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annotate client/src/components/map/Maplayer.vue @ 1272:bc55ffaeb639

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cleaned up client/src directory better organization of files and directories, better naming, separation of admin and map context
author Markus Kottlaender <markus@intevation.de>
date Thu, 22 Nov 2018 07:07:12 +0100
parents
children 99c039e86624
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1272
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1 <template>
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2 <div id="map" :class="mapStyle"></div>
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3 </template>
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4
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5 <style lang="sass" scoped>
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6 .nocursor
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7 cursor: none
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8
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9 .mapsplit
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10 height: 50vh
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11
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12 .mapfull
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13 height: 100vh
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14
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15 @media print
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16 .mapfull
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17 width: 2000px
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18 height: 2828px
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19
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20 .mapsplit
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21 width: 2000px
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22 height: 2828px
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23 </style>
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24
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25 <script>
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26 /*
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27 * This is Free Software under GNU Affero General Public License v >= 3.0
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28 * without warranty, see README.md and license for details.
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29 *
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30 * SPDX-License-Identifier: AGPL-3.0-or-later
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31 * License-Filename: LICENSES/AGPL-3.0.txt
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32 *
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33 * Copyright (C) 2018 by via donau
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34 * – Österreichische Wasserstraßen-Gesellschaft mbH
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35 * Software engineering by Intevation GmbH
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36 *
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37 * Author(s):
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38 * * Thomas Junk <thomas.junk@intevation.de>
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39 * * Bernhard E. Reiter <bernhard.reiter@intevation.de>
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40 */
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41 import { HTTP } from "../../lib/http";
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42 import { mapGetters, mapState } from "vuex";
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43 import "ol/ol.css";
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44 import { Map, View } from "ol";
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45 import { WFS, GeoJSON } from "ol/format.js";
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46 import { Stroke, Style, Fill } from "ol/style.js";
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47 import { getCenter } from "ol/extent";
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48
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49 /* for the sake of debugging */
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50 /* eslint-disable no-console */
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51 export default {
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52 name: "maplayer",
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53 props: ["lat", "long", "zoom", "split"],
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54 data() {
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55 return {
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56 projection: "EPSG:3857"
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57 };
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58 },
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59 computed: {
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60 ...mapGetters("map", ["getLayerByName"]),
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61 ...mapState("map", [
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62 "layers",
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63 "openLayersMap",
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64 "lineTool",
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65 "polygonTool",
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66 "cutTool"
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67 ]),
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68 ...mapState("bottlenecks", ["selectedSurvey"]),
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69 mapStyle() {
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70 return {
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71 mapfull: !this.split,
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72 mapsplit: this.split,
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73 nocursor: this.hasActiveInteractions
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74 };
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75 },
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76 hasActiveInteractions() {
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77 return (
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78 (this.lineTool && this.lineTool.getActive()) ||
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79 (this.polygonTool && this.polygonTool.getActive()) ||
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80 (this.cutTool && this.cutTool.getActive())
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81 );
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82 }
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83 },
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84 methods: {
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85 identify(coordinate, pixel) {
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86 if (!this.hasActiveInteractions) {
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87 this.$store.commit("map/setIdentifiedFeatures", []);
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88 // checking our WFS layers
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89 var features = this.openLayersMap.getFeaturesAtPixel(pixel);
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90 if (features) {
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91 this.$store.commit("map/setIdentifiedFeatures", features);
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92
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93 // get selected bottleneck from identified features
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94 for (let feature of features) {
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95 let id = feature.getId();
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96 // RegExp.prototype.test() works with number, str and undefined
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97 if (/^bottlenecks\./.test(id)) {
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98 this.$store.dispatch(
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99 "bottlenecks/setSelectedBottleneck",
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100 feature.get("objnam")
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101 );
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102 this.$store.commit("map/moveMap", {
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103 coordinates: getCenter(
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104 feature
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105 .getGeometry()
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106 .clone()
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107 .transform("EPSG:3857", "EPSG:4326")
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108 .getExtent()
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109 ),
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110 zoom: 17,
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111 preventZoomOut: true
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112 });
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113 }
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114 }
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115 }
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116
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117 // DEBUG output and example how to remove the GeometryName
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118 /*
