Mercurial > gemma
annotate client/src/components/gauge/Waterlevel.vue @ 2821:f87783a28c34
client: spuc7: removed console log
author | Markus Kottlaender <markus@intevation.de> |
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date | Wed, 27 Mar 2019 11:36:15 +0100 |
parents | d973d6f04eb6 |
children | d7c4169516fa |
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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 .line |
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15 clip-path: url(#clip) |
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16 path |
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17 stroke: steelblue |
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18 stroke-width: 2 |
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19 fill: none |
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20 &.d3-line-chunked-chunk-gap |
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21 stroke-opacity: 0 |
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22 circle |
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23 stroke-width: 0 |
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24 fill: steelblue |
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25 &.d3-line-chunked-chunk-predicted-point |
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26 fill-opacity: 0.6 |
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27 |
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28 .hdc-line, |
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29 .ldc-line, |
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30 .mw-line |
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31 stroke-width: 1 |
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32 fill: none |
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33 clip-path: url(#clip) |
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34 .hdc-line |
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35 stroke: red |
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36 .ldc-line |
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37 stroke: green |
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38 .mw-line |
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39 stroke: grey |
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40 .ref-waterlevel-label |
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41 font-size: 11px |
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42 fill: #999 |
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43 .hdc-ldc-area |
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44 fill: rgba(0, 255, 0, 0.1) |
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45 .now-line |
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46 stroke: #999 |
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47 stroke-width: 1 |
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48 stroke-dasharray: 5, 5 |
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49 clip-path: url(#clip) |
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50 .now-line-label |
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51 font-size: 11px |
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52 fill: #999 |
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53 .prediction-area |
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54 fill: steelblue |
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55 fill-opacity: 0.2 |
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56 clip-path: url(#clip) |
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57 |
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58 path.nash-sutcliffe |
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59 fill: none |
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60 stroke: black |
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61 stroke-width: 1 |
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62 clip-path: url(#clip) |
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63 &.ns72 |
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64 fill: rgba(0, 0, 0, 0.05) |
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65 text.nash-sutcliffe |
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66 font-size: 10px |
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67 clip-path: url(#clip) |
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68 tspan:last-child |
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69 font-size: 9px |
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70 fill: #777 |
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71 |
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72 .tick |
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73 line |
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74 stroke-dasharray: 5 |
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75 stroke: #ccc |
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76 |
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77 .zoom |
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78 cursor: move |
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79 fill: none |
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80 pointer-events: all |
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81 .brush |
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82 .selection |
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83 stroke: none |
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84 fill-opacity: 0.2 |
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85 .handle |
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86 stroke: rgba($color-info, 0.5) |
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87 fill: rgba($color-info, 0.5) |
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88 |
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89 .chart-dots |
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90 clip-path: url(#clip) |
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91 .chart-dot |
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92 fill: steelblue |
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93 stroke: steelblue |
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94 pointer-events: none |
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95 opacity: 0 |
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96 transition: opacity 0.1s |
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97 .chart-tooltip |
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98 opacity: 0 |
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99 transition: opacity 0.3s |
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100 rect |
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101 fill: #fff |
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102 stroke: #ccc |
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103 text |
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104 fill: #666 |
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105 font-size: 12px |
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106 </style> |
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107 |
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108 <script> |
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109 /* This is Free Software under GNU Affero General Public License v >= 3.0 |
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110 * without warranty, see README.md and license for details. |
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111 * |
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112 * SPDX-License-Identifier: AGPL-3.0-or-later |
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113 * License-Filename: LICENSES/AGPL-3.0.txt |
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114 * |
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115 * Copyright (C) 2018 by via donau |
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116 * – Österreichische Wasserstraßen-Gesellschaft mbH |
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117 * Software engineering by Intevation GmbH |
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118 * |
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119 * Author(s): |
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120 * Markus Kottländer <markus.kottlaender@intevation.de> |
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121 */ |
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122 |
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123 import { mapState, mapGetters } from "vuex"; |
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124 import * as d3Base from "d3"; |
