[brlcad-commits] SF.net SVN: brlcad:[37126] brlcad/trunk/src/libged/tire.c
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From: <sta...@us...> - 2010-01-04 23:23:44
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Revision: 37126 http://brlcad.svn.sourceforge.net/brlcad/?rev=37126&view=rev Author: starseeker Date: 2010-01-04 23:23:33 +0000 (Mon, 04 Jan 2010) Log Message: ----------- Add note to tire eto parameter generation routines. Modified Paths: -------------- brlcad/trunk/src/libged/tire.c Modified: brlcad/trunk/src/libged/tire.c =================================================================== --- brlcad/trunk/src/libged/tire.c 2010-01-04 21:47:43 UTC (rev 37125) +++ brlcad/trunk/src/libged/tire.c 2010-01-04 23:23:33 UTC (rev 37126) @@ -418,6 +418,16 @@ * Coefficients to BRL-CAD eto input * * Parameters * * * + * Note: The general procedure here is to rotate and translate * + * the general conic equation into a form where the various * + * geometric parameters may be more easily obtained. The solution * + * below is probably neither unique nor optimal, but appears to * + * function in most "common" tire cases. To explore the problem * + * start by looking into methods of graphing the General Conic. * + * In particular, either here or even earlier in the process a * + * type check should be done to ensure an elliptical geometry has * + * been found, rather than parabolic or hyperboloic. * + * * **********************************************************************/ static void CalcInputVals(fastf_t *inarray, fastf_t *outarray) This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site. |