BMP
| Uncompressed 24 bit Microsoft windows bitmap. The approximate size of the file (in bytes) is file size = 3 * image width *image height
| PNG
| 24 bit lossless compressed Portable Network Graphics image. offers the similar degree of compression as GIF but has better colour quality.
| JPG
| Joint Photographic Experts Group compressed format. This gives image quality nearly comparable to 24 bit-plane bitmaps, but with a file of < 5% the equivalent size. JPEG format is supported by all common visualisation packages and is recommended for all applications unless image quality is of paramount importance.
| PPM
| 24 bit uncompressed Portable Pix Map. The approximate size of the file is [3 * image width *image height] bytes.
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Various
.bmp
formats are available,
and there are
Controls
for the dithering
of the 8 bit-plane variants and palette optimisation .
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RESOLUTION
All images can be output at either the screen resolution or at a resolution
of either 2 or 4 times the screen resolution.
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