Mercurial > gemma
annotate client/src/components/fairway/AvailableFairwayDepth.vue @ 3033:c2c1e3e3af1c
Available fairway depth: rudimentary thoughts / prototype. Tbd;
author | Thomas Junk <thomas.junk@intevation.de> |
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date | Fri, 12 Apr 2019 13:35:02 +0200 |
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children | 383720d8d98e |
rev | line source |
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3033
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Available fairway depth: rudimentary thoughts / prototype. Tbd;
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1 <template> |
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2 <div> |
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3 <h1>Available Fairway Depth</h1> |
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4 <UISpinnerOverlay v-if="loading" /> |
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5 </div> |
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6 </template> |
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7 |
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8 <script> |
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9 /* This is Free Software under GNU Affero General Public License v >= 3.0 |
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10 * without warranty, see README.md and license for details. |
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11 * |
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12 * SPDX-License-Identifier: AGPL-3.0-or-later |
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13 * License-Filename: LICENSES/AGPL-3.0.txt |
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14 * |
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15 * Copyright (C) 2018 by via donau |
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16 * – Österreichische Wasserstraßen-Gesellschaft mbH |
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17 * Software engineering by Intevation GmbH |
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18 * |
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19 * Author(s): |
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20 * Thomas Junk <thomas.junk@intevation.de> |
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21 * Markus Kottländer <markus.kottlaender@intevation.de> |
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22 */ |
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23 import * as d3 from "d3"; |
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24 |
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25 export default { |
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26 data() { |
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27 return { |
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28 plainAvailability: [], |
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29 loading: false |
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30 }; |
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31 }, |
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32 computed: { |
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33 availability() { |
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34 return this.plainAvailability; |
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35 } |
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36 }, |
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37 methods: { |
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38 /** |
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39 * |
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40 * aggregates data exceeding certain thresholds |
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41 * |
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42 * data = [1,2,3,4,5,6,7,8] |
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43 * treshold = [2,4,6] |
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44 * |
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45 * structure: treshold: count |
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46 * |
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47 * expected result = { |
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48 * 6: 2, |
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49 * 4: 2 |
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50 * 2: 2 |
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51 * } |
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52 * |
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53 * 1,2 are dropped, because they do not exceed any of the given tresholds |
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54 * |
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55 */ |
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56 availabeDaysPerMonth(data, tresholds) { |
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57 const DESC = (a, b) => { |
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58 if (a > b) return -1; |
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59 if (a === b) return 0; |
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60 return 1; |
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61 }; |
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62 const groups = tresholds.sort(DESC); |
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63 const collection = {}; |
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64 groups.map(g => { |
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65 collection[g + ""] = 0; |
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66 }); |
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67 return this.data.reduce((current, value) => { |
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68 for (let threshold in groups) { |
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69 if (value > threshold) { |
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70 return (current[threshold] += 1); |
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71 } |
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72 } |
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73 return current; |
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74 }, collection); |
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75 }, |
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76 drawDiagram() { |
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77 const margin = 60; |
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78 const width = 1000 - 2 * margin; |
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79 const height = 600 - 2 * margin; |
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80 const yScale = d3 |
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81 .scaleLinear() |
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82 .range([height, 0]) |
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83 .domain([-35, 35]); |
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84 d3.select(".diagram-container svg").remove(); |
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85 let svg = d3.select(".diagram-container").append("svg"); |
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86 svg.attr("width", "100%"); |
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87 svg.attr("height", "100%"); |
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88 const chart = svg.attr("transform", `translate(${margin}, ${margin})`); |
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89 chart.append("g").call(d3.axisLeft(yScale)); |
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90 const xScale = d3 |
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91 .scaleBand() |
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92 .range([0, width]) |
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93 .domain([1, 12]) |
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94 .padding(0.2); |
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95 chart |
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96 .append("g") |
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97 .attr("transform", `translate(0, ${height})`) |
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98 .call(d3.axisBottom(xScale)); |
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99 chart |
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100 .selectAll() |
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101 .data(this.availability) |
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102 .enter() |
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103 .append("rect") |
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104 .attr("x", s => xScale(s.month)) |
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105 .attr("y", s => yScale(s.days)) |
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106 .attr("height", s => height - yScale(s.days)) |
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107 .attr("width", xScale.bandwidth()); |
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108 } |
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109 } |
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110 }; |
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111 </script> |
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112 |
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Available fairway depth: rudimentary thoughts / prototype. Tbd;
Thomas Junk <thomas.junk@intevation.de>
parents:
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