Query task with geometry..?

Rocky_ — Tue, 21 Aug 2018 17:31:21 GMT
Is it possible to perform qeury task using geometries...? Wanna get results using square area or circle area on map..?
Thanks
Re: Query task with geometry..?

RobertScheitlin__GISP — Tue, 21 Aug 2018 17:34:26 GMT
RAJ,
Sure here is a sample that queries based on the view extent.
https://developers.arcgis.com/javascript/latest/sample-code/sandbox/index.html?sample=featurelayerview-query
Re: Query task with geometry..?

Rocky_ — Tue, 21 Aug 2018 18:10:20 GMT
Above sample also helpful. But am looking for user defined geometry query task (spatial filter).. So he can draw a geometry(extent, circle, freehand polygon ) along with query task.. So the result combined both ones..
Re: Query task with geometry..?

RobertScheitlin__GISP — Tue, 21 Aug 2018 18:41:12 GMT
RAJ,
For something like that you would have to combine this sample with what you have:
https://developers.arcgis.com/javascript/latest/sample-code/sandbox/index.html?sample=sketch-geometries
Re: Query task with geometry..?

Rocky_ — Tue, 21 Aug 2018 18:48:34 GMT
Thank you for the link Robert.. I'll try to combine it along with the query task..
Re: Query task with geometry..?

Rocky_ — Thu, 23 Aug 2018 20:37:58 GMT
Hi Robert, I tried to add this spatial filter into existing query but cant able to use it with queries. can you help me out..only able to use as a sketch tool to draw these geometries..
Re: Query task with geometry..?

RobertScheitlin__GISP — Thu, 23 Aug 2018 20:42:51 GMT
Post what have tried and I will point out issues.
Re: Query task with geometry..?

Rocky_ — Thu, 23 Aug 2018 20:47:01 GMT
Am sharing fiddle. Please check it once.
QueryTask - 4.8\n \n \n\n\n\n \n \n Prominent Peaks in the U.S.\n \n US Fires\n US Peaks\n…
Re: Query task with geometry..?

RobertScheitlin__GISP — Sat, 11 Dec 2021 09:22:10 GMT
RAJ,
You were not far from the answer you just were not doing anything with the drawn geometry.
require([
        "esri/Map",
        "esri/views/MapView",
        "esri/widgets/Home",
        "esri/widgets/Legend",
        "esri/widgets/Search",
        "esri/layers/GraphicsLayer",
        "esri/Graphic",
        "esri/widgets/Sketch/SketchViewModel",
        "esri/tasks/QueryTask",
        "esri/tasks/support/Query",
        "dojo/_base/array",
        "dojo/dom",
        "dojo/on",
        "dgrid/OnDemandGrid",
        "dgrid/extensions/ColumnHider",
        "dojo/store/Memory",
        "dstore/legacy/StoreAdapter",
        "dgrid/Selection",
        "dojo/_base/declare",
        "dojo/dom-class",
        "dojo/domReady!"
      ],

      function(
        Map, MapView, Home, Legend, Search, GraphicsLayer, Graphic, SketchViewModel, QueryTask, Query, arrayUtils, dom, on,
        OnDemandGrid, ColumnHider, Memory, StoreAdapter, Selection, declare, domClass
      ) {
        let map, view, grid, editGraphic;

                    const tempGraphicsLayer = new GraphicsLayer();

        let RUrl = "https://services.arcgis.com/V6ZHFr6zdgNZuVG0/arcgis/rest/services/Prominent_Peaks_US/FeatureServer/0";
        let FUrl = "https://services.arcgis.com/V6ZHFr6zdgNZuVG0/ArcGIS/rest/services/2015_06_26_active_fires_USA_contiguous_and_Hawaii_24h/FeatureServer/0";

        let gridFields = ["__OBJECTID", "RANK", "MTN_PEAK", "STATE",
          "ELEV_ft", "ELEV_m", "PROMINENCE_ft", "PROMINENCE_m"
        ];

