use of org.cesiumjs.cs.core.Color 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);
}
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