best practices: integration of opentopography dem data with uiuc viewshed tool sdsc ot team
TRANSCRIPT
Best Practices: Integration of OpenTopography DEM data
with UIUC Viewshed tool
SDSC OT team
Outline• OpenTopography– Overview– OT Architecture
• Test Example– LiDAR Point Cloud Data Access and Processing– Viewshed Analysis
• Integration Process– Security Service– Catalogue Service– Workflow Scenario
OpenTopography Facility
• NSF Facility funded via EAR IF and OCI• Increase the amount of science-oriented
LiDAR available online• Enhanced web-based processing capabilities,
with a focus on computationally intensive tasks (leveraging SDSC resources).
• Community support: Software tools, tutorials, short courses, Workshops
OT SOA Architecture
OGC Catalogue Interface
CSW Server
Metadata Management
Server
Teton Conservation District, Wyoming Lidar
User Interface to access data
User Interface for the simulation
Visualization for results
Opal Server(Web Service)
CyberGIS Gateway
Token Based Identity Server
Create the Token
Verify the Token
Invoke the
Service
with Token
Opal toolkit with CyberGIS Security APIs
UIUC
UIUC
SDSC
Metadata Service for OT datasets• CyberGIS gateway enhances the capabilities to
store, manage, and use metadata.– Applications use the metadata model and APIs to
manage data resources.• OGC Standard Catalogue Service• Metadata model– Metadata schema : ISO 19139
• CSW (Catalogue Service for the Web) service APIs enable users to publish, browse, and search for the specific metadata using CSW protocol.– Support HTTP binding
The Workflow Scenario
Metadata Service
OT Facility
Viewshed App
Count Service
Data Access Service
Data Processing Service
Opal Web Services
Outputs:points.laspoints.lazpoints.tar.gz
Outputs:Output.min.grid, asc, geotiffOutput.max.grid, asc, geotiffOutput.mean.grid, asc, geotiffOutput..den.grid, asc, geotiffOutput.idw.grid, asc, geotiffdems.tar.gz
150Million ?