Area Zoom - Sony CH140 Application Manual

Application Guide

4.1.2. Area Zoom

PTZ
Note:
• Full and Pan/Tilt users, as well as administrators, can use this command.
It is possible to make the pan and tilt displacement of the camera by using "AreaZoom"
parameter which is familiar to the mouse operation. At first regard the center of the shot image
as coordinate origin in Figure1. The camera will shot the dashed line area after the command set.
CGI
ptzf.cgi
CGI Syntax:
http://ip_adr/command/ptzf.cgi?AreaZoom=value,value,value,value,value
Figure 1: Conceptual diagram
for area zoom operation
Note:
• When zooming in to the specified area, the center may shift according to the conditions of
the current pan, tilt and zoom position or specified center.
• When the current zoom position is the optical tele area, the zoom action is limited to the
optical zoom maximum. If the "AreaZoom" operation is made on condition that the zoom
position is set to the optical maximum, the digital zoom action is performed according to
the zoom mode.
• When w=0 and h=0 are set in the AreaZoom parameter, no zoom operation is performed
except the pan and tilt operation.
Sony Network Camera
ZP550 ZR550
Parameter Value
<center x>
<center y>
<width>
AreaZoom
<height>
<codec>
Pan/Tilt/Zoom/Focus
Description
Sets the X distance from the center, in pixels.
Sets the Y distance from the center, in pixels.
Sets the width of the rectangle from the center.
Set to "0" for a PT camera.
Sets the height of the rectangle from the center.
Set to "0" for a PT camera.
Sets the instance to image1,image2 or image3.
w
y
x
(0, 0)
7
h
June, 2013 / V3.1