[Digikam-users] Time & Date (Original) seconds value

[Mick Sulley]

Ah yes I see.  I was trying to do it with Image > Metadata > Edit All 
Metadata

Is there any reason why there is a separate option for time/date?

Thanks
Mick

On 27/02/13 17:50, Den wrote:
> Hey Mick,
>
> when using "Image --> Adjust date & time" you can edit the timestamp 
> including the seconds. Make sure the appropriate boxes (e.g. "Exif: 
> original") are checked and it should just work. Which way did you do 
> your editing, where do you run into this problem?
>
> Den
>
>
> Am 27.02.2013 10:12, schrieb Mick Sulley:
>> Thanks Jean-François,  I think you are right that adding a sequence 
>> number is the better solution.  However I still don't understand why 
>> seconds are not available for edit.
>>
>> Thanks
>> Mick
>>
>> On 27/02/13 08:05, Jean-François Rabasse wrote:
>>>
>>> Hi Mick,
>>>
>>>
>>> On Tue, 26 Feb 2013, Mick Sulley wrote:
>>>
>>>> The EXIF data displayed on the right hand panel shows Date and Time 
>>>> (original) as date plus time in hours, minutes and seconds.  When I 
>>>> try to edit EXIF data I can change the date and the hours and 
>>>> minutes, but there does not seem to be any way to change the seconds.
>>>>
>>>> Is there a way to edit the seconds?
>>>>
>>>> The reason for this is that I use date and time to rename pictures, 
>>>> and I have some that were shot with APS film, then processed to CD, 
>>>> and all pictures have 00 as the seconds, so I am getting duplicate 
>>>> file names where multiple pictures were taken within the same 
>>>> minute, so I want to edit the seconds on these files.
>>>>
>>>> Also there is a tick box and field for Original sub-second, what 
>>>> does this mean?  I cannot find it in the manual.
>>>
>>> Sub-seconds is an Exif tag that has been added to allow a more accurate
>>> time definition that the second.
>>> The reason was that standard Exif DateTimeOriginal (tag 0X9003) is a 
>>> text field limited to 20 characters including a trailing zero.
>>> So you can store 'YYYY-MM-DD HH:MN:SS', 19 characters, nothing more.
>>> The subseconds adds a decimal part to seconds, SS.nnn
>>>
>>> But as far as I known, very few software handle that and in most cases,
>>> one needs to process such kinds of renaming 'by hand', with command 
>>> line
>>> tools.
>>>
>>> Anyway, renaming based on datetime stamp only may not be always a good
>>> strategy. If you edit seconds, you'll solve your immediate problem, 
>>> yes,
>>> but there are several cases where renaming - even with valid seconds -
>>> will produce duplicates. E.g.
>>> - images shot with the camera in burst mode. Most cameras can record 3
>>> or 4 images per second.
>>> - images collected from several cameras and users. (Typical case is 
>>> some
>>> social event as a wedding. When the bride and bridegroom say Yes, it 
>>> last 10 seconds and when you are the one in charge of the photos 
>>> albums, you often collect 150 images from all the guests, for that 
>>> 10 seconds:-)
>>>
>>> Why not considering adding a sequence number after your date ?
>>>
>>> Regards,
>>> Jean-François
>>>
>>>
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>>
>>
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