gen_3D_array_video.py: Beginnings of a way to generate videos from 3D arrays (first dim is time).
gen_3D_array_video.py: Removed commented old code.
gen_3D_array_video.py: Changed interval between frames.
gen_3D_array_video.py: Note on why the image is constructed the way it is.
gen_3D_array_video.py: Added a comment about why imshow must be used instead of matshow.
gen_3D_array_video.py: Turned off interpolation between points.