Dear Bernhard, I did some google searching and found http://www.realtimerendering.com/int/ which gives references to various texts for all kinds of intersections.
Frances Bernstein ===================================================== **** Bernstein + Sons * * Information Systems Consultants **** 5 Brewster Lane, Bellport, NY 11713-2803 * * *** **** * Frances C. Bernstein * *** [EMAIL PROTECTED] *** * * *** 1-631-286-1339 FAX: 1-631-286-1999 ===================================================== On Wed, 19 Mar 2008, Bernhard Rupp wrote:
Dear All - if memory serves me right, the intersection curve of a cone with a cylinder (like in a powder diffraction camera) is not an ellipse, but a "Schnittfigur zweiter Ordnung", loosly translated as 'intersection curve of second order'. Is there a correct English term for that type of curve? Thx, br ----------------------------------------------------------------- Bernhard Rupp 001 (925) 209-7429 +43 (676) 571-0536 [EMAIL PROTECTED] [EMAIL PROTECTED] http://www.ruppweb.org/ ----------------------------------------------------------------- The hard part about playing chicken is to know when to flinch -----------------------------------------------------------------