interpolation issue...

[Stéfan van der Walt]

Hi Jérôme

2011/10/9 Jérôme Kieffer <google at terre-adelie.org>:
> First constraint: all signal in input has to appear in output:
> interpolation has to be done in "forwards" mode and can be done with 2D
> histogramming. Thanks to cython it is even 10x faster than the numpy
> implementation (0.5s for 4Mpix float64).

It's not entirely clear to me how this forward interpolation would
work.  Could you expand?

Regards
Stéfan