Thanks Frank for your answer and advice. I will be carefully reading documentation and writing down the functions and the interface .
> Date: Fri, 18 Dec 2015 09:18:22 -0800 > Subject: Re: How to contribute a spatial module to MADlib manipulating > objects from PostGIS > From: fmcquil...@pivotal.io > To: dev@madlib.incubator.apache.org > > Thanks ChenLiang Wang for your interest. > > I would repeat Ivan's welcome to you, and I look forward to your > contributions in the area of GIS. > > To answer your questions: > > 1. Yes, it is possible to call PostGIS functions from MADlib. > > 2. Yes, spatial statistics are suitable for MADlib. > > For documentation, please refer to the Apache MADlib wiki > http://madlib.incubator.apache.org/ > > which includes: > Quick Start Guides > > Get going with a minimum of fuss. > > - Installation Guide > <https://cwiki.apache.org/confluence/display/MADLIB/Installation+Guide> > - Quick Start Guide for Users > > <https://cwiki.apache.org/confluence/display/MADLIB/Quick+Start+Guide+for+Users> > - Quick Start Guide for Developers > > <https://cwiki.apache.org/confluence/display/MADLIB/Quick+Start+Guide+for+Developers> > > > As Ivan mentioned, writing down the functions you would like to build and > the interface is a good place to begin. Then we can discuss on the open > mailing list. > > Regards, > Frank > > On Thu, Dec 17, 2015 at 8:11 PM, 王晨 亮 <hi181904...@msn.com> wrote: > > > Thanks for your quick reply. Your suggestion is great. I will give a > > definitions and description for the spatial statistic functions and > > comparison with ordinary statistic models. > > > > > > > Date: Thu, 17 Dec 2015 21:56:06 -0500 > > > Subject: Re: How to contribute a spatial module to MADlib manipulating > > objects from PostGIS > > > From: inov...@pivotal.io > > > To: dev@madlib.incubator.apache.org > > > > > > Hi ChenLiang, > > > > > > I think your proposal is good and worth trying to do it! > > > > > > Can I suggest the first steps if you send a proposal of the function > > > definitions and the parameters and return values as well as description > > of > > > the functions and what they do. > > > > > > Based on that we can discuss the design of the interface and once it > > looks > > > good you can start working on the actual implementation of the coding. > > > When you get to implementation we can help you on technical challenges. > > > > > > Cheers, > > > Ivan > > > > > > > > > > > > > > > > > > On Thu, Dec 17, 2015 at 9:50 PM, 王晨 亮 <hi181904...@msn.com> wrote: > > > > > > > Hi MADlib Developers, > > > > > > > > > > > > > > > > > > > > I am a GIS Researcher and have some knowledge on PostGIS, Python, > > > > C/C++,Java and R. > > > > > > > > > > > > > > > > I have learned some spatial statistical models during My PhD research > > in > > > > GIS. Recently, I have done a job translating GWR (Geographical Weighted > > > > Regression) from R into Java for my company. And I would like to > > > > contribute to MADLib if possible. I believe PostGIS and MADlib are the > > > > most powerful extensions of PostgreSQL . Therefore, a spatial > > statistical > > > > module connecting the two libraries could be significant . If I can > > start > > > > the task , the first goal to implement will be GWR model. > > > > > > > > > > > > > > > > Now I am reading the developer guide of MADlib. I not quite sure how to > > > > contribute a geospatial module to MADlib. Is it possible to manipulate > > > > spatial object or attribute from PostGIS in MADlib ? > > > > > > > > > > > > > > > > So could anyone suggest a few pointers & links that I can follow to get > > > > to know: > > > > > > > > > > > > > > > > 1. how to deal with these dependencies about MADlib? > > > > > > > > > > > > > > > > 2. whether the spatial statistics module is suitable for MADlib？ > > > > > > > > > > > > > > > > Thank you in advance. > > > > > > > > > > > > ChenLiang Wang > > > > > > > > > > > >
