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Showing content from https://developers.arcgis.com/qt/cpp/api-reference/esri-arcgisruntime-surface.html below:

Surface Class | ArcGIS Maps SDK for Qt

The surface contains elevation sources and defines a surface upon which layers and overlays can be draped. More...

Member Function Documentation [explicit] Surface::Surface(QObject *parent = nullptr)

Default constructor that takes an optional parent.

[explicit] Surface::Surface(const QList<Esri::ArcGISRuntime::ElevationSource *> &elevationSources, QObject *parent = nullptr)

Constructor that takes a list of ElevationSource elevationSources and an optional parent.

[override virtual noexcept] Surface::~Surface()

Destructor

[since Esri::ArcGISRuntime 100.1] Esri::ArcGISRuntime::BackgroundGrid Surface::backgroundGrid() const

Returns the grid and color settings to render the background grid of this surface.

The background grid is visible when no data is draped on the surface.

This function was introduced in Esri::ArcGISRuntime 100.1.

See also setBackgroundGrid().

[override virtual] void Surface::cancelLoad()

Reimplements: Loadable::cancelLoad().

See Loadable.

[signal] void Surface::doneLoading(const Esri::ArcGISRuntime::Error &loadError)

Signal emitted when this object is done loading.

loadError - Details about any error that may have occurred.

Note: If there is a load error it will also be emitted on the errorOccurred signal.

See also Loadable and Object.

[since Esri::ArcGISRuntime 200.2] QFuture<double> Surface::elevationAsync(const Esri::ArcGISRuntime::Point &point)

Returns the elevation (in meters) for the specified location on the surface.

The returned elevation value is based on the highest possible level of detail available into the surface from the provided elevation sources. This results in the highest possible resolution for the elevation value for the given location. Note that this may differ from the value of the elevation currently being rendered which may be at a lower resolution.

point - The point location to find the elevation for.

This method returns a QFuture for the asynchronous operation. Use future.then() to continue processing when the operation completes. Use future.onFailed() to handle exceptions of type ErrorException.

See Working with QFuture for further details.

This function was introduced in Esri::ArcGISRuntime 200.2.

float Surface::elevationExaggeration() const

Returns the exaggeration for the surface.

The altitude values of the surface data are multiplied by the exaggeration value. The default value is 1.0, indicating no exaggeration.

See also setElevationExaggeration().

Esri::ArcGISRuntime::ElevationSourceListModel *Surface::elevationSources() const

Returns the elevation sources for the surface.

Elevation sources are an ordered collection of ElevationSource data that are combined to generate elevation values for the surface. The order of the elevation sources in the collection indicate which elevation has priority when the sources are spatially coincident. The collection is specific to a surface so you cannot reuse an elevation source collection coming from another Surface.

See also Surface.

bool Surface::isEnabled() const

Returns true if the surface is enabled, false otherwise.

This value indicates if the surface is enabled and is rendered. If true, the surface's elevation sources are only used in the calculation of the surface if their ElevationSource::setEnabled is also true.

[override virtual] void Surface::load()

Reimplements: Loadable::load().

See Loadable.

[override virtual] Esri::ArcGISRuntime::Error Surface::loadError() const

Reimplements: Loadable::loadError() const.

See Loadable.

[override virtual] Esri::ArcGISRuntime::LoadStatus Surface::loadStatus() const

Reimplements: Loadable::loadStatus() const.

See Loadable.

[signal] void Surface::loadStatusChanged(Esri::ArcGISRuntime::LoadStatus loadStatus)

Signal emitted when the loadStatus property changes.

See also Loadable.

QString Surface::name() const

Gets the name of the surface.

See also setName().

[since Esri::ArcGISRuntime 100.5] Esri::ArcGISRuntime::NavigationConstraint Surface::navigationConstraint() const

Returns the type of navigation constraint of the surface.

This property determines whether the camera altitude is affected by the elevation at the location of the camera. You can restrict the camera to stay above the ground or allow it to move below the surface. The default value is NavigationConstraint::StayAbove.

This function was introduced in Esri::ArcGISRuntime 100.5.

See also setNavigationConstraint().

[since Esri::ArcGISRuntime 100.5] float Surface::opacity() const

Returns the opacity applied to the surface.

The opacity value of all layers in the basemap, associated with this surface, and the backgroundGrid are multiplied by this opacity value. The value can be between 0 and 1.0, where 0 is transparent and 1.0 is solid or opaque.

This function was introduced in Esri::ArcGISRuntime 100.5.

See also setOpacity().

[override virtual] void Surface::retryLoad()

Reimplements: Loadable::retryLoad().

See Loadable.

[since Esri::ArcGISRuntime 100.1] void Surface::setBackgroundGrid(const Esri::ArcGISRuntime::BackgroundGrid &backgroundGrid)

Sets the surface's background grid to backgroundGrid.

This function was introduced in Esri::ArcGISRuntime 100.1.

See also backgroundGrid().

void Surface::setElevationExaggeration(float exaggeration)

Sets the elevation exaggeration for the surface.

See also elevationExaggeration().

void Surface::setEnabled(bool enabled)

Sets whether the surface is enabled.

See also isEnabled().

void Surface::setName(const QString &name)

Sets the name of the surface.

See also name().

[since Esri::ArcGISRuntime 100.5] void Surface::setNavigationConstraint(Esri::ArcGISRuntime::NavigationConstraint navigationConstraint)

Sets the type of navigation constraint from the surface to navigationConstraint.

The default value is NavigationConstraint::StayAbove.

This function was introduced in Esri::ArcGISRuntime 100.5.

See also navigationConstraint().

[since Esri::ArcGISRuntime 100.5] void Surface::setOpacity(float opacity) const

Sets the opacity of the ground surface.

You can adjust this ground surface opacity property to see through the ground. Changing this property also changes the transparency of the basemap. (Draped operational layers are not affected by this property.) Valid opacity values are from 0.0 (full transparency) to 1.0 (full opacity). The opacity affects all base layers and the grid color:

If an individual base layer has 50% opacity and the surface has 50% opacity, the effect will be multiplicative, i.e. the base layer will appear to have 25% opacity.
If the grid color has an alpha value of 50% and the surface has 50% opacity, the effect on the grid will also be multiplicative.

The default value is 1.0.

This function was introduced in Esri::ArcGISRuntime 100.5.

See also opacity().

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