11 Mask Test
348 InfiniiVision Oscilloscopes User’s Guide
Building a Mask File
The following mask uses all eight regions. The most difficult part of creating a mask file is
normalizing the X and Y values from the time and voltage values. This example shows an
easy way to convert voltage and time to normalized X and Y values in the mask file.
The following mask file produced the mask shown above:
MASK_FILE_548XX
"All Regions"
/* Region Number */ 1
/* Number of vertices */ 4
-12.50, MAX
-10.00, 1.750
10.00, 1.750
12.50, MAX
/* Region Number */ 2
/* Number of vertices */ 5
-10.00, 1.000
-12.50, 0.500
-15.00, 0.500
-15.00, 1.500
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