Stephen <mca### [at] aolcom> wrote:
> I'm thinking of the value that the `density` statement passes to the
> media statement. Which it gets from the df3 file

Is it possible your thinking of the hf_gray_16 output file, of which the docs
say:

height = 0.3 * red + 0.59 * green + 0.11 * blue

I took a look at the documentation regarding df3 and didn't see anything
relating to this same formula, except I'm going to guess it might be used when a
df3 is put into a normal {} statement.

I sure can't say what's what about this, just thought I would mention what it
made me think of and that was the height field formula above.

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