Mercurial > gemma
annotate client/src/components/gauge/HydrologicalConditions.vue @ 2843:451d73940c81
client: diagrams: more compact legend style, removed unnecessary legend items
author | Markus Kottlaender <markus@intevation.de> |
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date | Thu, 28 Mar 2019 11:26:04 +0100 |
parents | 37c2a73ed001 |
children | 7ee9a3ef90d4 |
rev | line source |
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1 <template> |
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2 <div class="d-flex flex-fill"> |
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3 <DiagramLegend> |
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4 <div class="legend"> |
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5 <span style="background-color: red"></span> |
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6 {{ yearCompare }} |
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7 </div> |
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8 <div class="legend"> |
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9 <span style="background-color: orange"></span> Q25% |
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10 </div> |
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11 <div class="legend"> |
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12 <span style="background-color: black"></span> Median |
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13 </div> |
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14 <div class="legend"> |
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15 <span style="background-color: purple"></span> Q75% |
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16 </div> |
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17 <div class="legend"> |
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18 <span style="background-color: lightsteelblue"></span> |
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19 Long-term Amplitude |
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20 </div> |
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21 </DiagramLegend> |
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22 <div |
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23 class="d-flex flex-fill justify-content-center align-items-center diagram-container" |
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24 > |
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25 <div v-if="!longtermWaterlevels.length"> |
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26 <translate>No data available.</translate> |
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27 </div> |
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28 </div> |
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29 </div> |
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30 </template> |
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31 |
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32 <style lang="sass" scoped> |
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33 .diagram-container |
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34 /deep/ |
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35 .hide |
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36 opacity: 0 |
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37 .line |
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38 clip-path: url(#clip) |
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39 stroke-width: 2 |
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40 fill: none |
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41 &.mean |
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42 stroke: red |
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43 &.median |
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44 stroke: black |
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45 &.q25 |
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46 stroke: orange |
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47 &.q75 |
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48 stroke: purple |
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49 .area |
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50 clip-path: url(#clip) |
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51 stroke: none |
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52 fill: lightsteelblue |
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53 |
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54 .hdc-line, |
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55 .ldc-line, |
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56 .mw-line |
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57 stroke-width: 1 |
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58 fill: none |
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59 clip-path: url(#clip) |
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60 .hdc-line |
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61 stroke: red |
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62 .ldc-line |
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63 stroke: green |
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64 .mw-line |
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65 stroke: grey |
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66 .ref-waterlevel-label |
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67 font-size: 11px |
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68 fill: #999 |
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69 .now-line |
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70 stroke: #999 |
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71 stroke-width: 1 |
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72 stroke-dasharray: 5, 5 |
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73 clip-path: url(#clip) |
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74 .now-line-label |
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75 font-size: 11px |
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76 fill: #999 |
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77 |
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78 .tick |
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79 line |
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80 stroke-dasharray: 5 |
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81 stroke: #ccc |
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82 |
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83 .zoom |
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84 cursor: move |
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85 fill: none |
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86 pointer-events: all |
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87 .brush |
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88 .selection |
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89 stroke: none |
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90 fill-opacity: 0.2 |
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91 .handle |
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92 stroke: rgba($color-info, 0.5) |
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93 fill: rgba($color-info, 0.5) |
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94 |
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95 .chart-dots |
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96 clip-path: url(#clip) |
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97 .chart-dot |
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98 fill: black |
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99 stroke: black |
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100 pointer-events: none |
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101 opacity: 0 |
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102 transition: opacity 0.1s |
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103 .chart-tooltip |
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104 opacity: 0 |
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105 transition: opacity 0.3s |
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106 rect |
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107 fill: #fff |
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108 stroke: #ccc |
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109 text |
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110 fill: #666 |
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111 font-size: 12px |
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112 </style> |
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113 |