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125 import { lineChunked } from "d3-line-chunked"; |
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126 import { startOfDay, endOfDay } from "date-fns"; |
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127 import debounce from "debounce"; |
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128 |
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129 // we should load only d3 modules we need but for now we'll go with the lazy way |
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130 // https://www.giacomodebidda.com/how-to-import-d3-plugins-with-webpack/ |
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131 // d3-line-chunked plugin: https://github.com/pbeshai/d3-line-chunked |
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132 const d3 = Object.assign(d3Base, { lineChunked }); |
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133 |
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134 export default { |
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135 data() { |
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136 return { |
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137 svg: null, |
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138 diagram: null, |
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139 navigation: null, |
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140 dimensions: null, |
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141 extent: null, |
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142 scale: null, |
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143 axes: null |
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144 }; |
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145 }, |
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146 computed: { |
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147 ...mapState("gauges", ["dateFrom", "waterlevels", "nashSutcliffe"]), |
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148 ...mapGetters("gauges", ["selectedGauge"]) |
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149 }, |
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150 methods: { |
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151 drawDiagram() { |
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152 // remove old diagram and exit if necessary data is missing |
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153 d3.select(".diagram-container svg").remove(); |
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154 if (!this.selectedGauge || !this.waterlevels.length) return; |
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155 |
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156 // PREPARE HELPERS |
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157 |
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158 // HDC/LDC/MW for the selected gauge |
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159 const refWaterLevels = JSON.parse( |
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160 this.selectedGauge.properties.reference_water_levels |
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161 ); |
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162 |
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163 // dimensions (widths, heights, margins) |
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164 this.dimensions = this.getDimensions(); |
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165 |
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166 // get min/max values for date and waterlevel axis |
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167 this.extent = this.getExtent(refWaterLevels); |
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168 |
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169 // scaling helpers |
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170 this.scale = this.getScale(); |
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171 |
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172 // creating the axes based on the scales |
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173 this.axes = { |
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174 x: d3 |
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175 .axisTop(this.scale.x) |
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176 .tickSizeInner(this.dimensions.mainHeight) |
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177 .tickSizeOuter(0), |
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178 y: d3 |
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179 .axisRight(this.scale.y) |
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180 .tickSizeInner(this.dimensions.width) |
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181 .tickSizeOuter(0), |
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182 x2: d3.axisBottom(this.scale.x2) |
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183 }; |
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184 |
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185 // DRAW DIAGRAM/NAVIGATION AREAS |
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186 |
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187 // create svg |
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188 this.svg = d3 |
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189 .select(".diagram-container") |
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190 .append("svg") |
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191 .attr("width", "100%") |
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192 .attr("height", "100%"); |
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193 |
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194 // create container for main diagram |
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195 this.diagram = this.svg |
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196 .append("g") |
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197 .attr("class", "main") |
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198 .attr( |
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199 "transform", |
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200 `translate(${this.dimensions.mainMargin.left}, ${ |
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201 this.dimensions.mainMargin.top |
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202 })` |
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203 ); |
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204 |
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205 // create container for navigation diagram |
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206 this.navigation = this.svg |
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207 .append("g") |
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208 .attr("class", "nav") |
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209 .attr( |
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210 "transform", |
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211 `translate(${this.dimensions.navMargin.left}, ${ |
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212 this.dimensions.navMargin.top |
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213 })` |
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214 ); |
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215 |
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216 // define visible area, everything outside this area will be hidden |
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217 this.svg |
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218 .append("defs") |
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219 .append("clipPath") |
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220 .attr("id", "clip") |
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221 .append("rect") |
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222 .attr("width", this.dimensions.width) |
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223 .attr("height", this.dimensions.mainHeight); |
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224 |
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225 // DRAW DIAGRAM PARTS |
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226 |
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227 // Each drawSomething function (with the exception of drawRefLines) |
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228 // returns a fuction to update the respective chart/area/etc. These |
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229 // updater functions are used by the zoom feature to rescale all elements. |
