poIImagePlane SetVidTrackData
Explicitly sets the video tracking data.
Syntax
Imageplane_handle SetVidTrackData data
Application
HyperView Tcl Modify
Description
This command explicitly sets the arrays used for video tracking rather than calculating them from a tracking point. This is primarily used for restoring session files.
Inputs
- data
- A string in the form “x y X Y X Y X Y…..”, where x and y are floats for the pixel location of the tracking point and the remaining X's and Y's are the offsets per frame order from beginning to end.
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 GetImagePlaneCtrlHandle ipc_handle
ipc_handle GetImagePlaneHandle image_plane_handle 1
image_plane_handle SetVidTrackData “1 1 5 5”
hwi CloseStack
Errors
Returns HW_InvalidHandle if the image plane handle is invalid.