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114 <script> |
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115 /* This is Free Software under GNU Affero General Public License v >= 3.0 |
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116 * without warranty, see README.md and license for details. |
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117 * |
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118 * SPDX-License-Identifier: AGPL-3.0-or-later |
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119 * License-Filename: LICENSES/AGPL-3.0.txt |
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120 * |
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121 * Copyright (C) 2018 by via donau |
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122 * – Österreichische Wasserstraßen-Gesellschaft mbH |
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123 * Software engineering by Intevation GmbH |
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124 * |
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125 * Author(s): |
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126 * Markus Kottländer <markus.kottlaender@intevation.de> |
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127 */ |
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128 |
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129 import { mapState, mapGetters } from "vuex"; |
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130 import * as d3 from "d3"; |
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131 import debounce from "debounce"; |
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132 import { startOfYear, endOfYear } from "date-fns"; |
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133 |
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134 export default { |
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135 components: { |
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136 DiagramLegend: () => import("@/components/DiagramLegend") |
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137 }, |
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138 data() { |
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139 return { |
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140 svg: null, |
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141 diagram: null, |
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142 navigation: null, |
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143 dimensions: null, |
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144 extent: null, |
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145 scale: null, |
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146 axes: null |
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147 }; |
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148 }, |
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149 computed: { |
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150 ...mapState("gauges", [ |
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151 "longtermWaterlevels", |
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152 "yearWaterlevels", |
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153 "yearCompare" |
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154 ]), |
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155 ...mapGetters("gauges", ["selectedGauge"]) |
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156 }, |
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157 methods: { |
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158 drawDiagram() { |
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159 // remove old diagram |
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160 d3.select(".diagram-container svg").remove(); |
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161 if (!this.selectedGauge || !this.longtermWaterlevels.length) return; |
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162 |
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163 // PREPARE HELPERS |
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164 |
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165 // HDC/LDC/MW for the selected gauge |
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166 const refWaterLevels = JSON.parse( |
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167 this.selectedGauge.properties.reference_water_levels |
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168 ); |
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169 |
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170 // dimensions (widths, heights, margins) |
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171 this.dimensions = this.getDimensions(); |
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172 |
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173 // get min/max values for date and waterlevel axis |
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174 this.extent = this.getExtent(refWaterLevels); |
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175 |
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176 // scaling helpers |
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177 this.scale = this.getScale(); |
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178 |
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179 // creating the axes based on the scales |
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180 this.axes = this.getAxes(); |
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181 |
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182 // DRAW DIAGRAM/NAVIGATION AREAS |
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183 |
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184 // create svg |
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185 this.svg = d3 |
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186 .select(".diagram-container") |
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187 .append("svg") |
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188 .attr("width", "100%") |
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189 .attr("height", "100%"); |
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190 |
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191 // create container for main diagram |
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192 this.diagram = this.svg |
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193 .append("g") |
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194 .attr("class", "main") |
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195 .attr( |
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196 "transform", |
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197 `translate(${this.dimensions.mainMargin.left}, ${ |
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198 this.dimensions.mainMargin.top |
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199 })` |
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200 ); |
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201 |
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202 // create container for navigation diagram |
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203 this.navigation = this.svg |
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204 .append("g") |
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205 .attr("class", "nav") |
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206 .attr( |
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207 "transform", |
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208 `translate(${this.dimensions.navMargin.left}, ${ |
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209 this.dimensions.navMargin.top |
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210 })` |
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211 ); |
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212 |
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213 // define visible area, everything outside this area will be hidden |
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214 this.svg |
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215 .append("defs") |
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216 .append("clipPath") |
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217 .attr("id", "clip") |
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218 .append("rect") |
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219 .attr("width", this.dimensions.width) |
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220 .attr("height", this.dimensions.mainHeight); |
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221 |
