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blur_NoSlider_01.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>UNCERTAINTY BLUR</title>
<script type="text/javascript" src="js/d3.js"></script>
<script src="https://d3js.org/d3-selection-multi.v1.min.js"></script>
<style type="text/css">
</style>
</head>
<body>
<script type="text/javascript">
//Width and height ()
var w = window.innerWidth;
var h = w/4;
//Resolution
var res = w*h;
//Margins
var marginSize = .15;
var wMargin = w*marginSize;
var hMargin = h*marginSize;
//Letter outlines
var letters = [[116.0, 176.0], [105.0, 176.0], [101.0, 169.5], [98.97959, 164.7347], [91.58672, 172.37755], [82.29506, 177.56335], [71.6157, 179.76204], [61.07868, 179.78374], [50.50552, 177.43414], [41.2803, 171.87859], [34.982918, 162.9923], [33.00374, 152.52832], [33.0, 142.0], [33.0, 131.0], [33.0, 120.0], [33.0, 109.0], [33.0, 98.0], [33.0, 87.0], [33.0, 76.0], [39.5, 72.0], [49.0, 73.0], [49.0, 84.0], [49.0, 95.0], [49.0, 106.0], [49.0, 117.0], [49.0, 128.0], [49.0, 139.0], [49.254326, 149.55753], [53.987892, 159.50217], [62.901234, 164.91357], [73.0448, 165.9392], [83.436195, 163.2298], [91.5, 156.5], [96.70168, 146.72241], [98.80628, 135.97496], [99.0, 125.5], [99.0, 114.5], [99.0, 103.5], [99.0, 92.5], [99.0, 81.5], [100.0, 72.0], [111.0, 72.0], [116.0, 77.5], [116.0, 88.5], [116.0, 99.5], [116.0, 110.5], [116.0, 121.5], [116.0, 132.5], [116.0, 143.5], [116.0, 154.5], [116.0, 165.5], [116.0, 176.0], [145.0, 72.0], [156.0, 72.0], [160.0, 78.5], [160.0, 89.0], [166.9096, 79.98063], [175.0, 73.5], [185.44897, 69.82653], [195.5639, 69.00267], [206.41896, 70.292274], [216.51796, 74.649704], [223.91795, 81.984375], [227.69638, 92.410034], [228.0, 103.0], [228.0, 114.0], [228.0, 125.0], [228.0, 136.0], [228.0, 147.0], [228.0, 158.0], [228.0, 169.0], [224.5, 176.0], [213.5, 176.0], [211.0, 168.0], [211.0, 157.0], [211.0, 146.0], [211.0, 135.0], [211.0, 124.0], [211.0, 113.0], [210.9596, 102.31877], [208.19386, 92.010216], [200.37999, 84.97997], [190.0, 83.00001], [179.71469, 84.86083], [170.61664, 91.13535], [164.74515, 99.91412], [161.63034, 110.49028], [161.0, 120.5], [161.0, 131.5], [161.0, 142.5], [161.0, 153.5], [161.0, 164.5], [161.0, 175.5], [151.0, 176.0], [145.0, 171.5], [145.0, 160.5], [145.0, 149.5], [145.0, 138.5], [145.0, 127.5], [145.0, 116.5], [145.0, 105.5], [145.0, 94.5], [145.0, 83.5], [145.0, 72.5], [145.0, 72.0], [336.0, 107.0], [325.0, 107.0], [317.86392, 102.189354], [313.29327, 92.67194], [305.06094, 86.01108], [293.99997, 83.99999], 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[552.0, 131.0], [552.0, 142.0], [552.0, 153.0], [553.16956, 163.54498], [562.8047, 166.0], [569.0, 170.0], [567.39795, 179.21745], [556.463, 179.99852], [545.8877, 178.58984], [537.84314, 172.23979], [536.0, 162.0], [536.0, 151.0], [536.0, 140.0], [536.0, 129.0], [536.0, 118.0], [536.0, 107.0], [536.0, 96.0], [536.0, 85.0], [525.5, 85.0], [521.0, 79.0], [524.5, 72.0], [535.5, 72.0], [536.0, 62.0], [536.0, 51.0], [538.5, 43.0], [549.5, 43.0], [552.0, 51.0], [552.0, 62.0], [552.5, 72.0], [563.5, 72.0], [569.0, 72.0], [587.0, 103.0], [588.656, 91.8616], [593.536, 82.0696], [601.61597, 74.997604], [612.04443, 70.85111], [622.696, 69.217606], [633.1756, 69.08923], [644.3257, 70.42768], [654.54004, 73.924034], [662.6598, 80.27663], [667.375, 90.437515], [668.0, 