[daip] Stripes

[Eric Greisen]

Johan van der Walt writes:
 > What does it mean if the dirty map only shows a lot of diagonal
 > stripes that run across the image? 
 > 
 > Is there any specific way the dirty map should look like if there is
 > no point source on the map?
 > 
These mean that you have 1 very bad uv sample somewhere.

Run FFT on the dirty image and look at the output for a very high
point.  The output is complex and you may wqant to use COMB to take
the amplitude.

Eric Greisen