Sony MVS-7000X - Page 221

221
DME
Chapter 11 DME Operations
Local coordinate space and global coordinate space
Three-dimensional parameters
Three-dimensional parameters are x, y, and z values which
define the position of an image, its axis of rotation, the
position of an imaginary point of view on the image, and
so on.
The standard values of parameters are as follows,
depending on the aspect ratio of your monitor (4:3 or
16:9).
Values for 4:3 mode
• Origin at center of image (source coordinate space)
or center of monitor (target coordinate space)
x = 0.00, y = 0.00, z = 0.00
• Upper right corner of image or monitor
When using SD format signals: x = 4.00, y = 3.00, z =
0.00
When using HD format signals: x = 12.00, y = 9.00, z =
0.00
• Lower left corner of image or monitor
When using SD format signals: x = –4.00, y = –3.00, z =
0.00
When using HD format signals: x = –12.00, y = –9.00, z
= 0.00
Values for x-, y-, and z-axes (4:3 mode)
Values for 16:9 mode
• Origin at center of image (source coordinate space)
or center of monitor (target coordinate space)
x = 0.00, y = 0.00, z = 0.00
• Upper right corner of image or monitor
When using SD format signals: x = 4.00, y = 2.25, z =
0.00
When using HD format signals: x = 16.00, y = 9.00, z =
0.00
• Lower left corner of image or monitor
When using SD format signals: x = −4.00, y = −2.25, z =
0.00
When using HD format signals: x = −16.00, y = −9.00, z
= 0.00
Values for x-, y- and z-axes (16:9 mode)
Limits of three-dimensional parameters
The following table shows the limits of three-dimensional
transformation parameters.
The three-dimensional parameters of an image change
when you use the trackball or Z-ring to execute a
transformation. You can also execute a transformation by
entering parameter values from the numeric keypad
control block.
Rotation around y-axis in local coordinate space
Rotation around y-axis in global coordinate space
x-axis
z-axis –
y-axis
y-axis
z-axis +
The plus direction on the
z-axis is depth into the
image or monitor screen.
a) The value in parentheses is for HD
format.
x-axis
x-axis
z-axis –
y-axis
y-axis
z-axis +
The plus direction on the
z-axis is depth into the
image or monitor screen.
a) The value in parentheses is for
HD format.