RhinoCommon API
Namespaces
Rhino.Display
RhinoViewport Class
RhinoViewport Methods
ChangeToParallelProjection Method
ChangeToPerspectiveProjection Method
ChangeToTwoPointPerspectiveProjection Method
ClearTraceImage Method
ClientToScreen Method
ClientToWorld Method
ConstructionPlane Method
DeleteAllUserStrings Method
DeleteUserString Method
Dispose Method
Finalize Method
FromId Method
GetCameraAngle Method
GetCameraExtents Method
GetCameraFrame Method
GetConstructionPlane Method
GetDepth Method
GetFarRect Method
GetFrustum Method
GetFrustumBottomPlane Method
GetFrustumBoundingBox Method
GetFrustumCenter Method
GetFrustumFarPlane Method
GetFrustumLeftPlane Method
GetFrustumLine Method
GetFrustumNearPlane Method
GetFrustumRightPlane Method
GetFrustumTopPlane Method
GetNearRect Method
GetPickTransform Method
GetScreenPort Method
GetTransform Method
GetUserString Method
GetUserStrings Method
GetViewScale Method
GetWorldToScreenScale Method
IsVisible Method
KeyboardDolly Method
KeyboardDollyInOut Method
KeyboardRotate Method
Magnify Method
MouseAdjustLensLength Method
MouseDollyZoom Method
MouseInOutDolly Method
MouseLateralDolly Method
MouseMagnify Method
MouseRotateAroundTarget Method
MouseRotateCamera Method
MouseTilt Method
NextConstructionPlane Method
NextViewProjection Method
PopConstructionPlane Method
PopViewProjection Method
PreviousConstructionPlane Method
PreviousViewProjection Method
PushConstructionPlane Method
PushViewInfo Method
PushViewProjection Method
Rotate Method
ScreenToClient Method
SetCameraDirection Method
SetCameraLocation Method
SetCameraLocations Method
SetCameraTarget Method
SetClippingPlanes Method
SetConstructionPlane Method
SetProjection Method
SetToPlanView Method
SetTraceImage Method
SetUserString Method
SetViewProjection Method
SetWallpaper Method
WorldToClient Method
ZoomBoundingBox Method
ZoomExtents Method
ZoomExtentsSelected Method
ZoomWindow Method
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RhinoViewportGetWorldToScreenScale Method

Gets the world to screen size scaling factor at a point in frustum.

Namespace:  Rhino.Display
Assembly:  RhinoCommon (in RhinoCommon.dll)
Since: 5.0
Syntax
Copy
public bool GetWorldToScreenScale(
	Point3d pointInFrustum,
	out double pixelsPerUnit
)

Parameters

pointInFrustum
Type: Rhino.GeometryPoint3d
A point in frustum.
pixelsPerUnit
Type: SystemDouble
scale = number of pixels per world unit at the 3d point.

This out parameter is assigned during this call.

Return Value

Type: Boolean
true if the operation is successful.
See Also