Hello all
It is a long time I didn't updated the list about ongoing work, sorry
for that.
The Open Geospatial Consortium (OGC) is doing their Test Bed 17 this
summer, exploring with various partners topics such as Web API for
Aviation, Federated Cloud Analytics, Geo Data Cubes, etc. [1]. Apache
SIS is involved in two areas:
* Moving Features from Full Motion Imagery.
* Cloud Optimized GeoTIFF (COG) & Zarr: Specification & Evaluation.
On the Moving Features topic, Apache SIS role is simply to manage a
storage mechanism using (among others) the netCDF format. The image
recognition part is done by other partners. We leverage the SIS netCDF
reader capability to understand CF-conventions applied to moving
features [2].
On the Cloud Optimized GeoTIFF topic, we will finish the GeoTIFF reader
implementation. Current implementation reads only CRS and metadata. At
the end of this summer, the reader should be complete. Its performance
in a cloud context (such as Amazon S3) will be evaluated. If we have
time, we will explore the storage of 3 dimensional images in GeoTIFF
using a convention to be proposed by GDAL developer. But it would be an
experimental feature at best.
Before to work fully on above topics, we are trying to complete the
refactoring of filter API (i.e. the API for specifying a subset of the
data to load). A proposal was pushed almost 2 years ago on the
"geoapi-4.0" branch, but it was derived from XML encoding. A more
abstract model is available in ISO 19143:2010, but this is major change
that I wished to apply before to merge on "master". This work is finally
in progress. A draft GeoAPI specification is being written [3] (the
filter part is §6.7) and the corresponding Java interfaces are proposed
on the "refactor/filters" branch of GeoAPI [4]. Corresponding SIS
refactoring is in progress.
On the topic of web site migration, I think that my email to admin [5]
got lost. I will try to create a JIRA issue on INFRA this week.
Is there any comment, question, or thing to do otherwise?
Martin
[1] https://www.ogc.org/projects/initiatives/t17
[2] http://docs.opengeospatial.org/bp/16-114r3/16-114r3.html
[3] http://www.geoapi.org/snapshot/standard_document.html
[4]
https://github.com/opengeospatial/geoapi/tree/refactor/filters/geoapi/src/main/java/org/opengis/filter
[5]
https://lists.apache.org/thread.html/r53247902b4ae1332274fdf615a41f9ed6610dc5c2aba7753a4c5bdc0%40%3Cdev.sis.apache.org%3E
