View source for Harvard Graphics

{{FormatInfo
|formattype=electronic
|subcat=Document
|subcat2=Presentation
|extensions={{ext|cht}}, {{ext|ch3}}, {{ext|shw}}, {{ext|sh3}}, {{ext|pr4}}, {{ext|sym}}, {{ext|sy3}}, others
|pronom={{PRONOM|x-fmt/32}}, {{PRONOM|x-fmt/101}}, {{PRONOM|x-fmt/324}}, {{PRONOM|x-fmt/325}}
|released=1986
}}
'''Harvard Graphics''' (originally named '''Harvard Presentation Graphics''') was a presentation and vector graphics program, used mainly on the MS-DOS platform. Technical information about its file formats is difficult to find.

== Formats ==
Some of the file formats used by Harvard Graphics are listed here, by file extension.

* '''.CHT''' - Chart (vector graphics) - {{PRONOM|x-fmt/325}}
* '''.CH3''' - Chart (v3) - {{PRONOM|x-fmt/32}}
* '''.SHW''' - Show (v2) - {{PRONOM|x-fmt/324}}
* '''.SH3''' - Show (v3)  - {{PRONOM|x-fmt/101}}
* '''.PRS''' - Presentation (v1-3) - {{PRONOM|fmt/1491}}
* '''.PR4''' - Presentation (v4) - {{PRONOM|fmt/1492}}
* '''.SYM''' - Symbol (v2)
* '''.SY3''' - Symbol file (v3)
* '''.PL''' - Palette
* '''.PL3''' - Chart palette (v3)
* '''.PC3''' - Custom palette (v3)
* '''.FN3''' - Font (v3)

== Related formats ==
* [[Speedo]] (.SPD) - Font format supported by Harvard Graphics 3.0

== Software ==
* [[Canvas]]

== Sample files ==
* [http://cd.textfiles.com/librisbritannia/GRAPHICS/CLIPASSD/2345.ZIP 2345.ZIP] - Contains some .SYM and .CHT files.
* [http://cd.textfiles.com/640swstudio/CLIPART/HMMWV.ZIP HMMWV.ZIP]
* [http://cd.textfiles.com/640swstudio/CLIPART/POLIT.ZIP POLIT.ZIP]
* [http://cd.textfiles.com/powerpakgold/GRAPHC_F/HGRAPH1.ZIP HGRAPH1.ZIP], [http://cd.textfiles.com/powerpakgold/GRAPHC_F/HVDGRAF1.ZIP HVDGRAF1.ZIP], [http://cd.textfiles.com/powerpakgold/GRAPHC_F/SYM6.ZIP SYM6.ZIP]
* {{DexvertSamples|image/harvardGraphicsChart}}

== Links ==
* [[Wikipedia: Harvard Graphics]]
* {{EGFF|harvard|Harvard Graphics File Format Summary}}, from the [[Encyclopedia of Graphics File Formats]]

[[Category:Graphics]]
[[Category:File formats with too many extensions]]