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Changes between Version 4 and Version 5 of WikiStart/IceSheetRepresentation.html


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Timestamp:
09/24/10 17:21:34 (13 years ago)
Author:
iulian
Comment:

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  • WikiStart/IceSheetRepresentation.html

    v4 v5  
    22'''Surface Elevation Data'''  
    33 
    4 Primary source of data for the Jakobshavn glacier is CReSIS [https://www.cresis.ku.edu/data/greenland] 
     4Primary source of data for the surface of Jakobshavn glacier is CReSIS [https://www.cresis.ku.edu/data/greenland] 
    55 
    66The grid with elevation data is triangulated with [http://www.cs.cmu.edu/~quake/triangle.html Triangle] 
    77 
    8 A rendered surface is shown in visit, color corresponding to surface elevation. This initial model has 5 million points and 10 million triangles 
     8A rendered surface is shown in [https://wci.llnl.gov/codes/visit/home.html VisIt], color corresponding to surface elevation. This initial model has ~5 million points and ~10 million triangles.  
    99 
    10 [[Image(SurfIniElevation.jpg)]] 
     10 [[Image(SurfIniElevation.jpg)]] 
    1111 
    1212A zoomed in portion shows the resolution of the initial mesh  
    1313 
    14 [[Image(SurfIniZoom.jpg)]] [[Image(SurfIniZoomMesh.jpg)]]  
     14 [[Image(SurfIniZoomMesh.jpg)]]  
     15 
     16Bed Elevation below the glacier is obtained also from the CReSIS site, in long/lat coordinates. [http://www.gdal.org/ GDAL] package is used to convert to Universal Transverse Mercator coordinates (zone UTM 22N ). 
     17 
     18The ice occupies a volume between the bed and the surface.    
     19