Hello. To analyze an experiment, I would like use a rectangular interrogation area. I know that I need to modify 'piv_FFTmulti.m' for that but the variable 'interrogationarea' is often used in the code. Did anyone already do that? This question was already asked in May 2016 but not solved.
Hi, that is not very easy as the variable is used in many spaces, and the tool expects that it is square.
I don't know what you want to do, but as a dirty workaround,you could e.g. scale the width of your input images by 2...
I followed your advice and it works. The problem is I can not control the step for a multipass PIV analysis, I want to have an overlap larger than 50% not only for the first pass. I edited a new post about that.