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From Henry Saputra <henry.sapu...@gmail.com>
Subject Re: [VOTE] Accept Apache HotdoG into the Incubator
Date Thu, 13 Jun 2013 04:18:34 GMT
+1 binding.

Good luck guys

- Henry


On Wed, Jun 12, 2013 at 11:22 AM, Ramirez, Paul M (398J) <
paul.m.ramirez@jpl.nasa.gov> wrote:

> All,
>
> I'd like to call a VOTE for the acceptance of Apache HotdoG into the
> Incubator. I'll leave the VOTE open for the rest of the week and close it
> out Monday, June 17th early am PT.
>
> [ ] +1 Accept Apache HotdoG into the Incubator
> [ ] +0 Don't care.
> [ ] -1 Don't accept Apache HotdoG because...
>
> Full Proposal is pasted at the end of this email. Only VOTEs from
> Incubator PMC members are binding, but all are welcome to express their
> thoughts.
>
> This is a second pass at this vote as I canceled it to pull in more
> mentors. The following people voted on the first pass:
>
> Henry Saputra +1 (binding)
> Chris Mattmann + 1 (binding)
>
> Thanks!
> Paul Ramirez
>
> P.S. +1 from me (binding)
>
>
> = HotdoG Proposal =
>
> == Abstract ==
>
> The HotdoG project is an effort and suite of tools to convert HDF/HDF-EOS
> format into GeoTIFF format. This is the first of a potential series of
> incoming projects originating from The HDF Group -- the non-profit
> organization is interested in evaluating the ASF as a potential home for
> many of its projects. The HDF Group is an independently funded organization
> that started many years ago with major investment from NASA as the
> Hierarchical Data Format (HDF), version 4 and now version 5, is the ''de
> facto'' remote sensing data format for NASA missions, and an increasing
> number of other disciplines including bio medicine, radio astronomy,
> climate science, and other domains.
>
> HDF is both a data and metadata format, as well as a model for
> representing and access information. There are numerous downstream tools
> that can read and write HDF data, including a growing number of Geospatial
> data tools (ESRI-based, and also OpenGeo and other community led efforts).
> In addition, major interoperability efforts are also occurring between the
> remote sensing community and the climate modeling community (which has
> traditionally favored NetCDF as opposed to HDF) because of the efforts in
> HDF5 to leverage a common data format and model.
>
> HotdoG is poised to be a first of its kind in the form of bringing one of
> the major 2 data formats for science to the ASF (the other being the NetCDF
> format).
>
> == Proposal ==
> HotdoG is a software converter that converts Earth Science data in
> HDF/HDF-EOS format into GeoTIFF format. Doing so easily enables users of
> remote sensing data to interoperate with common GIS tools (like WebGIS, Web
> Processing, image analysis, and geo computational tools). We feel that the
> project is an incremental step, and an appropriate focus with tangible
> success possibilities by restraining our focus to HDF/HDF-EOS to GeoTIFF
> conversion.
>
> There are numerous interesting paths that we can take the toolkit in -- as
> conversion from remotely sensed data to GeoTIFF involves ensuring that the
> HDF-EOS metadata elements can be appropriately represented using GeoTIFF
> headers, and the associated format. Furthermore, capturing the HDF's
> appropriate geo datum in GeoTIFF will be another important challenge.
>
> == Background ==
>
> GeoTIFF is a data and metadata standard for Earth science applications. It
> is based on binary Tagged Image File Format (TIFF).  A GeoTIFF file has
> geographic (or cartographic) data embedded as tags within the TIFF file
> that are used to geo-locate the image. This is required for correct
> integration of the image in Geographic Information Systems (GIS) and other
> popular tools like Google Earth Pro.
>
> In the recent years, GeoTIFF has gained popularity as a visualization
> format among NASA HDF Earth science user communities according to the NASA
> data user's survey. However, the conversion from HDF to GeoTIFF is not
> straightforward for end users because NASA HDF data products are diverse
> and organized in many different ways. For example, go to
> http://hdfeos.org/zoo and you'll see many scripting language examples
> because no single script can correctly visualize all NASA HDF data.
>
> == Rationale ==
>
> The HEG tool is limited to some NASA HDF-EOS2 products (no support for
