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Last UpdatedNov 06, 2025
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If a non-AVEVA text font is used in AutoCAD the height of the text will be the same in both systems, but the length of the text will differ. The mapping of non-AVEVA fonts on to font numbers in Draft assumes that the default Font family definition is in use for the project.

AutoCAD width factor and vertical text path are ignored. AutoCAD underlining will be interpreted as Draft underlining. AutoCAD overscore codes are ignored. Positive oblique angle is interpreted as forward shear. Negative oblique angle is interpreted as backward shear. Non-standard text-generation flags are ignored.

AutoCAD special symbols degree, plus/minus and diameter symbol will be converted to the appropriate Draft special symbol.

AutoCAD special character numbers are ignored. AutoCAD Bigfont text cannot be generally transferred - but see below. However special characters in the AutoCAD fonts, that have been defined to work with AVEVA, will be reinterpreted back into the equivalent special characters in Draft.

To simplify the transfer of files between systems which have restrictions on filename lengths, a convention for file naming has been adopted that never produces filenames with a prefix greater than eight characters long. The system does this by:

The first five digits of the old font file names have been condensed to two alphanumeric characters.
The prefixes ’f’, ’ef’, ’of’ and ’sf’ have been shortened to their first letter.
As DOS is case-insensitive, UPPER CASE is used for prefixes (TESTFILE ) with lower case letters for the suffix (.txt for example).

The condensation method mentioned in point one above is designed to be reasonably memorable. The initial two digits of the old file name are re-encoded as follows:

Initial code	New Code	Meaning
01	L	Latin
02	G	Greek
03	C	Cyrillic
04	A	Arabic
05	H	Hebrew
11	X	Chinese
12	J	Japanese
13	K	Korean
09	O	Oddments (1 byte)

The next three digits of the old file name (which represent the character set) become:

Initial Code	New Code	Meaning
004	B	British
006	A	American
100	1	‘right-hand’ half of Latin-1
101	2	‘right-hand’ half of Latin-2
109	3	‘right-hand’ half of Latin-3
110	4	‘right-hand’ half of Latin-4
148	5	‘right-hand’ half of Latin-5
018	G	Greek
537	R	Russian
521	D	German (Deutsch)
998	R	Russian mixture (Latin-Cyrillic)
999	P	PDMS symbols
058	X	Chinese basic
087	J	Japanese basic
126	L	‘right-hand’ half of Latin-Greek
144	L	‘right-hand’ half of Latin-Cyrillic
127	L	‘right-hand’ half of Latin-Arabic
138	L	‘right-hand’ half of Latin-Hebrew

Note:
The re-use of character set ‘L’ is not important, as the fonts concerned are made distinct by the alphabet letter.

The current range of alphabets and character-sets supported is represented as:

Old Code	New Code	Meaning
01004	LB	Latin, British
01006	LA	Latin, American
01100	L1	‘right-hand’ half of Latin-1
01101	L2	‘right-hand’ half of Latin-2
01109	L3	‘right-hand’ half of Latin-3
01110	L4	‘right-hand’ half of Latin-4
01148	L5	‘right-hand’ half of Latin-5
01521	LD	Latin, German
02018	GG	Greek
02126	GL	‘right-hand’ half of Latin-Greek
03537	CR	Cyrillic, Russian
03144	CL	‘right-hand’ half of Latin-Cyrillic
04127	AL	‘right-hand’ half of Latin-Arabic
05138	HL	‘right-hand’ half of Latin-Hebrew
09998	OR	Latin-Cyrillic (obsolete)
11058	XX	Chinese (basic set)
12087	JJ	Japanese (basic set)

The prefix of one to three initial letters becomes a single letter, as described above:

Letter Meaning

F	Filled Font	}
O	Outline Font	} 1-byte fonts
U	Uniform Width Font	}

E	EUC Encoding	} 2-byte fonts
S	Shift-JIS Encoding	}

TrueType fonts can be used in addition to the AVEVA fonts. See TrueType Texts for further information.

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