Dalsa Piranha ES Series, User Manual

Page: 51 / 106

Piranha ES-xx User Manual
Teledyne DALSA 03-032-20070-02
51
3.4.5 Setting a Pretrigger
Pu rp ose: A p retrigger m ay be requ ired for som e fram e grabbers.
Syntax: spt i
Syntax Elem ents: i
Pretrigger in a range from
0
to
16
.
3.5 Data Processing
3.5.1 Setting a Region of Interest
Pu rp ose: Sets the p ixel range u sed to collect the end -of-line statistics and
sets the region of p ixels u sed in the
ccg
,
cao
,
cpa
,
gl
,
gla
,
ccf
,
and
ccp
com m and s.
In m ost ap p lications, the field of view exceed s the requ ired object
size and these extraneou s areas shou ld be ignored . It is
recom m end ed that you set the region of interest a few p ixels
insid e the actu al u seable im age.
Syntax:
roi x1 y1 x2 y2
Syntax Elem ents: x1
Colu m n start nu m ber. Mu st be less than or equ al to the
colu m n end nu m ber in a range from
1
to (colu m n resolu tion –
1).
y1
Row start nu m ber. Mu st be less than or equ al to the row end
nu m ber in a range from
1
to (row end nu m ber – 1) excep t in
TDI Mod e w here
y1
m u st be
1
.
x2
Colu m n end nu m ber. Mu st be greater than or equ al to the
colu m n start nu m ber in a range from
2
to colu m n resolu tion.
y2
Row end nu m ber. Mu st be greater than or equ al to the row
start nu m ber in a range from
2
to nu m ber of stages excep t in
TDI Mod e w here
y2
m u st be
1
.
N otes:

If you are u sing binning, the start p ixel is rou nd ed d ow n to
the beginning of binned area and end p ixel is rou nd ed u p to
the end of the binned area.

In Area Mod e, the roi m u st be w ithin the stage. If the
requ ested roi is above the stage, the roi row s w ill be clip p ed .
The start and end row s w ill be clip p ed to the stage selection
if necessary. A ―clip p ed to m ax‖ w arning m essage is
retu rned .
Related Com m and s
ccg
,
cao
,
cpa
,
gl
,
gla
,
ccf
,
ccp
,
els
Exam p le:
roi 10 1 50 1
(TDI Mod e)