XArrayBilinearResampler
XArrayBilinearResampler.load_resampling_info()
XArrayBilinearResampler.resample()
XArrayBilinearResampler.save_resampling_info()
XArrayResamplerBilinear
XArrayResamplerBilinear.__init__()
Code for resampling using bilinear algorithm for irregular grids.
The algorithm is taken from
http://www.ahinson.com/algorithms_general/Sections/InterpolationRegression/InterpolationIrregularBilinear.pdf