Sometimes I have to write stuff so I won't forget how to do it. This is one of those times. In my recent post on the angular size of a soccer goal, I created a contour plot. Despite what you might ...

"Given a triangle of vertices $V_k$, $k=0, 1, 2$, indexed such that the sequence $V_0, V_1, V_2$ is run in counter-clockwise\n", "direction, like in the figure below ...

While browsing the plotly.js documentation to understand how to make ternary contour plots, I noticed an inconsistency. Indeed, what is presented as an example for ternary contour plots seems to be a ...