[Gvsig_english] saving project storing relative path names to layer sources

[Agustin Diez Castillo]

  Some time ago in the developers list there was some comments about  
path and Luis W. Sevilla suggested to me the following:
My problem was that using the same usb memory card in two machines I  
got for the very same file:
> /media/sdd/Arqueologia del territorio/gvsig_curso/huerta.jpg,
in one machine, and in the second one:
>
> /media/sda/Arqueologia del territorio/gvsig_curso/huerta.jpg
>

Being uno.gvp my original project, the proposed trick in *nix was:
sed 's/\/media\/sdd/\/media\/sda/' < uno.dvp > dos.gvp
Variations of the same have been working fine since, when reading  
projects from either Linux or Windows XP in Mac. If you want to read  
Mac created projects in Windows XP you can edit the paths in some  
Text editor or do sed in the Mac.
I hope this helps.
Agustin

On Jan 3, 2008, at 1:10 PM, pvmstg wrote:

> Hi Chris,
>
> Unfortunately I do not agree with you.  We are stuck with win...  
> until.... We try related and fixed path.  For us... related path  
> make it difficult and impossible to use.  We often use old project  
> to start new one but... new project means new folder for that  
> projects so relatives doesn't do the jobs.  Also... all is in the  
> scale of the user... We use gis on few computers with on server for  
> data but many programs on each computer.  When we need to use  
> outside that network it's easy to maps data the same way by  
> allocating letter the same ways.
>
> Also... I haven't try to move project betwen my pc and my mac so...  
> I can't imagine how a relative path can handle multiple systems  
> syntax. y:/data/qc_20M/... and /Users/pvmstg/Documents/data/qc_20M
>
> So for me the two choices is needed and, like I said in my post,  
> with a good paths handler like in Xtools, everyone will be ok.
>
> In an other subject, if gv_sig whant to extend it's user base, more  
> it can use data from old esri project, more it could be accepted.   
> For one, even with all it's advantage gv_sig won't be attractive if  
> we can't use file geodatabase (not the personal one link to  
> acces).  Maybe changing to pyton database is a better way to go...  
> but at our scale it's not something we go foward to... so...
>
> Marcel
> Le 08-01-02 à 06:41, Chris Puttick a écrit :
>
>> IMNSHO file paths referenced in applications should never be  
>> absolute, because they can't be. Even if you stick within Windows,  
>> you are making the poor assumption that the application will only  
>> ever be one computer on one version of Windows, or all  
>> organisations have network shares configured the same way (and  
>> still use network shares rather than repositories). And good  
>> applications (read "applications I permit organisations I manage  
>> to use" ;) ), like gvSIG, do not only work on Windows, and it is  
>> only on Windows that the silly concept of drive letters even  
>> exists...
>>
>> Why would you use absolute file paths?
>>
>> Chris
>>
>> Chris Puttick
>> CIO
>> Oxford Archaeology: Exploring the Human Journey
>> Direct: +44 (0)1865 263 818
>> Switchboard: +44 (0)1865 263 800
>> Mobile: +44 (0)7917 058 568
>> http://thehumanjourney.net
>>
>> ----- Original Message -----
>> From: "Sergio Clark" <sergio.clark at iver.es>
>> To: "Users and Developers mailing list"  
>> <gvsig_internacional at runas.cap.gva.es>
>> Sent: 02 January 2008 11:32:14 o'clock (GMT) Europe/London
>> Subject: Re: [Gvsig_english] saving project storing relative path  
>> names to layer	sources
>>
>> Hello Ernesto,
>>
>> Yes, that is a good idea. We've been discussing about it recently,  
>> and
>> we're looking for the best solution. Maybe introduce a checkbox  
>> with the
>> option Absolute or Relative Path when creating a project, in order to
>> solve this problem of portability on different workstations.
>>
>> For the moment (it's not the same but also helps the users ;-)) it  
>> has
>> been implemented the option for choosing a new path when gvSIG  
>> doesn't
>> find the original path of a layer, because layer has been moved or  
>> we're
>> working in a different workstation. With this, users could see,  
>> layer by
>> layer, which have not been found and introduce the correct new path.
>> This new option is implemented for gvSIG future version 1.2.
>>
>> Regards! And thanks for your suggestion.
>>
>> Sergio.
>>
>> -- 
>>
>> Sergio Clark
>> Equipo gvSIG
>> IVER T.I., S.A.
>> www.iver.es
>> www.gvsig.com
>>
>>
>>
>>
>> ernesto sferlazza escribió:
>>> Hi all
>>> Since I've created several replicas of a geographic archive, having
>>> the same directory tree schema, on different workstations or  
>>> groups of
>>> workstations operating on different Local Area Networks not  
>>> connected
>>> among them, I think it would be very useful to save projects with
>>> "store relative path names to data sources" option instead of the
>>> defaul absolute path available in GVSIG.
>>> In this way I could distribute easily updated versions of a  
>>> project to
>>> all users, without the need of customization of *gvp file (changing,
>>> for example, the path from " C:\SIT_provinciaAG \TRASPORTI 
>>> \STRADE" to
>>> " F:\archivioSIT \TRASPORTI\STRADE") using a text editor.
>>> I have tried, also, to change with a text editor the full path to
>>> relative path subtituting "..\" instead of the archive root path (in
>>> the example " ..\ " instead of " C:\SIT_provinciaAG \ ", but it  
>>> didn't
>>> work as I believed.
>>>
>>> Best regards
>>>
>>> ing. Ernesto Sferlazza
>>> responsabile Unità Organizzativa Sistema Informativo Territoriale
>>> della Provincia regionale di Agrigento
>>> piazza Aldo Moro, 1 - 92100 AGRIGENTO
>>> tel 0922 401935
>>> -------------------------------------------------------------------- 
>>> ----
>>>
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>>> Gvsig_internacional at runas.cap.gva.es
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>>
>>
>>
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