Java Polyline类代码示例

import com.esri.arcgisruntime.geometry.Polyline; //导入依赖的package包/类
/**
 * Change the mission data and reset the animation.
 */
@FXML
private void changeMission() {

  // clear previous mission data
  missionData = new ArrayList<>();

  // get mission data
  String mission = missionSelector.getSelectionModel().getSelectedItem();
  missionData = getMissionData(mission);
  animationModel.setFrames(missionData.size());
  animationModel.setKeyframe(0);

  // draw mission route on mini map
  PointCollection points = new PointCollection(WGS84);
  points.addAll(missionData.stream().map(m -> (Point) m.get("POSITION")).collect(Collectors.toList()));
  Polyline route = new Polyline(points);
  routeGraphic.setGeometry(route);

  // refresh mini map zoom and show initial keyframe
  mapView.setViewpointScaleAsync(100000).addDoneListener(() -> Platform.runLater(() -> animate(0)));
}
 

import com.esri.arcgisruntime.geometry.Polyline; //导入依赖的package包/类
/**
 * Creates a Polyline and adds it to a GraphicsOverlay.
 */
private void createPolyline() {

  // create a purple (0xFF800080) simple line symbol
  SimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.DASH, 0xFF800080, 4);

  // create a new point collection for polyline
  PointCollection points = new PointCollection(SPATIAL_REFERENCE);

  // create and add points to the point collection
  points.add(new Point(-2.715, 56.061));
  points.add(new Point(-2.6438, 56.079));
  points.add(new Point(-2.638, 56.079));
  points.add(new Point(-2.636, 56.078));
  points.add(new Point(-2.636, 56.077));
  points.add(new Point(-2.637, 56.076));
  points.add(new Point(-2.715, 56.061));

  // create the polyline from the point collection
  Polyline polyline = new Polyline(points);

  // create the graphic with polyline and symbol
  Graphic graphic = new Graphic(polyline, lineSymbol);

  // add graphic to the graphics overlay
  graphicsOverlay.getGraphics().add(graphic);
}
 

import com.esri.arcgisruntime.geometry.Polyline; //导入依赖的package包/类
private Polyline createPolyline() {
  //[DocRef: Name=Create Polyline, Category=Fundamentals, Topic=Geometries]
  // create a Polyline from a PointCollection
  PointCollection borderCAtoNV = new PointCollection(SpatialReferences.getWgs84());
  borderCAtoNV.add(-119.992, 41.989);
  borderCAtoNV.add(-119.994, 38.994);
  borderCAtoNV.add(-114.620, 35.0);
  Polyline polyline = new Polyline(borderCAtoNV);
  //[DocRef: END]

  return polyline;
}
 

import com.esri.arcgisruntime.geometry.Polyline; //导入依赖的package包/类
/**
 * Solves Service Areas Task using the facilities and barriers that were added to the mapview.
 * <p>
 * All service areas that are return will be displayed to the mapview.
 */
@FXML
private void showServiceAreas() {

  // need at least one facility for the task to work
  if (serviceAreaFacilities.size() > 0) {
    progressIndicator.setVisible(true);
    //turn barrier button off and add any barriers to service area parameters
    btnAddBarrier.setSelected(false);
    List<PolylineBarrier> polylineBarriers = new ArrayList<>();
    barrierOverlay.getGraphics()
        .forEach(barrier -> polylineBarriers.add(new PolylineBarrier((Polyline) barrier.getGeometry())));
    serviceAreaParameters.setPolylineBarriers(polylineBarriers);

    serviceAreasOverlay.getGraphics().clear();
    serviceAreaParameters.setFacilities(serviceAreaFacilities);
    // find service areas around facility using parameters that were set
    ListenableFuture<ServiceAreaResult> result = serviceAreaTask.solveServiceAreaAsync(serviceAreaParameters);
    result.addDoneListener(() -> {
      try {
        // display all service areas that were found to mapview
        List<Graphic> graphics = serviceAreasOverlay.getGraphics();
        ServiceAreaResult serviceAreaResult = result.get();
        for (int i = 0; i < serviceAreaFacilities.size(); i++) {
          List<ServiceAreaPolygon> polygons = serviceAreaResult.getResultPolygons(i);
          // could be more than one service area
          for (int j = 0; j < polygons.size(); j++) {
            graphics.add(new Graphic(polygons.get(j).getGeometry(), fillSymbols.get(j % 2)));
          }
        }
      } catch (ExecutionException | InterruptedException e) {
        if (e.getMessage().contains("Unable to complete operation")) {
          showErrorMessage("Facility not within San Diego area!");
        } else {
          e.printStackTrace();
        }
      }
      progressIndicator.setVisible(false);
    });
  } else {
    showErrorMessage("Must have at least 1 Facility!");
  }
}
 