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222 // DRAW DIAGRAM PARTS |
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223 |
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224 // Each drawSomething function (with the exception of drawRefLines) |
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225 // returns a fuction to update the respective chart/area/etc. These |
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226 // updater functions are used by the zoom feature to rescale all elements. |
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227 const updaters = []; |
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228 |
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229 // draw |
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230 this.drawRefLines(refWaterLevels); // static, doesn't need an updater |
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231 updaters.push(this.drawAxes()); |
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232 updaters.push(this.drawNowLines()); |
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233 updaters.push(this.drawWaterlevelMinMaxAreaChart()); |
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234 updaters.push(this.drawWaterlevelLineChart("median")); |
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235 updaters.push(this.drawWaterlevelLineChart("q25")); |
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236 updaters.push(this.drawWaterlevelLineChart("q75")); |
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237 updaters.push(this.drawWaterlevelLineChart("mean", this.yearWaterlevels)); |
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238 |
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239 // INTERACTIONS |
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240 |
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241 // create rectanlge on the main chart area to capture mouse events |
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242 const eventRect = this.svg |
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243 .append("rect") |
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244 .attr("class", "zoom") |
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245 .attr("width", this.dimensions.width) |
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246 .attr("height", this.dimensions.mainHeight) |
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247 .attr( |
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248 "transform", |
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249 `translate(${this.dimensions.mainMargin.left}, ${ |
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250 this.dimensions.mainMargin.top |
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251 })` |
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252 ); |
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253 |
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254 this.createZoom(updaters, eventRect); |
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255 this.createTooltips(eventRect); |
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256 }, |
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257 getDimensions() { |
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258 // dimensions and margins |
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259 const svgWidth = document.querySelector(".diagram-container").clientWidth; |
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260 const svgHeight = document.querySelector(".diagram-container") |
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261 .clientHeight; |
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262 const mainMargin = { top: 20, right: 20, bottom: 110, left: 80 }; |
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263 const navMargin = { |
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264 top: svgHeight - mainMargin.top - 65, |
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265 right: 20, |
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266 bottom: 30, |
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267 left: 80 |
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268 }; |
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269 const width = +svgWidth - mainMargin.left - mainMargin.right; |
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270 const mainHeight = +svgHeight - mainMargin.top - mainMargin.bottom; |
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271 const navHeight = +svgHeight - navMargin.top - navMargin.bottom; |
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272 |
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273 return { width, mainHeight, navHeight, mainMargin, navMargin }; |
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274 }, |
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275 getExtent(refWaterLevels) { |
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276 const waterlevelsRelevantForExtent = []; |
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277 this.longtermWaterlevels.forEach(wl => { |
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278 waterlevelsRelevantForExtent.push(wl.min, wl.max); |
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279 }); |
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280 waterlevelsRelevantForExtent.push( |
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281 refWaterLevels.HDC + (refWaterLevels.HDC - refWaterLevels.LDC) / 8, |
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282 Math.max( |
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283 refWaterLevels.LDC - (refWaterLevels.HDC - refWaterLevels.LDC) / 4, |
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284 0 |
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285 ) |
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286 ); |
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287 return { |
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288 // set min/max values for the date axis |
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289 date: [startOfYear(new Date()), endOfYear(new Date())], |
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290 // set min/max values for the waterlevel axis |
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291 // including HDC (+ 1/8 HDC-LDC) and LDC (- 1/4 HDC-LDC) |
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292 waterlevel: d3.extent(waterlevelsRelevantForExtent) |
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293 }; |
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294 }, |
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295 getScale() { |
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296 // scaling helpers to convert real world values into pixels |
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297 const x = d3.scaleTime().range([0, this.dimensions.width]); |
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298 const y = d3.scaleLinear().range([this.dimensions.mainHeight, 0]); |
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299 const x2 = d3.scaleTime().range([0, this.dimensions.width]); |
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300 const y2 = d3.scaleLinear().range([this.dimensions.navHeight, 0]); |
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301 |
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302 // setting the min and max values for the diagram axes |
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303 x.domain(d3.extent(this.extent.date)); |
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304 y.domain(this.extent.waterlevel); |
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305 x2.domain(x.domain()); |
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306 y2.domain(y.domain()); |
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307 |
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308 return { x, y, x2, y2 }; |
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309 }, |
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310 getAxes() { |
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311 return { |
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312 x: d3 |
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313 .axisTop(this.scale.x) |
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314 .tickSizeInner(this.dimensions.mainHeight) |
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315 .tickSizeOuter(0) |
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316 .tickFormat(date => { |
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317 // make the x-axis label formats dynamic, based on zoom |