        // create a new datastore for the on demandgrid
        // will be used to display attributes of selected features
        let dataStore = new StoreAdapter({
          objectStore: new Memory({
            idProperty: "__OBJECTID"
          })
        });

        const gridDis = document.getElementById("gridDisplay");

        // Define the popup content for each result
        const popupTemplate = { // autocasts as new PopupTemplate()
          title: "{MTN_PEAK}, {STATE}",
          fieldInfos: [{
            fieldName: "ELEV_ft",
            label: "Elevation (feet)",
            format: {
              places: 0,
              digitSeperator: true
            }
          }, {
            fieldName: "ELEV_m",
            label: "Elevation (meters)",
            format: {
              places: 0,
              digitSeperator: true
            }
          }, {
            fieldName: "PROMINENCE_ft",
            label: "Prominence (feet)",
            format: {
              places: 0,
              digitSeperator: true
            }
          }, {
            fieldName: "PROMINENCE_m",
            label: "Prominence (meters)",
            format: {
              places: 0,
              digitSeperator: true
            }
          }, {
            fieldName: "ISOLATION_mi",
            label: "Isolation (miles)",
            format: {
              places: 0,
              digitSeperator: true
            }
          }, {
            fieldName: "ISOLATION_km",
            label: "Isolation (km)",
            format: {
              places: 0,
              digitSeperator: true
            }
          }],
          content: "<b><a href='https://en.wikipedia.org/wiki/Topographic_prominence'>Prominence:</a>" +
            "</b> {PROMINENCE_ft} ft ({PROMINENCE_m} m)" +
            "<br><b>Prominence Rank:</b> {RANK}" +
            "<br><b>Elevation:</b> {ELEV_ft} ft ({ELEV_m} m)" +
            "<br><b><a href='https://en.wikipedia.org/wiki/Topographic_isolation'>Isolation:</a>" +
            "</b> {ISOLATION_mi} mi ({ISOLATION_km} km)"
        };

        // Define the popup content for each result
        const popupTemplate2 = { // autocasts as new PopupTemplate()
          title: "{TRACK}",
          fieldInfos: [{
            fieldName: "TRACK",
            label: "Track"
          }, {
            fieldName: "BRIGHT_T31",
            label: "Brightness",
            format: {
              places: 0,
              digitSeperator: true
            }
          }, {
            fieldName: "CONFIDENCE",
            label: "Confidence"
          }, {
            fieldName: "SCAN",
            label: "Scan",
            format: {
              places: 0,
              digitSeperator: true
            }
          }],
          content: "Brightness: {BRIGHT_T31}" +
            "<br><b>Prominence Rank:</b> {RANK}" +
            "<br><b>Confidence:</b> {CONFIDENCE}" +
            "<br><b>Scan: {SCAN}"
        };

        let resultsLayer = new GraphicsLayer();
        let resultsLayer2 = new GraphicsLayer();

        let qTask = new QueryTask({
          url: RUrl
        });
        let qTask2 = new QueryTask({
          url: FUrl
        });

        let params = new Query({
          returnGeometry: true
        });

        map = new Map({
          basemap: "streets",
          layers: [resultsLayer, resultsLayer2, tempGraphicsLayer]
        });

        view = new MapView({
          map: map,
          container: "viewDiv",
          zoom: 3,
          popup: {
            dockEnabled: true,
            dockOptions: {
              position: "top-right",
              breakpoint: false
            }
          }
        });

        function createGrid(fields) {
          var columns = fields.filter(function(field, i) {
            if (gridFields.indexOf(field.name) !== -1) {
              return field;
            }
          }).map(function(field) {
            if (field.name === "__OBJECTID") {
              return {
                field: field.name,
                label: field.name,
                sortable: true,
                hidden: true
              };
            } else {
              return {
                field: field.name,
                label: field.alias,
                sortable: true
              };
            }
          });

          // create a new onDemandGrid with its selection and columnhider
          // extensions. Set the columns of the grid to display attributes
          // the hurricanes cvslayer
          grid = new(declare([OnDemandGrid, Selection, ColumnHider]))({
            columns: columns
          }, "grid");

