Dalsa Spyder2 - Page 25

25 Spyder2 User’s Manual
03-032-10091-06 Teledyne DALSA
command, the Min, Max, and Mean statistics at the end of
the li ne ou
tput include statistics for the region of interest
only.
• Val ues returned are in DN .
Example:
gl 10 20
Returning Multiple Lines of Video
You can also return the average for multiple lines of video data. The number of lines to
sample is set and adjusted by the
css command. The camera displays the M i n., M ax., and
Mean statistics. If you are using a region of interest, the camera displays the statistics for
the region of inter est only.
To set the number of lines to sample, use the command:
Sy n t ax :
css i
Sy ntax Elements:
i
Number of lines to sample. Allowable values are 16, 32, or
64
(factory setting).
N otes:
• To return the current setting, use the
gcp
command.
Example:
css 32
To return the average of multiple lines of video, use the command:
Sy n t ax :
gla [x1] [x2]
Sy ntax Elements:
[x1]
Optional parameter. This sets the start pixel to display on
screen. Allowable range is 1 to sensor pixel count. This value
does not affect the M in, M ax, and M ean stati sti cs generated
at the end of the line output.
[x2]
Optional parameter. This sets the end pixel to display on
screen. Allowable range is (x1 + 1) to sensor pixel count. This
value does not affect the M in, M ax, and M ean stati stics
generated at the end of the l i ne output.
N otes:
• If you do not specify a pixel range to display, the line
output will display all sensor pixels on screen.
• If a region of inter est has been set using the roi
command, the Min, Max, and Mean statistics at the end of
the line output include
statistics for the region of interest
only.
• Val ues returned are in DN .
Example:
gl 10 20