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Page History: XAML 3D Viewport Element

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Page Revision: 2015/10/12 01:15




Element Icon 3D XAML Viewport
Info
Category: Visual Stimuli AddIn: Base Elements
Creator: OkazoLab Team Scope: Parent Event
Owns Snippets: no Usage: Presentation Screen

Element actions aligned with different epochs of the parent event

EpocheActions
InitializedThe camera starts capturing video
Rendered
Activating
Activated
RunningThe camera output is captured and rendered via the Video Output property, if the latter is bound to the status screen
Deactivated
DeinitializedThe camera stops capturing video

Notes

Insert Notes here..

Properties

Generic Properties

NameDescriptionConstraintsValue TypeUpon Runtime Change
Camera Orbit
Orbit RotationDefines an orbital rotation of the camera on the current 3D scene. The vector fields X,Y and Z represent Yew, Pitch and Roll values in degrees.System.Windows.Media.Media3D.Vector3D struct
Orbit CenterDefines the center point of the camera orbit in the world coordinates.System.Windows.Media.Media3D.Point3D struct
Orbit ScaleDefines a scale of the camera orbit relative to the orbit center. The value is in percentages, such that 100% matches to the camera position defined in the current 3D scene.Double
Camera Settings
Camera PositionDefines a camera location in the world coordinates. The property does not specify the camera direction vector. The direction is defined by the Camera Lookup Direction property.System.Windows.Media.Media3D.Point3D struct
Lookup DirectionDefines the camera lookup vector- a direction in which the camera is looking in world coordinates.System.Windows.Media.Media3D.Vector3D struct
Camera Up DirectionDefines a unit vector that represents the upward direction of the camera (and 3D model projection)System.Windows.Media.Media3D.Vector3D struct
Near Plane DistanceDefines a distance from the camera to the camera's near clip planeDouble
Far Plane DistanceDefines a distance from the camera to the camera's far clip planeDouble
Field of ViewDefines horizontal bounds of the camera's projection, as degrees between the camera's position and the image planeDouble
Object Tracking
Is TrackingEnables tracking and selection of 3D objects with a 2D positional device, e.g. mouse or eye-tracker. The tracking returns a name of the closest object pointed on the current projection of 3D modelBoolean
Tracked ObjectReturns a name of the pointed 3D object among all objects on a 3D scene. The object name has to be defined in the XAML 3D model. When no object is pointer the property returns an empty string.String
Tracked PointReturns 3D coordinates of the focal dot on the pointed 3D object. When no object is pointed, the property returns the zero point.System.Windows.Media.Media3D.Point3D struct
Tracking DistanceReturns a distance from the camera to the focal dot of the tracked 3D object (in the world units). When no object is pointed, the property returns the zero.Double

+=== Properties inherited from clVisualElement ===
NameDescriptionConstraintsValue TypeUpon Runtime Change
VISUAL APPEARANCE
Alpha MaskingDefines whether the visual content rendered by this element will be used as an opacity mask which is applied onto the given event surface. The active opacity mask allows one to expose pixels of the parent event surface through a solid background of the given event. If the value is true, the darker pixels of the content will make more transparent holes on the entire event surface.Boolean
AntiAliasingIf true, the rendered content will be anti-aliased for smoother visual appearance. If false, rendering will be authentic to its source, e.g. a bitmap. Boolean
PositionDefines the position of the element viewport on the screen. The position can be set in any of three coordinate systems: a) pixels, b) polar, c) central. clPoint
SizeDefines the size of the element viewport on the screen. The size can be set in any of three coordinate systems: a) pixels, b) visual degrees, c) 'relative-to-screen' size. clSize
Z OrderIndicates the current depth order of the element viewport on the surface of the parent event. The greatest number corresponds to the top position. The order can be changed by moving the element up and down in the element list.Int32
Pivot PointDefines the pivot point (coordinate and the rotation centers) within the element viewport. stAlignment or Int32
VisibleDefines whether the element is currently visible on the event surface. The property is convenient for switching visual content on and off. Boolean
RotationDefines the rotation angle (in degrees) of element viewport relative to the its pivot point. Double in the range 0..360
EFFECTS
Transparent ColorThe color of the original pixels of rendered content that will be set as transparent. stColor
Transparency ToleranceTolerance ratio for choosing colors that become transparent. Zero means that effect is not applied, 1 denotes that all colors will become trasparent. Int32, range (0..100)
Color MaskProduces a multiplicative combination of the original pixels and the selected mask color (except the alpha channel). The effect emulates a look through a colored glass. White or transparent mask color doesn't change the original pixels. stColor
OpacityOpacity of the rendered content. Int32, range (0..100)
ContrastContrast of the rendered content. Int32, range (-100..100)
BrightnessDefines the brighness of the rendered content. Int32, range (-100..100)
SaturationSaturation of the rendered content. Double
PixelationDefines the pixel scale of the rendering. Int32, range (0..100)
BlurringThe radius used in the gaussian blur of rendered content, as a pixel-based factor. The default is 0 which means no blurring. Int32
POSITIONAL JITTER
Reset JitterSet to true at runtime to reset the current positional jitter.Boolean, set true for action
Current JitterJitter range, in pixels (non inclusive)..clSize
Jitter RangeJitter range, centered at the original position of the element.. clSize

+=== Properties inherited from clLibraryElement ===
NameDescriptionConstraintsValue TypeUpon Runtime Change
Material List
Selected IndexDefines the index of the active item in the material list of the element. Int32A change causes the current item to be reloaded and an update of the element.
Selected ItemDefines the name of the active item in the material list of the element. The name matches to a name of item in the Material Library StringA change causes the current item to be reloaded and an update of the element.
Item CountReturns the total number of items in the material list of the element.Int32
Equalize RGBThe property is only available in the visual element. If the value is true, the average RGB pixel intensity will be equalized across all items in the material list. You can turn on this property, when you need to obtain a luminance-balanced set of visual stimulus. Boolean

+=== Properties inherited from clElement === Inherited properties of clElement
NameDescriptionConstraintsValue TypeUpon Change
Control
Is EnabledIf set to false the element is completely omitted when the experiment is run.Boolean
TitleTitle of the element.String

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