Mercurial > gemma
view client/src/components/Maplayer.vue @ 2503:51dbcbf11c5f critical-bottlenecks
client: addendum for e13daf439068
Of course, as you'd expect, this only solves the problem if you don't care about
significant changes in the tables sorting behavior. To point out the difference
this commit shows the other way to solve the problem without changing the tables
behavior.
author | Markus Kottlaender <markus@intevation.de> |
---|---|
date | Mon, 04 Mar 2019 16:28:49 +0100 |
parents | 7247eb03e7c0 |
children | 89c439721db2 |
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<template> <div id="map" :class="mapStyle"></div> </template> <style lang="scss" scoped> .nocursor { cursor: none; } .mapsplit { height: 50vh; } .mapfull { height: 100vh; } </style> <script> /* This is Free Software under GNU Affero General Public License v >= 3.0 * without warranty, see README.md and license for details. * * SPDX-License-Identifier: AGPL-3.0-or-later * License-Filename: LICENSES/AGPL-3.0.txt * * Copyright (C) 2018, 2019 by via donau * – Österreichische Wasserstraßen-Gesellschaft mbH * Software engineering by Intevation GmbH * * Author(s): * * Thomas Junk <thomas.junk@intevation.de> * * Bernhard E. Reiter <bernhard.reiter@intevation.de> */ import { HTTP } from "@/lib/http"; import { mapGetters, mapState } from "vuex"; import "ol/ol.css"; import { Map, View } from "ol"; import { WFS, GeoJSON } from "ol/format.js"; import { equalTo } from "ol/format/filter.js"; import { Stroke, Style, Fill } from "ol/style.js"; import { displayError } from "@/lib/errors.js"; import { LAYERS } from "@/store/map.js"; /* for the sake of debugging */ /* eslint-disable no-console */ export default { name: "maplayer", data() { return { projection: "EPSG:3857" }; }, computed: { ...mapGetters("map", ["getLayerByName", "getVSourceByName"]), ...mapState("map", [ "initialLoad", "extent", "layers", "openLayersMap", "lineTool", "polygonTool", "cutTool" ]), ...mapState("bottlenecks", ["selectedSurvey"]), ...mapState("application", ["showSplitscreen"]), mapStyle() { return { mapfull: !this.showSplitscreen, mapsplit: this.showSplitscreen, nocursor: this.hasActiveInteractions }; }, hasActiveInteractions() { return ( (this.lineTool && this.lineTool.getActive()) || (this.polygonTool && this.polygonTool.getActive()) || (this.cutTool && this.cutTool.getActive()) ); } }, methods: { buildVectorLoader(featureRequestOptions, endpoint, vectorSource) { // build a function to be used for VectorSource.setLoader() // make use of WFS().writeGetFeature to build the request // and use our HTTP library to actually do it // NOTE: a) the geometryName has to be given in featureRequestOptions, // because we want to load depending on the bbox // b) the VectorSource has to have the option strategy: bbox featureRequestOptions["outputFormat"] = "application/json"; var loader = function(extent, resolution, projection) { featureRequestOptions["bbox"] = extent; featureRequestOptions["srsName"] = projection.getCode(); var featureRequest = new WFS().writeGetFeature(featureRequestOptions); // DEBUG console.log(featureRequest); HTTP.post( endpoint, new XMLSerializer().serializeToString(featureRequest), { headers: { "X-Gemma-Auth": localStorage.getItem("token"), "Content-type": "text/xml; charset=UTF-8" } } ) .then(response => { var features = new GeoJSON().readFeatures( JSON.stringify(response.data) ); vectorSource.addFeatures(features); // console.log( // "loaded", // features.length, // featureRequestOptions.featureTypes, // "features" // ); // DEBUG console.log("loaded ", features, "for", vectorSource); // eslint-disable-next-line }) .catch(() => { vectorSource.removeLoadedExtent(extent); }); }; return loader; }, updateBottleneckFilter(bottleneck_id, datestr) { console.log("updating filter with", bottleneck_id, datestr); const layer = this.getLayerByName(LAYERS.BOTTLENECKISOLINE); const wmsSrc = layer.data.getSource(); const exists = bottleneck_id != "does_not_exist"; if (exists) { wmsSrc.updateParams({ cql_filter: "date_info='" + datestr + "' AND bottleneck_id='" + bottleneck_id + "'" }); } layer.isVisible = exists; layer.data.setVisible(exists); } }, watch: { showSplitscreen() { const map = this.openLayersMap; this.$nextTick(() => { map && map.updateSize(); }); }, selectedSurvey(newSelectedSurvey) { if (newSelectedSurvey) { this.updateBottleneckFilter( newSelectedSurvey.bottleneck_id, newSelectedSurvey.date_info ); } else { this.updateBottleneckFilter("does_not_exist", "1999-10-01"); } } }, mounted() { let map = new Map({ layers: [...this.layers.map(x => x.data)], target: "map", controls: [], view: new View({ center: [this.extent.lon, this.extent.lat], minZoom: 5, // restrict zooming out to ~size of Europe for width 1000px zoom: this.extent.zoom, projection: this.projection }) }); map.on("moveend", event => { const center = event.map.getView().getCenter(); this.$store.commit("map/extent", { lat: center[1], lon: center[0], zoom: event.map.getView().getZoom() }); }); this.$store.dispatch("map/openLayersMap", map); if (this.initialLoad) { this.$store.commit("map/initialLoad", false); var currentUser = this.$store.state.user.user; HTTP.get("/users/" + currentUser, { headers: { "X-Gemma-Auth": localStorage.getItem("token"), "Content-type": "text/xml; charset=UTF-8" } }) .then(response => { this.$store.commit("map/moveToBoundingBox", { boundingBox: [ response.data.extent.x1, response.data.extent.y1, response.data.extent.x2, response.data.extent.y2 ], zoom: 17, preventZoomOut: true }); }) .catch(error => { const { status, data } = error.response; displayError({ title: this.$gettext("Backend Error"), message: `${status}: ${data.message || data}` }); }); } // TODO make display of layers more dynamic, e.g. from a list // load different fairway dimension layers (level of service) [ LAYERS.FAIRWAYDIMENSIONSLOS1, LAYERS.FAIRWAYDIMENSIONSLOS2, LAYERS.FAIRWAYDIMENSIONSLOS3 ].forEach((los, i) => { // loading the full WFS layer without bboxStrategy var source = this.getVSourceByName(los); /*eslint-disable no-unused-vars */ var loader = function(extent, resolution, projection) { var featureRequest = new WFS().writeGetFeature({ srsName: "EPSG:3857", featureNS: "gemma", featurePrefix: "gemma", featureTypes: ["fairway_dimensions"], outputFormat: "application/json", filter: equalTo("level_of_service", i + 1) }); featureRequest["outputFormat"] = "application/json"; // NOTE: loading the full fairway_dimensions makes sure // that all are available for the intersection with the profile HTTP.post( "/internal/wfs", new XMLSerializer().serializeToString(featureRequest), { headers: { "X-Gemma-Auth": localStorage.getItem("token"), "Content-type": "text/xml; charset=UTF-8" } } ).then(response => { source.addFeatures( new GeoJSON().readFeatures(JSON.stringify(response.data)) ); // would scale to the extend of all resulting features // this.openLayersMap.getView().fit(vectorSrc.getExtent()); }); }; layer = this.getLayerByName(los); layer.data.getSource().setLoader(loader); layer.data.setVisible(layer.isVisible); }); // load following layers with bboxStrategy (using our request