Mark
On 6 Dec 2005, at 12:55, Mark Benson wrote:
On Tuesday, December 06, 2005, at 09:42AM, Andrew Rodger
<[EMAIL PROTECTED]> wrote:
Is it just me or is Picasa a shameless rip off of iPhoto?
Ive never needed to look any further than iPhoto for photo management
so I wouldn't know ;)
Sure but it seems to me that Picasa is a total crib of iPhoto, rendered
in that low budget Windish way (what a mac snob eh) and Google seem to
only plan to make it for PC, for rather obvious reasons. It looks like
a good thing for the non technical.
I am trying hard to understand (for discussion purposes) how Picasa
manages files, as it is not clear from the support information. They
claim that editing is non destructive and the original is maintained
as
was. The assumption is that it creates a clone which is edited and
takes on the original's identity. However, it also says that to 'fix"
the changes you need to export to a new file. Is it possible that
Picasa keeps a database of all editing instructions for a photo and
applies them each time the file is opened? In which case, how does
this
compare to iPhoto? Any thoughts chaps?
iPhoto duplicates the file both on the disk and in the photo library
(at least 5.x does). If Picasa uses a method of re-applying effects
every time the photo is loaded a library of 100 photos all edited
would take forever and a day to load on anything other than a decent
G5, especially if you are taking 6MP or larger photos. I doubt
therefore it works like that, unless the programmer was smoking
something dodgy at the time he wrote it!
As far as I can tell, the editing you apply to images in picasa is
stored like a stream of instructions, like a roadmap from the original
to the state you like to see the picture in and this information is
linked to the original, such that when you open it again in Picasa it
quickly applies all the edits again. This maintains the integrity of
the original but if you want to use the image outwith the Picasa
environment you must export it, which is, effectively, what you are
doing if you send the image in an eMail or to a CD etc. Thus some
immunity from JPEG degradation but only in the Picasa environment.
Swings and roundabouts maybe.
Drew
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Mark Benson
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