-
-
tinyPack
...
bytes of RAM. The second most important object is speed of compression and
decompression. Popular compression algorithms such as LZW, typically require
several kilobytes of RAM to achieve useful compression, making them unsuitable.
The code is still in ...
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libjpeg-xr
... and write GIF files.
To avoid entanglement with the Unisys LZW patent, GIF reading support has
been removed altogether, and ... to produce
"uncompressed GIFs". This technique does not use the LZW algorithm; the
resulting GIF files are larger than usual, ...
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rr-base-map
... tif bc-3785.tif
Create hillshade:
> $ gdaldem hillshade -co compress=lzw bc-3785.tif bc-hillshade-3785.tif
Generate slope ... 0
Finally, generate shopeshade:
> $ gdaldem color-relief -co compress=lzw bc-slope-3785.tif slope-ramp.txt bc-slopeshade ...
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Juicy.Pixels
... - 32 bit floating point reading
- CMYK, YCbCr, RGB, RGBA, Paletted, Greyscale
- Uncompressed, PackBits, LZW
* Writing
- 8 and 16 bits
- CMYK, YCbCr, RGB, RGBA, Greyscale
- Uncompressed
* ...
-
jpeg
... and write GIF files.
To avoid entanglement with the Unisys LZW patent, GIF reading support has
been removed altogether, and ... to produce
"uncompressed GIFs". This technique does not use the LZW algorithm; the
resulting GIF files are larger than usual, ...
-
external-jpeg
... and write GIF files.
To avoid entanglement with the Unisys LZW patent, GIF reading support has
been removed altogether, and ... to produce
"uncompressed GIFs". This technique does not use the LZW algorithm; the
resulting GIF files are larger than usual, ...
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libarchive
... * GNU and BSD 'ar' archives
* 'mtree' format
The library can write:
* gzip compression
* bzip2 compression
* compress/LZW compression
* lzma and xz compression
* POSIX ustar
* POSIX pax interchange format
* "restricted" pax format, which ...
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GIF87a
... : image encoder
GIF87a.Transformations: some higher order functions and predefined
transformations on images
GIF87a.LZW implementation of the GIF LZW alorithm
Some tests can be found in the test-folder.
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libarchive-ruby
... ar' archives
* 'mtree' format
* lzma compression not supported
=== writing
* gzip compression
* bzip2 compression
* compress/LZW compression
* POSIX ustar
* POSIX pax interchange format
* "restricted" pax format, which will create ustar archives except ...
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jpeg
... and write GIF files.
To avoid entanglement with the Unisys LZW patent, GIF reading support has
been removed altogether, and ... to produce
"uncompressed GIFs". This technique does not use the LZW algorithm; the
resulting GIF files are larger than usual, ...
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