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119 for (let feature of features) {
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120 console.log("Identified:", feature.getId());
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121 for (let key of feature.getKeys()) {
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122 if (key != feature.getGeometryName()) {
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123 console.log(key, feature.get(key));
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124 }
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125 }
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126 }
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127 */
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128
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129 // trying the GetFeatureInfo way for WMS
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130 var wmsSource = this.getLayerByName(
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131 "Inland ECDIS chart Danube"
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132 ).data.getSource();
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133 var url = wmsSource.getGetFeatureInfoUrl(
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134 coordinate,
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135 100 /* resolution */,
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136 "EPSG:3857",
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137 // { INFO_FORMAT: "application/vnd.ogc.gml" } // not allowed by d4d
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138 { INFO_FORMAT: "text/plain" }
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139 );
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140
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141 if (url) {
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142 // cannot directly query here because of SOP
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143 console.log("GetFeatureInfo url:", url);
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144 }
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145 }
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146 },
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147 buildVectorLoader(featureRequestOptions, endpoint, vectorSource) {
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148 // build a function to be used for VectorSource.setLoader()
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149 // make use of WFS().writeGetFeature to build the request
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150 // and use our HTTP library to actually do it
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151 // NOTE: a) the geometryName has to be given in featureRequestOptions,
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152 // because we want to load depending on the bbox
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153 // b) the VectorSource has to have the option strategy: bbox
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154 featureRequestOptions["outputFormat"] = "application/json";
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155 var loader = function(extent, resolution, projection) {
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156 featureRequestOptions["bbox"] = extent;
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157 featureRequestOptions["srsName"] = projection.getCode();
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158 var featureRequest = new WFS().writeGetFeature(featureRequestOptions);
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159 // DEBUG console.log(featureRequest);
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160 HTTP.post(
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161 endpoint,
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162 new XMLSerializer().serializeToString(featureRequest),
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163 {
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164 headers: {
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165 "X-Gemma-Auth": localStorage.getItem("token"),
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166 "Content-type": "text/xml; charset=UTF-8"
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167 }
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168 }
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169 )
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170 .then(response => {
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171 var features = new GeoJSON().readFeatures(
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172 JSON.stringify(response.data)
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173 );
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174 vectorSource.addFeatures(features);
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175 // console.log(
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176 // "loaded",
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177 // features.length,
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178 // featureRequestOptions.featureTypes,
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179 // "features"
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180 // );
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181 // DEBUG console.log("loaded ", features, "for", vectorSource);
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182 // eslint-disable-next-line
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183 })
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184 .catch(() => {
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185 vectorSource.removeLoadedExtent(extent);
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186 });
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187 };
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188 return loader;
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189 },
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190 updateBottleneckFilter(bottleneck_id, datestr) {
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191 console.log("updating filter with", bottleneck_id, datestr);
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192 var layer = this.getLayerByName("Bottleneck isolines");
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193 var wmsSrc = layer.data.getSource();
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194
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195 if (bottleneck_id != "does_not_exist") {
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196 wmsSrc.updateParams({
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197 cql_filter:
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198 "date_info='" +
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199 datestr +
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200 "' AND bottleneck_id='" +
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201 bottleneck_id +
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202 "'"
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203 });
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204 layer.isVisible = true;
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205 layer.data.setVisible(true);
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206 } else {
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207 layer.isVisible = false;
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208 layer.data.setVisible(false);
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209 }
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210 },
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211 onBeforePrint(/* evt */) {
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212 // console.log("onBeforePrint(", evt ,")");
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213 //
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214 // the following code shows how to get the current map canvas
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215 // and change it, however this does not work well enough, as
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216 // another mechanism seems to update the size again before the rendering
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217 // for printing is done:
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218 // console.log(this.openLayersMap.getViewport());
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219 // var canvas = this.openLayersMap.getViewport().getElementsByTagName("canvas")[0];
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220 // console.log(canvas);
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221 // canvas.width=1000;
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222 // canvas.height=1414;
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223 //
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224 // An experiment which also did not work:
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225 // this.openLayersMap.setSize([1000, 1414]); // estimate portait DIN A4
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226 //
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227 // according to documentation
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228 // http://openlayers.org/en/latest/apidoc/module-ol_PluggableMap-PluggableMap.html#updateSize
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229 // "Force a recalculation of the map viewport size. This should be called when third-party code changes the size of the map viewport."
