Re: [ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread Barry Drake
On Thu, 2011-01-27 at 12:41 +, Patrick Bulteel wrote:
> I agree - I have a LOT of pdfs and whenever I open that particular
> directory it takes a few seconds to display all the files - it's not
> regenerating thumbnails, it just seems to be ordering the files. I too
> had to disable the preview. It's a pity it can't be set on a "per
> directory" basis as it seems the preference is set on all directories.

I don't have enough pdf's for that to be a problem - but there's always
a hidden thumbnails subdirectory in every home directory.  And photos
are fast to load the saved thumbnails every time and that's the same
process.  The only slight annoyance is when I plug my camera in.  It
takes ages to create the thumbnails from the SD card images, but they
are essential to have.

Regards,Barry.
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Re: [ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread Patrick Bulteel
>
> 
>
> The thumbnails are only generated once AFAICT. Look in your ~/.thumbnail
> directory ;-)
>
> Al
>
>
>

I agree - I have a LOT of pdfs and whenever I open that particular directory
it takes a few seconds to display all the files - it's not regenerating
thumbnails, it just seems to be ordering the files. I too had to disable the
preview. It's a pity it can't be set on a "per directory" basis as it seems
the preference is set on all directories.

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Re: [ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread Rowan Berkeley
On Thu, 27 Jan 2011 11:38:39 +, "Alan Lord (News)"
 wrote:
> On 27/01/11 11:35, Paul Sladen wrote:
> >"Just takes a second" in the background is fine, as long as it does
> > not block your getting on with things.  If it is impeding your 
> > ability to click-ahead and get on with things, or pushing the 
> > computer's response time above the 100-millisecond time allowed by 
> > the GNOME HIG, then we should deal with that.
> 
> The thumbnails are only generated once AFAICT. Look in your
> ~/.thumbnail directory ;-)
> Al 

That's an interesting point. In my case, I assume, they were being
collected from the pdfs themselves every time I opened the folders
concerned. Is there supposed to be a cache for such things, analogous to
the browser cache for images from web pages? I don't seem to have a
directory called .thumbnail in my file system (I ran a search for it).
Rowan  


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Re: [ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread Rowan Berkeley
On Thu, 27 Jan 2011 09:22:18 +, Colin Law 
wrote:
> On 27 January 2011 09:01, Rowan Berkeley 
> wrote:
> > Hi,
> > I have over a thousand pdf files, and I have noticed that every time
> > I open one of the sub-folders containing them, the file manager 
> > starts whooshing around trying to collect tiny icon-sized copies of
> > the front pages of every pdf in the sub-folder and display them next
> > to the file details in the file list. There is a simple preferences
> > box which allows the usual modifications of what gets displayed in a
> > file list, but I can't see how to deactivate this particular 
> > feature. Does anyone know a way?
> 
> In Nautilus (the file manager) select Edit > Preferences then on the
> the Preview tab there is a Show thumbnails option which I think is
> what you want.
> Colin

Ha, that was it, I had missed it. Now I just get a column full of little
red adobe acrobat icons, which is not so nice to look at but removes the
delay -- which, in answer to the other replies, I emphasise is really
quite considerable when the folder contains hundreds of pdfs; it takes
maybe half a minute to find them all, and while it is collecting them,
the slider for the panel slithers up and down, making it difficult to
navigate to whatever file one wants. When opening a sub-folder located
on an external hard drive, the process of collecting the thumbnails is
slower still. I dare say there are other file formats which also seek to
generate thumbnails by default, but it so happens that in my case it is
pdfs.


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Re: [ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread Alan Lord (News)

On 27/01/11 11:35, Paul Sladen wrote:


"Just takes a second" in the background is fine, as long as it does
not block your getting on with things.  If it is impeding your ability
to click-ahead and get on with things, or pushing the computer's
response time above the 100-millisecond time allowed by the GNOME HIG,
then we should deal with that.


The thumbnails are only generated once AFAICT. Look in your ~/.thumbnail 
directory ;-)


Al

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Re: [ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread Paul Sladen
On Thu, 27 Jan 2011, Kris Douglas wrote:
> On 27 January 2011 11:11, Paul Sladen  wrote:
> I don't think there is much to fix, it is perfectly quick. It's just
> the process of generating an icon from a PDF takes a second. If there
> is a lot of them,

"Just takes a second" in the background is fine, as long as it does
not block your getting on with things.  If it is impeding your ability
to click-ahead and get on with things, or pushing the computer's
response time above the 100-millisecond time allowed by the GNOME HIG,
then we should deal with that.

-Paul


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Re: [ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread Kris Douglas
On 27 January 2011 11:11, Paul Sladen  wrote:
> On Thu, 27 Jan 2011, mac wrote:
>> On 27/01/11 09:01, Rowan Berkeley wrote:
>> > ...There is a simple preferences box which
>> You mean you only want to turn off thumbnails for pdfs,
>
> It would be good to get to the root cause here.  Is the desire for
> turning off the icon previews because rendering is slow or laggy?
> (In which case we should focus on fixing that).

I don't think there is much to fix, it is perfectly quick. It's just
the process of generating an icon from a PDF takes a second. If there
is a lot of them, then it's is most likely going to be more obvious. I
have the same thing with very large image files.

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Re: [ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread Paul Sladen
On Thu, 27 Jan 2011, mac wrote:
> On 27/01/11 09:01, Rowan Berkeley wrote:
> > ...There is a simple preferences box which
> You mean you only want to turn off thumbnails for pdfs,

It would be good to get to the root cause here.  Is the desire for
turning off the icon previews because rendering is slow or laggy?
(In which case we should focus on fixing that).

-Paul


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Re: [ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread mac

On 27/01/11 09:01, Rowan Berkeley wrote:

...There is a simple preferences box which allows
the usual modifications of what gets displayed in a file list, but I
can't see how to deactivate this particular feature. Does anyone know a
way?


You mean you only want to turn off thumbnails for pdfs, but not for 
other types of file?


mac

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Re: [ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread Colin Law
On 27 January 2011 09:01, Rowan Berkeley  wrote:
> Hi,
>
> I have over a thousand pdf files, and I have noticed that every time I
> open one of the sub-folders containing them, the file manager starts
> whooshing around trying to collect tiny icon-sized copies of the front
> pages of every pdf in the sub-folder and display them next to the file
> details in the file list. There is a simple preferences box which allows
> the usual modifications of what gets displayed in a file list, but I
> can't see how to deactivate this particular feature. Does anyone know a
> way?

In Nautilus (the file manager) select Edit > Preferences then on the
the Preview tab there is a Show thumbnails option which I think is
what you want.

Colin

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[ubuntu-uk] Icon-sized front pages of pdfs

2011-01-27 Thread Rowan Berkeley
Hi,

I have over a thousand pdf files, and I have noticed that every time I
open one of the sub-folders containing them, the file manager starts
whooshing around trying to collect tiny icon-sized copies of the front
pages of every pdf in the sub-folder and display them next to the file
details in the file list. There is a simple preferences box which allows
the usual modifications of what gets displayed in a file list, but I
can't see how to deactivate this particular feature. Does anyone know a
way?

best, R


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