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318 // but never display year numbers since they don't make any sense in |
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319 // this diagram |
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320 return (d3.timeSecond(date) < date |
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321 ? d3.timeFormat(".%L") |
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322 : d3.timeMinute(date) < date |
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323 ? d3.timeFormat(":%S") |
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324 : d3.timeHour(date) < date |
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325 ? d3.timeFormat("%I:%M") |
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326 : d3.timeDay(date) < date |
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327 ? d3.timeFormat("%I %p") |
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328 : d3.timeMonth(date) < date |
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329 ? d3.timeWeek(date) < date |
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330 ? d3.timeFormat("%a %d") |
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331 : d3.timeFormat("%b %d") |
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332 : d3.timeFormat("%B"))(date); |
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333 }), |
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334 y: d3 |
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335 .axisRight(this.scale.y) |
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336 .tickSizeInner(this.dimensions.width) |
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337 .tickSizeOuter(0), |
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338 x2: d3.axisBottom(this.scale.x2) |
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339 }; |
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340 }, |
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341 drawNowLines() { |
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342 const nowLine = d3 |
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343 .line() |
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344 .x(d => this.scale.x(d.x)) |
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345 .y(d => this.scale.y(d.y)); |
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346 |
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347 const nowLabel = selection => { |
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348 selection.attr( |
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349 "transform", |
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350 `translate(${this.scale.x(new Date())}, ${this.scale.y( |
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351 this.extent.waterlevel[1] - 16 |
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352 )})` |
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353 ); |
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354 }; |
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355 |
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356 // draw in main |
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357 this.diagram |
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358 .append("path") |
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359 .datum([ |
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360 { x: new Date(), y: this.extent.waterlevel[0] }, |
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361 { x: new Date(), y: this.extent.waterlevel[1] - 20 } |
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362 ]) |
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363 .attr("class", "now-line") |
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364 .attr("d", nowLine); |
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365 this.diagram // label |
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366 .append("text") |
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367 .text(this.$gettext("Now")) |
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368 .attr("class", "now-line-label") |
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369 .attr("text-anchor", "middle") |
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370 .call(nowLabel); |
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371 |
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372 // draw in nav |
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373 this.navigation |
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374 .append("path") |
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375 .datum([ |
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376 { x: new Date(), y: this.extent.waterlevel[0] }, |
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377 { x: new Date(), y: this.extent.waterlevel[1] - 20 } |
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378 ]) |
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379 .attr("class", "now-line") |
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380 .attr( |
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381 "d", |
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382 d3 |
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383 .line() |
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384 .x(d => this.scale.x2(d.x)) |
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385 .y(d => this.scale.y2(d.y)) |
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386 ); |
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387 |
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388 return () => { |
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389 this.diagram.select(".now-line").attr("d", nowLine); |
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390 this.diagram.select(".now-line-label").call(nowLabel); |
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391 }; |
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392 }, |
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393 drawAxes() { |
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394 this.diagram |
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395 .append("g") |
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Markus Kottlaender <markus@intevation.de>
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|
396 .attr("class", "axis--x") |
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397 .attr("transform", `translate(0, ${this.dimensions.mainHeight})`) |
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398 .call(this.axes.x) |
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|
399 .selectAll(".tick text") |
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Markus Kottlaender <markus@intevation.de>
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|
400 .attr("y", 15); |
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401 this.diagram // label |
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402 .append("text") |
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Markus Kottlaender <markus@intevation.de>
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changeset
|
403 .text(this.$gettext("Waterlevel [cm]")) |
71e7237110ba
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Markus Kottlaender <markus@intevation.de>
parents:
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|
404 .attr("text-anchor", "middle") |
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|
405 .attr( |
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406 "transform", |
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407 `translate(-45, ${this.dimensions.mainHeight / 2}) rotate(-90)` |
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Markus Kottlaender <markus@intevation.de>
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408 ); |
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409 this.diagram |
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Markus Kottlaender <markus@intevation.de>
parents:
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|
410 .append("g") |
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411 .call(this.axes.y) |
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|
412 .selectAll(".tick text") |
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Markus Kottlaender <markus@intevation.de>
parents:
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|
413 .attr("x", -25); |
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Markus Kottlaender <markus@intevation.de>
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changeset
|
414 |
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|
415 this.navigation |
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|
416 .append("g") |
