Request For Change (RFC) Index

A summary list of the changes proposed to IGES--from Version 1 on--in RFC order. The consensus document--the Edit Change Order (ECO)--identifies the resulting change incorporated.

The following are taken from RFC 001 - 059.
See successive pages for RFC 060 - 119, 120 - 179, 180 - 239, 240 - 299, 300 - 359, 360 - 419, 420 - 479, 480 - 539, 540 - on.

RFC	Date	ECO	Title	Author
001			Add a Text Entity	David Briggs
002		027	Specify direction of Conic Arc	Mark Quinlan
003			Clarify text and related figure	C.H. Shih
004				C.H. Shih
005			Clarify PD index text	C.H. Shih
006				C.H. Shih
007			Subordinate Entity Switch - Undefined	C.H. Shih
008			Clarify the Transformation Matrix	C.H. Shih
009		020	Clarify the Group Associativity	C.H. Shih
010		031	Clarify the Views Visible	C.H. Shih
011		019	Clarify backpointer requirements of the Views Entity	C.H. Shih
012			Clarify column headings of all PD tables	C.H. Shih
013		023	Clarify meanings ...	C.H. Shih
014		258	Clarify PD backpointer requirements	C.H. Shih
015	8/24/81		Repair Global 16 value in the example file	David M. Moore
016		013	Add an associativity for Signal	Steven J. Kaminski
017		003	Add a Path entity for layouts or schematics	Steven J. Kaminski
018		002	Add explanation of properties assigned to levels	Steven J. Kaminski
019		005	Add a regions restriction	Steven J. Kaminski
020		006	Add an applications function to a level	Steven J. Kaminski
021		007	Add a Region Fill property	Steven J. Kaminski
022		008	Add a Line Widening property	Steven J. Kaminski
023		004	Add a Simple Closed Area	Steven J. Kaminski
024			Add a 2-D Rectangular Array	Steven J. Kaminski
025		015	Add a Flash entity	Steven J. Kaminski
026			Add an Electrical Signal associativity	Steven J. Kaminski
027		009	Add a Drilled Hole property	Steven J. Kaminski
028		010	Add a Reference Designator property	Steven J. Kaminski
029		011	Add a Pin Number property	Steven J. Kaminski
030		012	Add a Part Number property	Steven J. Kaminski
031	10/28/81	024	Correct equation on page 54	Istvan Bodnar
032		021	Correct equation on page 56	Istvan Bodnar
033	10/28/81	022	Correct equation on page 58	Istvan Bodnar
034	10/28/81	025	Clarify wording of Copious Data parameter	J.C. Kelly
035	10/28/81		Clarify General Note parameters	J.C. Kelly
036			Add electrical design rules	David J. Ellis
037	12/10/81	029	Add B-spline entities	Richard D. Fuhr
038	12/12/81	056	Add Text Node & Connect Node associativities	P.R. Kennicott
039	12/11/81		Add a Surface Display property	Ralph Mayer
040		038	Add hierarchy to DE Status fields 7 & 8	Robert Ivey
041	12/14/81	028	Add to the capability of the Ruled Surface entity	Joseph Paciorek
042		017	Repair text	Kal Brauner
043		032	Add a column to the PD field tables	Kal Brauner
044		026	Correct letter/number confusion	Kal Brauner
045	12/21/81	212	Replace word "Column" when referencing character position	Kal Brauner
046		212	Clarify use of term "record"	Kal Brauner
047	12/21/81	033	Correct parameter index values in 4.3.5 and 4.3.5.2	Kal Brauner
048	12/21/81	059	Correct parameter indexing values in 3.8.6	Kal Brauner
049	12/21/81	034	Add description for DIRFLG=0 in 3.11.2	Kal Brauner
050	12/21/81	018	Move information on "free format" to section 2.1.4	Kal Brauner
051	12/21/81		Clarify content requirements of columns 73-80	Kal Brauner
052	12/21/81		Add Finite Element capability	Robert L. Ivey
053			Add Modulus of Elasticity property	Robert L. Ivey
054			Add Poisson Ratio Material property	Robert L. Ivey
055			Add Physical/Real Constants entity	Robert L. Ivey
056			Add Thermal Conductivity property	Robert L. Ivey
057			Add Moment of Inertia entity	Robert L. Ivey
058			Add Shear Modulus property	Robert L. Ivey
059	3/12/82	049	Add a binary representation of IGES data	Carole Avery

Continue on to RFC 60 - 119.

Index and HTML by C. Parks, 8/8/97

Converted for TS Website by M. E. Dal-Favero, 3/27/08