Thanks for the real-life experience advice. Cool! :-)~MIKE~(-: On Fri, Dec 7, 2012 at 1:09 PM, Brian Cluff wrote: > This isn't going to solve your problem, but I just wanted to point out > that you will want to turn the preview threshold way back down. > > The reason being is that your can cause your computer to become > unresponsive or at least very slow from the preview function. > > I discovered this because of a talk that I was giving on Inkscape. I > wanted to show a difference in file size, in an extreme way between a > raster file format (PNG in this case) and Inkscape's native SVG format. I > did this my making a rectangle 20,000 by 20,000 rectangle in inkscape and > then saved it as an SVG. The SVG file was maybe 1k. I then exported a PNG > version that ended up being just over 4MB, much smaller than I thought it > would be, but being all one color it was a perfect case for PNGs > compression to shine. > > Then the problems started. Just after creating my examples, my computer > started to freeze when I entered the directory that I was using for my > presentation with Dolphin, KDE's file manager. I didn't know what was > going on, because it was repeatable and I hadn't done any upgrades. > > What ended up being the problem was the 4MB file was below the system > threshold for creating a thumbnail and so it was trying to decompress the > image in order to create a thumbnail. The problem was it needed over 16GB > of RAM in order to do that. And that amount exceeded the amount of RAM and > swap combined on my system, not that I was willing to sit around and wait > for it to finish, if it had. > > I ended up deleting that land mine of a file and just simply mentioned > what I had discovered instead of coming up with hard numbers. The SVG > version of the file would preview instantly... so go SVG! > > Everyday files aren't going to need 16GB+ of RAM in order to create > previews, but with today's high MP cameras, it's not unlikely to come > across images that will need a gig or two. That can greatly slow down > everything just to get a thumbnail in a file manager. I would siggest > cranking it down to the point that most things show up, but the big images > are left out. Then just use a dedicated image viewer that most likely does > a MUCH better job at caching thumbnails so you only have to generate them > once. > > Brian Cluff > > > On 12/07/2012 09:45 AM, Michael Havens wrote: > >> I opened up my sd card and caja doesn't preview some of the pictures. so >> I checked th files' size and they were less than 10MBs but the file size >> to preview was set to 10MB. I increased it to 1G anyways, refreshed the >> page, and bam! the files previewed. I thought that was great. Then I >> transferred the files from the card to the computer and once the files >> had been transferred they wouldn't preview. I again checked the preview >> file size to ensure it hadn't changed but it was still set to 1G. I then >> decreased and then increased the preview file size but that didn't help >> any. So what's wrong? >> >> I found this but wasn't sure it still applied seeing as how I got them >> to preview before transferring them and this is for the previous version >> of Mint; Mint12. >> Currently I run mint13 on a 32 bit comaq cq57. I was also thinking it >> didn;t apply because the new filemanager is caja and not nautilus. >> >> what found: >> >> Modern cameras can store raw images which are a must for a serious >> photographer. Unfortunately raw image previews are not shown by >> Gnome's file manager Nautilus. >> >> However, there is already a workaround type of solution for this. I >> will describe it in four steps. >> >> >> Step 1: >> Install gnome-raw-thumbnailer package. >> >> >> Step 2: >> Create a file /usr/share/thumbnailers/raw.**thumbnailer >> >> Step 3: >> Put in these lines: >> >> Exec=/usr/bin/gnome-raw-**thumbnailer -s %s %u %o >> MimeType=image/x-3fr;image/x-**adobe-dng;image/x-arw;image/x-** >> bay;image/x-canon-cr2;image/x-**canon-crw;image/x-cap;image/x-** >> cr2;image/x-crw;image/x-dcr;**image/x-dcraw;image/x-dcs;** >> image/x-dng;image/x-drf;image/**x-eip;image/x-erf;image/x-fff;** >> image/x-fuji-raf;image/x-iiq;**image/x-k25;image/x-kdc;image/** >> x-mef;image/x-minolta-mrw;**image/x-mos;image/x-mrw;image/** >> x-nef;image/x-nikon-nef;image/**x-nrw;image/x-olympus-orf;** >> image/x-orf;image/x-panasonic-**raw;image/x-pef;image/x-** >> pentax-pef;image/x-ptx;image/**x-pxn;image/x-r3d;image/x-raf;** >> image/x-raw;image/x-rw2;image/**x-rwl;image/x-rwz;image/x-** >> sigma-x3f;image/x-sony-arw;**image/x-sony-sr2;image/x-sony-** >> srf;image/x-sr2;image/x-srf;**image/x-x3f; >> >> (Steps 1, 2 and 3:) >> http://ubuntuguide.net/raw-**cr2-image-pr... -thumbnail >> > nautilus-using-gnome-raw-**thumbnail >> > >> >> >> Step 4: >> Nautilus/Settings/Preview >> Set Max Size to something more suitable than it is now by default. >> For example, there are options for 1, 5, 10 and 100Mb. My camera's >> raw images are 15 Mb so I have to choose 100Mb. >> >> This worked with 64-bit Mint 12. >> >> :-)~MIKE~(-: >> >> >> >> ------------------------------**--------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.**org >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/**mailman/listinfo/plug-discuss >> >> > ------------------------------**--------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.**org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/**mailman/listinfo/plug-discuss >