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Also known as COLLADATM Modeling, this term refers to a set of methods for the manipulation and analysis of geophysical content which leverage the COLLADATM open industry standard for exchange of 3D objects. Originally developed by SONY Computer Entertainment to provide a common format for Digital Content Creation (DCC) tools (Arnaud, 2005) COLLADATM targets advanced game applications and is structured to enhance graphics rendering speed and animation. It is the format adopted by GoogleTM Earth for description of 3D content. COLLADATM is maintained by The Khronos Group, an industry consortium creating open standards for the authoring and acceleration of parallel computing, graphics and dynamic media on a wide variety of platforms and devices. The COLLADATM format is non-proprietary and openly defined at

COLLADA Computing provides a common linear framework for representing, associating, combining, differentiating and integrating geophysical data objects. Once translated into COLLADA, disparate data from the atmospheric, oceanic, geologic and space domains can be combined to create entirely new and innovative cross-domain products regardless of original coordinate system or data geometry. The resulting products can be viewed and manipulated within any Virtual Globe that supports the COLLADA industry standard, such as Google Earth and NASA World Wind Java. This effort enables analysis functions on geophysical datasets within the Virtual Globes, achieving gaming system speed and visual effects with real world data. WxAnalyst demonstrated COLLADA Computing proof of concept in SBIR 2010 Phase I, exploiting the Affine Transformation for math operations on geophysical datasets with linear topology.

WxAnalyst's SBIR Phase II Proposal is in Review.
COLLADA Model of NEXRAD and CloudSat
The concept for COLLADA ComputingTM started with the NEXRAD-CloudSat overpass for Hurricane Dolly. WxAnalyst was asked if WxAzygy® could calculate the cross correlation of radar reflectivity from these two instruments where they were simultaneous and collocated. So how would we calculate that dotted white line?

COLLADA Computing Paradigm
COLLADA cross-projection from one model to a second model, with final overlay on the original 2D surface map (top right). The merge is performed without leaving Google Earth.

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