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Spherical interpolation [message #9472] Wed, 02 July 1997 00:00
David Theil is currently offline  David Theil
Messages: 11
Registered: May 1996
Junior Member
I am reprojecting longitude and latitude data into a Mollweide
projection using the "WCS" family of routines from the idl
astronomy library. As expected this creates gaps in the reprojected
data array. I thought that SPH_SCAT would be a good way of
filling in the gaps.

SPH_SCAT calls TRIANGULATE which proceeds to crash IDL 4 with
a segmentation fault(!) in UNIX.

In IDL 5 there is no crash, but I get the following undocumented error:

% TRIANGULATE: Points are co-linear, no solution

Does anyone have any ideas of some other way I can fill in the gaps or
some way to make SPH_SCAT work for me?

Thanks.

David Theil

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