import com.esri.arcgisruntime.geometry.Polyline; //导入依赖的package包/类
@Override
public void start(Stage stage) throws Exception {

  try {
    // create stack pane and application scene
    StackPane stackPane = new StackPane();
    Scene scene = new Scene(stackPane);
    scene.getStylesheets().add(getClass().getResource("/css/style.css").toExternalForm());

    // set title, size, and add scene to stage
    stage.setTitle("Simple Line Symbol Sample");
    stage.setWidth(800);
    stage.setHeight(700);
    stage.setScene(scene);
    stage.show();

    // create a control panel
    VBox vBoxControl = new VBox(6);
    vBoxControl.setMaxSize(180, 200);
    vBoxControl.getStyleClass().add("panel-region");

    createSymbolFuntionality(vBoxControl);

    final ArcGISMap map = new ArcGISMap(Basemap.createImagery());

    // set initial map view point
    Point point = new Point(-226773, 6550477, SpatialReferences.getWebMercator());
    Viewpoint viewpoint = new Viewpoint(point, 7200); // point, scale
    map.setInitialViewpoint(viewpoint);

    // create a view for this ArcGISMap and set ArcGISMap to it
    mapView = new MapView();
    mapView.setMap(map);

    // creates a line from two points
    PointCollection points = new PointCollection(SpatialReferences.getWebMercator());
    points.add(-226913, 6550477);
    points.add(-226643, 6550477);
    Polyline line = new Polyline(points);

    // creates a solid red (0xFFFF0000) simple line symbol
    lineSymbol = new SimpleLineSymbol(Style.SOLID, 0xFFFF0000, 3);

    // add line with symbol to graphics overlay and add overlay to map view
    GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
    mapView.getGraphicsOverlays().add(graphicsOverlay);
    graphicsOverlay.getGraphics().add(new Graphic(line, lineSymbol));

    // add the map view and control panel to stack pane
    stackPane.getChildren().addAll(mapView, vBoxControl);
    StackPane.setAlignment(vBoxControl, Pos.TOP_LEFT);
    StackPane.setMargin(vBoxControl, new Insets(10, 0, 0, 10));
  } catch (Exception e) {
    // on any error, display the stack trace
    e.printStackTrace();
  }
}
 

import com.esri.arcgisruntime.geometry.Polyline; //导入依赖的package包/类
private void addBoatTrip(GraphicsOverlay graphicOverlay) {
    //define a polyline for the boat trip
    Polyline boatRoute = getBoatTripGeometry();
    //define a line symbol
    SimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.DASH, Color.rgb(128, 0, 128), 4);
    //create the graphic
    Graphic boatTripGraphic = new Graphic(boatRoute, lineSymbol);
    //add to the graphic overlay
    graphicOverlay.getGraphics().add(boatTripGraphic);
}
 

