DEGAS image

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|formattype=electronic
 
|formattype=electronic
 
|subcat=Graphics
 
|subcat=Graphics
|extensions={{ext|pi1}}, {{ext|pi2}}, {{ext|pi3}}, {{ext|pc1}}, {{ext|pc2}}, {{ext|pc3}}
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|subcat2=Atari graphics formats
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|extensions={{ext|pi1}}, {{ext|pi2}}, {{ext|pi3}}, {{ext|suh}}, {{ext|pc1}}, {{ext|pc2}}, {{ext|pc3}}
 
}}
 
}}
The '''DEGAS formats''' are a group of raster image file formats associated with the ''DEGAS'' and ''DEGAS Elite'' paint programs for Atari ST.
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'''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.
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The compressed formats use [[PackBits]] compression.
  
 
== Formats ==
 
== Formats ==
There are at least nine formats:
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There are nine main DEGAS image formats:
* DEGAS, low resolution (.PI1)
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{| class="wikitable"
* DEGAS, medium resolution (.PI2)
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! Format
* DEGAS, high resolution (.PI3)
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! Resolution
* DEGAS Elite, low resolution (.PI1)
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! Ext.
* DEGAS Elite, medium resolution (.PI2)
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! Signature
* DEGAS Elite, high resolution (.PI3)
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! File size
* DEGAS Elite, low resolution, compressed (.PC1)
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|-
* DEGAS Elite, medium resolution, compressed (.PC2)
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|DEGAS low res.    || 320×200, 16 colors || .PI1 || {{magic|00 00}} || 32034
* DEGAS Elite, high resolution, compressed (.PC3)
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|-
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|DEGAS medium res. || 640×200, 4 colors  || .PI2 || {{magic|00 01}} || 32034
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|-
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|DEGAS high res.  || 640×400, 2 colors  || .PI3 || {{magic|00 02}} || 32034
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|-
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|DEGAS Elite low res.    || 320×200, 16 colors || .PI1 || {{magic|00 00}} || 32066
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|-
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|DEGAS Elite medium res. || 640×200, 4 colors  || .PI2 || {{magic|00 01}} || 32066
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|-
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|DEGAS Elite high res.  || 640×400, 2 colors  || .PI3 .SUH || {{magic|00 02}} || 32066
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|-
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|DEGAS Elite low res. compressed   || 320×200, 16 colors || .PC1 || {{magic|80 00}} || (varies)
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|-
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|DEGAS Elite medium res. compressed || 640×200, 4 colors  || .PC2 || {{magic|80 01}} || (varies)
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|-
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|DEGAS Elite high res. compressed   || 640×400, 2 colors  || .PC3 || {{magic|80 02}} || (varies)
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|}
  
There may also be unofficial formats with file extensions .PC0, .PC4, .PC5, and .PC6.
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For formats with extensions '''.PI4''' through '''.PI9''', see [[Extended DEGAS image]].
  
== Specifications ==
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== Related formats ==
* [http://oreilly.com/www/centers/gff/formats/atari/index.htm Atari ST Graphics Formats]
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Other DEGAS formats:
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* [[DEGAS Elite icon]] (.ICN)
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* DEGAS Elite block (.BL1, .BL2, .BL3): These files are in [[ILBM]] format, with an unusual file extension. ([http://cd.textfiles.com/806atari/401-500/438/DEGELITE/BLOCKS/ examples])
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* [[DEGAS Elite brush]] (.BRU) ([http://cd.textfiles.com/806atari/401-500/438/DEGELITE/BRUSHES/ examples])
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* DEGAS Elite fill pattern (.FIL, .FI1, .FI2) ([http://cd.textfiles.com/806atari/401-500/438/DEGELITE/FILLS/ examples])
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* [[Extended DEGAS image]] (.PI4, .PI5, .PI6, .PI7, .PI8, .PI9)
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See also:
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* [[Atari ST color palette]]
  
 
== Software ==
 
== Software ==
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* [[Konvertor]]
 
* [[RECOIL]]
 
* [[RECOIL]]
 
* [[Netpbm]]: pi1toppm, pi3topbm, pc1toppm
 
* [[Netpbm]]: pi1toppm, pi3topbm, pc1toppm
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* [[XnView]]
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* [[Tom's Editor]]
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* [[Tom's Viewer]]
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* {{Deark}}
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* [http://snisurset.net/code/abydos/ abydos]
  
 
== Sample files ==
 
== Sample files ==
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* http://cd.textfiles.com/suzybatari2/degas/
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* http://cd.textfiles.com/geminiatari/FILES/EMAG/ (see the [http://cd.textfiles.com/geminiatari/FILES/EMAG/00_LIST.TXT index])
 
* http://samples.libav.org/image-samples/atarist/degas/
 
* http://samples.libav.org/image-samples/atarist/degas/
 
* [http://www.page6.org/st_lib/st_lib.htm ST Library] →
 
* [http://www.page6.org/st_lib/st_lib.htm ST Library] →
Line 35: Line 70:
 
** [http://www.page6.org/st_lib/clipart/cl053.php CL053] through [http://www.page6.org/st_lib/clipart/cl070.php CL070] (PI3)
 
** [http://www.page6.org/st_lib/clipart/cl053.php CL053] through [http://www.page6.org/st_lib/clipart/cl070.php CL070] (PI3)
 
** [http://www.page6.org/st_lib/clipart/cl071.php CL071] (PI3, PC3)
 
** [http://www.page6.org/st_lib/clipart/cl071.php CL071] (PI3, PC3)
* http://cd.textfiles.com/suzybatari2/degas/
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* http://whatis.rest7.com/how-to-open-pi1-file (Sample Degas Pi1 images)
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* http://whatis.rest7.com/how-to-open-pi2-file (Sample Degas Pi2 images)
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* http://whatis.rest7.com/how-to-open-pi3-file (Sample Degas Pi3 images)
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* {{DexvertSamples|image/degasLow}}
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* {{DexvertSamples|image/degasLowPI}}
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* {{DexvertSamples|image/degasMed}}
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* {{DexvertSamples|image/degasMedPI}}
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* {{DexvertSamples|image/degasHi}}
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* {{DexvertSamples|image/degasHiPI}}
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* {{DexvertSamples|image/iffILBM}} → *.bl1, *.bl2, *.bl3
  
 
== Resources ==
 
== Resources ==
* [http://www.atari-forum.com/wiki/index.php?title=ST_Picture_Formats ST Picture Formats]
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* {{AtariForumWiki|ST_Picture_Formats|ST Picture Formats}}
 
* [http://wiki.multimedia.cx/index.php?title=Degas MultimediaWiki article]
 
* [http://wiki.multimedia.cx/index.php?title=Degas MultimediaWiki article]
 
[[Category:Atari computers]]
 

Latest revision as of 04:44, 28 December 2023

File Format
Name DEGAS image
Ontology
Extension(s) .pi1, .pi2, .pi3, .suh, .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.

Contents

[edit] 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 .SUH 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.

[edit] Related formats

Other DEGAS formats:

See also:

[edit] Software

[edit] Sample files

[edit] Resources

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