poIImagePlane GetShowTrackingMarker

Gets the status of the video tracking marker.

Syntax

Imageplane_handle GetShowTrackingMarker

Application

HyperView Tcl Query

Description

This command returns the status of the video tracking marker (true = enabled; false = disabled).

Example

To determine if the video tracking marker will be drawn:

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 GetImagePlaneCtrlHandle ipc_handle
ipc_handle GetImagePlaneHandle image_plane_handle 1
image_plane_handle GetShowTrackingMarker
hwi CloseStack

Error

Returns HW_InvalidHandle if the image plane handle is invalid.