Cropping And Displaying Part Of An Image (Digital Ptz) - Canon VB-H43 Operation Manual

Cropping and Displaying Part of an Image
(Digital PTZ)
You can use the Digital PTZ panel to crop and display
part of a camera image in the image display area. It is
also possible to use a preset or home position registered
to the camera.
Digital PTZ
Digital PTZ is a function that facilitates simple panning,
tilting, and zooming without changing the camera lens
position that was adjusted at the time of installation by
transmitting just part of the camera effective pixel area
from the camera to the viewer.
Note
• For details on how this function differs from Viewer PTZ, see
p. 144.
• If digital PTZ is enabled while receiving H.264 video, the
received video changes to JPEG format.
Opening the Digital PTZ Panel
Click the [Digital PTZ] button to display the Digital PTZ
panel.
The appearance of the [Digital PTZ] button differs as
follows depending on the state of the Digital PTZ function.
Digital PTZ is disabled (displays the scene as seen by
the camera).
Digital PTZ is enabled (displays trimmed video).
Specifying a Cropping Range
Change the position and size of the preview frame on the
Digital PTZ panel to specify the range to display in the
image display area.
The preview frame is blue when you have not obtained
camera control privileges. When you obtain camera
control privileges, the preview frame turns yellow and you
can use the following procedures to resize and move it.
Changing the Size
You can resize the preview frame by dragging it. The
preview frame turns blue during dragging. The image
inside the frame is displayed in the image display area in
accordance with the size of the frame.
The preview frame size can be set to any of five sizes (the
changed size is displayed under [Video Size] on the
digital PTZ panel).
The sizes that can be selected depend on the [Video Size
Set] setting under [Video] > [All Videos] on the Setting
page (p. 57).
If the aspect ratio of the set [Video Size Set] is 16:9, the
five sizes are 640 x 360, 512 x 288, 384 x 216, 256 x 144,
and 128 x 72. If the aspect ratio is 4:3, the five sizes are
640 x 480, 512 x 384, 384 x 288, 256 x 192, and 128 x 96.
Changing the Position
You can move the preview frame by dragging the inside
of the frame.
If you click any position in the Digital PTZ display area, the
preview frame moves to the clicked position.
Note
The preview frame moves in stages. You cannot finely adjust the
position.
Specifying a Range with the Sliders
You can use the pan, tilt, and zoom sliders for the image
display area to specify the cropping range in the image
display area. The preview frame on the Digital PTZ panel
How to Operate the Viewer
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