A4.2 Returning Video Information - Dalsa Spyder 3 GigE SG-10-01k80-00-R User Manual

Spyder 3 GigE User's Manual

A4.2 Returning Video Information

The camera's microcontroller has the ability to read video data. This functionality can be
used to verify camera operation and to perform basic testing without having to connect
the camera to a frame grabber. This information is also used for collecting line statistics
for calibrating the camera.
Returning a Single Line of Video
Purpose:
Syntax:
Syntax Elements:
Notes:
Related Commands
Example:
Returning Averaged Lines of Video
Setting the Number of Lines to Sample
Purpose:
Syntax:
Syntax Elements:
Notes:
Related Commands:
Example:
DALSA
Returns a complete line of video (without pixel coefficients
applied) displaying one pixel value after another. After pixel
values have been displayed it also displays the minimum,
maximum, and mean value of the line sampled within the region
of interest (the region of interest command is explained in section
A 2.1 Setting a Region of Interest (ROI)).
2 9 3 H
Use the gl command, or the following
the proper video input range into the processing chain before
executing any pixel calibration commands.
gl x1 x2
x1
Pixel start number. Must be less than the pixel end number in
a range from 1 to sensor resolution .
x2
Pixel end number. Must be greater than the pixel start number
in a range from 2 to sensor resolution .
≤
•
If x2 x1 then x2 is forced to be x1 .
•
Values returned are in 12-bit DN.
r oi
1 1 0 H
gl 10 20
Sets the number of lines to sample when using the gla command
or when performing FPN and PRNU calibration.
css m
m
Number of lines to sample. Allowable values are 256 , 512 ,
or 1024 (factory setting).
•
To return the current setting, use the
.
css
g la, c cf, c cp, c pa
1 1 3 H 1 1 4 H 1 1 5 H 1 1 6 H
css 1024
command, to ensure
g la
1 0 9 H
command or
g cp g et
1 1 1 H 1 1 2 H
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