[OSGeo-Standards] Fwd: OGC requests comment on charter for Point Cloud Domain Working Group

Jeff McKenna jmckenna at gatewaygeomatics.com
Thu Jun 18 10:58:30 PDT 2015

-------- Forwarded Message --------
Subject: 	[TC-Announce] OGC requests comment on charter for Point Cloud
Domain Working Group
Date: 	Thu, 18 Jun 2015 12:42:44 -0400
From: 	announce at opengeospatial.org <announce at opengeospatial.org>
To: 	tc-announce at lists.opengeospatial.org


     OGC requests comment on charter for Point Cloud Domain Working Group

Contact: info at opengeospatial.org

18 June 2015. Members of the Open Geospatial Consortium (OGC®) request
comments on the draft charter for an OGC Point Cloud Domain Working
Group (DWG).

The Point Cloud DWG is being established to address the gap in the OGC
standards baseline with regard to interoperability issues related to
sharing and processing point cloud data. The group will not create new
standards but will provide a collaborative discussion forum to define
and understand issues, requirements, use cases or barriers to
interoperability that are of concern to the point cloud community.

The planned new DWG represents an acknowledgment of the gap in the
current OGC baseline regarding standardization of point cloud data and
service formats. This working group is motivated by the fast growing
popularity and use of point cloud technology and data. This includes a
number of formats and types such as: laser scans from aerial and
terrestrial platforms (e.g., LiDAR), triangulated elevation points,
dense observations from the meteorological community, and others.  Based
on these considerations this charter defines the OGC Point Cloud Domain
Working Group (DWG).

The OGC has a number of Working Groups in which members discuss issues
relating to services, domain communities, and various data formats.
However, point cloud data has often been overlooked or treated in the
same buckets as images or terrain. Today the use of point clouds is
growing at a rapid rate in a variety of domains including utilities,
mining, 3D modeling, etc. Point cloud data is currently stored in many
formats. In many cases the formats were created for particular
application domains. Some of these formats are now de facto standards in
domains such as multi-dimensional scientific data, LiDAR data, elevation
data, seismic data, bathymetric data, meteorological data, and
fixed/mobile consumer sensors (IoT). OGC members have registered
concerns that without development of best practices or consensus
standards, divergence will continue and interoperability will be inhibited.

As an example, LiDAR data is commonly exchanged using the ASPRS LAS
standard format. However, end-user consumption of LAS content for
analysis or display requires indexing, optimization and/or compression
of the content, with multiple methods available ranging from
vendor-specific indexing schemes to commercial and free optimization and
compression toolsets.  Further, more capable LiDAR encoding formats are
being developed in specialized communities, such as the Sensor
Independent Point Cloud (SIPC) based on HDF5.

The OGC membership is not necessarily advocating creation of a single
point cloud encoding standard. Rather the members have expressed
interest in ensuring greater interoperability between point cloud
datasets and identifying methods to integrate such data to interoperate
with other OGC standards.

The draft charter is available for review at

Comments should be sent via email to charter-requests at opengeospatial.org
<mailto:charter-requests at opengeospatial.org?utm_source=phplist392&utm_medium=email&utm_content=HTML&utm_campaign=OGC+requests+comment+on+charter+for+Point+Cloud+Domain+Working+Group> 

and are due by 18 July 2015.

The OGC is an international geospatial standards consortium of more than
500 companies, government agencies, research organizations, and
universities participating in a consensus process to develop publicly
available standards. OGC standards support interoperable solutions that
"geo-enable" the Web, wireless and location-based services, and
mainstream IT. Visit the OGC website


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