Author: a_valentino-guest Date: Sat Dec 11 17:37:29 2010 New Revision: 2547
URL: http://svn.debian.org/wsvn/blends/?sc=1&rev=2547 Log: Improved ROI_PAC description. Updated ROI_PAC home page url. Modified: projects/gis/trunk/debian-gis/tasks/sar Modified: projects/gis/trunk/debian-gis/tasks/sar URL: http://svn.debian.org/wsvn/blends/projects/gis/trunk/debian-gis/tasks/sar?rev=2547&op=diff ============================================================================== --- projects/gis/trunk/debian-gis/tasks/sar (original) +++ projects/gis/trunk/debian-gis/tasks/sar Sat Dec 11 17:37:29 2010 @@ -175,7 +175,7 @@ Instrument) onboard ERS 1/2. Depends: roipac -Homepage: http://www.openchannelfoundation.org +Homepage: http://www.openchannelfoundation.org/projects/ROI_PAC License: non-free (licenses available at no charge for non-commercial use) Responsible: Antonio Valentino <[email protected]> Pkg-Description: Repeat Orbit Interferometry PACkage @@ -183,6 +183,40 @@ division of NASA and CalTech for processing SAR images to create InSAR images, named interferograms. ROI_PAC stands for Repeat Orbit Interferometry PACkage. It is a UNIX based software package. + . + ROI_PAC a Repeat Orbit Interferometry Package that allows researchers + in the area of topography and surface change to apply Interferometric + Synthetic Aperture Radar (InSAR) methods, is now freely available to + the community. ROI_PAC, developed primarily to work with ERS data, + currently supports ERS-1, ERS-2, JERS, Envisat and ALOS PALSAR data, + and is configurable to work with "strip-mode" data from all existing + satellite radar instruments. + . + InSAR is the synthesis of conventional SAR techniques and + interferometry techniques that have been developed over several decades + in radio astronomy and radar remote sensing, and in recent years has + opened entirely new application areas for radar in the earth system + sciences, including topographic mapping and geodesy [v. e.g., Thompson + et al. 1986, Massonnet and Feigl 1998, Rosen et al. 2000]. + . + ROI_PAC uses raw radar data, ancillary information from telemetry and + navigation solutions, and digital elevation models (DEM; externally + provided or interferometrically derived) to produce a variety of + derived data products, including the full resolution images, + interferograms, phase images measured as principal value and + continuously "unwrapped," DEMs, and error estimates. Each of the + products is available in its natural radar coordinate system and + georeferenced to a DEM. The software computes the interferometric + baseline (i.e. the orbital separation of the satellite at the + observation times) from the provided navigation solutions, and the + refines the estimate to the mm level of precision using the provided + DEM and optional deformation model as reference. To remove the + topographic signature from an interferogram, ROI_PAC simulates an + interferogram from the orbit data and the DEM, and subtracts the phase + from the measured interferogram, leaving just the deformation phase. + ROI_PAC implements its fundamental algorithms in C and Fortran 90 and + drives each executable module with a Perl control script, running on + SGI, Sun, Mac OS X, and Linux platforms. Depends: orfeo Homepage: http://www.orfeo-toolbox.org _______________________________________________ Blends-commit mailing list [email protected] http://lists.alioth.debian.org/mailman/listinfo/blends-commit
