2d:null 2e:["$","title",null,{"children":"fAIth | emma-ba | Observable"}] 33:Ta0f,{ const context = DOM.context2d(width, height); const worker = new Worker(script); var start = true; var index_words = []; var index_y = []; function messaged({data: points}) { context.fillStyle = "#fff"; context.fillRect(0, 0, width, height); context.globalAlpha = 0.2; //.context.fillStyle = "#000"; const colors = ["#000000", "#111111", "#222222", "#333333", "#444444", "#666666", "#886688", "#993399", "#990099", "#cc00cc", "#ff00ff"]; const n_words = text.length; const mid_point = n_words / 2; if(start){ start = false; for (let i = 0, n = points.length; i < n; i += 2) { var y = points[i + 1] + (Math.random()-0.5) * 200; var prop = 1 - y/height; var k_prop = n_words * prop; k_prop = Math.min(k_prop, n_words); k_prop = Math.max(k_prop, 0); var penalty = Math.abs( Math.log( Math.abs( 1.2*(k_prop - mid_point)/mid_point) ) ) ; var quantile_ref = 0; var dir = -1; if(k_prop > mid_point){ quantile_ref = 100; dir = 1; } var quantile; quantile = (quantile_ref - dir * Math.pow(penalty*5, 1)) / 100; //quantile = 1/(1+Math.pow(Math.E, -((1-k_prop)/10^10) )); quantile = Math.min(quantile, 1); quantile = Math.max(quantile, 0); var k_test = Math.round(quantile * n_words + (Math.random()-0.5) * 10); k_test = Math.max(k_test, 0); k_test = Math.min(k_test, n_words-1); index_words.push(k_test); } } for (let i = 0, n = points.length; i < n; i += 2) { const x = points[i], y = points[i + 1]; var k = index_words[i/2]; const size = Math.sqrt(Math.round(text[k].tfidf)*2) + 6; //const size = Math.round(text[k].tfidf)/20 + Math.abs(text[k].emotion - 5)*6 + 8; context.font = size + "px Georgia"; context.textAlign = "center"; var hex = colors[text[k].emotion]; var r = parseInt(hex.slice(1, 3), 16), g = parseInt(hex.slice(3, 5), 16), b = parseInt(hex.slice(5, 7), 16); var alpha = Math.min(size/50 + Math.abs(text[k].emotion - 5)/10 + 0.1, 1); context.fillStyle = "rgba("+r+","+g+","+b+"," + alpha + ")"; context.fillText(text[k].token, x, y); // } context.fill(); } invalidation.then(() => worker.terminate()); worker.addEventListener("message", messaged); worker.postMessage({start, data, data2, data3, width, height, n}); return context.canvas; }34:T161e,script = { const blob = new Blob([` importScripts("${await require.resolve("d3-delaunay@^5.1.1")}"); onmessage = event => { const {data: {start, data, data2, data3, width, height, n}} = event; const points = new Float64Array(n * 2); const c = new Float64Array(n * 2); const s = new Float64Array(n); // Initialize the points using rejection sampling. for (let i = 0; i < n; ++i) { for (let j = 0; j < 30; ++j) { const x = points[i * 2] = Math.floor(Math.random() * width); const y = points[i * 2 + 1] = Math.floor(Math.random() * height); if (Math.random() < start[y * width + x]) break; } } const delaunay = new d3.Delaunay(points); const voronoi = delaunay.voronoi([0, 0, width, height]); var wait = Date.now(); var timer = Date.now(); while(true){ for (let looping = 0; looping < 12; ++looping) { for (let k = 0; k < 80; ++k) { // Compute the weighted centroid for each Voronoi cell. c.fill(0); s.fill(0); // Get image data if(looping % 3 == 0) { data_pick = data2; } else if(looping % 3 == 1){ data_pick = data3; } else { data_pick = data; } for (let y = 0, i = 0; y < height; ++y) { for (let x = 0; x < width; ++x) { const w = data_pick[y * width + x]; i = delaunay.find(x + 0.5, y + 0.5, i); s[i] += w; c[i * 2] += w * (x + 0.5); c[i * 2 + 1] += w * (y + 0.5); } } // Relax the diagram by moving points to the weighted centroid. // Wiggle the points a little bit so they don’t get stuck. const w = Math.pow(k + 1, -0.8) * 20; for (let i = 0; i < n; ++i) { const x0 = points[i * 2], y0 = points[i * 2 + 1]; const x1 = s[i] ? c[i * 2] / s[i] : x0, y1 = s[i] ? c[i * 2 + 1] / s[i] : y0; //points[i * 2] = x0 + (x1 - x0) * 1.8 + (Math.random() + Math.random() - Math.random()) * w; //points[i * 2 + 1] = y0 + (y1 - y0) * 1.8 + (Math.random() + Math.random() - Math.random()) * w; points[i * 2] = x0 + (x1 - x0) * 1.8 + (Math.random() - 0.1) * w; points[i * 2 + 1] = y0 + (y1 - y0) * 1.8 + (Math.random() - 0.9) * w; } postMessage(points); voronoi.update(); } wait = Date.now(); timer = Date.now(); while(timer - wait < 1000){ timer = Date.now(); } } for (let looping = 0; looping < 24; ++looping) { for (let k = 0; k < 80; ++k) { // Compute the weighted centroid for each Voronoi cell. c.fill(0); s.fill(0); // Get image data if(looping % 3 == 0) { data_pick = data2; } else if(looping % 3 == 1){ data_pick = data3; } else { data_pick = data; } for (let y = 0, i = 0; y < height; ++y) { for (let x = 0; x < width; ++x) { const w = data_pick[y * width + x]; i = delaunay.find(x + 0.5, y + 0.5, i); s[i] += w; c[i * 2] += w * (x + 0.5); c[i * 2 + 1] += w * (y + 0.5); } } // Relax the diagram by moving points to the weighted centroid. // Wiggle the points a little bit so they don’t get stuck. const w = Math.pow(k + 1, -0.8) * 20; for (let i = 0; i < n; ++i) { const x0 = points[i * 2], y0 = points[i * 2 + 1]; const x1 = s[i] ? c[i * 2] / s[i] : x0, y1 = s[i] ? c[i * 2 + 1] / s[i] : y0; //points[i * 2] = x0 + (x1 - x0) * 1.8 + (Math.random() + Math.random() - Math.random()) * w; //points[i * 2 + 1] = y0 + (y1 - y0) * 1.8 + (Math.random() + Math.random() - Math.random()) * w; points[i * 2] = x0 + (x1 - x0) * 1.8 + (Math.random() - 0.9) * w; points[i * 2 + 1] = y0 + (y1 - y0) * 1.8 + (Math.random() - 0.1) * w; } postMessage(points); voronoi.update(); } wait = Date.now(); timer = Date.now(); while(timer - wait < 1000){ timer = Date.now(); } } for (let looping = 0; looping < 12; ++looping) { for (let k = 0; k < 80; ++k) { // Compute the weighted centroid for each Voronoi cell. c.fill(0); s.fill(0); // Get image data if(looping % 3 == 0) { data_pick = data2; } else if(looping % 3 == 1){ data_pick = data3; } else { data_pick = data; } for (let y = 0, i = 0; y < height; ++y) { for (let x = 0; x < width; ++x) { const w = data_pick[y * width + x]; i = delaunay.find(x + 0.5, y + 0.5, i); s[i] += w; c[i * 2] += w * (x + 0.5); c[i * 2 + 1] += w * (y + 0.5); } } // Relax the diagram by moving points to the weighted centroid. // Wiggle the points a little bit so they don’t get stuck. const w = Math.pow(k + 1, -0.8) * 20; for (let i = 0; i < n; ++i) { const x0 = points[i * 2], y0 = points[i * 2 + 1]; const x1 = s[i] ? c[i * 2] / s[i] : x0, y1 = s[i] ? c[i * 2 + 1] / s[i] : y0; //points[i * 2] = x0 + (x1 - x0) * 1.8 + (Math.random() + Math.random() - Math.random()) * w; //points[i * 2 + 1] = y0 + (y1 - y0) * 1.8 + (Math.random() + Math.random() - Math.random()) * w; points[i * 2] = x0 + (x1 - x0) * 1.8 + (Math.random() - 0.1) * w; points[i * 2 + 1] = y0 + (y1 - y0) * 1.8 + (Math.random() - 0.9) * w; } postMessage(points); voronoi.update(); } wait = Date.now(); timer = Date.now(); while(timer - wait < 1000){ timer = Date.now(); } } } close(); }; `], {type: "text/javascript"}); const script = URL.createObjectURL(blob); invalidation.then(() => URL.revokeObjectURL(script)); return script; 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FileAttachment(\"sheperd.jpg\").image().then(image => {\n const height = Math.round(width * image.height / image.width);\n const context = DOM.context2d(width, height, 1);\n context.drawImage(image, 0, 0, image.width, image.height, 0, 0, width, height);\n const {data: rgba} = context.getImageData(0, 0, width, height);\n const data = new Float64Array(width * height);\n for (let i = 0, n = rgba.length / 4; i < n; ++i) data[i] = Math.max(0, 1 - rgba[i * 4] / 254);\n data.width = width;\n data.height = height;\n return data;\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":40,"value":"n = 3000 //Math.round(width * height / 100)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":7,"value":"height = 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i < n; ++i) data[i] = Math.max(0, 1 - rgba[i * 4] / 254);\n data.width = width;\n data.height = height;\n return data;\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W35","stdlib":"1","titling":"auto"}} 32:"$31:body"