Chris, After giving it some thought, I think there are a certain number of basic features that could conceivably be completed by a GSoC student. Would you like them in Jira, or just in an email? Joe On Mar 5, 2012, at 5:24 PM, Mattmann, Chris A (388J) wrote:
> Hey Joe, > > No worries, happy to have help and yes, happy to do it, a step at a time. > Right now, the near term > goal is to update the SIS website with a fresh design for our 0.2-incubating > release. In fact, it's not > a blocker in my mind and if I don't see any updates by the end of the week, > I'll roll a 0.2-incubating release > candidate with the fixes already present and save the website update for > later. > > Then in 0.3-incubating, we've got a set of JIRA issues to work on that I > think will add great value. I also > tagged the SIS CLI as a Google Sumer of Code project. Do you think you could > help cruft some JIRA issues > and ideas for the first parts of polygon support and other features that you > think would be completable in > a summer by a GSoC student? Or any other SIS features that you think we > should tackle next? > > Cheers, > Chris > > On Mar 5, 2012, at 2:04 PM, Joe White wrote: > >> Trust me, Chris, I'm not arguing with the goals. It's just a lot of work. >> Taken in pieces, it's not so bad, but in toto, it's a lot. I look forward >> to helping out any way I can. There's only one way to eat an elephant… One >> bite at a time. >> >> Joe >> >> On Mar 5, 2012, at 5:01 PM, Mattmann, Chris A (388J) wrote: >> >>> Hi Joe, >>> >>> Well that's the goal, for when Patrick and I started the project with Sean >>> and Paul. I'd seen enough >>> of the LGPL libraries out there for spatial and set out to grow up an ALv2 >>> version, so that downstream >>> users who expect the type of legal framework and quality that the ASF >>> provides would find no surprises. >>> I don't think those goals have changed in the least. >>> >>> I'm really supportive of what Ryan is doing with spatial4j. If there is any >>> way that we can join the communities >>> here, that would be awesome, I would just strongly advocate for not doing >>> it in a way that includes any LGPL >>> components, even optionally. >>> >>> Cheers, >>> Chris >>> >>> On Mar 5, 2012, at 1:55 PM, Joe White wrote: >>> >>>> That definitely sounds like you are advocating writing a complete >>>> projection engine, as well as geospatial raster and vector support with >>>> AL licensing. That would be pretty ambitious, although not as bad when >>>> taking a (much) longer view. >>>> >>>> Joe >>>> >>>> On Mar 5, 2012, at 4:50 PM, Adam Estrada wrote: >>>> >>>>> Chris, >>>>> >>>>> Optional support today means that it could potentially be deprecated in >>>>> later releases, right? The same is true with including GDAL and Proj4. >>>>> Both >>>>> of them are very liberally licensed but have to buckle down because of >>>>> EPSG >>>>> support. Thoughts on that? >>>>> >>>>> Adam >>>>> >>>>> On Mon, Mar 5, 2012 at 4:47 PM, Mattmann, Chris A (388J) < >>>>> chris.a.mattm...@jpl.nasa.gov> wrote: >>>>> >>>>>> Hi Greg, >>>>>> >>>>>> On Mar 5, 2012, at 1:33 PM, Greg Reddin wrote: >>>>>> >>>>>>> On Mon, Mar 5, 2012 at 3:17 PM, Adam Estrada <estrada.a...@gmail.com> >>>>>> wrote: >>>>>>>> http://www.apache.org/legal/resolved.html From there it looks like >>>>>> LGPL is >>>>>>>> a definite no no...Does this mean that it can't be included as an >>>>>>>> option >>>>>>>> when being built? >>>>>>> >>>>>>> I think it is a definite no no for "inclusion" in a project, meaning >>>>>>> we can't include any LGPL wok in SIS. But I think we are talking about >>>>>>> an optional dependency here. See the following blurb from the >>>>>>> above-linked page: >>>>>>> >>>>>>> "Can Apache projects rely on components whose licensing affects the >>>>>>> Apache product? >>>>>>> Apache projects cannot distribute any such components. However, if the >>>>>>> component is only needed for optional features, a project can provide >>>>>>> the user with instructions on how to obtain and install the >>>>>>> non-included work. Optional means that the component is not required >>>>>>> for standard use of the product or for the product to achieve a >>>>>>> desirable level of quality. The question to ask yourself in this >>>>>>> situation is: >>>>>>> >>>>>>> Will the majority of users want to use my product without adding the >>>>>>> optional components?" >>>>>>> >>>>>>> So, if I understand everything correctly, I don't see this as a >>>>>>> roadblock. It is possible that I don't understand it correctly though >>>>>>> :-) >>>>>> >>>>>> 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. >>>>>> >>>>>> As I understand it, in this case, JTS is providing the polygon support. >>>>>> Polygon support is something we'd really like to support in SIS, so >>>>>> to me, this dependency (though optional in e.g., Lucene) is a core >>>>>> feature of SIS and something most of the eventual users of the system >>>>>> would want. >>>>>> >>>>>> Cheers, >>>>>> Chris >>>>>> >>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >>>>>> Chris Mattmann, Ph.D. >>>>>> Senior Computer Scientist >>>>>> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA >>>>>> Office: 171-266B, Mailstop: 171-246 >>>>>> Email: chris.a.mattm...@nasa.gov >>>>>> 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: chris.a.mattm...@nasa.gov >>> 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: chris.a.mattm...@nasa.gov > WWW: http://sunset.usc.edu/~mattmann/ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > Adjunct Assistant Professor, Computer Science Department > University of Southern California, Los Angeles, CA 90089 USA > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >
