Summary of things to ask students to do:
- Read density images (txt files) into Python
- Compute density gradient at each pixel in the image for a bunch of images
- Make schlieren movie out of the density gradient files
- For density images between 1 - 10 us cut the image over the central plane of the kernel and plot Density vs. Radius. Obtain Temperature vs. Radius for a given pressure of 1 atm using equation of state.

Read density data.
Compute density gradient for each image
Make Schlieren image for each "frame"



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Goal: 
Plot 
Density vs. radius.
Obtain Temperature vs radius (at 1 atm).
	Use the pressure data to compute the temperature with the equation of state.