Mercurial > gemma

annotate client/src/components/gauge/Waterlevel.vue @ 2728:18dc704e637e

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client: waterlevel diagram: calculate y-axis offset of HDC/LDC as percentage
author Markus Kottlaender <markus@intevation.de>
date Tue, 19 Mar 2019 14:25:37 +0100
parents 8d96b9254465
children 5da81634bdc4
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1 <template>
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2 <div
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3 class="d-flex flex-fill justify-content-center align-items-center diagram-container"
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4 >
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5 <div v-if="!waterlevels.length">
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6 <translate>No data available.</translate>
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7 </div>
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8 </div>
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9 </template>
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10
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11 <style lang="sass" scoped>
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12 .diagram-container
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13 /deep/
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14 .main
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15 .line
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16 clip-path: url(#clip)
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17 .nav
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18 .line
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19 stroke: steelblue
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20 stroke-width: 2
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21 fill: transparent
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22 clip-path: url(#clip)
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23
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24 .hdc-line,
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25 .ldc-line,
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26 .mw-line
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27 stroke-width: 1
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28 fill: transparent
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29 clip-path: url(#clip)
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30 .hdc-line
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31 stroke: red
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32 .ldc-line
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33 stroke: green
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34 .mw-line
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35 stroke: grey
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36 .ref-waterlevel-label
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37 font-size: 11px
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38 fill: #999
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39 .hdc-ldc-area
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40 fill: rgba(0, 255, 0, 0.15)
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41
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42 .tick
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43 line
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44 stroke-dasharray: 5
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45 stroke: #ccc
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46
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47 .zoom
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48 cursor: move
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49 fill: none
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50 pointer-events: all
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51 .brush
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52 .selection
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53 stroke: transparent
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54 fill-opacity: 0.2
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55 .handle
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56 stroke: rgba($color-info, 0.5)
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57 fill: rgba($color-info, 0.5)
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58
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59 .chart-dots
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60 clip-path: url(#clip)
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61 .chart-dot
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62 fill: steelblue
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63 stroke: steelblue
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64 pointer-events: none
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65 opacity: 0
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66 transition: opacity 0.1s
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67 .chart-tooltip
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68 opacity: 0
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69 transition: opacity 0.3s
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70 rect
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71 fill: #fff
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72 stroke: #ccc
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73 text
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74 fill: #666
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75 font-size: 12px
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76 </style>
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77
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78 <script>
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79 /* This is Free Software under GNU Affero General Public License v >= 3.0
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80 * without warranty, see README.md and license for details.
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81 *
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82 * SPDX-License-Identifier: AGPL-3.0-or-later
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83 * License-Filename: LICENSES/AGPL-3.0.txt
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84 *
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85 * Copyright (C) 2018 by via donau
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86 * – Österreichische Wasserstraßen-Gesellschaft mbH
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87 * Software engineering by Intevation GmbH
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88 *
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89 * Author(s):
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90 * Markus Kottländer <markus.kottlaender@intevation.de>
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91 */
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92
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93 import { mapState, mapGetters } from "vuex";
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94 import * as d3Base from "d3";
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95 import { lineChunked } from "d3-line-chunked";
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96 import debounce from "debounce";
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97
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98 // we should load only d3 modules we need but for now we'll go with the lazy way
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99 // https://www.giacomodebidda.com/how-to-import-d3-plugins-with-webpack/
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100 const d3 = Object.assign(d3Base, { lineChunked });
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101
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102 export default {
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103 computed: {
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104 ...mapState("gauges", ["waterlevels", "dateFrom", "dateTo"]),
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105 ...mapGetters("gauges", ["selectedGauge"])
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106 },
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107 watch: {
