On Jul 15, 2014, at 11:50 AM, Zhichao Ruan wrote: > I am working to rewrite an old libctl script by using c++ lib. I found that > the results are quite different between c++ and libctl. After comparing in > step-by-step, i think they might come from the different Yee grid. Please > check the codes below. The epsilon in the c++ version is 22*22*162 while it > is 21*21*161 in the libctl. I appreciate your suggestion.
The libctl interface does subpixel averaging for structures made of geometric objects. In the C++ interface, you are responsible for any averaging you might want to do; it doesn't do it for you. As a result, interfaces between two materials are likely to be discretized very differently in libctl vs. C++ (with the libctl version being more accurate). _______________________________________________ meep-discuss mailing list meep-discuss@ab-initio.mit.edu http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss
