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 > >
