Chapter
4
Visualization HMIs
For array values, each element of the array will be passed in turn to the format
string. For example, if a PointDm is being used, there are four expected array
values corresponding to X, Y, angle, scale. (The order is the same as for variant
access via VB). An example of using a format for PointDm:
(%.2f,%.2f) angle=%.1f scale=%.1f
This will display a result similar to:
(23.23,45.10) angle=3.2 scale=1.0
The later array values can be considered optional and can be omitted if desired.
For example, to display just the x and y values of a PointDm, use the format
string:
center = (%6.2f, %6.2f)
This will display a result similar to:
center = (134.22, 452.12)
If no format string is specified, an appropriate default format is used. For
example, for a LineDm, by default the datum value will be displayed as:
A = value, B = value, C = value
4-16
Visionscape® Smart Camera HE1600T Guide
Rev. 1H, Mar 2009
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