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230 const updaters = []; |
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231 |
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232 // draw |
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233 this.drawRefLines(refWaterLevels); // static, doesn't need an updater |
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234 updaters.push(this.drawAxes()); |
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235 updaters.push(this.drawWaterlevelCharts()); |
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236 updaters.push(this.drawNowLines()); |
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237 updaters.push(this.drawPredictionAreas()); |
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238 updaters.push(this.drawNashSutcliffe(24)); |
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239 updaters.push(this.drawNashSutcliffe(48)); |
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240 updaters.push(this.drawNashSutcliffe(72)); |
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241 |
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242 // INTERACTIONS |
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243 |
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244 // create rectanlge on the main chart area to capture mouse events |
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245 const eventRect = this.svg |
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246 .append("rect") |
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247 .attr("class", "zoom") |
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248 .attr("width", this.dimensions.width) |
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249 .attr("height", this.dimensions.mainHeight) |
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250 .attr( |
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251 "transform", |
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252 `translate(${this.dimensions.mainMargin.left}, ${ |
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253 this.dimensions.mainMargin.top |
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254 })` |
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255 ); |
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256 |
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257 this.createZoom(updaters, eventRect); |
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258 this.createTooltips(eventRect); |
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259 }, |
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260 getDimensions() { |
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261 // dimensions and margins |
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262 const svgWidth = document.querySelector(".diagram-container").clientWidth; |
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263 const svgHeight = document.querySelector(".diagram-container") |
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264 .clientHeight; |
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265 const mainMargin = { top: 20, right: 20, bottom: 110, left: 80 }; |
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266 const navMargin = { |
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267 top: svgHeight - mainMargin.top - 65, |
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268 right: 20, |
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269 bottom: 30, |
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270 left: 80 |
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271 }; |
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272 const width = +svgWidth - mainMargin.left - mainMargin.right; |
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273 const mainHeight = +svgHeight - mainMargin.top - mainMargin.bottom; |
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274 const navHeight = +svgHeight - navMargin.top - navMargin.bottom; |
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275 |
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276 return { width, mainHeight, navHeight, mainMargin, navMargin }; |
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277 }, |
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278 getExtent(refWaterLevels) { |
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279 return { |
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280 // set min/max values for the date axis |
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281 date: [ |
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282 startOfDay(this.dateFrom), |
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283 endOfDay(this.waterlevels[this.waterlevels.length - 1].date) |
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284 ], |
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285 // set min/max values for the waterlevel axis |
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286 // including HDC (+ 1/8 HDC-LDC) and LDC (- 1/4 HDC-LDC) |
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287 waterlevel: d3.extent( |
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288 [ |
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289 ...this.waterlevels, |
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290 { |
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291 waterlevel: |
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292 refWaterLevels.HDC + |
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293 (refWaterLevels.HDC - refWaterLevels.LDC) / 8 |
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294 }, |
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295 { |
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296 waterlevel: Math.max( |
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297 refWaterLevels.LDC - |
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298 (refWaterLevels.HDC - refWaterLevels.LDC) / 4, |
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299 0 |
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300 ) |
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301 } |
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302 ], |
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303 d => d.waterlevel |
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304 ) |
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305 }; |
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306 }, |
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307 getScale() { |
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308 // scaling helpers to convert real world values into pixels |
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309 const x = d3.scaleTime().range([0, this.dimensions.width]); |
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310 const y = d3.scaleLinear().range([this.dimensions.mainHeight, 0]); |
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311 const x2 = d3.scaleTime().range([0, this.dimensions.width]); |
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312 const y2 = d3.scaleLinear().range([this.dimensions.navHeight, 0]); |
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313 |
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314 // setting the min and max values for the diagram axes |
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315 x.domain(d3.extent(this.extent.date)); |
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316 y.domain(this.extent.waterlevel); |
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317 x2.domain(x.domain()); |
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318 y2.domain(y.domain()); |
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319 |
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320 return { x, y, x2, y2 }; |
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321 }, |
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322 drawAxes() { |
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323 this.diagram |
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324 .append("g") |
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325 .attr("class", "axis--x") |
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326 .attr("transform", `translate(0, ${this.dimensions.mainHeight})`) |
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327 .call(this.axes.x) |
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328 .selectAll(".tick text") |
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329 .attr("y", 15); |
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330 this.diagram // label |
