I use latex+dvi+ps+pdf+pdfviewer routine in Texstudio and Winedt. But it seems quite difficult to set such a routine in emacs+auctex.
I saw some tips to configure latex+dvi+ps+pdf. But after the pdf file is generated by ps2pdf, I can not find a simple way to open the pdf file.
The only way I know is to switch to PDF mode and use VIEW to open the pdf file. It is not very convenient, because I can bundle all these commands to a key in texstudio. So that is the issue I am struggling with in auctex now.

Do you have any idea how to define or add a function to open a pdf file under latex mode without switching to TeX-PDF-mode?

Thanks,
Wayne