1 |
heimbach@mit.edu 07-Nov-2002. |
heimbach@mit.edu 07-Nov-2002. |
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This verification experiment is almost identical to the |
This verification experiment is almost identical to the |
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global_ocean.90x40x15 experiment, except that it uses |
global_ocean.90x40x15 experiment, except that it uses |
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the exf (and cal) package instead of the |
the exf (and cal) package instead of the |
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19 |
menemenlis@jpl.nasa.gov 05-Aug-2003 |
menemenlis@jpl.nasa.gov 05-Aug-2003 |
20 |
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On-the-fly spatial interpolation has been added to pkg/exf. |
Input-field spatial interpolation has been added to pkg/exf. |
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It is enabled by defining CPP option USE_EXF_INTERPOLATION |
It is enabled by defining CPP option USE_EXF_INTERPOLATION |
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in EXF_CPPOPTIONS.h or in ECCO_CPPOPTIONS.h |
in EXF_CPPOPTIONS.h or in ECCO_CPPOPTIONS.h |
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Both bi-linear and bi-cubic (#define BICUBIC) are supported. |
Both bi-linear and bi-cubic interpolation schemes are supported. |
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This package is a placeholder until more general coupler |
This package is a placeholder until a more general coupler |
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is made available by ESMF project. It assumes that input |
is made available by the ESMF project. The output grid can be |
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grid is Cartesian with arbitrary latitude increments in the |
arbitrary (cubed-sphere should be OK), but it is assumed that |
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y-direction but with equidistant longitude increments in |
the input grid is Cartesian with arbitrary latitude increments |
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in the y-direction and with equidistant longitude increments in |
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the x-direction. The input grid must encompass the complete |
the x-direction. The input grid must encompass the complete |
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output grid in the y-direction (i.e., extrapolation is not |
output grid in the y-direction (i.e., extrapolation is not |
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supported) and it is assumed that the grid is periodic in |
supported). It is also assumed that the grid is periodic in |
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the x-direction. |
the x-direction; to use the interpolation routine with a |
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non-periodic domain, make sure there is sufficient padding |
36 |
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at the edges, i.e., two points for bicubic and one for bilinear |
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interpolation. |
38 |
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39 |
The verification/global_with_exf experiment has been modified |
The verification/global_with_exf experiment has been modified |
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to use the USE_EXF_INTERPOLATION option, the input grids |
to use the USE_EXF_INTERPOLATION option, the input grids |
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*_nlon and *_nlat :: input x-grid and y-grid size |
*_nlon and *_nlat :: input x-grid and y-grid size |
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In this particular example the input and output grids are |
In this particular example the input and output grids are |
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the same, so the results of the verification experiment remained |
the same, so the results of the verification experiment remain |
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unchanged from before. |
unchanged from before. |