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230 // but did not help
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231 // this.openLayersMap.updateSize();
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232 },
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233 onAfterPrint(/* evt */) {
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234 // could be used to undo changes that have been done for printing
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235 // though https://www.tjvantoll.com/2012/06/15/detecting-print-requests-with-javascript/
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236 // reported that this was not feasable (back then).
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237 // console.log("onAfterPrint(", evt, ")");
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238 }
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239 },
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240 watch: {
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241 split() {
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242 const map = this.openLayersMap;
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243 this.$nextTick(() => {
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244 map.updateSize();
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245 });
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246 },
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247 selectedSurvey(newSelectedSurvey) {
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248 if (newSelectedSurvey) {
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249 this.updateBottleneckFilter(
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250 newSelectedSurvey.bottleneck_id,
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251 newSelectedSurvey.date_info
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252 );
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253 } else {
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254 this.updateBottleneckFilter("does_not_exist", "1999-10-01");
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255 }
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256 }
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257 },
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258 mounted() {
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259 let map = new Map({
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260 layers: [...this.layers.map(x => x.data)],
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261 target: "map",
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262 controls: [],
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263 view: new View({
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264 center: [this.long, this.lat],
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265 zoom: this.zoom,
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266 projection: this.projection
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267 })
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268 });
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269 this.$store.commit("map/setOpenLayersMap", map);
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270
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271 // TODO make display of layers more dynamic, e.g. from a list
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272
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273 // loading the full WFS layer, by not setting the loader function
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274 // and without bboxStrategy
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275 var featureRequest = new WFS().writeGetFeature({
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276 srsName: "EPSG:3857",
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277 featureNS: "gemma",
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278 featurePrefix: "gemma",
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279 featureTypes: ["fairway_dimensions"],
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280 outputFormat: "application/json"
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281 });
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282
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283 // NOTE: loading the full fairway_dimensions makes sure
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284 // that all are available for the intersection with the profile
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285 HTTP.post(
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286 "/internal/wfs",
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287 new XMLSerializer().serializeToString(featureRequest),
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288 {
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289 headers: {
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290 "X-Gemma-Auth": localStorage.getItem("token"),
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291 "Content-type": "text/xml; charset=UTF-8"
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292 }
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293 }
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294 ).then(response => {
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295 var features = new GeoJSON().readFeatures(JSON.stringify(response.data));
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296 var vectorSrc = this.getLayerByName(
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297 "Fairway Dimensions"
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298 ).data.getSource();
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299 vectorSrc.addFeatures(features);
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300 // would scale to the extend of all resulting features
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301 // this.openLayersMap.getView().fit(vectorSrc.getExtent());
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302 });
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303
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304 // load following layers with bboxStrategy (using our request builder)
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305 var layer = null;
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306
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307 layer = this.getLayerByName("Waterway Area");
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308 layer.data.getSource().setLoader(
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309 this.buildVectorLoader(
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310 {
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311 featurePrefix: "ws-wamos",
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312 featureTypes: ["ienc_wtware"],
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313 geometryName: "geom"
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314 },
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315 "/external/d4d",
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316 layer.data.getSource()
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317 )
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318 );
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319
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320 layer = this.getLayerByName("Waterway Axis");
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321 layer.data.getSource().setLoader(
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322 this.buildVectorLoader(
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323 {
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324 featurePrefix: "ws-wamos",
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325 featureTypes: ["ienc_wtwaxs"],
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326 geometryName: "geom"
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327 },
