The code below, which is a PLOT structure, seems to be one of the more efficient forms of specifying individual colors for each point in a 2D point plot.
My central question is: what plotting command will construct this?
STYLE(POINT), AXESLABELS("", ""), VIEW(0 .. 10, 0 .. 10),
I know that I can call `plot` and pass the m-by-2 Matrix of point data, and specify style=point. But how can I pass in such a nice, efficient float Array to specify the points' colors? I know that the float Array is leaner than a long sequence of HFloats. But even in the simpler case of just two points: how can one pass the `color` option just once to specify the colors to be used for each of the points?
Oh, in case anyone's interested, another old-fashioned (but terser) was to get such a float, C_order Array is with the `hfarray` command.