Day 6: Dimensions

Day 6 of the 30 day map challenege is Dimensions, and when I read the prompt I immediately thought: I have to do something with M values. M values, you say? It&rsquo;s true that these don&rsquo;t come up as often as Z, but many spatial specifications out there allow combinations of XY, XYZ, XYM, or XYZM values. The M stands for &ldquo;measure&rdquo; because I think the original motivation was that…