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331 .append("text") |
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332 .text(this.$gettext("Waterlevel [cm]")) |
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333 .attr("text-anchor", "middle") |
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334 .attr( |
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335 "transform", |
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336 `translate(-45, ${this.dimensions.mainHeight / 2}) rotate(-90)` |
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337 ); |
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338 this.diagram |
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339 .append("g") |
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340 .call(this.axes.y) |
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341 .selectAll(".tick text") |
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342 .attr("x", -25); |
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343 |
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344 this.navigation |
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345 .append("g") |
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346 .attr("class", "axis axis--x") |
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347 .attr("transform", `translate(0, ${this.dimensions.navHeight})`) |
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348 .call(this.axes.x2); |
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349 |
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350 return () => { |
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351 this.diagram |
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352 .select(".axis--x") |
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353 .call(this.axes.x) |
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354 .selectAll(".tick text") |
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355 .attr("y", 15); |
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356 }; |
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357 }, |
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358 drawWaterlevelCharts() { |
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359 const waterlevelChartDrawer = isNav => { |
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360 return d3 |
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361 .lineChunked() |
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362 .x(d => this.scale[isNav ? "x2" : "x"](d.date)) |
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363 .y(d => this.scale[isNav ? "y2" : "y"](d.waterlevel)) |
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364 .curve(d3.curveLinear) |
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365 .isNext(this.isNext(900)) |
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366 .pointAttrs({ r: isNav ? 1.7 : 2.2 }) |
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367 .chunk(d => (d.predicted ? "predicted" : "line")) |
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368 .chunkDefinitions({ predicted: {} }); |
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369 }; |
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370 |
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371 this.diagram |
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372 .append("g") |
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373 .attr("class", "line") |
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374 .datum(this.waterlevels) |
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375 .call(waterlevelChartDrawer()); |
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376 |
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377 this.navigation |
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378 .append("g") |
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379 .attr("class", "line") |
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380 .datum(this.waterlevels) |
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381 .call(waterlevelChartDrawer(true)); |
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382 |
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383 return () => { |
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384 this.diagram.select(".line").call(waterlevelChartDrawer()); |
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385 }; |
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386 }, |
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387 drawNowLines() { |
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388 const nowLine = d3 |
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389 .line() |
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390 .x(d => this.scale.x(d.x)) |
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391 .y(d => this.scale.y(d.y)); |
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392 |
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393 const nowLabel = selection => { |
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394 selection.attr( |
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395 "transform", |
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396 `translate(${this.scale.x(new Date())}, ${this.scale.y( |
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397 this.extent.waterlevel[1] - 16 |
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398 )})` |
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399 ); |
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400 }; |
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401 |
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402 // draw in main |
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403 this.diagram |
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404 .append("path") |
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405 .datum([ |
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406 { x: new Date(), y: this.extent.waterlevel[0] }, |
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407 { x: new Date(), y: this.extent.waterlevel[1] - 20 } |
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408 ]) |
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409 .attr("class", "now-line") |
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410 .attr("d", nowLine); |
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411 this.diagram // label |
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412 .append("text") |
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413 .text(this.$gettext("Now")) |
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414 .attr("class", "now-line-label") |
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415 .attr("text-anchor", "middle") |
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416 .call(nowLabel); |
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417 |
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418 // draw in nav |
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419 this.navigation |
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420 .append("path") |
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421 .datum([ |
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422 { x: new Date(), y: this.extent.waterlevel[0] }, |
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423 { x: new Date(), y: this.extent.waterlevel[1] - 20 } |
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424 ]) |
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425 .attr("class", "now-line") |
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426 .attr( |
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427 "d", |
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428 d3 |
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429 .line() |
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430 .x(d => this.scale.x2(d.x)) |
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431 .y(d => this.scale.y2(d.y)) |
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432 ); |
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433 |
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434 return () => { |
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435 this.diagram.select(".now-line").attr("d", nowLine); |
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436 this.diagram.select(".now-line-label").call(nowLabel); |
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437 }; |
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438 }, |
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439 drawPredictionAreas() { |
