Commits on Aug 27, 2020

1. Fixing a problem with lost resolution in imshow …

   imshow would assume an image would cover the whole plot which sometimes,
   when the intent was to just plot in a small part of the image resulted in
   a lot of lost resolution.
   
   This happened because the created mesh grid was stretched to cover the
   whole screen, and then only a small part of the mesh was actually used.
   
   The lost resolution was proportional to the amount of space the image
   used in the plot, so an image that was set to show in 10% of the width,
   only kept 10% of its resolution.
   
   There are other factors, like regrid_shape, that can also affect the
   resolution of the output and a very, very large regrid_shape could
   compensate for this problem at the cost of computation time.

   

   dbratell committed Aug 27, 2020
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