On Friday 28 June 2002 11:01 am, David Kastrup wrote: > Angus Leeming <[EMAIL PROTECTED]> writes: > > Alternatively, perhaps we should think of setting off a single > > forked process that will result in multiple image files when loading > > the document. This is definitely possible in the case of the mathed > > preview I believe and is essentially what David was suggesting by > > using preview.sty. > > It's one of the mechanisms we use here. Starting off the previewing > process with preview-latex involves a single run of LaTeX, a single > run of Dvips generating a single PostScript file, and a single run of > GhostScript in which the images are rendered by GhostScript in > "display order", rendering the on-screen images (requests get > reordered dynamically if you page while rendering is under process) > with priority, the off-screen ones afterwards. > > The very first versions of preview-latex still used a single > LaTeX/Dvips run, where Dvips produced a host of single EPS files, and > those were handed to the display engine of Emacs, which then ran > GhostScript on every single of them on-demand. > > Performance was abysmal. Paging through the document became a pain, > because it caused a flurry of GhostScript processes to be created. > We never even made a single release from this state, it is just > prehistoric CVS. > > You are of course free to ignore the experiences we made while > developing preview-latex (I described this a few times already), and > free to ignore the LaTeX styles, PostScript code and other > infrastructure we developed to make this work smoothly. Since you > have quite more developers on your project, you can probably easily > afford a bit of reinvention of the wheel, and probably come up even > with a few interesting twists on that theme. > > It will certainly be interesting to see how this functionality will > progress. > > All the best,
Devid, there's no need to be so prickly. We aren't monsters and we do listen. This is a new feature to us and we're having to develop some infrastructure first, that's all. Angus
