31:T6c8,// code that generates the chart viewof chart = { const width = 1000; const height = 500; function brushed() { let extent = d3.event.selection.map(x.invert, x); let dot_selected = dot.classed("selected", function(d) { return extent[0] <= d[0] && d[0] <= extent[1]; }); svg.property("value", d3.selectAll(".selected").data() ).dispatch("input"); } function brushcentered() { let dx = x(1) - x(0), // Use a fixed width when recentering. cx = d3.mouse(this)[0], x0 = cx - dx / 2, x1 = cx + dx / 2; d3.select(this.parentNode).call(brush.move, x1 > width ? [width - dx, width] : x0 < 0 ? [0, dx] : [x0, x1]); } const svg = d3.select(DOM.svg(width, height)).property("value", []);; let g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")") const x = d3.scaleLinear() .domain([0, 10]) .range([0, width*2/3]); const y = d3.scaleLinear() .domain([-1, 1]) .range([height/4, -height/4]); let brush = d3.brushX() .extent([[10, -2* height], [width, height]]) .on("start brush", brushed); let dot = g.append("g") .attr("fill-opacity", 0.2) .selectAll("circle") .data(data) .enter().append("circle") .attr("transform", function(d) { return "translate(" + x(d[0]) + "," + y(d[1]) + ")"; }) .attr("r", 3.5) g.append("g") .call(brush) .call(brush.move, [3, 5].map(x)) .selectAll(".overlay") .each(function(d) { d.type = "selection"; }) // Treat overlay interaction as move. .on("mousedown touchstart", brushcentered); // Recenter before brushing. g.append("g") .attr("transform", "translate(0," + height + ")") .call(d3.axisBottom(x)); return svg.node(); }32:T45b,LICENSE = "mit" /* Copyright (c) 2018 by Justin Gosses https://github.com/justingosses Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */33:[] 2f:{"title":"Tone.js & brushing scatterplot","cells":[{"id":0,"value":"md`# Tone.js & brushing scatterplot`","pinned":false,"hidden":false,"mode":"ojs"},{"id":573,"value":"md `#### 95% of the work originally done by @y3l2n with notebook here`","pinned":false,"hidden":false,"mode":"ojs"},{"id":82,"value":"md` who was [trying to reproduce this block](https://bl.ocks.org/mbostock/6498000)\\n\n [future inspiration](https://pudding.cool/2018/02/waveforms/)`","pinned":false,"hidden":false,"mode":"ojs"},{"id":64,"value":"$31","pinned":false,"hidden":false,"mode":"ojs"},{"id":433,"value":"md `## Chart Stats`","pinned":false,"hidden":false,"mode":"ojs"},{"id":216,"value":"chart","pinned":true,"hidden":false,"mode":"ojs"},{"id":280,"value":"max = Math.max.apply(Math,chart.map(function(o){return o[1];}))","pinned":true,"hidden":false,"mode":"ojs"},{"id":294,"value":"min = Math.min.apply(Math,chart.map(function(o){return o[1];}))","pinned":true,"hidden":false,"mode":"ojs"},{"id":435,"value":"function find_mean(array) {\n let sums = 0\n let average = 0\n\n for (var i = 0; i < array.length; i++) {\n sums += array[i][1];\n }\n\n average = sums / array.length;\n return average;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":505,"value":"mean = find_mean(chart)","pinned":true,"hidden":false,"mode":"ojs"},{"id":484,"value":"md `## Functions that use stats from data selected via brush and call basic tone.js music`","pinned":false,"hidden":false,"mode":"ojs"},{"id":528,"value":"md `### Select min, max, or mean to use for music`","pinned":false,"hidden":false,"mode":"ojs"},{"id":581,"value":"md `===================`","pinned":false,"hidden":false,"mode":"ojs"},{"id":488,"value":"viewof stat = html``","pinned":false,"hidden":false,"mode":"ojs"},{"id":579,"value":"md `===================`","pinned":false,"hidden":false,"mode":"ojs"},{"id":531,"value":"md `cut-offs for each tone`","pinned":false,"hidden":false,"mode":"ojs"},{"id":406,"value":"function music(stat){ \t\n\tif (stat < -1){\n synth.triggerAttackRelease('C4', '4n')\n }\n \telse if (stat > -1 && stat < -0.5){\n synth.triggerAttackRelease('E4', '4n')\n }\n \telse if (stat > -0.5 && stat < 0.5){\n synth.triggerAttackRelease('G4', '4n')\n }\n \telse if (stat > 0.5 && stat < 1){\n synth.triggerAttackRelease('B4', '4n')\n }\n \telse{\n synth.triggerAttackRelease('E4', '8n')\n }\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":587,"value":"synth.triggerAttackRelease('C4', '8n')\n//synth.triggerAttackRelease('C4', '8n')","pinned":true,"hidden":false,"mode":"ojs"},{"id":491,"value":"viewof stat","pinned":false,"hidden":false,"mode":"ojs"},{"id":499,"value":"stat","pinned":false,"hidden":false,"mode":"ojs"},{"id":408,"value":"music_stat(stat)","pinned":true,"hidden":false,"mode":"ojs"},{"id":533,"value":"md `music_stat takes the view of the drop-down list and figures out what stat variable should be used in music(stat) function`","pinned":false,"hidden":false,"mode":"ojs"},{"id":501,"value":"function music_stat(stat){\n if(stat === \"max\"){\n music(max)\n }\n else if(stat === \"min\"){\n \tmusic(min)\n }\n else if(stat === \"mean\"){\n music(mean) \n }\n else{\n \tmusic(mean)\n }\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":541,"value":"md `## Create synth functions from tone.js`","pinned":false,"hidden":false,"mode":"ojs"},{"id":304,"value":"synth = new Tone.Synth().toMaster()","pinned":true,"hidden":false,"mode":"ojs"},{"id":370,"value":"//play a middle 'C' for the duration of an 8th note\nsynth.triggerAttackRelease('C4', '8n')","pinned":true,"hidden":false,"mode":"ojs"},{"id":536,"value":"md `## Code to generate data for the Chart`","pinned":false,"hidden":false,"mode":"ojs"},{"id":45,"value":"// function to randomly generate X values\nrandomX = d3.randomUniform(0, 10)","pinned":true,"hidden":false,"mode":"ojs"},{"id":53,"value":"// function to randomly generate Y values\nrandomY = d3.randomNormal(-0.5, 0.5)","pinned":true,"hidden":false,"mode":"ojs"},{"id":586,"value":"","pinned":false,"hidden":false,"mode":"ojs"},{"id":55,"value":"// generate data using the X and Y values\ndata = d3.range(800).map(function() { return [randomX(), randomY()]; })","pinned":true,"hidden":false,"mode":"ojs"},{"id":99,"value":"// declaring margin variable\nmargin = ({top: 194, right: 50, bottom: 214, left: 50})","pinned":true,"hidden":false,"mode":"ojs"},{"id":539,"value":"md `## Import D3.js and Tone.js`","pinned":false,"hidden":false,"mode":"ojs"},{"id":128,"value":"// import d3\nd3 = require(\"d3@4\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":350,"value":"Tone = require(\"tone\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":584,"value":"$32","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W33","stdlib":"1","titling":"auto"}