iOS & macOS Charting Documentation - SciChart iOS & macOS Charts SDK v4.x

ISCICameraController

@protocol
    ISCICameraController <ISCIInvalidatableElement, ISCISuspendable,
                          ISCIAttachable, ISCIServiceProvider, ISCIUpdatable3D>

Defines the interface to a Camera in the SCIChartSurface3D scene.

  • Defines the Position of the Camera as an XYZ vector in World Coordinates.

    Declaration

    Objective-C

    @property (nonatomic, strong) SCIVector3 *_Nonnull position;

    Swift

    var position: SCIVector3 { get set }

  • Defines the Target of the Camera as an XYZ vector in World Coordinates.

    Declaration

    Objective-C

    @property (nonatomic, strong) SCIVector3 *_Nonnull target;

    Swift

    var target: SCIVector3 { get set }
  • up

    Gets the Normalized Up Vector of the Camera as an XYZ vector in World Coordinates.

    Note

    This property is Computed.

    Declaration

    Objective-C

    @property (nonatomic, readonly) SCIVector3 *_Nonnull up;

    Swift

    var up: SCIVector3 { get }

  • Gets the Normalized Forward (direction) Vector of the Camera as an XYZ vector in World Coordinates.

    Note

    This property is Computed.

    Declaration

    Objective-C

    @property (nonatomic, readonly) SCIVector3 *_Nonnull forward;

    Swift

    var forward: SCIVector3 { get }

  • Gets the Normalized Side Vector of the Camera as an XYZ vector in World Coordinates.

    Note

    This property is Computed.

    Declaration

    Objective-C

    @property (nonatomic, readonly) SCIVector3 *_Nonnull side;

    Swift

    var side: SCIVector3 { get }

  • Defines the Field of View Angle of the Camera in Degrees.

    Declaration

    Objective-C

    @property (nonatomic) float fieldOfView;

    Swift

    var fieldOfView: Float { get set }

  • Defines the Near Clipping distance of the camera.

    Warning

    Objects closer than this distance will be invisible to the camera.

    Declaration

    Objective-C

    @property (nonatomic) float nearClip;

    Swift

    var nearClip: Float { get set }

  • Defines the Far Clipping distance of the camera.

    Note

    Objects farther than this distance will be invisible to the camera.

    Declaration

    Objective-C

    @property (nonatomic) float farClip;

    Swift

    var farClip: Float { get set }

  • Defines the Yaw angle of the camera position relative to the target in DEGREES.

    Note

    This property may be manipulated to change the camera position.

    Declaration

    Objective-C

    @property (nonatomic) float orbitalYaw;

    Swift

    var orbitalYaw: Float { get set }

  • Defines the Pitch angle of the camera position relative to the target in DEGREES.

    Note

    This property may be manipulated to change the camera position.

    Declaration

    Objective-C

    @property (nonatomic) float orbitalPitch;

    Swift

    var orbitalPitch: Float { get set }

  • Defines the Radius distance of the camera to target in World Units.

    Note

    This property may be manipulated to change the camera position.

    Declaration

    Objective-C

    @property (nonatomic) float radius;

    Swift

    var radius: Float { get set }

  • Defines the Aspect Ratio of the viewport, e.g. 1.333f suggests width is 1.333 * height

    Declaration

    Objective-C

    @property (nonatomic) float aspectRatio;

    Swift

    var aspectRatio: Float { get set }

  • Defines the Camera projection mode.

    Possible Values;

    Declaration

    Objective-C

    @property (nonatomic) SCICameraProjectionMode projectionMode;

    Swift

    var projectionMode: SCICameraProjectionMode { get set }

  • Defines the Camera Orthogonal Viewport width, used when ProjectionMode is Orthogonal.

    Declaration

    Objective-C

    @property (nonatomic) float orthoWidth;

    Swift

    var orthoWidth: Float { get set }

  • Defines the Camera Orthogonal Viewport height, used when ProjectionMode is Orthogonal.

