Thank Georges and Adam. I will wait until Monday in case there is other
comment, then I will submit the talk proposal.
Martin
Le 04/02/16 13:16, Adam Estrada a écrit :
> Looks great, Martin. I wouldn't change a thing.
>
> A
>
> Sent from my iPhone
>
>> On Feb 3, 2016, at 10:01 AM, Martin Desruisseaux
>> <[email protected]> wrote:
>>
>> Hello all
>>
>> Bellow is an abstract proposal for ApacheCon. Is there any comment?
>>
>> Geospatial Track - Hiding some of geospatial complexity
>>
>> Submission type: presentation
>>
>> Category: developer
>>
>> Abstract: Apache Spatial Information System (SIS) is a Java library
>> providing low-level services for applications that manipulate geospatial
>> data. The geographic metadata model (based on ISO 19115) and the
>> coordinate transformation services (based on ISO 19111) were presented
>> in the ApacheCon 2014. Recent developments in the international
>> standards that drive SIS model were presented in ApacheCon Europe 2015.
>> It is tempting to ignore the complexity of those standards on the
>> assumption that everyone today use coordinates given by GPS. But even
>> though obsolescent, the NAD27 datum for instance still is in use — it is
>> critically important in the U.S. where it has been used for definitions
>> of many legal boundaries. Even on modern datum, support of polar areas
>> or supplemental dimensions can be challenging. In this talk, we will
>> present a few key methods from the Apache SIS library that handle a lot
>> of this complexity: how to get a Coordinate Reference System from a
>> simple string, how to transform coordinates with an estimation of the
>> operation accuracy, how to transform a cube while taking in account the
>> curvatures, through an API that can be understood without diving too
>> deeply in the complexity of GIS. We will show an example of what happen
>> under the hood during a cube transformation, for demonstrating what the
>> developers gain with those simple API calls. Finally, we will present a
>> command-line tool and an OpenOffice add-in for Calc that peoples can use
>> for trying Apache SIS without programming.
>>
>> Who the audience is: The target audiences are developers of desktop, web
>> or big data applications who need to handle geospatial coordinates and
>> metadata. This presentation aims to help those developers to evaluate
>> the advantages of using a library like Apache SIS for geospatial
>> operations instead than developing custom methods.
>>
>> How the presentation may help Apache and open source ecosystem: Some big
>> data libraries are implementing their own routines for performing map
>> projections or other geospatial operations, with different levels of
>> familiarity with international standards or pitfalls awareness. This
>> presentation aims to increase awareness about a way to delegate some
>> tasks to a project dedicated to implementations of Open Geospatial
>> Consortium (OGC) standards.
>>
>> Experience level: any
>>
>>