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108 waterlevels() {
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109 this.drawDiagram();
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110 }
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111 },
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112 methods: {
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113 drawDiagram() {
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114 // remove old diagram
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115 d3.select(".diagram-container svg").remove();
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116
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117 if (!this.selectedGauge || !this.waterlevels.length) return;
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118
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119 // get HDC/LDC/MW of the gauge
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120 let refWaterLevels = JSON.parse(
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121 this.selectedGauge.properties.reference_water_levels
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122 );
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123
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124 // CREATE SVG AND SET DIMENSIONS/MARGINS
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125
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126 let svgWidth = document.querySelector(".diagram-container").clientWidth;
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127 let svgHeight = document.querySelector(".diagram-container").clientHeight;
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128 let svg = d3
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129 .select(".diagram-container")
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130 .append("svg")
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131 .attr("width", "100%")
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132 .attr("height", "100%");
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133 let mainMargin = { top: 20, right: 20, bottom: 110, left: 80 },
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134 navMargin = {
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135 top: svgHeight - mainMargin.top - 65,
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136 right: 20,
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137 bottom: 30,
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138 left: 80
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139 },
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140 width = +svgWidth - mainMargin.left - mainMargin.right,
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141 mainHeight = +svgHeight - mainMargin.top - mainMargin.bottom,
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142 navHeight = +svgHeight - navMargin.top - navMargin.bottom;
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143
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144 // PREPARING AXES/SCALING
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145
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146 // scaling helpers to convert real values to pixels
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147 // based on the diagrams dimensions
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148 let x = d3.scaleTime().range([0, width]),
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149 x2 = d3.scaleTime().range([0, width]),
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150 y = d3.scaleLinear().range([mainHeight, 0]),
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151 y2 = d3.scaleLinear().range([navHeight, 0]);
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152 // find min/max values for the waterlevel axis
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153 // including hdc/ldc (+/- 100 cm)
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154 let WaterlevelMinMax = d3.extent(
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155 [
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156 ...this.waterlevels,
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157 {
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158 waterlevel:
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159 refWaterLevels.HDC + (refWaterLevels.HDC - refWaterLevels.LDC) / 8
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160 },
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161 {
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162 waterlevel: Math.max(
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163 refWaterLevels.LDC -
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164 (refWaterLevels.HDC - refWaterLevels.LDC) / 8,
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165 0
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166 )
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167 }
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168 ],
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169 d => d.waterlevel
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170 );
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171 // setting the min and max values for the diagram axes
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172 let dateTo = new Date(this.dateTo.getTime() + 86400);
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173 x.domain(d3.extent([this.dateFrom, dateTo]));
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174 y.domain(WaterlevelMinMax);
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175 x2.domain(x.domain());
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176 y2.domain(y.domain());
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177 // creating the axes based on these scales
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178 let xAxis = d3
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179 .axisTop(x)
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180 .tickSizeInner(mainHeight)
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181 .tickSizeOuter(0);
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182 let xAxis2 = d3.axisBottom(x2);
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183 let yAxis = d3
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184 .axisRight(y)
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185 .tickSizeInner(width)
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186 .tickSizeOuter(0);
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187
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188 // PREPARING CHART FUNCTIONS
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189
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190 // waterlevel line in big chart
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191 // d3-line-chunked plugin: https://github.com/pbeshai/d3-line-chunked
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192 var mainLineChart = d3
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193 .lineChunked()
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194 .x(d => x(d.date))
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195 .y(d => y(d.waterlevel))
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196 .curve(d3.curveLinear)
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197 .isNext((prev, current) => {
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198 // points are "next to each other" when they are exactly 15 minutes apart
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199 return current.date - prev.date === 15 * 60 * 1000;
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200 })
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201 .lineStyles({ stroke: "steelblue" })
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202 .gapStyles({
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203 stroke: "steelblue",
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204 "stroke-opacity": 1,
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205 "stroke-dasharray": "3 3",
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206 "stroke-width": 1
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207 });
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208 // waterlevel line in small chart
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209 let navLineChart = d3
