Hi Stu,
This is the bug I fixed yesterday AM - the fix is on the
ftp server.
Cheers,
Bill
----------------------------------------------------------
Bill Hibbard, SSEC, 1225 W. Dayton St., Madison, WI 53706
hibbard@xxxxxxxxxxxxxxxxx 608-263-4427 fax: 608-263-6738
http://www.ssec.wisc.edu/~billh/vis.html
On Thu, 24 Aug 2000, Stuart Wier wrote:
>
> While resampling a 3D data set (a FlatField) "g3ds" into
> another FlatField which is a 2D slice across the 3D data,
> I get some unexpected values produced.
>
> The max/min values of the 3D grid are 52.45282, -23.908264
>
> use of "resample" without specifying sampling mode:
>
> newffld = (FlatField)ffld.resample(g3ds);
>
> or using
> newffld = (FlatField)ffld.resample(g3ds,
> Data.WEIGHTED_AVERAGE,
> Data.NO_ERRORS);
>
> gets a new FlatField whose max, min are 320.39398, -135.35602
> -- larger than the original grid's max and min. Since this
> is humidity data it is also surprizing to see a value over 100.
>
> However use of
>
> newffld = (FlatField)ffld.resample(g3ds, Data.NEAREST_NEIGHBOR, NO_ERRORS);
>
> gives a reasonable 2D Field whose max, min are 39.018806, -11.9811945
>
> What's going on?
>
>
> Stu Wier
>
> Unidata Program Center
> UCAR
> P.O. Box 3000
> Boulder, CO 80307
> Unidata home page: http://www.unidata.ucar.edu/
>
