hey All,

without going into details, Peppe is right that there are scenarios where file 
time stamps may be altered reset. taking that into account there is no harm to 
have _both_ cration and last mod.time written to the project file.

Peppe, would you mind renaming PROJ_METADATA to comment or details, hwich would 
be more fitting?

..ede

On 11.05.2017 09:31, Giuseppe Aruta wrote:
> (Last) modification date of a projct could be different from the date of 
> creation of the file. This is a schenario : a project file is created on date 
> 1. It has stored into a back-up. Then later (date 2 ) restored and moved  to 
> another device ( together with all associated files):
> The date of creation of the project file would be reset to date 2, while the 
> tag  "last modification " into the .jmp file testify that the project was 
> (last) modified  on date 1.
> This option could help to trace back the history of projects, especially if 
> those move back and forth from an user to another.
> Peppe
> 
> 
> Il 10/Mag/2017 23:11, "Michaël Michaud" <m.michael.mich...@orange.fr 
> <mailto:m.michael.mich...@orange.fr>> ha scritto:
> 
>     Hi,
> 
>     As Jukka says, it is difficult to give a modification date which makes 
> sense for projects containing datasources like WMS or DataStores.
> 
>     A date reflecting the date of the project file is OK for me. Not really 
> essential, but maybe useful in some situations.
>     On the other hand, if it is just the date of the file, it is useless to 
> record it, and the modification tag is useless.
>     So I don't know what is the date Peppe want to display and for which use 
> case.
> 
>     Michaël
> 
> 
>     Le 10/05/2017 à 18:31, Giuseppe Aruta a écrit :
>>     GvSIG (official) uses a "Creation date" and a "Modification date" for 
>> project file.
>>     This is a screenshot of all "properties" that can be modified into an 
>> GvSIG project, included SRS
>>
>>     Immagine incorporata 1
>>      The file is not editable via- notepad so I cannot see the structure
>>
>>     Both Kosmo and QGIS use XML files, as I can see none of them record a 
>> "Modification date" or "Creation" one
>>     Peppe
>>
>>
>>     2017-05-10 16:53 GMT+02:00 <edgar.sol...@web.de 
>> <mailto:edgar.sol...@web.de>>:
>>
>>         thx,
>>
>>         so in general other GIS use the projects file last mod. time or a 
>> saved date value within the same?
>>
>>         ..ede
>>
>>         On 10.05.2017 16:52, Rahkonen Jukka (MML) wrote:
>>         > Hi,
>>         >
>>         > How could you tell what is the last update time of database 
>> layers, or image layers? For shapefiles one could try to read when the file 
>> was saved to disk, or better  the last_update data from DBF file (see 
>> http://www.gdal.org/drv_shapefile.html 
>> <http://www.gdal.org/drv_shapefile.html>) that is often updated when 
>> software saves the dbf file, but not always. I would say that it is hard to 
>> do in a reliable way and so that users would have benefit of that feature.
>>         >
>>         > -Jukka-
>>         >
>>         > -----Alkuperäinen viesti-----
>>         > Lähettäjä: edgar.sol...@web.de <mailto:edgar.sol...@web.de> 
>> [mailto:edgar.sol...@web.de <mailto:edgar.sol...@web.de>]
>>         > Lähetetty: 10. toukokuuta 2017 15:08
>>         > Vastaanottaja: jump-pilot-devel@lists.sourceforge.net 
>> <mailto:jump-pilot-devel@lists.sourceforge.net>; Rahkonen Jukka (MML) 
>> <jukka.rahko...@maanmittauslaitos.fi 
>> <mailto:jukka.rahko...@maanmittauslaitos.fi>>
>>         > Aihe: Re: [JPP-Devel] Question about MultiInputDialog
>>         >
>>         > On 09.05.2017 17 <tel:09.05.2017%2017>:12, Giuseppe Aruta wrote:
>>         >> C.
>>         >> wrt. Modification Time - how is this handled within other GIS 
>> (Jukka?), especial wrt. changed datasets. i can imagine a scenario where 
>> only a dataset is changed but the project as such is not changed,
>>         >> - which date would be more important?
>>         >> - would it make sense to show the mod. times of the datasets as 
>> well?
>>         >
>>         > Jukka, Mike, others.. what do you think? ..ede
>>         >
>>
>>
>>         
>> ------------------------------------------------------------------------------
>>         Check out the vibrant tech community on one of the world's most
>>         engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>         _______________________________________________
>>         Jump-pilot-devel mailing list
>>         Jump-pilot-devel@lists.sourceforge.net 
>> <mailto:Jump-pilot-devel@lists.sourceforge.net>
>>         https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel 
>> <https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel>
>>
>>
>>
>>
>>     
>> ------------------------------------------------------------------------------
>>     Check out the vibrant tech community on one of the world's most
>>     engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>
>>
>>     _______________________________________________
>>     Jump-pilot-devel mailing list
>>     Jump-pilot-devel@lists.sourceforge.net 
>> <mailto:Jump-pilot-devel@lists.sourceforge.net>
>>     https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel 
>> <https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel>
> 
> 
>     
> ------------------------------------------------------------------------------
>     Check out the vibrant tech community on one of the world's most
>     engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>     _______________________________________________
>     Jump-pilot-devel mailing list
>     Jump-pilot-devel@lists.sourceforge.net 
> <mailto:Jump-pilot-devel@lists.sourceforge.net>
>     https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel 
> <https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel>
> 
> 
> 
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> 
> 
> 
> _______________________________________________
> Jump-pilot-devel mailing list
> Jump-pilot-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
> 


------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
Jump-pilot-devel mailing list
Jump-pilot-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel

Reply via email to