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210 .line()
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211 .curve(d3.curveMonotoneX)
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212 .x(d => x2(d.date))
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213 .y(d => y2(d.waterlevel));
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214 // hdc/ldc/mw
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215 let refWaterlevelLine = d3
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216 .line()
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217 .x(d => x(d.x))
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218 .y(d => y(d.y));
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219
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220 // DRAWING MAINCHART
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221
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222 // define visible chart area
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223 // everything outside this area will be hidden (clipped)
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224 svg
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225 .append("defs")
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226 .append("clipPath")
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227 .attr("id", "clip")
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228 .append("rect")
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229 .attr("width", width)
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230 .attr("height", mainHeight);
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231
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232 let mainChart = svg
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233 .append("g")
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234 .attr("class", "main")
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235 .attr("transform", `translate(${mainMargin.left}, ${mainMargin.top})`);
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236
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237 // axes
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238 mainChart
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239 .append("g")
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240 .attr("class", "axis--x")
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241 .attr("transform", `translate(0, ${mainHeight})`)
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242 .call(xAxis)
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243 .selectAll(".tick text")
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244 .attr("y", 15);
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245 mainChart // label
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246 .append("text")
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247 .text(this.$gettext("Waterlevel [cm]"))
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248 .attr("text-anchor", "middle")
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249 .attr("transform", `translate(-45, ${mainHeight / 2}) rotate(-90)`);
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250 mainChart
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251 .append("g")
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252 .call(yAxis)
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253 .selectAll(".tick text")
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254 .attr("x", -25);
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255
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256 // reference waterlevels
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257 // filling area between HDC and LDC
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258 mainChart
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259 .append("rect")
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260 .attr("class", "hdc-ldc-area")
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261 .attr("x", 0)
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262 .attr("y", y(refWaterLevels.HDC))
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263 .attr("width", width)
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264 .attr("height", y(refWaterLevels.LDC) - y(refWaterLevels.HDC));
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265
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266 // HDC
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267 mainChart
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268 .append("path")
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269 .datum([
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270 { x: 0, y: refWaterLevels.HDC },
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271 { x: dateTo, y: refWaterLevels.HDC }
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272 ])
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273 .attr("class", "hdc-line")
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274 .attr("d", refWaterlevelLine);
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275 mainChart // label
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276 .append("text")
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277 .text("HDC")
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278 .attr("class", "ref-waterlevel-label")
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279 .attr("x", x(dateTo) - 20)
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280 .attr("y", y(refWaterLevels.HDC) - 3);
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281 // LDC
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282 mainChart
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283 .append("path")
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284 .datum([
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285 { x: 0, y: refWaterLevels.LDC },
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286 { x: dateTo, y: refWaterLevels.LDC }
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287 ])
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288 .attr("class", "ldc-line")
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289 .attr("d", refWaterlevelLine);
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290 mainChart // label
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291 .append("text")
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292 .text("LDC")
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293 .attr("class", "ref-waterlevel-label")
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294 .attr("x", x(dateTo) - 20)
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295 .attr("y", y(refWaterLevels.LDC) - 3);
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296 // MW
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297 mainChart
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298 .append("path")
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299 .datum([
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300 { x: 0, y: refWaterLevels.MW },
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301 { x: dateTo, y: refWaterLevels.MW }
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302 ])
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303 .attr("class", "mw-line")
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304 .attr("d", refWaterlevelLine);
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305 mainChart // label
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306 .append("text")
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307 .text("MW")
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308 .attr("class", "ref-waterlevel-label")
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309 .attr("x", x(dateTo) - 20)
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310 .attr("y", y(refWaterLevels.MW) - 3);
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311
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312 // waterlevel chart
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313 mainChart
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314 .append("g")
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315 .attr("class", "line")
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316 .datum(this.waterlevels)
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317 .transition()
