File:Nearest2DInterpolExample.png

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Summary

Description Illustration of en:Nearest neighbor interpolation on a dataset. Compare with File:BilinearInterpolExample.png and File:BicubicInterpolationExample.png, they share the dataset.
Source Own work in en:Matlab
Author Berland
Other versions
File:Interpolation-nearest.svg is a vector version of this file. It should be used in place of this PNG file when not inferior.

File:Nearest2DInterpolExample.png → File:Interpolation-nearest.svg

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Matlab code

[Xcoarse, Ycoarse] = meshgrid([0 1 2 3], [0 1 2 3]);
[Xfine, Yfine] = meshgrid(linspace(0,3,300), linspace(0,3,300));
DataCoarse = [ 1 2 4 1; ...
               6 3 5 2; ...
               4 2 1 5; ...
               5 4 2 3];
DataNearestFine  = interp2(Xcoarse, Ycoarse, DataCoarse, Xfine, Yfine, 'nearest');
figure
surf(Xfine, Yfine, DataNearestFine); shading flat; colormap(jet); view(0, 90)
hold on; plot3(Xcoarse, Ycoarse, 10*ones(size(Xcoarse)), 'k.', 'MarkerSize', 20)
colorbar
print -dpng -r200 Nearest2DInterpolExample.png

PNG file have also been cropped before uploading

Licensing

Public domain This work has been released into the public domain by its author, Berland. This applies worldwide.
In some countries this may not be legally possible; if so:
Berland grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.


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Date/TimeThumbnailDimensionsUserComment
current11:53, 3 June 2010Thumbnail for version as of 11:53, 3 June 20101,316 × 1,038 (9 KB)Aiyizolosslessly converted to 66 color mode.

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