.. index:: ! nearest_grid         

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nearest_grid      
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Synopsis
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**nearest_grid** *input.grd output.grd [search_radius]*

Description
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**nearest_grid** Interpolation algorithm used within :doc:`snaphu_interp.csh`                      
   
  NaNs will be interpolated to its nearest neighbour 

Required Arguments
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*input.grd*

	Input grid file

*output.grd*

	Output grid file

Optional Argument
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*search_radius*

	Distance used to search for non-Nan pixels in the area of the current pixel

Example
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 ::

    nearest_grid