CGM rendering comparison

• NIST &mdash CGM conformance test from National Institute of Standards and Technology, an agency of US Department of Commerce
• libCGM &mdash Neuralog CGM library
• Larson &mdash Vizex CGM viewer
• Oracle &mdash AutoVue CGM viewer
• SDI &mdash SDI Office

NIST	libCGM	Larson	Oracle	SDI
nasa.cgm This is not a NIST file. Shown here because this is a classic CGM file and it is easy to see color errors.
apntxt02.cgm		"text font" is italic 2nd line: misaligned baseline	misaligned baseline text height	Wrong fonts Rendering errors on screen
rottxt02.cgm		Texts (both slanted) are shifted out of the restricting box
fntlst05.cgm				But fails on other fonts tests
collvl01.cgm
colrmd02.cgm
specmd03.cgm	The x-marker line-width difference is Ok by ISO
specmd04.cgm
specmd05.cgm
polyln04.cgm	LINECAP difference - Ok by ISO	Extraneous lines shown intermittently - dependant on window size. See also polyln04-lar2