[Users] Is there a better way to deal with grid arrays in ETK?

刘屿 yuliumutian at gmail.com
Thu May 14 10:02:50 CDT 2020

Dear Cactus users,

It is introduced in the UsersGuide of Cactus that the grid arrays can only
be determined by function calls, rather than the quicker methods available
for GFs. But is there a better way to deal with the grid arrays so far?

I am trying to analyze some physical quantities in equatorial plane, and
get the grid function in spherical coordinates by interpolation. It doesn't
seem so convenient, if I define this new variable as grid arrays,

Thank you
best regards
Yu Liu
PhD Student
Department of Astronomy
Beijing Normal University
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