Examples with GeoJsonDataSourceOptions org.cesiumjs.cs.datasources.options.GeoJsonDataSourceOptions used on opensource projects

Example 1 with GeoJsonDataSourceOptions

use of org.cesiumjs.cs.datasources.options.GeoJsonDataSourceOptions in project gwt-cs by iSergio.

the class GeoJSONAndTopoJSON method buildPanel.

@Override
public void buildPanel() {
    csVPanel = new ViewerPanel();
    csVPanel.getViewer().dataSources().removeAll();
    csVPanel.getViewer().camera.lookAt(Cartesian3.fromDegrees(-98.0, 40.0), new Cartesian3(0.0, -4790000.0, 3930000.0));
    csVPanel.getViewer().camera.lookAtTransform(Matrix4.IDENTITY());
    Button defaultStylingBtn = new Button("Default styling");
    defaultStylingBtn.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent clickEvent) {
            reset();
            csVPanel.getViewer().dataSources().add(GeoJsonDataSource.load(GWT.getModuleBaseURL() + "SampleData/ne_10m_us_states.topojson"));
        }
    });
    Button basicStylingBtn = new Button("Basic styling");
    basicStylingBtn.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent clickEvent) {
            reset();
            GeoJsonDataSourceOptions options = new GeoJsonDataSourceOptions();
            options.stroke = Color.HOTPINK();
            options.fill = Color.DEEPPINK().withAlpha(0.5f);
            options.strokeWidth = 3;
            csVPanel.getViewer().dataSources().add(GeoJsonDataSource.load(GWT.getModuleBaseURL() + "SampleData/ne_10m_us_states.topojson", options));
        }
    });
    Button customStylingBtn = new Button("Custom styling");
    customStylingBtn.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent clickEvent) {
            Math.setRandomNumberSeed(0);
            Promise<GeoJsonDataSource, String> promise = GeoJsonDataSource.load(GWT.getModuleBaseURL() + "SampleData/ne_10m_us_states.topojson");
            promise.then(new Fulfill<GeoJsonDataSource>() {

                @Override
                public void onFulfilled(GeoJsonDataSource dataSource) {
                    reset();
                    csVPanel.getViewer().dataSources().add(dataSource);
                    Entity[] entities = dataSource.entities.values();
                    HashMap<String, Color> colorHash = new HashMap<>();
                    for (int i = 0; i < entities.length; i++) {
                        Entity entity = entities[i];
                        String name = entity.name;
                        Color color = colorHash.get(name);
                        if (color == null) {
                            ColorRandomOptions options = new ColorRandomOptions();
                            options.alpha = 1.0f;
                            color = Color.fromRandom(options);
                            colorHash.put(name, color);
                        }
                        entity.polygon.material = new ColorMaterialProperty(new ConstantProperty<>(color));
                        entity.polygon.outline = new ConstantProperty<>(false);
                        entity.polygon.extrudedHeight = new ConstantProperty<>(JsObject.getObject(entity, "properties").getNumber("Population").doubleValue() / 50.);
                    }
                }
            }, new Reject<String>() {

                @Override
                public void onRejected(String value) {
                    Window.alert(value);
                }
            });
        }
    });
    HorizontalPanel hPanel = new HorizontalPanel();
    hPanel.setSpacing(5);
    hPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
    hPanel.add(defaultStylingBtn);
    hPanel.add(basicStylingBtn);
    hPanel.add(customStylingBtn);
    AbsolutePanel aPanel = new AbsolutePanel();
    aPanel.add(csVPanel);
    aPanel.add(hPanel, 20, 20);
    contentPanel.add(new HTML("<p>Load GeoJSON or TopoJSON data and apply custom styling.</p>"));
    contentPanel.add(aPanel);
    initWidget(contentPanel);
}