poIImagePlane SetVidTrackingWindowSize

Sets the size of the window used for video tracking.

Syntax

Imageplane_handle SetVidTrackingWindowSize size

Application

HyperView Tcl Modify

Description

This command sets the the size of the window that CalcVidTracking searches after each frame to find the tracking point.

Inputs

size
An integer value between 5 and 50.

Example

To set the size of the tracking window to 10:
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 SetVidTrackingWindowSize 10
hwi CloseStack

Errors

Returns HW_InvalidHandle if the image plane handle is invalid, or HW_Error if the size is not an integer or is not between 5 and 50.