Like this question that was asked before - Transform regular lat/lon to rotated lat/lon I am working with climate data and I need to transform zonal and meridional velocities (u and v) from regular lat lon to rotated lat lon. What more do I need to for transforming zonal and meridional velocities than what was done for position ? I saw this document here- http://jgrib.sourceforge.net/docs/rotLatLon.pdfbut I need some clarification on what this means -
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We also want to rotate horizontal vectors such as the wind. For this we need to calculate the meridional convergence at our position P. The convergence is defined as the local angle
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<blockquote>
We also want to rotate horizontal vectors such as the wind. For this we need to calculate the meridional convergence at our position P. The convergence is defined as the local angle
أكثر...