The original version of the code would blend the colors of adjoining sections into each other as can be seen in the attached screenshot. <img width="969" alt="shark_viewer" src="https://user-images.githubusercontent.com/10181/52299996-cf18a000-2954-11e9-90ea-71171115877d.png"> The new version is no longer doing this. Most likely something in the shader has changed. <img width="669" alt="shark_viewer" src="https://user-images.githubusercontent.com/10181/52300083-fcfde480-2954-11e9-8781-5886ee5ab39f.png">
The original version of the code would blend the colors of adjoining sections into each other as can be seen in the attached screenshot.
The new version is no longer doing this. Most likely something in the shader has changed.
