This is a function to generate a joyplot movie (.avi), such as from calcium imaging data.

• Run start.m to begin.
• See joy.mp4 for an example.

Example data from Siniscalchi MJ et al., Nat. Neurosci., 19, 1234-42 (2016). https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5003707/