Apply mosaic rule to rasters

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 /*  * Copyright 2021 Esri.  *  * Licensed under the Apache License, Version 2.0 (the "License"); you may not  * use this file except in compliance with the License. You may obtain a copy of  * the License at  *  * http://www.apache.org/licenses/LICENSE-2.0  *  * Unless required by applicable law or agreed to in writing, software  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the  * License for the specific language governing permissions and limitations under  * the License.  */  package com.esri.samples.apply_mosaic_rule_to_rasters;  import java.util.Arrays;  import javafx.application.Application; import javafx.collections.FXCollections; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Alert; import javafx.scene.control.ComboBox; import javafx.scene.control.ProgressIndicator; import javafx.scene.layout.Background; import javafx.scene.layout.BackgroundFill; import javafx.scene.layout.CornerRadii; import javafx.scene.layout.StackPane; import javafx.scene.layout.VBox; import javafx.stage.Stage; import javafx.scene.paint.Paint; import javafx.scene.control.Label;  import com.esri.arcgisruntime.ArcGISRuntimeEnvironment; import com.esri.arcgisruntime.layers.RasterLayer; import com.esri.arcgisruntime.loadable.LoadStatus; import com.esri.arcgisruntime.mapping.ArcGISMap; import com.esri.arcgisruntime.mapping.BasemapStyle; import com.esri.arcgisruntime.mapping.view.DrawStatus; import com.esri.arcgisruntime.mapping.Viewpoint; import com.esri.arcgisruntime.mapping.view.MapView; import com.esri.arcgisruntime.raster.ImageServiceRaster; import com.esri.arcgisruntime.raster.MosaicRule; import com.esri.arcgisruntime.raster.MosaicMethod; import com.esri.arcgisruntime.raster.MosaicOperation;  public class ApplyMosaicRuleToRastersSample extends Application {   private ComboBox<String> mosaicRuleComboBox;  private MapView mapView;  private MosaicRule mosaicRule;  private VBox controlsVBox;   @Override  public void start(Stage stage) {   try {  // create stack pane and application scene  StackPane stackPane = new StackPane();  Scene scene = new Scene(stackPane);   // set title, size, and add scene to stage  stage.setTitle("Apply Mosaic Rule To Rasters Sample");  stage.setWidth(800);  stage.setHeight(700);  stage.setScene(scene);  stage.show();   // authentication with an API key or named user is required to access basemaps and other location services  String yourAPIKey = System.getProperty("apiKey");  ArcGISRuntimeEnvironment.setApiKey(yourAPIKey);   // create a map with the light gray basemap style  ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_LIGHT_GRAY);   // create a map view  mapView = new MapView();   // show progress indicator while map view is drawing  var progressIndicator = new ProgressIndicator();  progressIndicator.visibleProperty().bind(mapView.drawStatusProperty().isEqualTo(DrawStatus.IN_PROGRESS));    // set the map to the map view  mapView.setMap(map);   // setup the UI  setupUI();   // create a raster layer from the image service raster  ImageServiceRaster imageServiceRaster = new ImageServiceRaster(  "https://sampleserver7.arcgisonline.com/server/rest/services/amberg_germany/ImageServer");  RasterLayer rasterLayer = new RasterLayer(imageServiceRaster);   // add a raster layer as an operational layer to the map  map.getOperationalLayers().add(rasterLayer);   // wait for the raster layer to finish loading  rasterLayer.addDoneLoadingListener(() -> {  if (rasterLayer.getLoadStatus() == LoadStatus.LOADED) {  // when loaded, set the map view's viewpoint to the image service raster's center  mapView.setViewpoint(new Viewpoint(imageServiceRaster.getServiceInfo().getFullExtent().getCenter(), 25000.0));   // enable UI interaction once the raster layer has loaded  controlsVBox.setVisible(true);   // create a mosaic rule for the image service raster if one does not already exist  if (imageServiceRaster.getMosaicRule() == null) {  mosaicRule = new MosaicRule();  imageServiceRaster.setMosaicRule(mosaicRule);  }  } else {  // show alert if raster layer fails to load.  new Alert(Alert.AlertType.ERROR, "Error loading raster layer.").show();  }  });   // set the mosaic rule of the image service raster based on rule chosen from the combo box  mosaicRuleComboBox.getSelectionModel().selectedItemProperty().addListener(e -> {  // create a new mosaic rule  mosaicRule = new MosaicRule();   switch (mosaicRuleComboBox.getSelectionModel().getSelectedItem()) {  case "Default":  mosaicRule.setMosaicMethod(MosaicMethod.NONE);  break;  case "Northwest":  mosaicRule.setMosaicMethod(MosaicMethod.NORTHWEST);  mosaicRule.setMosaicOperation(MosaicOperation.FIRST);  break;  case "Center":  mosaicRule.setMosaicMethod(MosaicMethod.CENTER);  mosaicRule.setMosaicOperation(MosaicOperation.BLEND);  break;  case "By attribute":  mosaicRule.setMosaicMethod(MosaicMethod.ATTRIBUTE);  mosaicRule.setSortField("OBJECTID");  break;  case "Lock raster":  mosaicRule.setMosaicMethod(MosaicMethod.LOCK_RASTER);  mosaicRule.getLockRasterIds().clear();  // lock the display of multiple rasters based on the ObjectID  mosaicRule.getLockRasterIds().addAll(Arrays.asList(1L, 7L, 12L));  break;  }  // set the mosaic rule of the image service raster  imageServiceRaster.setMosaicRule(mosaicRule);  });   // add the map view, control panel and progress indicator to the stack pane  stackPane.getChildren().addAll(mapView, controlsVBox, progressIndicator);  StackPane.setAlignment(controlsVBox, Pos.TOP_LEFT);  StackPane.setMargin(controlsVBox, new Insets(10, 0, 0, 10));  } catch (Exception e) {  // on any error, display the stack trace  e.printStackTrace();  }  }   /**  * Creates a UI with a drop down box.  */  private void setupUI() {  // create a label  Label mosaicRuleLabel = new Label("Choose a mosaic rule: ");  mosaicRuleLabel.setStyle("-fx-text-fill: white");   // create a combo box  mosaicRuleComboBox = new ComboBox<>(  FXCollections.observableArrayList("Default", "Northwest", "Center", "By attribute", "Lock raster"));  mosaicRuleComboBox.setMaxWidth(Double.MAX_VALUE);   // set the default combo box value  mosaicRuleComboBox.getSelectionModel().select(0);   // set up the control panel UI  controlsVBox = new VBox(6);  controlsVBox.setBackground(new Background(new BackgroundFill(Paint.valueOf("rgba(0, 0, 0, 0.3)"),  CornerRadii.EMPTY, Insets.EMPTY)));  controlsVBox.setPadding(new Insets(10.0));  controlsVBox.setMaxSize(210, 50);  controlsVBox.setVisible(false);  // add the label and combo box to the control panel  controlsVBox.getChildren().addAll(mosaicRuleLabel, mosaicRuleComboBox);  }   /**  * Stops and releases all resources used in application.  */  @Override  public void stop() {   if (mapView != null) {  mapView.dispose();  }  }   /**  * Opens and runs application.  *  * @param args arguments passed to this application  */  public static void main(String[] args) {   Application.launch(args);  } }