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|
417 .attr("class", "axis axis--x") |
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418 .attr("transform", `translate(0, ${this.dimensions.navHeight})`) |
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Markus Kottlaender <markus@intevation.de>
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419 .call(this.axes.x2); |
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Markus Kottlaender <markus@intevation.de>
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|
420 |
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Markus Kottlaender <markus@intevation.de>
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|
421 return () => { |
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Markus Kottlaender <markus@intevation.de>
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|
422 this.diagram |
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|
423 .select(".axis--x") |
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Markus Kottlaender <markus@intevation.de>
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|
424 .call(this.axes.x) |
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Markus Kottlaender <markus@intevation.de>
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|
425 .selectAll(".tick text") |
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|
426 .attr("y", 15); |
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Markus Kottlaender <markus@intevation.de>
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|
427 }; |
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Markus Kottlaender <markus@intevation.de>
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changeset
|
428 }, |
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Markus Kottlaender <markus@intevation.de>
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|
429 drawWaterlevelMinMaxAreaChart() { |
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430 const areaChart = isNav => |
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|
431 d3 |
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|
432 .area() |
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Markus Kottlaender <markus@intevation.de>
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|
433 .x(d => this.scale[isNav ? "x2" : "x"](d.date)) |
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434 .y0(d => this.scale[isNav ? "y2" : "y"](d.min)) |
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Markus Kottlaender <markus@intevation.de>
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|
435 .y1(d => this.scale[isNav ? "y2" : "y"](d.max)); |
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Markus Kottlaender <markus@intevation.de>
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|
436 |
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Markus Kottlaender <markus@intevation.de>
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|
437 this.diagram |
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|
438 .append("path") |
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client: spuc8: use new endpoints to fetch year based and longterm waterlevel data
Markus Kottlaender <markus@intevation.de>
parents:
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|
439 .datum(this.longtermWaterlevels) |
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|
440 .attr("class", "area") |
2815
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|
441 .attr("d", areaChart()); |
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Markus Kottlaender <markus@intevation.de>
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|
442 |
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|
443 this.navigation |
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|
444 .append("path") |
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Markus Kottlaender <markus@intevation.de>
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|
445 .datum(this.longtermWaterlevels) |
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Markus Kottlaender <markus@intevation.de>
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|
446 .attr("class", "area") |
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Markus Kottlaender <markus@intevation.de>
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|
447 .attr("d", areaChart(true)); |
2791
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|
448 |
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|
449 return () => { |
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|
450 this.diagram.select(".area").attr("d", areaChart()); |
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Markus Kottlaender <markus@intevation.de>
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451 }; |
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Markus Kottlaender <markus@intevation.de>
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|
452 }, |
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Markus Kottlaender <markus@intevation.de>
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|
453 drawWaterlevelLineChart(type, data) { |
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|
454 const lineChart = type => |
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Markus Kottlaender <markus@intevation.de>
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|
455 d3 |
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|
456 .line() |
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Markus Kottlaender <markus@intevation.de>
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|
457 .x(d => this.scale.x(d.date)) |
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Markus Kottlaender <markus@intevation.de>
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|
458 .y(d => this.scale.y(d[type])) |
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Markus Kottlaender <markus@intevation.de>
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|
459 .curve(d3.curveLinear); |
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Markus Kottlaender <markus@intevation.de>
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|
460 this.diagram |
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Markus Kottlaender <markus@intevation.de>
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|
461 .append("path") |
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Markus Kottlaender <markus@intevation.de>
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|
462 .attr("class", "line " + type) |
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Markus Kottlaender <markus@intevation.de>
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|
463 .datum(data || this.longtermWaterlevels) |
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Markus Kottlaender <markus@intevation.de>
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|
464 .attr("d", lineChart(type)); |
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Markus Kottlaender <markus@intevation.de>
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|
465 |
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Markus Kottlaender <markus@intevation.de>
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changeset
|
466 return () => { |
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Markus Kottlaender <markus@intevation.de>
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|
467 this.diagram.select(".line." + type).attr("d", lineChart(type)); |
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Markus Kottlaender <markus@intevation.de>
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|
468 }; |
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Markus Kottlaender <markus@intevation.de>
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changeset
|
469 }, |
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Markus Kottlaender <markus@intevation.de>
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|
470 drawRefLines(refWaterLevels) { |
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Markus Kottlaender <markus@intevation.de>
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|
471 const refWaterlevelLine = d3 |
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|
472 .line() |
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Markus Kottlaender <markus@intevation.de>
parents:
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|
473 .x(d => this.scale.x(d.x)) |
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Markus Kottlaender <markus@intevation.de>
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|
474 .y(d => this.scale.y(d.y)); |
12f053763be2
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Markus Kottlaender <markus@intevation.de>
