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−c |
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Specify a compression scheme to
use when writing image data: none for no compression,
packbits for PackBits compression (will be used by
default), lzw for Lempel-Ziv & Welch compression,
jpeg for baseline JPEG compression, zip for
Deflate compression, g3 for CCITT Group 3 (T.4)
compression, and g4 for CCITT Group 4 (T.6)
compression. |