Ab3d.PowerToys reference help
Ab3d.PowerToys Namespaces
Ab3d.Cameras
BaseCamera Class
BaseCamera Methods
ArrangeOverride Method
BaseCreateFrom Method
BeginCameraUpdate Method
BeginInit Method
CameraPropertyChanged Method
CameraTypePropertyPropertyChanged Method
CameraWidthPropertyChanged Method
ConvertToWpfCamera Method
CreateFrom Method
CreateMouseRay3D Method
CreateNewCamera Method
CreateOrthographicMouseRay3D Method
CreatePerspectiveMouseRay3D Method
EndCameraUpdate Method
EndInit Method
FarPlaneDistancePropertyChanged Method
FieldOfViewPropertyChanged Method
ForceRefresh Method
GetCameraMatrices Method
GetCameraMatrixes Method
GetCameraPlaneOrientation Method
GetCameraPosition Method
GetMousePositionOnPlane Method
GetScreenSize Method
GetTargetViewport3DSceneBounds Method
GetWorldSize Method
GetWorldToViewportMatrix Method
GetWPFCameraDirections Method
GetWPFCameraPosition Method
InitInfoElement Method
IsDesignTimeInfoIconShownPropertyChanged Method
IsValid Method
Line3DTo2D Method
MeasureOverride Method
NearPlaneDistancePropertyChanged Method
OnCameraChanged Method
OnCameraLoaded Method
OnIsRotatingChanged Method
OnIsValidChanged Method
OnPreviewCameraChanged Method
OnRender Method
OnRendering Method
OnTargetViewport3DChanged Method
Point3DTo2D Method
Points3DTo2D Method
Rect3DTo2D Method
Refresh Method
RefreshCurrentCamera Method
RenderToBitmap Method
RotateCamera Method
StartRotation Method
StopRotation Method
SubscribeRenderingEvent Method
SubscribeToIsValidChanged Method
TargetViewport3DPropertyChanged Method
TryToUpdate Method
UnsubscribeFromIsValidChanged Method
UnsubscribeRenderingEvent Method
UpdateCamera Method
UpdateCameraLight Method
UpdateCameraLightData Method
UpdateWorldToViewportMatrix Method
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BaseCameraGetWorldSize Method

GetWorldSize calculates a size in 3D world coordinates from a size provided in 2D screen coordinates. The calculation is based on the this camera and the screen size of TargetViewport3D.

Namespace:  Ab3d.Cameras
Assembly:  Ab3d.PowerToys (in Ab3d.PowerToys.dll) Version: 10.1.8147.1045
Syntax
C#
Copy
public Size GetWorldSize(
	Size desiredScreenSize,
	Point3D targetPosition3D
)

Parameters

desiredScreenSize
Type: System.WindowsSize
Desired size on screen (in same units as size of Viewport3D.Width - without DPI scale)e
targetPosition3D
Type: System.Windows.Media.Media3DPoint3D
Point3D of a target position - where the worldSize is positioned in the 3D world

Return Value

Type: Size
size in 3D world
See Also