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440 const predictionArea = isNav => |
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441 d3 |
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442 .area() |
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443 .defined(d => d.predicted && d.min && d.max) |
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444 .x(d => this.scale[isNav ? "x2" : "x"](d.date)) |
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445 .y0(d => this.scale[isNav ? "y2" : "y"](d.min)) |
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446 .y1(d => this.scale[isNav ? "y2" : "y"](d.max)); |
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447 |
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448 this.diagram |
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449 .append("path") |
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450 .datum(this.waterlevels) |
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451 .attr("class", "prediction-area") |
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452 .attr("d", predictionArea()); |
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453 |
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454 this.navigation |
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455 .append("path") |
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456 .datum(this.waterlevels) |
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457 .attr("class", "prediction-area") |
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458 .attr("d", predictionArea(true)); |
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459 |
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460 return () => { |
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461 this.diagram.select(".prediction-area").attr("d", predictionArea()); |
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462 }; |
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463 }, |
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464 drawRefLines(refWaterLevels) { |
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465 // filling area between HDC and LDC |
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466 this.diagram |
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467 .append("rect") |
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468 .attr("class", "hdc-ldc-area") |
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469 .attr("x", 0) |
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470 .attr("y", this.scale.y(refWaterLevels.HDC)) |
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471 .attr("width", this.dimensions.width) |
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472 .attr( |
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473 "height", |
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474 this.scale.y(refWaterLevels.LDC) - this.scale.y(refWaterLevels.HDC) |
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475 ); |
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476 |
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477 const refWaterlevelLine = d3 |
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478 .line() |
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479 .x(d => this.scale.x(d.x)) |
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480 .y(d => this.scale.y(d.y)); |
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481 |
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482 // HDC |
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483 this.diagram |
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484 .append("path") |
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485 .datum([ |
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486 { x: 0, y: refWaterLevels.HDC }, |
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487 { x: this.extent.date[1], y: refWaterLevels.HDC } |
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488 ]) |
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489 .attr("class", "hdc-line") |
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490 .attr("d", refWaterlevelLine); |
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491 this.diagram // label |
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492 .append("text") |
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493 .text(`HDC (${refWaterLevels.HDC})`) |
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494 .attr("class", "ref-waterlevel-label") |
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495 .attr("x", 5) |
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496 .attr("y", this.scale.y(refWaterLevels.HDC) - 3); |
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497 // LDC |
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498 this.diagram |
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499 .append("path") |
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500 .datum([ |
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501 { x: 0, y: refWaterLevels.LDC }, |
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502 { x: this.extent.date[1], y: refWaterLevels.LDC } |
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503 ]) |
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504 .attr("class", "ldc-line") |
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505 .attr("d", refWaterlevelLine); |
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506 this.diagram // label |
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507 .append("text") |
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508 .text(`LDC (${refWaterLevels.LDC})`) |
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509 .attr("class", "ref-waterlevel-label") |
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510 .attr("x", 5) |
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511 .attr("y", this.scale.y(refWaterLevels.LDC) - 3); |
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512 // MW |
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513 this.diagram |
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514 .append("path") |
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515 .datum([ |
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516 { x: 0, y: refWaterLevels.MW }, |
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517 { x: this.extent.date[1], y: refWaterLevels.MW } |
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518 ]) |
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519 .attr("class", "mw-line") |
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parents:
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520 .attr("d", refWaterlevelLine); |
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521 this.diagram // label |
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522 .append("text") |
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523 .text(`MW (${refWaterLevels.MW})`) |
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|
524 .attr("class", "ref-waterlevel-label") |
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525 .attr("x", 5) |
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526 .attr("y", this.scale.y(refWaterLevels.MW) - 3); |
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527 }, |
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528 drawNashSutcliffe(hours) { |
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529 const coeff = this.nashSutcliffe.coeffs.find(c => c.hours === hours); |
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530 const dateNow = new Date(this.nashSutcliffe.when); |
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531 const dateStart = new Date(dateNow.getTime() - hours * 60 * 60 * 1000); |
2751
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532 |
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533 const nashSutcliffeBox = hours => { |
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534 return d3 |
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535 .area() |
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536 .x(d => this.scale.x(d)) |
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537 .y0(() => this.dimensions.mainHeight + 0.5) |
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538 .y1(() => this.dimensions.mainHeight - 15 * (hours / 24)); |
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539 }; |
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Markus Kottlaender <markus@intevation.de>
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|
540 |
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541 const nashSutcliffeLabel = (label, date, hours) => { |
