Vuquest 3320g User Guide 159
L, R, T, B, M - Image Cropping
Note: Image Cropping should not be used with IMGSHP Modifiers (see page 154).
Ships a window of the image by specifying the left, right, top, and bottom pixel
coordinates. Device columns are numbered 0 through 1279, and device rows are
numbered 0 through 959.
nL The left edge of the shipped image corresponds to column n of the image
in memory. Range: 000 - 843. (Default = 0)
nR The right edge of the shipped image corresponds to column n - 1 of the
image in memory. Range: 000 - 843. (Default = all columns)
nT The top edge of the shipped image corresponds to row n of the image in
memory. Range: 000 - 639. (Default = 0)
nB The bottom edge of the shipped image corresponds to row n - 1 of the
image in memory. Range: 000 - 639. (Default = all rows)
Alternately, specify the number of pixels to cut from the outside margin of the
image; thus only the center pixels are transmitted.
nM Margin: cut n columns from the left, n + 1 columns from the right, n rows
from the top, and n + 1 rows from the bottom of the image. Ship the
remaining center pixels. Range: 0 - 238. (Default = 0, or full image)
Example of Image
Crop set to 300L:
Example of Image Crop
set to 300R:
Uncropped Image:
Example of Image Crop set to 200T:Example of Image Crop set to 200B:
Example of Image Crop set to 238M:
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