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Chapter 15 Menus and Dialog Boxes 225
Vertical Skips
When the region of interest is less than the full chip, Vertical Skips allows you to bin and
quickly transverse the strips that precede and follow the ROI. The strips to be processed
and discarded are binned into blocks, each containing a number of strips, with the
Number of Blocks parameter determining how many blocks there will be before and
after the ROI.
The block size determines how quickly the region preceding and following the ROI will
be traversed. If the blocks are large, the region will be traversed quickly but there is the
possibility of overloading the output register and causing blooming. With small blocks,
the risk of blooming will be minimized but the time to traverse will be large.
WinView/32 uses an exponential algorithm to simultaneously achieve rapid traversing
with minimal risk of blooming. The first block, specified in strips, is large. Each
successive block is a factor of two smaller than the one preceding until the minimum
block size is reached. All remaining blocks are the minimum block size. By making the
first block as large and subsequent blocks increasingly small, the region preceding and
following the region of interest is transversed as rapidly as possible while minimizing
risk of the output register becoming saturated.
Minimum Block Size:
Sets the size, in strips, of the skip blocks that immediately
precede the data. The default value will generally give good results.
Number of Blocks:
Sets the number of binned “skip” blocks preceding and
following the region of interest. The default value will generally give good
results.
Control Buttons:
OK:
The operation specified will be performed.
Cancel:
Exits the window without performing any operations. Any changes will be lost.
Help:
Accesses context-sensitive Help for the page.
Color display layout tab page
Sets the colors that will be used for the various data display items. A different button is
provided for each display item and the color assigned to each is displayed to the right of
the pushbutton. See Chapter 6 for additional information on data display.