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542 let days = hours / 24; |
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client: waterlevel diagram: implemented nash-sutcliffe
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|
543 label |
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diff
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|
544 .attr("x", this.scale.x(date) + 3) |
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Markus Kottlaender <markus@intevation.de>
parents:
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545 .attr("y", this.dimensions.mainHeight - (15 * days + 0.5) + 12); |
2751
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Markus Kottlaender <markus@intevation.de>
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diff
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|
546 }; |
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parents:
2728
diff
changeset
|
547 |
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|
548 // Show nash-sutcliffe only when x-axis extent is smaller than 35 days |
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parents:
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549 // (3024000000 ms). Since it shows squares representing 1, 2 and 3 days |
2751
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parents:
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diff
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|
550 // it does not make sense to show them on a x-axis with hundres of days. |
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|
551 if ( |
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Markus Kottlaender <markus@intevation.de>
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552 coeff.samples && |
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Markus Kottlaender <markus@intevation.de>
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553 this.scale.x.domain()[1] - this.scale.x.domain()[0] < 3024000000 |
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parents:
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|
554 ) { |
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Markus Kottlaender <markus@intevation.de>
parents:
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diff
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|
555 this.diagram |
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Markus Kottlaender <markus@intevation.de>
parents:
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|
556 .append("path") |
eb91ad1d7a93
client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
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|
557 .datum([dateStart, dateNow]) |
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client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
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|
558 .attr("class", "nash-sutcliffe ns" + hours) |
eb91ad1d7a93
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Markus Kottlaender <markus@intevation.de>
parents:
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diff
changeset
|
559 .attr("d", nashSutcliffeBox(hours)); |
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Markus Kottlaender <markus@intevation.de>
parents:
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diff
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|
560 this.diagram |
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Markus Kottlaender <markus@intevation.de>
parents:
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|
561 .append("text") |
eb91ad1d7a93
client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
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|
562 .attr("class", "nash-sutcliffe ns" + hours) |
eb91ad1d7a93
client: waterlevel diagram: optimized code for better readability
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parents:
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diff
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|
563 .call(nashSutcliffeLabel, dateStart, hours) |
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Markus Kottlaender <markus@intevation.de>
parents:
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|
564 .append("tspan") |
eb91ad1d7a93
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Markus Kottlaender <markus@intevation.de>
parents:
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|
565 .text(coeff.value.toFixed(2)) |
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client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
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|
566 .select(function() { |
eb91ad1d7a93
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Markus Kottlaender <markus@intevation.de>
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diff
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|
567 return this.parentNode; |
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parents:
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diff
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|
568 }) |
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Markus Kottlaender <markus@intevation.de>
parents:
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diff
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|
569 .append("tspan") |
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client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
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diff
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|
570 .text(` (${coeff.samples})`) |
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client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
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|
571 .attr("dy", -1); |
eb91ad1d7a93
client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
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changeset
|
572 |
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client: waterlevel diagram: optimized code for better readability
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|
573 return () => { |
eb91ad1d7a93
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Markus Kottlaender <markus@intevation.de>
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diff
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|
574 this.diagram |
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parents:
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diff
changeset
|
575 .select("path.nash-sutcliffe.ns" + hours) |
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576 .attr("d", nashSutcliffeBox(hours)); |
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577 this.diagram |
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578 .select("text.nash-sutcliffe.ns" + hours) |
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parents:
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579 .call(nashSutcliffeLabel, dateStart, hours); |
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580 }; |
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581 } |
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582 }, |
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583 createZoom(updaters, eventRect) { |
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584 const brush = d3 |
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585 .brushX() |
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586 .handleSize(4) |
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587 .extent([[0, 0], [this.dimensions.width, this.dimensions.navHeight]]); |
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588 |
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589 const zoom = d3 |
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590 .zoom() |
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591 .scaleExtent([1, Infinity]) |
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592 .translateExtent([ |
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|
593 [0, 0], |
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594 [this.dimensions.width, this.dimensions.mainHeight] |
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595 ]) |
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596 .extent([[0, 0], [this.dimensions.width, this.dimensions.mainHeight]]); |
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597 |
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598 brush.on("brush end", () => { |
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599 if (d3.event.sourceEvent && d3.event.sourceEvent.type === "zoom") |
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600 return; // ignore brush-by-zoom |