> HDF-EOS5 products) and it is not an open-source tool. The latest GDAL
> (version 1.9.2 and above) is an open-source tool but it cannot handle many
> non-HDF-EOS NASA HDF products such as TRMM (pure HDF4) and Aquarius (pure
> HDF5) correctly and automatically.
>
> == Initial Goals ==
>
> We'll improve GDAL to support NASA HDF products better by handling
> geo-location information and physical meaning of data correctly and
> automatically.
>
> We'll handle NASA products intelligently so novice users don't have to
> supply many options or figure out the details about the data products. For
> advanced users, we'll give a full control of accessing HDF products in many
> different ways so that the converted GeoTIFF file is scientifically valid
> and meaningful.
>
> We aim to provide command line tools first and evolve them into a GUI tool.
>
>
> == Current Status ==
>
> We're looking for people interested in HotdoG and to move the project into
> the Apache Community.
>
> === Meritocracy ===
> We will discuss the milestone and the future plan in an open forum. We
> plan to encourage an environment that supports a meritocracy. The
> contributors will have different privileges according to their
> contributions.
>
> === Community ===
>
> GIS and Earth Science
>
> === Core developers ===
>  * H. Joe Lee <hyoklee AT hdfgroup DOT org>
>  * Denis Nadeau <denis DOT nadeau AT gmail DOT com>
>  * Andrey Kiselev <dron AT ak4719 DOT spb DOT edu>
>  * Pedro Vicente <pvicente AT uci DOt edu>
>  * John Evans <john DOT g DOT evans DOT ne AT gmail DOT com>
>
> === Alignment ===
>
> HotdoG employs H4CF Conversion Toolkit for reading data and GDAL for
> writing GeoTIFF. In addition, we plan to integrate HotdoG with other
> products from new missions such as SMAP and IceSAT-2.
>
> If HEG becomes available as open source, HotdoG will employ it as well for
> HDF-EOS2 products.
>
> == Known Risks ==
>
> HDF-EOS2 and HDF-EOS5 libraries are distributed under the [[
> http://opensource.org/licenses/NASA-1.3|NOSA license]] that may not be
> compatible with Apache License. This will be vetted with the Legal Affairs
> Committee and if found incompatible we will find a different way to read
> HDF-EOS products.
>
> HDF is a flexible format which affords for unusual objects such as Point &
> Zonal Averages (HDF-EOS), VData (HDF4), and compound datatype (HDF5) that
> present challenges in mapping to GeoTIFF. To mitigate this challenge the
> initial goals will focus on those objects which are more common place and
> easily map to GeoTIFF.
>
> == Documentation ==
>
> User's guide documentation will be provided via Doxygen. The guide will
> contain specific GeoTIFF conversion examples for each NASA HDF data product.
>
> == External Dependencies ==
>  * H4CF Conversion Toolkit
>  * GDAL
>  * HDF-EOS2 / HDF-EOS5
>  * HDF4 / HDF5
>
> == Required Resources ==
> === Mailing List ===
>  * hotdog-private (with moderated subscription)
>  * hotdog-dev
>  * hotdog-commits
>
> === Issue Tracking ===
> JIRA HotdoG (HotdoG)
>
> === Other Resources ===
>  * Wiki
>   * http://wiki.apache.org/HotdoG
>
> == Initial Committers ==
>  * H. Joe Lee (The HDF Group)
>  * Mike Folk  (The HDF Group)
>  * Paul Ramirez (NASA JPL)
>  * Chris Mattmann (NASA JPL)
>  * Lewis John McGibbney (Stanford University)
>  * Denis Nadeau (NASA NCCS)
>  * Pedro Vicente (University of California at Irvine)
>  * Babak Behzad (University of Illinois at Urbana-Champaign)
>  * Nawajish Noman (ESRI)
>  * John Evans
>  * Andrey Kiselev (SRCES RAS)
>  * Adam Estrada
>
> == Affiliations ==
>  * H. Joe Lee (The HDF Group)
>  * Mike Folk  (The HDF Group)
>  * Paul Ramirez (NASA JPL)
>  * Chris Mattmann (NASA JPL)
>  * Lewis John McGibbney (Stanford University)
>  * Denis Nadeau (NASA NCCS)
>  * Pedro Vicente (University of California at Irvine)
>  * Babak Behzad (University of Illinois at Urbana-Champaign)
>  * Nawajish Noman (ESRI)
>  * Andrey Kiselev (Scientific Research Center for Ecological Safety
> Russian Academy of Science)
>  * Adam Estrada (MDA Information Systems)
>
> === Champion ===
>  * Paul Ramirez <paul DOT m DOT ramirez AT jpl DOT nasa DOT gov>
>
> === Nominated Mentors ===
>  * Chris Mattmann
>  * Paul Ramirez
>  * Joe Brockmeier
>  * Greg Reddin
>
> === Sponsoring Entity ===
>  * Apache Incubator
>
>
> --Paul Ramirez
>

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