On 07/15/2016 05:47 PM, Paul Koning wrote:
Graphics terminals were quite rare in the early 1970s,
at least at a
cost allowing them to be installed in the hundreds, and with
processing requirements low enough for that. I remember, around the
same time, the Tektronix 4010. But that was far less flexible; it
could only draw, not erase, unlike the PLATO terminals.
Surely you remember CDC IGS from the 70s. I loved watching the displays
being drawn on those big radar CRT displays--one color while drawing and
persisting in another.
They were "terminals" of a sort, no?
--Chuck