Distributed GIS Computing for High Performance Simulation and Visualization
Today, the ability of sensors to generate geographical data is virtually limitless. Although NASA now provides (together with other agencies such as the USGS) a capability for accessing, manipulating, and visualizing these data, an enormous gap still exists between the sensor data and the visualization capability, largely due to the rapid technological advances with respect to desktop visualization of large datasets. The challenge addressed in this research is to develop new methods for automating the access and processing of raw sensor data, sharing data and methods among researchers, and integrating visualization throughout the process. To meet this challenge, we will develop two new innovations: Geo-Cloud and COAST HPGIS.Geo-Cloud is the distributed network environment that maintains connectivity between a geo-browser and Geo-Resources (sensor data, GIS datasets, models, simulations, and metadata). The Geo-Cloud maintains all metadata (and ontology) required to efficiently catalog, locate, store, access, and update Geo-Resources. The significance of the Geo-Cloud creation is that it is a highly performing, scalable, network environment that encompasses: 1) a high performance cloud computing (HPCC) environment, and 2) geographical context (HPGIS) whereby users can store, access, and manipulate extensive geographical resources. The Geo-Cloud provides virtualized access to Internet2 and supercomputing resources for processing very large datasets and simulations.
COAST HPGIS is an enhanced version of the NASA COAST product which is based on the NASA World Wind geo-browser. COAST HPGIS includes plug-ins, overlays, and interfaces for COAST in order to enable interaction with the Geo-Cloud for real-time visualization of temporal and parametric simulations and models.
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