import com.esri.arcgisruntime.geometry.Polyline; //导入依赖的package包/类
private Polyline getBoatTripGeometry() {
    //a new point collection to make up the polyline
    PointCollection boatPositions = new PointCollection(wgs84);
    //add positions to the point collection
    boatPositions.add(new Point(-2.7184791227926772,56.06147084563517));
    boatPositions.add(new Point(-2.7196807500463924,56.06147084563517));
    boatPositions.add(new Point(-2.722084004553823,56.062141712059706));
    boatPositions.add(new Point(-2.726375530459948,56.06386674355254));
    boatPositions.add(new Point(-2.726890513568683,56.0660708381432));
    boatPositions.add(new Point(-2.7270621746049275,56.06779569383808));
    boatPositions.add(new Point(-2.7255172252787228,56.068753913653914));
    boatPositions.add(new Point(-2.723113970771293,56.069424653352335));
    boatPositions.add(new Point(-2.719165766937657,56.07028701581465));
    boatPositions.add(new Point(-2.713672613777817,56.070574465681325));
    boatPositions.add(new Point(-2.7093810878716917,56.07095772883556));
    boatPositions.add(new Point(-2.7044029178205866,56.07153261642126));
    boatPositions.add(new Point(-2.698223120515766,56.072394931722265));
    boatPositions.add(new Point(-2.6923866452834355,56.07325722773041));
    boatPositions.add(new Point(-2.68672183108735,56.07335303720707));
    boatPositions.add(new Point(-2.6812286779275096,56.07354465544585));
    boatPositions.add(new Point(-2.6764221689126497,56.074215311778964));
    boatPositions.add(new Point(-2.6698990495353394,56.07488595644139));
    boatPositions.add(new Point(-2.6647492184479886,56.075748196715914));
    boatPositions.add(new Point(-2.659427726324393,56.076131408423215));
    boatPositions.add(new Point(-2.654792878345778,56.07622721075461));
    boatPositions.add(new Point(-2.651359657620878,56.076514616319784));
    boatPositions.add(new Point(-2.6477547758597324,56.07708942101955));
    boatPositions.add(new Point(-2.6450081992798125,56.07814320736718));
    boatPositions.add(new Point(-2.6432915889173625,56.08025069360931));
    boatPositions.add(new Point(-2.638656740938747,56.08044227755186));
    boatPositions.add(new Point(-2.636940130576297,56.078813783674946));
    boatPositions.add(new Point(-2.636425147467562,56.07728102068079));
    boatPositions.add(new Point(-2.637798435757522,56.076610417698504));
    boatPositions.add(new Point(-2.638656740938747,56.07507756705851));
    boatPositions.add(new Point(-2.641231656482422,56.07479015077557));
    boatPositions.add(new Point(-2.6427766058086277,56.075748196715914));
    boatPositions.add(new Point(-2.6456948434247924,56.07546078543464));
    boatPositions.add(new Point(-2.647239792750997,56.074598538729404));
    boatPositions.add(new Point(-2.6492997251859376,56.072682365868616));
    boatPositions.add(new Point(-2.6530762679833284,56.0718200569986));
    boatPositions.add(new Point(-2.655479522490758,56.070861913404286));
    boatPositions.add(new Point(-2.6587410821794135,56.07047864929729));
    boatPositions.add(new Point(-2.6633759301580286,56.07028701581465));
    boatPositions.add(new Point(-2.666637489846684,56.07009538137926));
    boatPositions.add(new Point(-2.670070710571584,56.06990374599109));
    boatPositions.add(new Point(-2.6741905754414645,56.069137194910745));
    boatPositions.add(new Point(-2.678310440311345,56.06808316228391));
    boatPositions.add(new Point(-2.682086983108735,56.06789151689155));
    boatPositions.add(new Point(-2.6868934921235956,56.06760404701653));
    boatPositions.add(new Point(-2.6911850180297208,56.06722075051504));
    boatPositions.add(new Point(-2.695133221863356,56.06702910083509));
    boatPositions.add(new Point(-2.698223120515766,56.066837450202335));
    boatPositions.add(new Point(-2.7016563412406667,56.06645414607839));
    boatPositions.add(new Point(-2.7061195281830366,56.0660708381432));
    boatPositions.add(new Point(-2.7100677320166717,56.065591697864576));
    boatPositions.add(new Point(-2.713329291705327,56.06520838135397));
    boatPositions.add(new Point(-2.7167625124302273,56.06453756828941));
    boatPositions.add(new Point(-2.718307461756433,56.06348340989081));
    boatPositions.add(new Point(-2.719165766937657,56.062812566811544));
    boatPositions.add(new Point(-2.7198524110826376,56.06204587471371));
    boatPositions.add(new Point(-2.719165766937657,56.06166252294756));
    boatPositions.add(new Point(-2.718307461756433,56.06147084563517));

    //create the polyline from the point collection
    return new Polyline(boatPositions);
}