Commit f4e2e86b by Uwe Schulzweida

### Docu update.

parent 6e5ce653
 ... ... @@ -22,14 +22,16 @@ For a grid with 2N points between the poles (so 4N grid points in total around t linear grid: the shortest wavelength is represented by 2 grid points → 4N ≃ 2(TL + 1) quadratic grid: the shortest wavelength is represented by 3 grid points → 4N ≃ 3(TQ + 1) cubic grid: the shortest wavelength is represented by 4 grid points → 4N ≃ 4(TC + 1) @EndifMan @C cubic grid: the shortest wavelength is represented by 4 grid points → 4N ≃ 4(TC + 1) @IfDoc @bold{linear grid}: the shortest wavelength is represented by 2 grid points → 4N \$\simeq\$ 2(TL + 1) @bold{quadratic grid}: the shortest wavelength is represented by 3 grid points → 4N \$\simeq\$ 3(TQ + 1) @bold{cubic grid}: the shortest wavelength is represented by 4 grid points → 4N \$\simeq\$ 4(TC + 1) @EndifDoc @C @bold{cubic grid}: the shortest wavelength is represented by 4 grid points → 4N \$\simeq\$ 4(TC + 1) The quadratic grid is used by ECHAM and ERA15. ERA40 is using a linear Gaussian grid reflected by the TL notation. ... ... @@ -39,7 +41,7 @@ The following table shows the calculation of the number of latitudes and the tri @bold{Gridtype} & @bold{Number of latitudes:} nlat & @bold{Triangular truncation:} ntr linear & NINT((ntr*2 + 1)/2) & (nlat*2 - 1) / 2 quadratic & NINT((ntr*3 + 1)/2) & (nlat*2 - 1) / 3 @C cubic & NINT((ntr*4 + 1)/2) & (nlat*2 - 1) / 4 cubic & NINT((ntr*4 + 1)/2) & (nlat*2 - 1) / 4 @EndTable @EndDescription @EndModule ... ...
 ... ... @@ -4437,6 +4437,8 @@ static const std::vector WindHelp = { " ", " quadratic grid: the shortest wavelength is represented by 3 grid points → 4N ≃ 3(TQ + 1)", " ", " cubic grid: the shortest wavelength is represented by 4 grid points → 4N ≃ 4(TC + 1)", " ", " The quadratic grid is used by ECHAM and ERA15. ERA40 is using a linear Gaussian grid reflected by the TL notation.", " ", " The following table shows the calculation of the number of latitudes and the triangular truncation for the different grid types:", ... ... @@ -4444,6 +4446,7 @@ static const std::vector WindHelp = { " Gridtype & Number of latitudes: nlat & Triangular truncation: ntr ", " linear & NINT((ntr*2 + 1)/2) & (nlat*2 - 1) / 2", " quadratic & NINT((ntr*3 + 1)/2) & (nlat*2 - 1) / 3", " cubic & NINT((ntr*4 + 1)/2) & (nlat*2 - 1) / 4", "", "OPERATORS", " dv2uv Divergence and vorticity to U and V wind", ... ...
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