[net.graphics] flood vs. fill

newman (04/19/83)

Uhmm I beg to differ. You are almost correct in your point about joining
the vertices of a polygon and then using area flood to do polygon fill,
however this incorrectly presumes the existence of a unique pixel value
you draw the lines with to make up your border. To me you cannot make
such an assumption if you really don't know the values in the frame
buffer, hence I would not call area flooding "more general" than true
polygon fill, or vice versa. They are quite different approaches. If
you wish a reference, try p.456, Fundamentals of Interactive Computer
Graphics, Foley and Van Dam, Addison-Wesley. Let's take this out of 
net.micro anyway.

Ken N.