          // add a row-click listener on the grid. This will be used
          // to highlight the corresponding feature on the view
          grid.on("dgrid-select", selectFeatureFromGrid);
        }

        function selectFeatureFromGrid(event) {

        }

        view.when(function() {
          view.ui.add("optionsDiv", "bottom-right");
          on(dom.byId("doBtn"), "click", doQuery);
          on(dom.byId("clrBtn"), "click", doClear);
          //Query to get unique vals
          let opt_ = document.createElement('option');
          opt_.value = "";
          opt_.innerHTML = "select State";
          let opt__ = document.createElement('option');
          opt__.value = "";
          opt__.innerHTML = "select Peak";
          statedd.appendChild(opt_);
          peakdd.appendChild(opt__);
          let qUVState = new Query({
            returnGeometry: false,
            where: '1=1',
            returnDistinctValues: true,
            outFields: ['STATE'],
            orderByFields: ['STATE ASC']
          });
          qTask.execute(qUVState).then(function(results) {
            results.features.map(function(feat) {
              let opt = document.createElement('option');
              opt.value = feat.attributes.STATE;
              opt.innerHTML = feat.attributes.STATE;
              statedd.appendChild(opt);
            });
          });
          let qUVPeak = new Query({
            returnGeometry: false,
            where: '1=1',
            returnDistinctValues: true,
            outFields: ['MTN_PEAK'],
            orderByFields: ['MTN_PEAK ASC']
          });
          qTask.execute(qUVPeak).then(function(results) {
            results.features.map(function(feat) {
              let opt2 = document.createElement('option');
              opt2.value = feat.attributes.MTN_PEAK;
              opt2.innerHTML = feat.attributes.MTN_PEAK;
              peakdd.appendChild(opt2);
            });
          });
        });

        const attributeName = dom.byId("attSelect");
        const expressionSign = dom.byId("signSelect");
        const value = dom.byId("valSelect");
        const wlayer = dom.byId("lyrSelect");
        const statedd = dom.byId("stateSelect");
        const peakdd = dom.byId("peakSelect");

        function doClear() {
          if (grid) {
            dataStore.objectStore.data = {};
            grid.set("collection", dataStore);
          }
          resultsLayer2.removeAll();
          gridDis.style.display = 'none';
          domClass.remove("viewDiv", 'withGrid');
        }

        function doQuery() {
          doClear();
          // Clear the results from a previous query
          resultsLayer.removeAll();
          resultsLayer2.removeAll();
          let whereC = [];
          if(statedd.value !== ''){
            whereC.push("STATE = '" + statedd.value + "'");
          }
          if (peakdd.value !== ''){
            whereC.push("MTN_PEAK = '" + peakdd.value + "'");
          }
          whereC.push(attributeName.value + expressionSign.value + value.value);
          
          params.where = whereC.join(' AND ');

          if (wlayer.value === 'peaks') {
               if(tempGraphicsLayer.graphics.length >0){
                 params.geometry = tempGraphicsLayer.graphics.getItemAt(0).geometry;
            }
            params.outFields = ["RANK", "MTN_PEAK", "STATE",
              "ELEV_ft", "ELEV_m", "PROMINENCE_ft", "PROMINENCE_m"
            ];
            gridFields = ["__OBJECTID", "RANK", "MTN_PEAK", "STATE",
              "ELEV_ft", "ELEV_m", "PROMINENCE_ft", "PROMINENCE_m"
            ];
            qTask.execute(params)
              .then(getResults)
              .catch(promiseRejected);
          } else if (wlayer.value === 'fires') {
            params.outFields = ["BRIGHTNESS", "SCAN", "TRACK",
              "ACQ_DATE", "ACQ_TIME", "SATELLITE", "CONFIDENCE", "VERSION"
            ];
            gridFields = ["__OBJECTID", "BRIGHTNESS", "SCAN", "TRACK",
              "ACQ_DATE", "ACQ_TIME", "SATELLITE", "CONFIDENCE", "VERSION"
            ];
            params.where = 'BRIGHTNESS > 320';
            qTask2.execute(params)
              .then(getResults)
              .catch(promiseRejected);
          }
        }

