Hello Mehdi, thanks for your suggestion. I was sure that my version was 1.6.8, but this was in reality the version of Guile (obtained in the meep interactive mode by the "(version)" command).
So at the end a too old version installed was the problem indeed. Now I managed to install a version older than 1.0 and after the first tries it seems working ok. Iztok > Hello Iztok > > Which version of meep do you use ? > these variables for an anisotropic material has been added to meep from > its > 1.0 version. please read this link : > http://ab-initio.mit.edu/wiki/index.php/Meep_release_notes > > sincerely yours > > Mehdi > > On Thu, Dec 16, 2010 at 8:30 PM, > <[email protected]>wrote: > >> Send meep-discuss mailing list submissions to >> [email protected] >> >> To subscribe or unsubscribe via the World Wide Web, visit >> http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss >> or, via email, send a message with subject or body 'help' to >> [email protected] >> >> You can reach the person managing the list at >> [email protected] >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of meep-discuss digest..." >> >> >> Today's Topics: >> >> 1. epsilon-diag: unbound variable error (Iztok Bajc) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Wed, 15 Dec 2010 19:44:03 +0100 (CET) >> From: "Iztok Bajc" <[email protected]> >> Subject: [Meep-discuss] epsilon-diag: unbound variable error >> To: [email protected] >> Message-ID: >> <[email protected]> >> Content-Type: text/plain;charset=utf-8 >> >> Dear Prof. Johnson and all, >> >> I've changed the code of the tutorial example ring.ctl in order to have >> a >> resonator made of anisotropic material, but I always get: >> >> ERROR: Unbound variable: epsilon-diag >> >> I really don't know what is wrong. My meep version is "1.6.8", so it >> should be definitely new enough to support this utility. >> I checked the manual and mailing list and found some related mails, but >> nothing that could clear up (I hope I didn't make a trivial mistake). >> >> Thanks in advance for any help or suggestion. >> >> Best regards, >> Iztok Bajc >> >> >> ; Calculating 2d ring-resonator modes, from the Meep tutorial - adapted. >> (define-param w 1) ; width of waveguide >> (define-param r 1) ; inner radius of ring >> (define-param pad 4) ; padding between waveguide and edge of PML >> (define-param dpml 2) ; thickness of PML >> (define sxy (* 2 (+ r w pad dpml))) ; cell size >> (set! geometry-lattice (make lattice (size sxy sxy 10))) >> >> ; Create a ring waveguide by two overlapping cylinders - later objects >> ; take precedence over earlier objects, so we put the outer cylinder >> first. ; and the inner (air) cylinder second. >> (set! geometry >> (make cylinder >> (center 0 0 0) >> (height 20) >> (radius (+ r w)) >> (material (make dielectric (epsilon-diag 0.5 0.4 0.5) >> (epsilon-offdiag 0.3 0.5 0.6) ) ) >> ) >> ) >> >> (exit) >> >> >> >> >> >> ------------------------------ >> >> _______________________________________________ >> meep-discuss mailing list >> [email protected] >> http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss >> >> End of meep-discuss Digest, Vol 58, Issue 14 >> ******************************************** >> > _______________________________________________ > meep-discuss mailing list > [email protected] > http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss _______________________________________________ meep-discuss mailing list [email protected] http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss
