Constantly have to refresh thumbnails manually


T

Terry Pinnell

I'm sure that this hasn't always been the case. But for the past few weeks
I find that thumbnails of my photos (mainly JPGs plus some PNG and BMP) do
not get automatically refreshed. After moving or editing an image I have
to right click and use Refresh Thumbnail.

Any ideas on how to fix this please?
 
T

Tim Meddick

Either from within Windows Explorer :- choose "Tools" }} "Folder Options"
or go to the Window's "Control Panel" and choose "Folder Options" -

Then select the "View" tab from across the top and make sure that the
option to :

"Do not cache thumbnails"

....has got a checkmark [tick] in the adjacent box (i.e.: causing Explorer
NOT to cache the thumbnails in "thumbnail view".

This should force Explorer to refresh immediately after *any* changes are
made without any need to go to the menus and select "Refresh".


BTW - If at any time you DO need to use the "Refresh" option - all you need
do is press the [F5] function key (in virtually *all* programs that have a
"Refresh" option [F5] works).

==

Cheers, Tim Meddick, Peckham, London. :)
 
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T

Terry Pinnell

Tim Meddick said:
Either from within Windows Explorer :- choose "Tools" }} "Folder Options"
or go to the Window's "Control Panel" and choose "Folder Options" -

Then select the "View" tab from across the top and make sure that the
option to :

"Do not cache thumbnails"

...has got a checkmark [tick] in the adjacent box (i.e.: causing Explorer
NOT to cache the thumbnails in "thumbnail view".

This should force Explorer to refresh immediately after *any* changes are
made without any need to go to the menus and select "Refresh".


BTW - If at any time you DO need to use the "Refresh" option - all you need
do is press the [F5] function key (in virtually *all* programs that have a
"Refresh" option [F5] works).

==

Cheers, Tim Meddick, Peckham, London. :)




Terry Pinnell said:
I'm sure that this hasn't always been the case. But for the past few
weeks
I find that thumbnails of my photos (mainly JPGs plus some PNG and BMP)
do
not get automatically refreshed. After moving or editing an image I have
to right click and use Refresh Thumbnail.

Any ideas on how to fix this please?
Thanks, but ringing the changes on that (rather poorly worded setting IMO)
was about the first thing I tried, and it makes no difference either way.
Once I've manually refreshed them, if I close that folder and re-open it,
or edit one or more of the images, or change their names, etc, they return
to a previoius thumbnail.

Here's an example:
https://dl.dropbox.com/u/4019461/ThumbnailProblem-1.jpg

After closing and re-opening that folder (or going up the tree and back)
this is what I see:
https://dl.dropbox.com/u/4019461/ThumbnailProblem-2.jpg
(Note that ALL the JPGs should have the 'feathered' look just like 82.jpg
in the first screenshot.)

HOWEVER, here's some interesting new information. This problem seems
confined to JPGs. If I make BMP, PNG or GIF versions of those same images,
they DO retain their correct thumbnails!
https://dl.dropbox.com/u/4019461/ThumbnailProblem-3.jpg

(And BTW that's true whether 'Do not cache..' is checkmarked or not.
Leaves mo wondering just what if anything that setting is supposed to do?)

Any idea why that should happen please?

F5 does not refresh thumbnails in an XP Explorer window, it just re-sorts
the files. To refresh thumbnails you have to select them, right click, and
then choose 'Refresh thumbnails'. Which I'm having to do tediously over
and over again ;-(
 
G

glee

Terry Pinnell said:
Tim Meddick said:
Either from within Windows Explorer :- choose "Tools" }} "Folder
Options"
or go to the Window's "Control Panel" and choose "Folder Options" -

Then select the "View" tab from across the top and make sure that the
option to :

"Do not cache thumbnails"

...has got a checkmark [tick] in the adjacent box (i.e.: causing
Explorer
NOT to cache the thumbnails in "thumbnail view".

This should force Explorer to refresh immediately after *any* changes
are
made without any need to go to the menus and select "Refresh".


BTW - If at any time you DO need to use the "Refresh" option - all you
need
do is press the [F5] function key (in virtually *all* programs that
have a
"Refresh" option [F5] works).





Terry Pinnell said:
I'm sure that this hasn't always been the case. But for the past few
weeks
I find that thumbnails of my photos (mainly JPGs plus some PNG and
BMP)
do
not get automatically refreshed. After moving or editing an image I
have
to right click and use Refresh Thumbnail.

Any ideas on how to fix this please?
Thanks, but ringing the changes on that (rather poorly worded setting
IMO)
was about the first thing I tried, and it makes no difference either
way.
Once I've manually refreshed them, if I close that folder and re-open
it,
or edit one or more of the images, or change their names, etc, they
return
to a previoius thumbnail.

Here's an example:
https://dl.dropbox.com/u/4019461/ThumbnailProblem-1.jpg

After closing and re-opening that folder (or going up the tree and
back)
this is what I see:
https://dl.dropbox.com/u/4019461/ThumbnailProblem-2.jpg
(Note that ALL the JPGs should have the 'feathered' look just like
82.jpg
in the first screenshot.)

HOWEVER, here's some interesting new information. This problem seems
confined to JPGs. If I make BMP, PNG or GIF versions of those same
images,
they DO retain their correct thumbnails!
https://dl.dropbox.com/u/4019461/ThumbnailProblem-3.jpg

(And BTW that's true whether 'Do not cache..' is checkmarked or not.
Leaves mo wondering just what if anything that setting is supposed to
do?)

Any idea why that should happen please?

F5 does not refresh thumbnails in an XP Explorer window, it just
re-sorts
the files. To refresh thumbnails you have to select them, right click,
and
then choose 'Refresh thumbnails'. Which I'm having to do tediously
over
and over again ;-(

In addition to changing the thumbnail-caching setting, you must delete
the hidden thumbs.db file in the folder also.... otherwise the
already-cached thumbnails will still be present.
 
T

Terry Pinnell

glee said:
Terry Pinnell said:
Tim Meddick said:
Either from within Windows Explorer :- choose "Tools" }} "Folder
Options"
or go to the Window's "Control Panel" and choose "Folder Options" -

Then select the "View" tab from across the top and make sure that the
option to :

"Do not cache thumbnails"

...has got a checkmark [tick] in the adjacent box (i.e.: causing
Explorer
NOT to cache the thumbnails in "thumbnail view".

This should force Explorer to refresh immediately after *any* changes
are
made without any need to go to the menus and select "Refresh".


BTW - If at any time you DO need to use the "Refresh" option - all you
need
do is press the [F5] function key (in virtually *all* programs that
have a
"Refresh" option [F5] works).





I'm sure that this hasn't always been the case. But for the past few
weeks
I find that thumbnails of my photos (mainly JPGs plus some PNG and
BMP)
do
not get automatically refreshed. After moving or editing an image I
have
to right click and use Refresh Thumbnail.

Any ideas on how to fix this please?
Thanks, but ringing the changes on that (rather poorly worded setting
IMO)
was about the first thing I tried, and it makes no difference either
way.
Once I've manually refreshed them, if I close that folder and re-open
it,
or edit one or more of the images, or change their names, etc, they
return
to a previoius thumbnail.

Here's an example:
https://dl.dropbox.com/u/4019461/ThumbnailProblem-1.jpg

After closing and re-opening that folder (or going up the tree and
back)
this is what I see:
https://dl.dropbox.com/u/4019461/ThumbnailProblem-2.jpg
(Note that ALL the JPGs should have the 'feathered' look just like
82.jpg
in the first screenshot.)

HOWEVER, here's some interesting new information. This problem seems
confined to JPGs. If I make BMP, PNG or GIF versions of those same
images,
they DO retain their correct thumbnails!
https://dl.dropbox.com/u/4019461/ThumbnailProblem-3.jpg

(And BTW that's true whether 'Do not cache..' is checkmarked or not.
Leaves mo wondering just what if anything that setting is supposed to
do?)

Any idea why that should happen please?

F5 does not refresh thumbnails in an XP Explorer window, it just
re-sorts
the files. To refresh thumbnails you have to select them, right click,
and
then choose 'Refresh thumbnails'. Which I'm having to do tediously
over
and over again ;-(

In addition to changing the thumbnail-caching setting, you must delete
the hidden thumbs.db file in the folder also.... otherwise the
already-cached thumbnails will still be present.
Thanks, but that makes no difference.

From feedback elsewhere I'm now fairly sure that FastStone Viewer modifies
the main image JPEG stream but leaves the embedded thumbnail as it is.

More tests reveal the strange fact that only JPGs which have been 'frame
masked' in FastStone Viewer' exhibit this behaviour. If I take an original
JPG photo, open it in say IrfanView and crop it to a new rectangle, the
changed thumbnail of that is immediately displayed correctly. And if I
open a JPG in PaintShop Pro and crop it to an irregular freehand shape and
save that as a JPG then that too gets and keeps its correct thumbnail.

So everything points to FS Viewer as the cause, involving the way the
thumbnail data is stored (a topic I know little about).
 
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G

glee

Terry Pinnell said:
glee said:
Terry Pinnell said:
Either from within Windows Explorer :- choose "Tools" }} "Folder
Options"
or go to the Window's "Control Panel" and choose "Folder Options" -

Then select the "View" tab from across the top and make sure that
the
option to :

"Do not cache thumbnails"

...has got a checkmark [tick] in the adjacent box (i.e.: causing
Explorer
NOT to cache the thumbnails in "thumbnail view".

This should force Explorer to refresh immediately after *any*
changes
are
made without any need to go to the menus and select "Refresh".


BTW - If at any time you DO need to use the "Refresh" option - all
you
need
do is press the [F5] function key (in virtually *all* programs that
have a
"Refresh" option [F5] works).





I'm sure that this hasn't always been the case. But for the past
few
weeks
I find that thumbnails of my photos (mainly JPGs plus some PNG and
BMP)
do
not get automatically refreshed. After moving or editing an image
I
have
to right click and use Refresh Thumbnail.

Any ideas on how to fix this please?


Thanks, but ringing the changes on that (rather poorly worded
setting
IMO)
was about the first thing I tried, and it makes no difference either
way.
Once I've manually refreshed them, if I close that folder and
re-open
it,
or edit one or more of the images, or change their names, etc, they
return
to a previoius thumbnail.

Here's an example:
https://dl.dropbox.com/u/4019461/ThumbnailProblem-1.jpg

After closing and re-opening that folder (or going up the tree and
back)
this is what I see:
https://dl.dropbox.com/u/4019461/ThumbnailProblem-2.jpg
(Note that ALL the JPGs should have the 'feathered' look just like
82.jpg
in the first screenshot.)

HOWEVER, here's some interesting new information. This problem seems
confined to JPGs. If I make BMP, PNG or GIF versions of those same
images,
they DO retain their correct thumbnails!
https://dl.dropbox.com/u/4019461/ThumbnailProblem-3.jpg

(And BTW that's true whether 'Do not cache..' is checkmarked or not.
Leaves mo wondering just what if anything that setting is supposed
to
do?)

Any idea why that should happen please?

F5 does not refresh thumbnails in an XP Explorer window, it just
re-sorts
the files. To refresh thumbnails you have to select them, right
click,
and
then choose 'Refresh thumbnails'. Which I'm having to do tediously
over
and over again ;-(

In addition to changing the thumbnail-caching setting, you must delete
the hidden thumbs.db file in the folder also.... otherwise the
already-cached thumbnails will still be present.
Thanks, but that makes no difference.

From feedback elsewhere I'm now fairly sure that FastStone Viewer
modifies
the main image JPEG stream but leaves the embedded thumbnail as it is.

More tests reveal the strange fact that only JPGs which have been
'frame
masked' in FastStone Viewer' exhibit this behaviour. If I take an
original
JPG photo, open it in say IrfanView and crop it to a new rectangle,
the
changed thumbnail of that is immediately displayed correctly. And if I
open a JPG in PaintShop Pro and crop it to an irregular freehand shape
and
save that as a JPG then that too gets and keeps its correct thumbnail.

So everything points to FS Viewer as the cause, involving the way the
thumbnail data is stored (a topic I know little about).
Yes, in light of that info, it sounds like an issue with the 3rd party
viewer you're using. Imagine that.... a problem that is not Windows'
fault! ;-)
 

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