poI3DViewCtrl GetInputPrincipalPointOffset

Gets the input principal point offset of a stored view.

Syntax

poI3DViewCtrl_handle GetInputPrincipalPointOffset name

Application

HyperView Tcl Query

Description

Returns a string consisting of an x and y offset. These values represent a shift of the view horizontally and vertically in the window. The values are typically the same as the manufacturer specifications of a camera.

Inputs

name: If specified, the offset of the view with that name will be returned. Otherwise, the current view’s offset will be returned.

Example

To get the input point offset of a view named "View 1":

hwi OpenStack
hwi GetSessionHandle session_handle
session_handle GetProjectHandle project_handle
project_handle GetPageHandle page_handle [project_handle GetActivePage]
page_handle GetWindowHandle window_handle [page_handle GetActiveWindow]
window_handle GetViewControlHandle view_handle
view_handle GetInputPrincipalPointOffset "View 1"
hwi CloseStack

Errors

Returns HW_InvalidHandle if the view handle is invalid.

Returns HW_InvalidArgs if the named view does not exist.