[GRASS-dev] spline interpolation over time series

[Sören Gebbert]

Hi,
Nikos is absolutely right, the ideal candidate for spline interpolation in
time for raster maps is r.series.interp. There is no other module that
performs temporal interpolation.

Best regards
Soeren


2013/6/16 Nikos Alexandris <nik at nikosalexandris.net>

> Margherita Di Leo wrote:
> > Hi all!
> >
> > I need to analyse several MODIS in time, and calculate the temporal
> spline
> > interpolation (for each pixel), then pick the values (date and value) on
> > the spline function corresponding to percentiles 25, 50, 75, maximum,
> > minimum and average.
>
> > I know that with r.series I can get max, min and average, but I can't
> > currently apply a spline interpolation. I'd like to know if in the
> temporal
> > modules there's something to do that or I should hack the r.series in
> order
> > to add the spline interpolation.
>
> Maybe r.series.interp is a good/the proper candidate to receive such an
> addition?
>
> Nikos
>
> > I found this
> >
> http://docs.scipy.org/doc/scipy/reference/tutorial/interpolate.html#spline-i
> > nterpolation that
> > I can probably use for the scope.
>
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