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[protege-discussion] Ontoviz Plugin - location of generated dot file?

Tania Tudorache tudorache at
Tue Jul 3 10:04:40 PDT 2007

Hi Jens,

usenet at wrote:
> Hi Tania,
> Zitat von Tania Tudorache <tudorache at>:
>> The OntoViz plugin does not work correctly in client-server mode. I have 
>> fixed it. The fix will be available in the next Protege release.
> I have absolutley no problem using the OntoViz plugin in client server mode!
> It does what it should do. 
> My problem is, that the intermediate .dot, .dot-input and also the .gif
> file is saved in the root of my hard disk on Windows. Right now I run 
> Protege from D: drive. Files show up directly in D:\.
> I want to change installation to C: drive and C:\ is not writable by users
> in our company.

Right. You will be able to do this in the next release. Many of the 
plugins have not been developed to work with the multi-user mode, in 
which some things in the plugin implementation have to be treated 
differently for the client and server side. We plan to document this on 
the wiki in the near future. One of the examples is that plugins call 
methods like project.getProjectDirectoryFile() or 
getProjectDirectoryURI() that return null in the case of a client-server 


>> In the multi-user client, the user will be asked where he wants to save 
>> the OntoViz files (.dot, .dot-input and .gif). A Protege client cannot 
>> (or actually, it should not) write to the file system of the server.
> It should NEVER! If you allow users to give a path name and the file is 
> saved on the Server, Protege Client could overwrite files on the server
> owned by the user running the protege server.
> Regards,
> Jens.
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