        function getResults(response) {
          let graphics = response.features;

          if (graphics.length > 0) {
            gridDis.style.display = 'block';
            domClass.add("viewDiv", 'withGrid');
            document.getElementById("featureCount").innerHTML =
              "<b>Showing attributes for " +
              graphics.length.toString() + " features </b>"
          } else {
            gridDis.style.display = 'none';
          }
          createGrid(response.fields);

          // get the attributes to display in the grid
          var data = graphics.map(function(feature, i) {
            return Object.keys(feature.attributes)
              .filter(function(key) {
                // get fields that exist in the grid
                return (gridFields.indexOf(key) !== -1);
              })
              // need to create key value pairs from the feature
              // attributes so that info can be displayed in the grid
              .reduce((obj, key) => {
                obj[key] = feature.attributes[key];
                return obj;
              }, {});
          });

          // set the datastore for the grid using the
          // attributes we got for the query results
          dataStore.objectStore.data = data;
          grid.set("collection", dataStore);


          var RResults = arrayUtils.map(response.features, function(
            feature) {
            feature.symbol = {
              type: "simple-marker",
              color: "red",
              size: 5,
              outline: {
                color: "black"
              }
            };
            if (wlayer.value === 'peaks') {
              feature.popupTemplate = popupTemplate;
            } else if (wlayer.value === 'fires') {
              feature.popupTemplate = popupTemplate2;
            }
            return feature;
          });
          if (wlayer.value === 'peaks') {
            resultsLayer.addMany(RResults);
          } else if (wlayer.value === 'fires') {
            resultsLayer2.addMany(RResults);
          }

          view.goTo(RResults);
        }

        function promiseRejected(error) {
          console.error("Promise rejected: ", error.message);
        }

        var homeBtn = new Home({
          view: view
        }, "homeDiv");

        var legend = new Legend({
          view: view,
          layerInfos: [{
            url: RUrl
          }]
        });
        legend.startup();
        view.ui.add(legend, "bottom-left");

        var searchWidget = new Search({
          view: view
        });
        view.ui.add(searchWidget, {
          position: "top-right"
        });
     
       view.when(function() {
        // create a new sketch view model
        const sketchViewModel = new SketchViewModel({
          view: view,
          layer: tempGraphicsLayer,
          pointSymbol: {
            type: "simple-marker", // autocasts as new SimpleMarkerSymbol()
            style: "square",
            color: "#8A2BE2",
            size: "16px",
            outline: { // autocasts as new SimpleLineSymbol()
              color: [255, 255, 255],
              width: 3
            }
          },
          polylineSymbol: {
            type: "simple-line", // autocasts as new SimpleLineSymbol()
            color: "#8A2BE2",
            width: "4",
            style: "dash"
          },
          polygonSymbol: {
            type: "simple-fill", // autocasts as new SimpleFillSymbol()
            color: "rgba(138,43,226, 0.8)",
            style: "solid",
            outline: {
              color: "white",
              width: 1
            }
          }
        });

        setUpClickHandler();

        // Listen to create-complete event to add a newly created graphic to view
        sketchViewModel.on("create-complete", addGraphic);

        // Listen the sketchViewModel's update-complete and update-cancel events
        sketchViewModel.on("update-complete", updateGraphic);
        sketchViewModel.on("update-cancel", updateGraphic);

        //*************************************************************
        // called when sketchViewModel's create-complete event is fired.
        //*************************************************************
        function addGraphic(event) {
          // Create a new graphic and set its geometry to
          // `create-complete` event geometry.
          const graphic = new Graphic({
            geometry: event.geometry,
            symbol: sketchViewModel.graphic.symbol
          });
          tempGraphicsLayer.add(graphic);
        }