101.0], [668.0, 112.0], [668.0, 123.0], [668.0, 134.0], [668.0, 145.0], [668.0, 156.0], [670.81055, 165.4429], [681.0, 167.0], [681.0, 177.5], [671.17017, 179.9132], [660.6686, 178.8639], [653.3831, 171.87427], [648.66394, 168.59845], 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[983.0, 72.0], [988.7986, 75.29102], [985.0227, 85.63424], [981.2468, 95.977455], [977.47095, 106.32067], [973.69507, 116.663925], [969.9192, 127.007225], [966.1433, 137.35052], [962.36743, 147.69382], [958.59155, 158.03712], [954.8157, 168.3804], [951.0398, 178.7237], [947.2639, 189.06697], [943.5501, 199.02423], [937.8766, 208.60083], [929.8176, 215.72247], [919.18787, 218.92001], [909.03125, 218.21875], [905.0, 210.5], [906.9167, 202.30556], [917.7785, 202.57613], [925.78955, 196.34488], [930.16693, 186.86111], [933.83405, 176.47221], [930.8042, 166.50229], [927.2888, 156.0548], [923.9332, 146.08218], [920.41785, 135.63474], [916.90247, 125.18729], [913.3871, 114.73984], [909.8717, 104.29238], [906.3563, 93.84493], [902.84094, 83.397484], [899.32556, 72.950035], [908.5, 72.0], [916.9529, 74.858826], [920.4468, 85.34119], [923.9407, 95.82355], [927.4346, 106.30591], [930.92847, 116.78827], [934.42236, 127.27063], [937.91626, 137.75299], [941.25134, 147.75888], [944.6858, 148.2907], [948.39453, 137.9302], [952.1033, 127.56971], [955.812, 117.209206], [959.52075, 106.8487], [963.2295, 96.4882], [966.93823, 86.12769], [970.647, 75.76719], [972.0, 72.0]];
//Create SVG element
var svg = d3.select("body")
.append("svg")
.attr("width", w)
.attr("height", h);
//Append group to hold blurred dots
var blurGroup = svg.append("g")
.attr("filter", "url(#blur)");
//Append group to hold sharp dots
var gridGroup = svg.append("g");
//Scaling mechanism to fit to page
var xScale = d3.scaleLinear()
.domain([0,d3.max(letters, function(d) {return Math.round(d[0])})])
.range([wMargin,w-wMargin]);
var yScale = d3.scaleLinear()
.domain([0,d3.max(letters, function(d) {return Math.round(d[0])/4})])
.range([hMargin,h-hMargin]);
//This is where the blur is applied to the SVG
var filter = svg.append("defs")
.append("filter")
.attr("id", "blur")
.append("feGaussianBlur")
.attr("stdDeviation", 10);
//Draw circles
var grid = gridGroup.selectAll("circle")
.data(letters)
.enter()
.append("circle")
.attr("cx", function(d) {
return xScale(d[0]);
})
.attr("cy", function(d) {
return yScale(d[1]);
})
.attr("r", wMargin/200)
.attr("clip-path", "url(#ellipse-clip)");
var text = blurGroup.selectAll("circle")
.data(letters)
.enter()
.append("circle")
.attr("cx", function(d) {
return xScale(d[0]);
})
.attr("cy", function(d) {
return yScale(d[1]);
})
.attr("r", wMargin/100);
//Defining the clipping path that reveals the sharp dots underneath the blur
svg.append("clipPath") // define a clip path
.attr("id", "ellipse-clip") // give the clipPath an ID
.append("circle") // shape it as an ellipse
.attr("id", "circle-clip")
.attr("cx", 175) // position the x-centre
.attr("cy", 100) // position the y-centre
.attr("r", hMargin);
// This attaches the clipping Mask to the mouse cursor
var x = 100;
var y = 100;
svg.on("mousemove" , function(){
var x = d3.mouse(this)[0];
var y = d3.mouse(this)[1];
svg.select("#circle-clip")
.attr('cx', x)
.attr('cy', y)
});
//The blur function is defined here
function blur() {
filter.attr("stdDeviation", this.value / 5);
};
</script>
</body>
</html>