Richard Heck wrote: > On 09/11/2009 10:31 AM, Manveru wrote: >> 2009/9/11 Evan Mason<evanma...@gmail.com> >> >>> I have 4 Gb. I've not noticed lyx using a lot of memory, except when it >>> crashes. >>> >>> >> Does your PNG images contains a lot of white background and only some >> lines? >> I would be better to give us maximum resolution in pixels of these images >> and the number of colours used to store that files. PNG files can be >> compressed by lossless algorithm, so files could be small for large areas >> of >> single colour, but large uncompressed for displaying. The other >> possibility >> is that one of your images has failed internal structure and QT (as far as >> I >> remeber, bitmaps are handled by QT routines in LyX) become stupid trying >> to >> display such image. >> >> > That is very much the kind of problem we'd seen before. (Pavel was the > first to notice it, I think.) The caching mechanism is such that it more or > less stores bitmaps of all those images, and the bitmaps can indeed be real > big, even if the file size is quite small. > > So it seems pretty likely that 1.6.4 suffers from some version of this bug.
it didn't get fixed and the machinery is such that there is no easy fix. even if you use scaled version of the picture, lyx stores the original one. only disabling graphics preview or putting such material into childs can help. pavel
