin.v0.js  >  Download  
File: docs/metrics/js/d3.hexbin.v0.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: ATK4 i18next PHP
Translate application texts like il8next-PHP
Author: By
Last change:
Date: 3 years ago
Size: 2,705 bytes
 

Contents

Class file image Download
(function() { d3.hexbin = function() { var width = 1, height = 1, r, x = d3_hexbinX, y = d3_hexbinY, dx, dy; function hexbin(points) { var binsById = {}; points.forEach(function(point, i) { var py = y.call(hexbin, point, i) / dy, pj = Math.round(py), px = x.call(hexbin, point, i) / dx - (pj & 1 ? .5 : 0), pi = Math.round(px), py1 = py - pj; if (Math.abs(py1) * 3 > 1) { var px1 = px - pi, pi2 = pi + (px < pi ? -1 : 1) / 2, pj2 = pj + (py < pj ? -1 : 1), px2 = px - pi2, py2 = py - pj2; if (px1 * px1 + py1 * py1 > px2 * px2 + py2 * py2) pi = pi2 + (pj & 1 ? 1 : -1) / 2, pj = pj2; } var id = pi + "-" + pj, bin = binsById[id]; if (bin) bin.push(point); else { bin = binsById[id] = [point]; bin.i = pi; bin.j = pj; bin.x = (pi + (pj & 1 ? 1 / 2 : 0)) * dx; bin.y = pj * dy; } }); return d3.values(binsById); } function hexagon(radius) { var x0 = 0, y0 = 0; return d3_hexbinAngles.map(function(angle) { var x1 = Math.sin(angle) * radius, y1 = -Math.cos(angle) * radius, dx = x1 - x0, dy = y1 - y0; x0 = x1, y0 = y1; return [dx, dy]; }); } hexbin.x = function(_) { if (!arguments.length) return x; x = _; return hexbin; }; hexbin.y = function(_) { if (!arguments.length) return y; y = _; return hexbin; }; hexbin.hexagon = function(radius) { if (arguments.length < 1) radius = r; return "m" + hexagon(radius).join("l") + "z"; }; hexbin.centers = function() { var centers = []; for (var y = 0, odd = false, j = 0; y < height + r; y += dy, odd = !odd, ++j) { for (var x = odd ? dx / 2 : 0, i = 0; x < width + dx / 2; x += dx, ++i) { var center = [x, y]; center.i = i; center.j = j; centers.push(center); } } return centers; }; hexbin.mesh = function() { var fragment = hexagon(r).slice(0, 4).join("l"); return hexbin.centers().map(function(p) { return "M" + p + "m" + fragment; }).join(""); }; hexbin.size = function(_) { if (!arguments.length) return [width, height]; width = +_[0], height = +_[1]; return hexbin; }; hexbin.radius = function(_) { if (!arguments.length) return r; r = +_; dx = r * 2 * Math.sin(Math.PI / 3); dy = r * 1.5; return hexbin; }; return hexbin.radius(1); }; var d3_hexbinAngles = d3.range(0, 2 * Math.PI, Math.PI / 3), d3_hexbinX = function(d) { return d[0]; }, d3_hexbinY = function(d) { return d[1]; }; })();