JEDMICS C4 - Revision history

Jsummers at 15:01, 2 March 2021

2021-03-02T15:01:20Z

Jsummers at 14:11, 21 February 2021

2021-02-21T14:11:28Z

Jsummers: Category:Military

2016-10-17T10:52:40Z

Category:Military

Jsummers at 20:05, 5 May 2016

2016-05-05T20:05:03Z

Marco at 14:57, 22 February 2016

2016-02-22T14:57:20Z

Jsummers at 18:00, 29 August 2015

2015-08-29T18:00:09Z

Jsummers at 14:24, 11 April 2013

2013-04-11T14:24:16Z

Jsummers at 20:15, 10 April 2013

2013-04-10T20:15:20Z

Jsummers: Created page with "{{FormatInfo |formattype=electronic |subcat=Graphics |extensions={{ext|c4}} }} == Overview == '''JEDMICS C4''' is a raster image file format. The name comes from an entity na..."

2013-03-18T06:03:16Z

Created page with "{{FormatInfo |formattype=electronic |subcat=Graphics |extensions={{ext|c4}} }} == Overview == '''JEDMICS C4''' is a raster image file format. The name comes from an entity na..."

New page

{{FormatInfo
|formattype=electronic
|subcat=Graphics
|extensions={{ext|c4}}
}}
== Overview ==
'''JEDMICS C4''' is a raster image file format.

The name comes from an entity named JEDMICS (Joint Engineering Data Management Information and Control System), which is related in some way to the U.S. Department of Defense.

== Specifications ==
* https://www.jedmics.net/public/C4-Img-Spec.pdf ''(SSL certificate problems as of 3/2013, but no alternate source could be located)''

== Software ==
* [http://www.xnview.com/ XnView]

@@ Line 4: / Line 4: @@
 |extensions={{ext|c4}}, {{ext|ct4}}
 }}
-'''JEDMICS C4''' is a bi-level raster image file format. It is also known as '''EDMICS C4''' or '''CALS Raster Type 4'''.
+'''JEDMICS C4''' is a bi-level raster image file format. It is also known by other names, such as '''EDMICS C4'''. It was incorporated into [[CALS raster]] as '''CALS Raster Type 4'''.
 The name comes from an entity named JEDMICS (Joint Engineering Data Management Information and Control System), which is related in some way to the U.S. Department of Defense.
@@ Line 10: / Line 10: @@
 It was designed by Image Machines Corporation. See also [[TG4 (Image Machines)]].
-== Format ==
+== Format details ==
 Files have a 128-byte header, followed by a tile index, followed by the pixel data in the form of a set of 512×512-pixel tiles. Each tile is compressed with [[CCITT Group 4]], or is uncompressed.
@@ Line 18: / Line 18: @@
 == See also ==
 * [[CALS raster]]
 == Specifications ==

@@ Line 7: / Line 7: @@
 The name comes from an entity named JEDMICS (Joint Engineering Data Management Information and Control System), which is related in some way to the U.S. Department of Defense.
 == Format ==
@@ Line 12: / Line 14: @@
 == Identification ==
-Files begin with (hex) bytes <code>80 00 00 00</code>.
+Files begin with (hex) bytes {{magic|80 00 00 00}}. The byte at offset 36 is {{magic|04}} or {{magic|06}}. See the "Header Error Conditions" section of the specification for more constraints.
 == See also ==

← Older revision		Revision as of 10:52, 17 October 2016
Line 25:		Line 25:
	* [[XnView]]		* [[XnView]]
	* [[Image Alchemy]]		* [[Image Alchemy]]
		+
		+	[[Category:Military]]

@@ Line 12: / Line 12: @@
 == Identification ==
-The specification implies that files begin with (hex) bytes <code>80 00 00 00</code>.
+Files begin with (hex) bytes <code>80 00 00 00</code>.
 == See also ==
@@ Line 24: / Line 24: @@
 * [[Konvertor]]
 * [[XnView]]

← Older revision		Revision as of 14:57, 22 February 2016
Line 22:		Line 22:

	== Software ==		== Software ==
		+	* [[Konvertor]]
	* [[XnView]]		* [[XnView]]

@@ Line 2: / Line 2: @@
 |formattype=electronic
 |subcat=Graphics
-|extensions={{ext|c4}} {{ext|ct4}}
+|extensions={{ext|c4}}, {{ext|ct4}}
 }}
 '''JEDMICS C4''' is a bi-level raster image file format. It is also known as '''EDMICS C4''' or '''CALS Raster Type 4'''.
@@ Line 23: / Line 22: @@
 == Software ==
-* [http://www.xnview.com/ XnView]
+* [[XnView]]