Abstract
This study of the state-of-the-art in raster-to-vector conversion shows that the CGM is generally suitable as a storage and exchange mechanism for the vector entity files that result from the conversion process. However, the CGM would be much more valuable if additional features such as global segments (symbols), font metric information, and support for arrows, splines, and closed figures were available as CGM elements.
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References
“A Comparison of Standards Relating to Graphics Picture Exchange-A Technical Analysis of the Compatibility of Product Data Definition Standards and Graphics Standards,” Peter R. Bono Associates, NBS Contract No. 43NANB612434, 13 June 1986.
“Review and Analysis of CALS-related Requirements for Graphics Standards,” System Development Corporation Report TM-HU-500/000/00, NBS Contract No. 43NANB613292, 31 July 1986.
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Bibliography: Standards Documents
CCITT Terminal Equipment and Protocols for Telematic Services (the CCITT “Red Book”), Vol. VH — Fascicle VH.3.
-CCITT Recommendation T.4, Standardization of Group 3 Facsimile Apparatus for
Document Transmission, 1986.
-CCITT Recommendation T.5, General Aspects of Group 4 Facsimile Apparatus, 1986.
-CCITT Recommendation T.6, Facsimile Coding Scheme and Coding Control Functions for Group 4 Facsimile Apparatus, 1986.
Computer Graphics Metafile for the Storage and Transfer of Picture Description Information (CGM), ANSI/X3.122–1986, August 27, 1986.
Initial Graphics Exchange Specification (IGES), Version 3.0, National Bureau of Standards Report NBSIR 86–3359, April 1986.
These documents are available from a variety of sources:
The published ANSI standard CGM can be obtained from ANSI, 1430 Broadway, New York, NY 10018. The CCITT documents may also be obtained through ANSI.
The IGES document can be obtained from the IGES Committee Chairman, Mr. Bradford Smith, National Bureau of Standards, Gaithersburg, MD.
Relevant Articles
“Optigraphics-Drawing Digitizing Price/Performance Leader,” F-M Automation Newsletter, September 1985.
“Scanning Imager Offers Advantages Over Other CAD Input Methods”, Design Graphics World, January 1986.
Baker, “Scanning/Conversion Systems Interface to CAD/CAM for Archiving,” Computer Technology Review, Summer 1986.
Kogan and Stiefel, “Large-Format Document Conversion Enters Mainstream,” The S. Klein Computer Graphics Review, Fall 1986.
“Scanning an E-Size Drawing,” Graphics Arts Monthly, October 1986.
“Scanned Drawing Modification and Database Creation Made Practical,” A-E-C Automation Newsletter, October 1986.
Automatic Digitizers-A Special Report, The Anderson Report, December 1986.
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© 1988 EUROGRAPHICS The European Association for Computer Graphics
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Bono, P.R. (1988). Uses for CGM in Raster-to-Vector Conversion. In: Mumford, A., Skall, M. (eds) CGM in the Real World. EurographicSeminars. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-73629-2_10
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DOI: https://doi.org/10.1007/978-3-642-73629-2_10
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