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318 .duration(1000)
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319 .call(mainLineChart);
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320
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321 // DRAWING NAVCHART
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322
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323 let navChart = svg
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324 .append("g")
2684
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325 .attr("class", "nav")
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326 .attr("transform", `translate(${navMargin.left}, ${navMargin.top})`);
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327
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328 // axis (nav chart only has y-axis)
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329 navChart
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330 .append("g")
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331 .attr("class", "axis axis--x")
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332 .attr("transform", `translate(0, ${navHeight})`)
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333 .call(xAxis2);
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parents:
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334
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335 // waterlevel chart
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336 navChart
2590
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337 .append("path")
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parents:
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338 .datum(this.waterlevels)
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339 .attr("class", "line")
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340 .attr("d", navLineChart);
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341
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342 // INTERACTIVITY
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343
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344 // selecting time period in nav chart
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345 let brush = d3
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346 .brushX()
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347 .handleSize(4)
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348 .extent([[0, 0], [width, navHeight]])
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349 .on("brush end", () => {
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350 if (d3.event.sourceEvent && d3.event.sourceEvent.type === "zoom")
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351 return; // ignore brush-by-zoom
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352 let s = d3.event.selection || x2.range();
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diff changeset
353 x.domain(s.map(x2.invert, x2));
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354 mainChart.select(".line").call(mainLineChart);
2652
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diff changeset
355 mainChart
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parents: 2648
diff changeset
356 .select(".axis--x")
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parents: 2648
diff changeset
357 .call(xAxis)
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diff changeset
358 .selectAll(".tick text")
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diff changeset
359 .attr("y", 15);
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diff changeset
360 svg
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diff changeset
361 .select(".zoom")
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Markus Kottlaender <markus@intevation.de>
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diff changeset
362 .call(
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Markus Kottlaender <markus@intevation.de>
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diff changeset
363 zoom.transform,
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diff changeset
364 d3.zoomIdentity.scale(width / (s[1] - s[0])).translate(-s[0], 0)
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diff changeset
365 );
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366 });
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parents:
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367
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Markus Kottlaender <markus@intevation.de>
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368 // zooming with mousewheel in main chart
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Markus Kottlaender <markus@intevation.de>
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diff changeset
369 let zoom = d3
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Markus Kottlaender <markus@intevation.de>
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370 .zoom()
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Markus Kottlaender <markus@intevation.de>
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diff changeset
371 .scaleExtent([1, Infinity])
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diff changeset
372 .translateExtent([[0, 0], [width, mainHeight]])
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diff changeset
373 .extent([[0, 0], [width, mainHeight]])
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diff changeset
374 .on("zoom", () => {
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Markus Kottlaender <markus@intevation.de>
parents: 2607
diff changeset
375 if (d3.event.sourceEvent && d3.event.sourceEvent.type === "brush")
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diff changeset
376 return; // ignore zoom-by-brush
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diff changeset
377 let t = d3.event.transform;
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diff changeset
378 x.domain(t.rescaleX(x2).domain());
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379 mainChart.select(".line").call(mainLineChart);
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diff changeset
380 mainChart
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diff changeset
381 .select(".axis--x")
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diff changeset
382 .call(xAxis)
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Markus Kottlaender <markus@intevation.de>
parents: 2648
diff changeset
383 .selectAll(".tick text")
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parents: 2648
diff changeset
384 .attr("y", 15);
2610
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diff changeset
385 navChart
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Markus Kottlaender <markus@intevation.de>
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diff changeset
386 .select(".brush")
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diff changeset
387 .call(brush.move, x.range().map(t.invertX, t));
2689
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388 })
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diff changeset
389 .on("start", () => {
2691
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parents: 2689
diff changeset
390 svg.select(".chart-dot").style("opacity", 0);
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parents: 2689
diff changeset
391 svg.select(".chart-tooltip").style("opacity", 0);
2610
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diff changeset
392 });
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diff changeset
393
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Markus Kottlaender <markus@intevation.de>
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diff changeset
394 navChart
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395 .append("g")
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parents:
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396 .attr("class", "brush")
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parents:
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397 .call(brush)
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parents:
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398 .call(brush.move, x.range());
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parents:
diff changeset
