Spyder 3 GigE User Manual
03-032-10158-09
DALSA
66
A2 Data Processing
A2.1 Setting a Region of Interest (ROI)
Purpose:
Sets the pixel range used to collect the end-of-line statistics and
sets the region of pixels used in the
42H
ccg
,
43H
cao
,
44H
gl
,
45H
gla
,
46H
ccf
, and
47H
ccp
commands.
In most applications, the field of view exceeds the required object
size and these extraneous areas should be ignored. It is
recommended that you set the region of interest a few pixels inside
the actual useable image.
Syntax:
roi x1 y1 x2 y2
Syntax Elements:
x1
Pixel start number. Must be less than the pixel end number in a
range from
1
to
sensor resolution
.
y1
Column start number. Since the Spyder 3 GigE is a line scan
camera, this value must be
1
.
x2
Pixel end number. Must be greater than the pixel start number
in a range from
1
to
sensor resolution
.
y2
Column end number. Since the Spyder 3 GigE is a line scan
camera, this value must be
1
.
Notes:
•
To return the current region of interest, use the commands
48H
gcp
or
49H
get
roi
.
Related Commands
50H
ccg
,
51H
cao
,
52H
gl
,
53H
gla
,
54H
ccf
,
55H
ccp
,
56H
cpa
,
57H
els
Example:
roi 10 1 50 1
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