oops, forgot [1]:

http://en.wikipedia.org/wiki/Copyleft

I guess it depends on a lot of things (the LGPL version, any reciprocity
added by the JTS folks, etc, etc.), which I haven't looked at.

Cheers,
Chris

On Mar 5, 2012, at 2:34 PM, Mattmann, Chris A (388J) wrote:

> Hey Ryan,
> 
> On Mar 5, 2012, at 2:27 PM, Ryan McKinley wrote:
> 
>>> 
>>> Unfortunately I do see it as a roadblock. The goal of SIS was to write
>>> a pure ALv2 licensed (or compatible) spatial library and toolkit, which
>>> in my mind does *not* include any dependencies (even optional) on
>>> LGPL components.
>>> 
>> 
>> Got it, this was my understanding.  The goal of SIS is to build an ASL
>> version of JTS -- that's a great goal, just not one I have any
>> energy/time to contribute towards.
> 
> No worries. I appreciate you reaching out. Is there a way to have everything
> in spatial4j that doesn't rely on the LGPL code here?
> 
>> 
>> 
>>> Is there any way that the works of spatial4j could be replaced by ALv2 code?
>> 
>> The code in spatial4j is all ASL.  If there were a viable ASL polygon
>> library, we could use that too.
> 
> How can you have an ALv2 licensed library that has dependencies on LGPL 
> upstream
> components? Doesn't the LGPL and its viral nature [1] spill into your code?
> 
>> 
>> It looks like github is an appropriate place for the spatial4j development.
> 
> Would be great to reach some sort of compromise, and like I said, I'm totally
> supportive of what you guys are trying to do. If we can't, I wish you the best
> and hopefully we can build an ALv2 licensed polygon support capability
> that you guys could leverage, and perhaps help merge the communities
> then.
> 
> Thanks!
> 
> Cheers,
> Chris
> 
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Chris Mattmann, Ph.D.
> Senior Computer Scientist
> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> Office: 171-266B, Mailstop: 171-246
> Email: [email protected]
> WWW:   http://sunset.usc.edu/~mattmann/
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Adjunct Assistant Professor, Computer Science Department
> University of Southern California, Los Angeles, CA 90089 USA
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 


++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Chris Mattmann, Ph.D.
Senior Computer Scientist
NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
Office: 171-266B, Mailstop: 171-246
Email: [email protected]
WWW:   http://sunset.usc.edu/~mattmann/
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Adjunct Assistant Professor, Computer Science Department
University of Southern California, Los Angeles, CA 90089 USA
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

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