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|
475 |
2761
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Markus Kottlaender <markus@intevation.de>
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changeset
|
476 // HDC |
2815
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Markus Kottlaender <markus@intevation.de>
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changeset
|
477 this.diagram |
2761
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
478 .append("path") |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
479 .datum([ |
71e7237110ba
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
480 { x: 0, y: refWaterLevels.HDC }, |
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|
481 { x: this.extent.date[1], y: refWaterLevels.HDC } |
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Markus Kottlaender <markus@intevation.de>
parents:
diff
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|
482 ]) |
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client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
483 .attr("class", "hdc-line") |
71e7237110ba
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
484 .attr("d", refWaterlevelLine); |
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|
485 this.diagram // label |
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
486 .append("text") |
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|
487 .text(`HDC (${refWaterLevels.HDC})`) |
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
488 .attr("class", "ref-waterlevel-label") |
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Markus Kottlaender <markus@intevation.de>
parents:
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|
489 .attr("x", 5) |
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client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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490 .attr("y", this.scale.y(refWaterLevels.HDC) - 3); |
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
491 // LDC |
2815
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Markus Kottlaender <markus@intevation.de>
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|
492 this.diagram |
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
493 .append("path") |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
494 .datum([ |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
495 { x: 0, y: refWaterLevels.LDC }, |
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Markus Kottlaender <markus@intevation.de>
parents:
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|
496 { x: this.extent.date[1], y: refWaterLevels.LDC } |
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
497 ]) |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
498 .attr("class", "ldc-line") |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
499 .attr("d", refWaterlevelLine); |
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12f053763be2
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Markus Kottlaender <markus@intevation.de>
parents:
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|
500 this.diagram // label |
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
501 .append("text") |
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Markus Kottlaender <markus@intevation.de>
parents:
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|
502 .text(`LDC (${refWaterLevels.LDC})`) |
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client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
503 .attr("class", "ref-waterlevel-label") |
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client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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|
504 .attr("x", 5) |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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|
505 .attr("y", this.scale.y(refWaterLevels.LDC) - 3); |
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
506 // MW |
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Markus Kottlaender <markus@intevation.de>
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|
507 this.diagram |
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client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
508 .append("path") |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
509 .datum([ |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
510 { x: 0, y: refWaterLevels.MW }, |
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client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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|
511 { x: this.extent.date[1], y: refWaterLevels.MW } |
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
512 ]) |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
513 .attr("class", "mw-line") |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
514 .attr("d", refWaterlevelLine); |
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Markus Kottlaender <markus@intevation.de>
parents:
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diff
changeset
|
515 this.diagram // label |
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71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
516 .append("text") |
2815
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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changeset
|
517 .text(`MW (${refWaterLevels.MW})`) |
2761
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client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
518 .attr("class", "ref-waterlevel-label") |
2815
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
519 .attr("x", 5) |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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|
520 .attr("y", this.scale.y(refWaterLevels.MW) - 3); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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|
521 }, |
12f053763be2
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Markus Kottlaender <markus@intevation.de>
parents:
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diff
changeset
|
522 createZoom(updaters, eventRect) { |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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|
523 const brush = d3 |
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
524 .brushX() |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
525 .handleSize(4) |
2815
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Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
526 .extent([[0, 0], [this.dimensions.width, this.dimensions.navHeight]]); |
2761
71e7237110ba
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
527 |
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Markus Kottlaender <markus@intevation.de>
parents:
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|
528 const zoom = d3 |
2761
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Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
529 .zoom() |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
530 .scaleExtent([1, Infinity]) |
2815
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client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
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|
531 .translateExtent([ |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
532 [0, 0], |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
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changeset
|
533 [this.dimensions.width, this.dimensions.mainHeight] |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
534 ]) |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
535 .extent([[0, 0], [this.dimensions.width, this.dimensions.mainHeight]]); |
2761
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
536 |
2815
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client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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|
537 brush.on("brush end", () => { |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
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changeset
|
538 if (d3.event.sourceEvent && d3.event.sourceEvent.type === "zoom") |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
539 return; // ignore brush-by-zoom |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
540 let s = d3.event.selection || this.scale.x2.range(); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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diff
changeset
|
541 this.scale.x.domain(s.map(this.scale.x2.invert, this.scale.x2)); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
542 updaters.forEach(u => u && u()); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