        //***************************************************************
        // called when sketchViewModel's update-complete or update-cancel
        // events are fired.
        //*************************************************************
        function updateGraphic(event) {
          // event.graphic is the graphic that user clicked on and its geometry
          // has not been changed. Update its geometry and add it to the layer
          event.graphic.geometry = event.geometry;
          tempGraphicsLayer.add(event.graphic);

          // set the editGraphic to null update is complete or cancelled.
          editGraphic = null;
        }

        // ************************************************************************************
        // set up logic to handle geometry update and reflect the update on "tempGraphicsLayer"
        // ************************************************************************************
        function setUpClickHandler() {
          view.on("click", function(event) {
            view.hitTest(event).then(function(response) {
              var results = response.results;
              // Found a valid graphic
              if (results.length && results[results.length - 1]
                .graphic) {
                // Check if we're already editing a graphic
                if (!editGraphic) {
                  // Save a reference to the graphic we intend to update
                  editGraphic = results[results.length - 1].graphic;
                  // Remove the graphic from the GraphicsLayer
                  // Sketch will handle displaying the graphic while being updated
                  tempGraphicsLayer.remove(editGraphic);
                  sketchViewModel.update(editGraphic);
                }
              }
            });
          });
        }

        //*************************************
        // activate the sketch to create a point
        //*************************************
        var drawPointButton = document.getElementById("pointButton");
        drawPointButton.onclick = function() {
          // set the sketch to create a point geometry
          sketchViewModel.create("point");
          setActiveButton(this);
        };

        //****************************************
        // activate the sketch to create a polyline
        //****************************************
        var drawLineButton = document.getElementById("polylineButton");
        drawLineButton.onclick = function() {
          // set the sketch to create a polyline geometry
          sketchViewModel.create("polyline");
          setActiveButton(this);
        };

        //***************************************
        // activate the sketch to create a polygon
        //***************************************
        var drawPolygonButton = document.getElementById("polygonButton");
        drawPolygonButton.onclick = function() {
          // set the sketch to create a polygon geometry
          sketchViewModel.create("polygon");
          setActiveButton(this);
        };

        //***************************************
        // activate the sketch to create a rectangle
        //***************************************
        var drawRectangleButton = document.getElementById(
          "rectangleButton");
        drawRectangleButton.onclick = function() {
          // set the sketch to create a polygon geometry
          sketchViewModel.create("rectangle");
          setActiveButton(this);
        };

        //***************************************
        // activate the sketch to create a circle
        //***************************************
        var drawCircleButton = document.getElementById("circleButton");
        drawCircleButton.onclick = function() {
          // set the sketch to create a polygon geometry
          sketchViewModel.create("circle");
          setActiveButton(this);
        };

        //**************
        // reset button
        //**************
        document.getElementById("resetBtn").onclick = function() {
          sketchViewModel.reset();
          tempGraphicsLayer.removeAll();
          setActiveButton();
        };

        function setActiveButton(selectedButton) {
          // focus the view to activate keyboard shortcuts for sketching
          view.focus();
          var elements = document.getElementsByClassName("active");
          for (var i = 0; i < elements.length; i++) {
            elements.classList.remove("active");
          }
          if (selectedButton) {
            selectedButton.classList.add("active");
          }
        }
      });
      });‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍
Re: Query task with geometry..?

Rocky_ — Thu, 23 Aug 2018 21:48:23 GMT
Its perfectly working. Let me check again how it works. I tried to do it with using
spatialRelationship: "esriSpatialRelIntersects",
outFields: ["*"]
but it was difficult for me to use both(queries and spatial filter) with each other..
Appreciate your help Robert. Thanks a lot..
topic Re: Query task with geometry..? in ArcGIS JavaScript Maps SDK Questions

Query task with geometry..?

Re: Query task with geometry..?

Re: Query task with geometry..?

Re: Query task with geometry..?

Re: Query task with geometry..?

Re: Query task with geometry..?

Re: Query task with geometry..?

Re: Query task with geometry..?

Re: Query task with geometry..?

Re: Query task with geometry..?
