title: How to make a grid equidistance grid from a dataframe
body: <p>I have a matrix of dataframe 128x128 and I want to make it equidistance for interpolation how can I do it? Here is the grid from that data frame and now there are points that are not the same distance.How can I make this uniformly spaced.  <a href="https://i.stack.imgur.com/HmvVu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HmvVu.png" alt="enter image description here" /></a></p>