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601 let s = d3.event.selection || this.scale.x2.range(); |
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602 this.scale.x.domain(s.map(this.scale.x2.invert, this.scale.x2)); |
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603 updaters.forEach(u => u && u()); |
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604 this.svg |
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605 .select(".zoom") |
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606 .call( |
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607 zoom.transform, |
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608 d3.zoomIdentity |
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609 .scale(this.dimensions.width / (s[1] - s[0])) |
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610 .translate(-s[0], 0) |
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611 ); |
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612 }); |
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613 |
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614 zoom.on("zoom", () => { |
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615 if (d3.event.sourceEvent && d3.event.sourceEvent.type === "brush") |
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616 return; // ignore zoom-by-brush |
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617 let t = d3.event.transform; |
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618 this.scale.x.domain(t.rescaleX(this.scale.x2).domain()); |
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619 updaters.forEach(u => u && u()); |
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620 this.navigation |
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621 .select(".brush") |
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622 .call(brush.move, this.scale.x.range().map(t.invertX, t)); |
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623 }); |
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624 zoom.on("start", () => { |
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625 this.svg.select(".chart-dot").style("opacity", 0); |
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626 this.svg.select(".chart-tooltip").style("opacity", 0); |
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627 }); |
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|
628 |
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629 this.navigation |
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630 .append("g") |
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631 .attr("class", "brush") |
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|
632 .call(brush) |
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633 .call(brush.move, this.scale.x.range()); |
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|
634 |
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635 eventRect.call(zoom); |
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636 }, |
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|
637 createTooltips(eventRect) { |
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638 // create clippable container for the dot |
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639 this.diagram |
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|
640 .append("g") |
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|
641 .attr("class", "chart-dots") |
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642 .append("circle") |
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643 .attr("class", "chart-dot") |
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parents:
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|
644 .attr("r", 4); |
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645 |
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646 // create container for the tooltip |
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647 const tooltip = this.diagram.append("g").attr("class", "chart-tooltip"); |
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|
648 tooltip |
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|
649 .append("rect") |
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650 .attr("rx", "0.25rem") |
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|
651 .attr("ry", "0.25rem"); |
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|
652 |
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parents:
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653 // create container for multiple text rows |
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654 const tooltipText = tooltip.append("text").attr("text-anchor", "middle"); |
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|
655 |
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|
656 // padding inside the tooltip box and diagram padding to determine left |
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657 // and right offset from the diagram boundaries for the tooltip position. |
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658 const tooltipPadding = 10; |
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659 const diagramPadding = 5; |
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|
660 |
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661 eventRect |
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662 .on("mouseover", () => { |
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663 this.diagram.select(".chart-dot").style("opacity", 1); |
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664 this.diagram.select(".chart-tooltip").style("opacity", 1); |
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|
665 }) |
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|
666 .on("mouseout", () => { |
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667 this.diagram.select(".chart-dot").style("opacity", 0); |
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668 this.diagram.select(".chart-tooltip").style("opacity", 0); |
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669 }) |
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670 .on("mousemove", () => { |
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671 // find data point closest to mouse |
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|
672 const x0 = this.scale.x.invert( |
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673 d3.mouse(document.querySelector(".zoom"))[0] |
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|
674 ), |
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675 i = d3.bisector(d => d.date).left(this.waterlevels, x0, 1), |
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676 d0 = this.waterlevels[i - 1], |
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677 d1 = this.waterlevels[i] || d0, |
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678 d = x0 - d0.date > d1.date - x0 ? d1 : d0; |
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|
679 |
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|
680 const coords = { |
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681 x: this.scale.x(d.date), |
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682 y: this.scale.y(d.waterlevel) |
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|
683 }; |
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684 |
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|
685 // position the dot |
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client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
686 this.diagram |
2689
8f919fe629f9
client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents:
2684
diff
changeset
|
687 .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
|
688 .style("opacity", 1) |
2816
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
689 .attr("transform", `translate(${coords.x}, ${coords.y})`); |
c02cebff3f16
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Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
690 |
2819
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
691 // remove current texts |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
692 tooltipText.selectAll("tspan").remove(); |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
693 |
2816
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
694 // write date |
2819
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
695 tooltipText |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
696 .append("tspan") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
697 .attr("alignment-baseline", "hanging") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