builder) var layer = null; layer = this.getLayerByName(LAYERS.WATERWAYAREA); layer.data.getSource().setLoader( this.buildVectorLoader( { featureNS: "gemma", featurePrefix: "gemma", featureTypes: ["waterway_area"], geometryName: "area" }, "/internal/wfs", layer.data.getSource() ) ); layer.data.setVisible(layer.isVisible); layer = this.getLayerByName(LAYERS.WATERWAYAXIS); layer.data.getSource().setLoader( this.buildVectorLoader( { featureNS: "gemma", featurePrefix: "gemma", featureTypes: ["waterway_axis"], geometryName: "wtwaxs" }, "/internal/wfs", layer.data.getSource() ) ); layer.data.setVisible(layer.isVisible); layer = this.getLayerByName(LAYERS.WATERWAYPROFILES); layer.data.getSource().setLoader( this.buildVectorLoader( { featureNS: "gemma", featurePrefix: "gemma", featureTypes: ["waterway_profiles"], geometryName: "geom" }, "/internal/wfs", layer.data.getSource() ) ); layer.data.setVisible(layer.isVisible); layer = this.getLayerByName(LAYERS.DISTANCEMARKS); layer.data.getSource().setLoader( this.buildVectorLoader( { featureNS: "gemma", featurePrefix: "gemma", featureTypes: ["distance_marks_ashore_geoserver"], geometryName: "geom" }, "/internal/wfs", layer.data.getSource() ) ); layer.data.setVisible(layer.isVisible); layer = this.getLayerByName(LAYERS.DISTANCEMARKSAXIS); layer.data.getSource().setLoader( this.buildVectorLoader( { featureNS: "gemma", featurePrefix: "gemma", featureTypes: ["distance_marks_geoserver"], geometryName: "geom" }, "/internal/wfs", layer.data.getSource() ) ); layer.data.setVisible(layer.isVisible); layer = this.getLayerByName(LAYERS.GAUGES); layer.data.getSource().setLoader( this.buildVectorLoader( { featureNS: "gemma", featurePrefix: "gemma", featureTypes: ["gauges_geoserver"], geometryName: "geom" }, "/internal/wfs", layer.data.getSource() ) ); layer.data.setVisible(layer.isVisible); layer = this.getLayerByName(LAYERS.STRETCHES); layer.data.getSource().setLoader( this.buildVectorLoader( { featureNS: "gemma", featurePrefix: "gemma", featureTypes: ["stretches_geoserver"], geometryName: "area" }, "/internal/wfs", layer.data.getSource() ) ); layer.data.setVisible(layer.isVisible); layer = this.getLayerByName(LAYERS.BOTTLENECKSTATUS); layer.data.getSource().setLoader( this.buildVectorLoader( { featureNS: "gemma", featurePrefix: "gemma", featureTypes: ["bottlenecks_geoserver"], geometryName: "area" }, "/internal/wfs", layer.data.getSource() ) ); layer = this.getLayerByName(LAYERS.BOTTLENECKS); layer.data.getSource().setLoader( this.buildVectorLoader( { featureNS: "gemma", featurePrefix: "gemma", featureTypes: ["bottlenecks_geoserver"], geometryName: "area" }, "/internal/wfs", layer.data.getSource() ) ); layer.data.setVisible(layer.isVisible); HTTP.get("/system/style/Bottlenecks/stroke", { headers: { "X-Gemma-Auth": localStorage.getItem("token") } }) .then(response => { let btlnStrokeC = response.data.code; HTTP.get("/system/style/Bottlenecks/fill", { headers: { "X-Gemma-Auth": localStorage.getItem("token") } }) .then(response => { let btlnFillC = response.data.code; var newStyle = new Style({ stroke: new Stroke({ color: btlnStrokeC, width: 4 }), fill: new Fill({ color: btlnFillC }) }); layer.data.setStyle(function(feature, resolution) { if (resolution <= 50) { return newStyle; } return null; }); }) .catch(error => { console.log(error); }); }) .catch(error => { console.log(error); }); // so none is shown this.updateBottleneckFilter("does_not_exist", "1999-10-01"); this.$store.dispatch("map/disableIdentifyTool"); this.$store.dispatch("map/enableIdentifyTool"); } }; </script>