PanoTools:
Re: copyright violation?
Mathieu Villegas 2004-Sep-09 16:12:33
If you create a software using any GPL'ed code, you have to redistribute
it with access to the source code under the GPL.
If you create a software with GPL code inside for your private use, you
can keep it secret.
If you use a GPL software from a private software, and you share datas
between this two software (ex: you use a DLL under GPL or a software you
launch and manage with a fork and exec and send datas with pipelines),
you have to redistribute your software under GPL.
To be able to use libraries or software from a not opensource software,
you have to use softwares or libraries which are under LGPL licence, for
example, which allow you to keep your source code secret under certain
conditions.
I hope this can be useful.
Mathieu
Bruno Postle wrote:
>On Thu 09-Sep-2004 at 06:11 -0700, Thomas Niemann wrote:
>
>
>>Are we violating copyrights if we create works, such as PTLens,
>>PTAssembler, PTGUI, and do not distribute source code for our
>>work? Specifically, I'm referring to the Copying.html document
>>distributed with Panorama Tools. This is the standard GNU GPL
>>agreement.
>>
>>
>
>The question is: are these tools "derived works" under normal
>copyright law? If so the author(s) of panorama tools can claim
>distribution rights over them - Irrespective of the GPL.
>
>Personally I don't think that they are derived works so long as the
>pano12 library and executables are distributed separately. If you
>are unsure then you need clarification from Helmut and anyone else
>who has contributed that they are happy for you to link to the
>library.
>
>
>
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