399
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diff changeset
400 let zoomRect = svg
2590
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401 .append("rect")
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parents:
diff changeset
402 .attr("class", "zoom")
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
403 .attr("width", width)
2610
5ce1b4b29869 client: waterlevel diagram: refactored code for better readability
Markus Kottlaender <markus@intevation.de>
parents: 2607
diff changeset
404 .attr("height", mainHeight)
5ce1b4b29869 client: waterlevel diagram: refactored code for better readability
Markus Kottlaender <markus@intevation.de>
parents: 2607
diff changeset
405 .attr("transform", `translate(${mainMargin.left}, ${mainMargin.top})`)
2590
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
406 .call(zoom);
2689
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
407
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
408 // TOOLTIPS
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
409
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
410 let dots = mainChart.append("g").attr("class", "chart-dots");
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
411 dots
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
412 .append("circle")
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
413 .attr("class", "chart-dot")
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
414 .attr("r", 4);
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
415 let tooltips = mainChart.append("g").attr("class", "chart-tooltip");
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
416 tooltips
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
417 .append("rect")
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
418 .attr("x", -25)
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
419 .attr("y", -25)
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
420 .attr("rx", 4)
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
421 .attr("ry", 4)
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
422 .attr("width", 105)
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
423 .attr("height", 40);
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
424 let tooltipText = tooltips.append("text");
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
425 tooltipText
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
426 .append("tspan")
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
427 .attr("x", -15)
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
428 .attr("y", -8);
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
429 tooltipText
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
430 .append("tspan")
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
431 .attr("x", 8)
2691
023a607c4bcc client: waterlevel diagram: fixed tooltip display while moving/zooming the chart
Markus Kottlaender <markus@intevation.de>
parents: 2689
diff changeset
432 .attr("y", 8)
2689
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
433 .style("font-weight", "bold");
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
434
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
435 let bisectDate = d3.bisector(d => d.date).left;
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
436 zoomRect
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
437 .on("mouseover", () => {
2691
023a607c4bcc client: waterlevel diagram: fixed tooltip display while moving/zooming the chart
Markus Kottlaender <markus@intevation.de>
parents: 2689
diff changeset
438 svg.select(".chart-dot").style("opacity", 1);
023a607c4bcc client: waterlevel diagram: fixed tooltip display while moving/zooming the chart
Markus Kottlaender <markus@intevation.de>
parents: 2689
diff changeset
439 svg.select(".chart-tooltip").style("opacity", 1);
2689
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
440 })
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
441 .on("mouseout", () => {
2691
023a607c4bcc client: waterlevel diagram: fixed tooltip display while moving/zooming the chart
Markus Kottlaender <markus@intevation.de>
parents: 2689
diff changeset
442 svg.select(".chart-dot").style("opacity", 0);
023a607c4bcc client: waterlevel diagram: fixed tooltip display while moving/zooming the chart
Markus Kottlaender <markus@intevation.de>
parents: 2689
diff changeset
443 svg.select(".chart-tooltip").style("opacity", 0);
2689
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
444 })
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
445 .on("mousemove", () => {
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
446 let x0 = x.invert(d3.mouse(document.querySelector(".zoom"))[0]),
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
447 i = bisectDate(this.waterlevels, x0, 1),
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
448 d0 = this.waterlevels[i - 1],
2715
8d96b9254465 client: waterlevel diagram: fixed console error when hovering the chart where no data is available
Markus Kottlaender <markus@intevation.de>
parents: 2710
diff changeset
449 d1 = this.waterlevels[i] || d0,
2689
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
450 d = x0 - d0.date > d1.date - x0 ? d1 : d0;
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
451
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
452 svg
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
453 .select(".chart-dot")
2691
023a607c4bcc client: waterlevel diagram: fixed tooltip display while moving/zooming the chart
Markus Kottlaender <markus@intevation.de>
parents: 2689
diff changeset
454 .style("opacity", 1)
2689
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
455 .attr("transform", `translate(${x(d.date)}, ${y(d.waterlevel)})`);
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
456 svg
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
457 .select(".chart-tooltip")
2691
023a607c4bcc client: waterlevel diagram: fixed tooltip display while moving/zooming the chart
Markus Kottlaender <markus@intevation.de>
parents: 2689
diff changeset
458 .style("opacity", 1)
2689
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
459 .attr(
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
460 "transform",
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
461 `translate(${x(d.date) - 25}, ${y(d.waterlevel) - 25})`
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
462 );
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
463 svg.select(".chart-tooltip text tspan:first-child").text(
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
464 d.date.toLocaleString([], {
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
465 year: "2-digit",
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
466 month: "2-digit",
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
467 day: "2-digit",
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
468 hour: "2-digit",
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
469 minute: "2-digit"
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
470 })
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
471 );
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
472 svg
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
473 .select(".chart-tooltip text tspan:last-child")
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
474 .text(d.waterlevel + " cm");
8f919fe629f9 client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents: 2684
diff changeset
475 });
2590
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
476 }
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
477 },
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
478 created() {
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
479 window.addEventListener("resize", debounce(this.drawDiagram), 100);
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
480 },
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
481 mounted() {
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
482 this.drawDiagram();
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
483 },
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
484 updated() {
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
485 this.drawDiagram();
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
486 }
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
487 };
1686ec185155 client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff changeset
488 </script>