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changeset
|
543 this.svg |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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diff
changeset
|
544 .select(".zoom") |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
545 .call( |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
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diff
changeset
|
546 zoom.transform, |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
547 d3.zoomIdentity |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
548 .scale(this.dimensions.width / (s[1] - s[0])) |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
549 .translate(-s[0], 0) |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
550 ); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
551 }); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
552 |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
553 zoom.on("zoom", () => { |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
554 if (d3.event.sourceEvent && d3.event.sourceEvent.type === "brush") |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
555 return; // ignore zoom-by-brush |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
556 let t = d3.event.transform; |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
557 this.scale.x.domain(t.rescaleX(this.scale.x2).domain()); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
558 updaters.forEach(u => u && u()); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
559 this.navigation |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
560 .select(".brush") |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
561 .call(brush.move, this.scale.x.range().map(t.invertX, t)); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
562 }); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
563 zoom.on("start", () => { |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
564 this.svg.select(".chart-dot").style("opacity", 0); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
565 this.svg.select(".chart-tooltip").style("opacity", 0); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
566 }); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
567 |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
568 this.navigation |
2761
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
569 .append("g") |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
570 .attr("class", "brush") |
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
571 .call(brush) |
2815
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
572 .call(brush.move, this.scale.x.range()); |
2761
71e7237110ba
client: spuc8: prepared diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
573 |
2815
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
574 eventRect.call(zoom); |
12f053763be2
client: spuc8: finished drawing charts, optimized code
Markus Kottlaender <markus@intevation.de>
parents:
2813
diff
changeset
|
575 }, |
2822
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
576 createTooltips(eventRect) { |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
577 // create clippable container for the dot |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
578 this.diagram |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
579 .append("g") |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
580 .attr("class", "chart-dots") |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
581 .append("circle") |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
582 .attr("class", "chart-dot") |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
583 .attr("r", 4); |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
584 |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
585 // create container for the tooltip |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
586 const tooltip = this.diagram.append("g").attr("class", "chart-tooltip"); |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
587 tooltip |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
588 .append("rect") |
2842
37c2a73ed001
client: diagrams: fixed tooltips in firefox
Markus Kottlaender <markus@intevation.de>
parents:
2839
diff
changeset
|
589 .attr("rx", "0.25em") |
37c2a73ed001
client: diagrams: fixed tooltips in firefox
Markus Kottlaender <markus@intevation.de>
parents:
2839
diff
changeset
|
590 .attr("ry", "0.25em"); |
2822
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
591 |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
592 // create container for multiple text rows |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
593 const tooltipText = tooltip.append("text").attr("text-anchor", "middle"); |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
594 |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
595 // padding inside the tooltip box and diagram padding to determine left |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
596 // and right offset from the diagram boundaries for the tooltip position. |
f2e4c39cdcfa
client: spuc8: implemented tooltips
Markus Kottlaender <markus@intevation.de>
parents:
2815
diff
changeset
|
597 const tooltipPadding = 10; |
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client: spuc8: implemented tooltips
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598 const diagramPadding = 5; |
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599 |
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600 eventRect |
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601 .on("mouseover", () => { |
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602 this.diagram.select(".chart-dot").style("opacity", 1); |
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603 this.diagram.select(".chart-tooltip").style("opacity", 1); |
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604 }) |
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605 .on("mouseout", () => { |
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606 this.diagram.select(".chart-dot").style("opacity", 0); |
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607 this.diagram.select(".chart-tooltip").style("opacity", 0); |
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608 }) |
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609 .on("mousemove", () => { |
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610 // find data point closest to mouse |
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611 const x0 = this.scale.x.invert( |
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612 d3.mouse(document.querySelector(".zoom"))[0] |
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613 ), |
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614 i = d3.bisector(d => d.date).left(this.longtermWaterlevels, x0, 1), |
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615 d0 = this.longtermWaterlevels[i - 1], |
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616 d1 = this.longtermWaterlevels[i] || d0, |
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617 d = x0 - d0.date > d1.date - x0 ? d1 : d0; |
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618 |
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619 const coords = { |
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620 x: this.scale.x(d.date), |
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621 y: this.scale.y(d.median) |
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622 }; |
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623 |
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624 // position the dot |
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625 this.diagram |
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626 .select(".chart-dot") |
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627 .style("opacity", 1) |
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628 .attr("transform", `translate(${coords.x}, ${coords.y})`); |
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629 |
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630 // remove current texts |
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631 tooltipText.selectAll("tspan").remove(); |
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632 |
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633 // write date |
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634 tooltipText |
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635 .append("tspan") |
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636 .attr("dominant-baseline", "hanging") |
2822
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637 .attr("text-anchor", "middle") |
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638 .text( |