    Declaration

    Objective-C

    @property (nonatomic) float orthoHeight;

    Swift

    var orthoHeight: Float { get set }

  • Defines whether or not the Camera should be zoomed to fit the parent scene bounds when it’s attached.

    Declaration

    Objective-C

    @property (nonatomic) BOOL zoomToFitOnAttach;

    Swift

    var zoomToFitOnAttach: Bool { get set }

  • Defines the scale factor which is applied during calculation when Camera should be zoomed to fit the parent scene bounds.

    Declaration

    Objective-C

    @property (nonatomic) float zoomToFitScaleFactor;

    Swift

    var zoomToFitScaleFactor: Float { get set }

  • Sets the Position and the Target of the Camera as XYZ SCIVector3 in World Coordinates.

    Declaration

    Objective-C

    - (void)setPostion:(nonnull SCIVector3 *)position
         andTarget:(nonnull SCIVector3 *)target;

    Swift

    func setPostion(_ position: SCIVector3, andTarget target: SCIVector3)

    Parameters

    position

    The new position.
    target

    The new target.

  • Switches the camera to Perspective mode.

    Declaration

    Objective-C

    - (void)toPerspective;

    Swift

    func toPerspective()

  • Switches the camera to Orthogonal mode.

    Declaration

    Objective-C

    - (void)toOrhtogonal;

    Swift

    func toOrhtogonal()

  • Calculates a Camera target and radius that will fit the bounding box completely inside the viewport.

    Declaration

    Objective-C

    - (float)calculateRadiusAndTargetToFit:(nonnull SCIVector3 *)targetToFit;

    Swift

    func calculateRadiusAndTarget(toFit targetToFit: SCIVector3) -> Float

    Parameters

    targetToFit

    The camera target to fit the bounding box completely inside the viewport.

    Return Value

    The radius to fit the bounding box completely inside the viewport.

Zoom Operations

  • Zooms camera to fit bounding box of parent surface inside the viewport using current camera position as reset position.

    Declaration

    Objective-C

    - (void)zoomToFit;

    Swift

    func zoomToFit()

  • Zooms camera to fit bounding box of parent surface inside the viewport using current camera position as reset position.

    Declaration

    Objective-C

    - (void)animateZoomToFitWithDuration:(NSTimeInterval)duration;

    Swift

    func animateZoomToFit(withDuration duration: TimeInterval)

    Parameters

    duration

    The duration of animation when zooming to fit bounding box.

  • Zooms camera to fit bounding box of parent surface inside the viewport using specified reset position.

    Declaration

    Objective-C

    - (void)zoomToFitWithResetPosition:(nonnull SCIVector3 *)resetPosition;

    Swift

    func zoomToFit(withResetPosition resetPosition: SCIVector3)

    Parameters

    resetPosition

    The reset position to use.

  • Zooms camera to fit bounding box of parent surface inside the viewport using current camera position as reset position.

    Declaration

    Objective-C

    - (void)animateZoomToFitWithResetPosition:(nonnull SCIVector3 *)resetPosition
                              andDuration:(NSTimeInterval)duration;

    Swift

    func animateZoomToFit(withResetPosition resetPosition: SCIVector3, andDuration duration: TimeInterval)

    Parameters

    resetPosition

    The reset position to use.
    duration

    The duration of animation when zooming to fit bounding box.

  • Animates camera to specified position and target position with specified duration.

    Declaration

    Objective-C

    - (void)animatePosition:(nonnull SCIVector3 *)position
              andTarget:(nonnull SCIVector3 *)target
           withDuration:(NSTimeInterval)duration;

    Swift

    func animatePosition(_ position: SCIVector3, andTarget target: SCIVector3, withDuration duration: TimeInterval)

    Parameters

    position

    The final position of camera.
    target

    The final target of camera.
    duration

    The animation duration.

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