2008

MISR Instrument Data Visualization

The MISR Interactive eXplorer (MINX) software functions both as a general-purpose tool to visualize Multiangle Imaging SpectroRadiometer (MISR) instrument data, and as a specialized tool to analyze properties of smoke, dust, and volcanic plumes. It includes high-level options to create map views of MISR orbit locations; scrollable, single-camera RGB (redgreen- blue) images of MISR level 1B2 (L1B2) radiance data; and animations of the nine MISR camera images that provide a 3D perspective of the scenes that MISR has acquired.

The plume height capability provides an accurate estimate of the injection height of plumes that is needed by air quality and climate modelers. MISR provides global high-quality stereo height information, and this program uses that information to perform detailed height retrievals of aerosol plumes. Users can interactively digitize smoke, dust, or volcanic plumes and automatically retrieve heights and winds, and can also archive MISR albedos and aerosol properties, as well as fire power and brightness temperatures associated with smoke plumes derived from Moderate Resolution Imaging Spectroradiometer (MODIS) data.

Some of the specialized options in MINX enable the user to do other tasks. Users can display plots of top-ofatmosphere bidirectional reflectance factors (BRFs) versus camera-angle for selected pixels. Images and animations can be saved to disk in various formats. Also, users can apply a geometric registration correction to warp camera images when the standard processing correction is inadequate. It is possible to difference the images of two MISR orbits that share a path (identical ground track), as well as to construct pseudocolor images by assigning different combinations of MISR channels (angle or spectral band) to the RGB display channels.

This software is an interactive application written in IDL and compiled into an IDL Virtual Machine (VM) “.sav” file.

This work was done by David Nelson of Columbus Technologies and Services Inc.; Michael Garay of Raytheon; David Diner, Charles Thompson, Jeffrey Hall, Brian Rheingans, and Dominic Mazzoni of Caltech for NASA’s Jet Propulsion Laboratory.

This software is available for commercial licensing. Please contact Karina Edmonds of the California Institute of Technology at (626) 395-2322. Refer to NPO-45744.

This Brief includes a Technical Support Package (TSP).

MISR Instrument Data Visualization (reference NPO-45744) is currently available for download from the TSP library.

Please Login at the top of the page to download.

 

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