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#1
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Memory card shows old thumbnail pics
My memory card frequently shows old thumbnail images yet when I open
them they are the new ones that have replaced the old ones. I tried refreshing the Windows Explorer folder to no avail. If I modify the picture in any way the thumbnail shows the most recent version OK. What can I do to get the thumbnails to always display the most recent picture short of modifying them? |
#2
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In article , some guy wrote:
My memory card frequently shows old thumbnail images yet when I open them they are the new ones that have replaced the old ones. I tried refreshing the Windows Explorer folder to no avail. If I modify the picture in any way the thumbnail shows the most recent version OK. What can I do to get the thumbnails to always display the most recent picture short of modifying them? Well ... which program are you using to view the photos? (I guess "Windows Explorer" based on one of your comments. But the thumbnails are a function of the program you are using, not the CF card itself. (Though the CF card *might* get the thumbnails written onto it by the program. However, I would guess that it uses a local disk directory of the thumbnails, instead of one in the CF card, since what I think you said is that the images whose thumbnails are showing up have *never* been on that CF card. I don't use Windows for anything that I can do with other systems, but I will describe what unix "xv" does about thumbnails. When you enter the directory with the images, and hit the "Update" button at the bottom of the window, it scans the current images, and puts thumbnails in a subdirectory called ".xview". (Any file or directory whose name starts with a '.' will not show up in a directory listing, unless you add the "-a" (all) option, or unless you are running "ls" as root, the superuser.) Whenever you use xv itself to move images elsewhere, it deletes the local thumbnail and creates one in the ".xview" directory of where you are moving it. However -- if you delete or move the images with another program (e.g. command line operation), that other program knows nothing about the ".xview" directory, so the thumbnails remain there. But -- next time you fire up xv, it compares the thumbnails to the images currently in the directory, and those which do not have thumbnails get shown simply as a rectangle with "JPG" or "GIF" or whatever in it until you refresh the thumbnails. So -- it never shows stale thumbnails. However, my camera assigns sequential numbers to the filenames, so there is no chance of duplication anyway -- at least until I reset the counter at the beginning of the year. (But a previous camera kept reusing the filenames, and that did not create problems.) So -- I would suggest that you either have to find the file or directory which stores the thumbnails and delete it (it may be a hidden file or directory, just as the ".xview" directory that xv creates is hidden from the default directory listing format). Obviously, if the thumbnails were getting stored on the CF card itself, the solution would be to not just delete images from the card, but to reformat it before taking new shots. Good Luck, DoN. -- Email: | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
#3
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In article , some guy wrote:
My memory card frequently shows old thumbnail images yet when I open them they are the new ones that have replaced the old ones. I tried refreshing the Windows Explorer folder to no avail. If I modify the picture in any way the thumbnail shows the most recent version OK. What can I do to get the thumbnails to always display the most recent picture short of modifying them? I suspect you're viewing the images directly on the memory card, rather than copying them to a filder on your hard drive. This means that Windows Explorer is writing a hidden file (called Thumbs.db, I believe) for the thumbnails directly onto your memory card. You're also, presumably, using the setting on your camera that re-starts image numbering every time you change cards, rather than continuing from where you left off. This means that your camera is writing a file with the same name as one of your earlier files, but with new contents. But it doesn't know anything about the thumbnail database, so it just leaves the old thumbnail there. If you just delete the Thumbs.db file it will be re-created correctly from the most recent images. |
#4
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My memory card frequently shows old thumbnail images yet when I open
them they are the new ones that have replaced the old ones. I tried refreshing the Windows Explorer folder to no avail. If I modify the picture in any way the thumbnail shows the most recent version OK. What can I do to get the thumbnails to always display the most recent picture short of modifying them? I suspect you're viewing the images directly on the memory card, rather than copying them to a folder on your hard drive. Yes. Using a Dazzle USB card reader. This means that Windows Explorer is writing a hidden file (called Thumbs.db, I believe) for the thumbnails directly onto your memory card. Yes. You're also, presumably, using the setting on your camera that re-starts image numbering every time you change cards, rather than continuing from where you left off. Yes. This means that your camera is writing a file with the same name as one of your earlier files, but with new contents. But it doesn't know anything about the thumbnail database, so it just leaves the old thumbnail there. If you just delete the Thumbs.db file it will be re-created correctly from the most recent images. Sounds logical. I'll try it. Thanks. |
#5
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Or just switch of the creation of the Thumbs.db file in die Folder's
Tools/Options menu... |
#6
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Or just switch of the creation of the Thumbs.db file in die Folder's
Tools/Options menu... Couldn't find it. Using Win 2000 Pro. Is it under File Types? Nothing in there for .db files that I could see. |
#7
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Sorry... I'm thinking of Win XP... It allows you to not create the
Thumbs.db file in the Tools/Folder Options menu item under the View tab. One of those advanced settings. Not sure why 2000 would do it. |
#8
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Sorry... I'm thinking of Win XP... It allows you to not create the
Thumbs.db file in the Tools/Folder Options menu item under the View tab. One of those advanced settings. Not sure why 2000 would do it. Well I just deleted the Thumbs.db file and poof - all the pics are the latest. Thanks. Works perfect. |
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