poIRenderOptions GetEyeScreenRatio
Gets the ratio of distance between the viewer's eyes and the distance from the screen.
Syntax
poIRenderOptions_handle GetEyeScreenRatio
Application
HyperView Tcl Query
Description
This command returns the ratio of distance between the viewer's eyes and the distance from the screen. The ratio is used to determine how far objects can appear outside the screen.
Example
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 GetClientHandle client_handle
client_handle GetRenderOptionsHandle render_options
render_options GetEyeScreenRatio
hwi CloseStack
Errors
Returns a value of "3" if the handle is invalid.