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639 d.date.toLocaleString([], { |
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640 year: "2-digit", |
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641 month: "2-digit", |
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642 day: "2-digit" |
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643 }) |
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644 ); |
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645 |
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|
646 tooltipText |
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647 .append("tspan") |
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648 .attr("x", 0) |
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649 .attr("y", 0) |
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|
650 .attr("dy", "1.4em") |
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|
651 .attr("dominant-baseline", "hanging") |
2822
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652 .attr("text-anchor", "middle") |
2829
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653 .text(`Q75%: ${d.q75} cm`); |
2822
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654 tooltipText |
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|
655 .append("tspan") |
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656 .attr("x", 0) |
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657 .attr("y", 0) |
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658 .attr("dy", "2.6em") |
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|
659 .attr("dominant-baseline", "hanging") |
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660 .attr("text-anchor", "middle") |
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661 .text(`Median: ${d.median} cm`); |
2822
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|
662 tooltipText |
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663 .append("tspan") |
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664 .attr("x", 0) |
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665 .attr("y", 0) |
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666 .attr("dy", "3.8em") |
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667 .attr("dominant-baseline", "hanging") |
2822
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|
668 .attr("text-anchor", "middle") |
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669 .text(`Q25%: ${d.q25} cm`); |
2822
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670 tooltipText |
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|
671 .append("tspan") |
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672 .attr("x", 0) |
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changeset
|
673 .attr("y", 0) |
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674 .attr("dy", "5em") |
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|
675 .attr("dominant-baseline", "hanging") |
2822
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|
676 .attr("text-anchor", "middle") |
2829
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|
677 .text(`Max: ${d.max} cm`); |
2822
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678 tooltipText |
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|
679 .append("tspan") |
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|
680 .attr("x", 0) |
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|
681 .attr("y", 0) |
2842
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|
682 .attr("dy", "6.2em") |
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|
683 .attr("dominant-baseline", "hanging") |
2822
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|
684 .attr("text-anchor", "middle") |
2829
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|
685 .text(`Min: ${d.min} cm`); |
2822
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|
686 |
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|
687 const dYear = this.yearWaterlevels.find( |
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688 ywl => ywl.date.getTime() === d.date.getTime() |
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|
689 ); |
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|
690 if (dYear) { |
f2e4c39cdcfa
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|
691 tooltipText |
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changeset
|
692 .append("tspan") |
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|
693 .attr("x", 0) |
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diff
changeset
|
694 .attr("y", 0) |
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|
695 .attr("dy", "7.4em") |
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|
696 .attr("dominant-baseline", "hanging") |
2822
f2e4c39cdcfa
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changeset
|
697 .attr("text-anchor", "middle") |
2829
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|
698 .text(`${this.yearCompare}: ${dYear.mean.toFixed(1)} cm`); |
2822
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|
699 } |
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|
700 |
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changeset
|
701 // get text dimensions |
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|
702 const textBBox = tooltipText.node().getBBox(); |
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|
703 |
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changeset
|
704 this.diagram |
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changeset
|
705 .selectAll(".chart-tooltip text tspan") |
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|
706 .attr("x", textBBox.width / 2 + tooltipPadding) |
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changeset
|
707 .attr("y", tooltipPadding); |
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changeset
|
708 |
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changeset
|
709 // position and scale tooltip box |
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|
710 const xMax = |
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diff
changeset
|
711 this.dimensions.width - |
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|
712 (textBBox.width + diagramPadding + tooltipPadding * 2); |
f2e4c39cdcfa
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713 const tooltipX = Math.max( |
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714 diagramPadding, |
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715 Math.min(coords.x - (textBBox.width + tooltipPadding * 2) / 2, xMax) |
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716 ); |
2824
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717 let tooltipY = coords.y - (textBBox.height + tooltipPadding * 2) - 10; |
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718 if (coords.y < textBBox.height + tooltipPadding * 2) { |
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719 tooltipY = coords.y + 10; |
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720 } |
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721 |
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722 this.diagram |
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723 .select(".chart-tooltip") |
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724 .style("opacity", 1) |
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725 .attr("transform", `translate(${tooltipX}, ${tooltipY})`) |
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726 .select("rect") |
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727 .attr("width", textBBox.width + tooltipPadding * 2) |
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728 .attr("height", textBBox.height + tooltipPadding * 2); |
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729 }); |
2761
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730 } |
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731 }, |
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732 created() { |
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733 window.addEventListener("resize", debounce(this.drawDiagram), 100); |
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734 }, |
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735 mounted() { |
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736 this.drawDiagram(); |
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737 }, |
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738 updated() { |
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739 this.drawDiagram(); |
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740 } |
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741 }; |
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742 </script> |