DEGAS image

File Format
Name	DEGAS image
Ontology	Electronic File Formats Graphics Atari graphics formats DEGAS image
Extension(s)	.pi1, .pi2, .pi3, .pc1, .pc2, .pc3

DEGAS image refers to a family of raster graphics formats associated with the DEGAS (or D.E.G.A.S., for Design & Entertainment Graphic Arts System) and DEGAS Elite paint programs for Atari ST.

The compressed formats use PackBits compression.

Formats

There are nine main DEGAS image formats:

Format	Resolution	Ext.	Signature	File size
DEGAS low res.	320×200, 16 colors	.PI1	00 00	32034
DEGAS medium res.	640×200, 4 colors	.PI2	00 01	32034
DEGAS high res.	640×400, 2 colors	.PI3	00 02	32034
DEGAS Elite low res.	320×200, 16 colors	.PI1	00 00	32066
DEGAS Elite medium res.	640×200, 4 colors	.PI2	00 01	32066
DEGAS Elite high res.	640×400, 2 colors	.PI3	00 02	32066
DEGAS Elite low res. compressed	320×200, 16 colors	.PC1	80 00	(varies)
DEGAS Elite medium res. compressed	640×200, 4 colors	.PC2	80 01	(varies)
DEGAS Elite high res. compressed	640×400, 2 colors	.PC3	80 02	(varies)

For formats with extensions .PI4 through .PI9, see Extended DEGAS image.

Related formats

Other DEGAS formats:

• DEGAS Elite icon (.ICN)
• DEGAS Elite block (.BL1, .BL2, .BL3): These files are in ILBM format, with an unusual file extension. (examples)
• DEGAS Elite brush (.BRU) (examples)
• DEGAS Elite fill pattern (.FIL, .FI1, .FI2) (examples)
• Extended DEGAS image (.PI4, .PI5, .PI6, .PI7, .PI8, .PI9)

See also:

• Atari ST color palette

Software

• Konvertor
• RECOIL
• Netpbm: pi1toppm, pi3topbm, pc1toppm
• XnView
• Tom's Editor
• Tom's Viewer
• Deark

Sample files

• http://cd.textfiles.com/suzybatari2/degas/
• http://cd.textfiles.com/geminiatari/FILES/EMAG/ (see the index)
• http://samples.libav.org/image-samples/atarist/degas/
• ST Library →
  • ST5 (PI1, PI2)
  • ST370 (PC1)
  • ST1049 (PI1)
  • CL053 through CL070 (PI3)
  • CL071 (PI3, PC3)
• http://whatis.rest7.com/how-to-open-pi1-file (Sample Degas Pi1 images)
• http://whatis.rest7.com/how-to-open-pi2-file (Sample Degas Pi2 images)
• http://whatis.rest7.com/how-to-open-pi3-file (Sample Degas Pi3 images)
• https://telparia.com/fileFormatSamples/image/abydos/ → *.pi# *.pc#

Resources

• ST Picture Formats
• MultimediaWiki article