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328 "/external/d4d",
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329 layer.data.getSource()
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330 )
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331 );
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332
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333 layer = this.getLayerByName("Distance marks");
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334 layer.data.getSource().setLoader(
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335 this.buildVectorLoader(
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336 {
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337 featurePrefix: "ws-wamos",
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338 featureTypes: ["ienc_dismar"],
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339 geometryName: "geom" //,
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340 /* restrict loading approximately to extend of danube in Austria */
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341 // filter: bboxFilter("geom", [13.3, 48.0, 17.1, 48.6], "EPSG:4326")
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342 },
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343 "/external/d4d",
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344 layer.data.getSource()
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345 )
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346 );
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347 layer.data.setVisible(layer.isVisible);
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348
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349 layer = this.getLayerByName("Distance marks, Axis");
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350 layer.data.getSource().setLoader(
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351 this.buildVectorLoader(
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352 {
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353 featureNS: "gemma",
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354 featurePrefix: "gemma",
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355 featureTypes: ["distance_marks_geoserver"],
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356 geometryName: "geom"
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357 },
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358 "/internal/wfs",
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359 layer.data.getSource()
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360 )
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361 );
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362
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363 layer = this.getLayerByName("Waterway Area, named");
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364 layer.data.getSource().setLoader(
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365 this.buildVectorLoader(
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366 {
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367 featureNS: "gemma",
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368 featurePrefix: "gemma",
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369 featureTypes: ["hydro_seaare"],
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370 geometryName: "geom"
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371 },
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372 "/external/d4d",
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373 layer.data.getSource()
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374 )
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375 );
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376 layer.data.setVisible(layer.isVisible);
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377
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378 layer = this.getLayerByName("Bottlenecks");
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379 layer.data.getSource().setLoader(
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380 this.buildVectorLoader(
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381 {
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382 featureNS: "gemma",
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383 featurePrefix: "gemma",
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384 featureTypes: ["bottlenecks"],
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385 geometryName: "area"
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386 },
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387 "/internal/wfs",
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388 layer.data.getSource()
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389 )
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390 );
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391 HTTP.get("/system/style/Bottlenecks/stroke", {
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392 headers: { "X-Gemma-Auth": localStorage.getItem("token") }
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393 })
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394 .then(response => {
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395 this.btlnStrokeC = response.data.code;
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396 HTTP.get("/system/style/Bottlenecks/fill", {
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397 headers: { "X-Gemma-Auth": localStorage.getItem("token") }
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398 })
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399 .then(response => {
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400 this.btlnFillC = response.data.code;
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401 var newstyle = new Style({
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402 stroke: new Stroke({
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403 color: this.btlnStrokeC,
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404 width: 4
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405 }),
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406 fill: new Fill({
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407 color: this.btlnFillC
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408 })
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409 });
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410 layer.data.setStyle(newstyle);
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411 })
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412 .catch(error => {
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413 console.log(error);
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414 });
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415 })
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416 .catch(error => {
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417 console.log(error);
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418 });
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419
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420 window.addEventListener("beforeprint", this.onBeforePrint);
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421 window.addEventListener("afterprint", this.onAfterPrint);
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422
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423 // so none is shown
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424 this.updateBottleneckFilter("does_not_exist", "1999-10-01");
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425 this.openLayersMap.on(["singleclick", "dblclick"], event => {
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426 this.identify(event.coordinate, event.pixel);
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427 });
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428 }
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429 };
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430 </script>