698 .attr("text-anchor", "middle") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
699 .text( |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
700 d.date.toLocaleString([], { |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
701 year: "2-digit", |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
702 month: "2-digit", |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
703 day: "2-digit", |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
704 hour: "2-digit", |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
705 minute: "2-digit" |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
706 }) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
707 ); |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
708 |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
709 if (d.predicted) { |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
710 tooltipText |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
711 .append("tspan") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
712 .attr("x", 0) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
713 .attr("y", 0) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
714 .attr("dy", "1.3rem") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
715 .attr("alignment-baseline", "hanging") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
716 .attr("text-anchor", "middle") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
717 .text(d.max + " cm"); |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
718 tooltipText |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
719 .append("tspan") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
720 .attr("x", 0) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
721 .attr("y", 0) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
722 .attr("dy", "2.3rem") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
723 .attr("alignment-baseline", "hanging") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
724 .attr("text-anchor", "middle") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
725 .attr("class", "font-weight-bold") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
726 .text(d.waterlevel + " cm"); |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
727 tooltipText |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
728 .append("tspan") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
729 .attr("x", 0) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
730 .attr("y", 0) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
731 .attr("dy", "3.3rem") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
732 .attr("alignment-baseline", "hanging") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
733 .attr("text-anchor", "middle") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
734 .text(d.min + " cm"); |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
735 } else { |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
736 tooltipText |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
737 .append("tspan") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
738 .attr("x", 0) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
739 .attr("y", 0) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
740 .attr("dy", "1.3rem") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
741 .attr("alignment-baseline", "hanging") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
742 .attr("text-anchor", "middle") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
743 .attr("class", "font-weight-bold") |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
744 .text(d.waterlevel + " cm"); |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
745 } |
2816
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
746 |
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
747 // get text dimensions |
2819
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
748 const textBBox = tooltipText.node().getBBox(); |
2816
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
749 |
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
750 this.diagram |
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
751 .selectAll(".chart-tooltip text tspan") |
2819
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
752 .attr("x", textBBox.width / 2 + tooltipPadding) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
753 .attr("y", tooltipPadding); |
2816
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
754 |
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
755 // position and scale tooltip box |
2819
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
756 const xMax = |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
757 this.dimensions.width - |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
758 (textBBox.width + diagramPadding + tooltipPadding * 2); |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
759 const tooltipX = Math.max( |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
760 diagramPadding, |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
761 Math.min(coords.x - (textBBox.width + tooltipPadding * 2) / 2, xMax) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
762 ); |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
763 const tooltipY = |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
764 coords.y - (textBBox.height + tooltipPadding * 2) - 10; |
2816
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
765 this.diagram |
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
766 .select(".chart-tooltip") |
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
767 .style("opacity", 1) |
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
768 .attr("transform", `translate(${tooltipX}, ${tooltipY})`) |
c02cebff3f16
client: SPUC7/8: fix tooltip size and positioning
Markus Kottlaender <markus@intevation.de>
parents:
2810
diff
changeset
|
769 .select("rect") |
2819
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
770 .attr("width", textBBox.width + tooltipPadding * 2) |
53c2bd009c68
client: diagrams: further improved tooltip positioning/sizing
Markus Kottlaender <markus@intevation.de>
parents:
2816
diff
changeset
|
771 .attr("height", textBBox.height + tooltipPadding * 2); |
2689
8f919fe629f9
client: waterlevel diagram: added tooltips showing date and waterlevel on the chart
Markus Kottlaender <markus@intevation.de>
parents:
2684
diff
changeset
|
772 }); |
2805
eb91ad1d7a93
client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
2794
diff
changeset
|
773 }, |
eb91ad1d7a93
client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
2794
diff
changeset
|
774 isNext(seconds) { |
eb91ad1d7a93
client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
2794
diff
changeset
|
775 // helper to check whether points in the chart are "next to each other" |
eb91ad1d7a93
client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
2794
diff
changeset
|
776 // for that they need to be exactly the specified amount of seconds apart. |
eb91ad1d7a93
client: waterlevel diagram: optimized code for better readability
Markus Kottlaender <markus@intevation.de>
parents:
2794
diff
changeset
|
777 return (prev, current) => current.date - prev.date === seconds * 1000; |
2590
1686ec185155
client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
778 } |
1686ec185155
client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
779 }, |
1686ec185155
client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
780 created() { |
1686ec185155
client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
781 window.addEventListener("resize", debounce(this.drawDiagram), 100); |
1686ec185155
client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
782 }, |
2810
97cf32cf2562
client: waterlevel diagram: draw diagram when component is mounted
Markus Kottlaender <markus@intevation.de>
parents:
2805
diff
changeset
|
783 mounted() { |
97cf32cf2562
client: waterlevel diagram: draw diagram when component is mounted
Markus Kottlaender <markus@intevation.de>
parents:
2805
diff
changeset
|
784 this.drawDiagram(); |
97cf32cf2562
client: waterlevel diagram: draw diagram when component is mounted
Markus Kottlaender <markus@intevation.de>
parents:
2805
diff
changeset
|
785 }, |
2590
1686ec185155
client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
786 updated() { |
1686ec185155
client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
787 this.drawDiagram(); |
1686ec185155
client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
788 } |
1686ec185155
client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
789 }; |
1686ec185155
client: added gauge waterlevel example diagram
Markus Kottlaender <markus@intevation.de>
parents:
diff
changeset
|
790 </script> |