Activity

From 05/31/2011 to 06/29/2011

07:30 PM Task #207: Produce global fused DEM layer: When creating the ASTER GDEM image mosaics for the northeastern hemisphere, I noticed that the (sub) mosaics extended... Rick Reeves

05:42 PM Revision 74edc384: First version of this script; dKc constant is not optimally set yet. Need more experimentation.: Rick Reeves
02:47 PM Revision e11b5636: Version of pixel pair plotting script that adds 'Lowess Lines' to center of each scatterplot.: Note: Loess lines feature has only been tested with the input file "pixelPairs36000_5_8EvenSortCol1.csv", used in the... Rick Reeves
01:51 PM Revision a36cc837: This version has improved, vertically-stacked plots.: Rick Reeves
01:43 PM Revision 5a9ae465: First version of 'image blending' solution that employs a linear decay function to blend ASTER and SRTM pixel values south of 60 degree N Latitude line.: Rick Reeves
07:12 AM Task #212: Validate fused DEM at SRTM/ASTER boundary: To compare performance of the candidate solution techniques, I will compute three derived terrain metrics -
Slope, A... Rick Reeves

11:11 PM Task #212: Validate fused DEM at SRTM/ASTER boundary: Incorporating the suggestions made by Rob Guralnick, Walter Jetz, and Brian McGill during our June 10, 2011 weekly GI... Rick Reeves

05:41 PM Task #207: Produce global fused DEM layer: Steps:
>1) Identify base DEM data sources
>2) Define regions for which each base data type are required
>3)... Rick Reeves
04:44 PM Task #215: Establish file organization and possible 'tiling' scheme for Fused Global Terrain data set: The complete archive of Digital Elevation Model data to be used for constructing the Fused Terrain Layer and derived ... Rick Reeves

05:49 PM Revision 8ff00cae: First version of ASTER/SRTM boundary adjustment R script that tests a prototype 'exponential decay' function on a sub image of the DEM imaage mosaic.: Rick Reeves

09:19 PM Task #225: Organize and document SRTM input DEM files: I accumulated the (SRTM and ASTER) DEM files over the past two months, as I began this project. The ~ 6000 files are ... Rick Reeves

02:59 PM Revision 05968504: First version of R script that adjusts the boundary between ASTER and SRTM components of DEM image mosaic created for Environment and Organisms project. This prototype version uses a set of 'narrow' test images, applies a linear ramp function. Later versions will use more sophisticated functions.: Rick Reeves

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