24 Sep
2007
24 Sep
'07
3:24 a.m.
CalComp published a book entitled, "Programming CalComp Electromechanical
Plotters" in the 1970s era that contained documentation for software
libraries for using the CalComp plotters. It's relatively obscure.
The IBM 1620 Restoration Team at the Computer History Museum needs a copy
for a project they are working on to interface a CalComp plotter to the
1620.
If you've got a copy you can provide (all they need is a photocopy or
scan) please contact Dave Babcock <dave at kaleidosoft.com>.
--
Sellam Ismail Vintage Computer Festival
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26 Sep
26 Sep
3:13 p.m.
New subject: Looking for "Programming CalComp Electromechanical Plotters" book
Sellam Ismail wrote:
The IBM 1620 Restoration Team at the Computer History Museum needs a copy
for a project they are working on to interface a CalComp plotter to the
1620.
huh. Many years ago the folks at Carleton College in Northfield MN
had a 1620 with a CalComp plotter. I've often wondered about that
plotter.
They had some really nice 3d software (written by a guy who went to
my high school, I think) which could duplicate the "hat" drawing
on the side of the plotter.
The rumor was that the Calcomp install tech bet him he couldn't do
it :-)
I have no info, sadly. I used it a little but that was it.
-brad
3:20 p.m.
New subject: Looking for "Programming CalComp Electromechanical Plotters" book
In article <200709262313.l8QND39D023345 at mwave.heeltoe.com>,
Brad Parker <brad at heeltoe.com> writes:
They had some really nice 3d software (written by a
guy who went to
my high school, I think) which could duplicate the "hat" drawing
on the side of the plotter.
What's the "hat" drawing on the side of the plotter?
--
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8:52 p.m.
New subject: Looking for "Programming CalComp Electromechanical Plotters" book
Richard <legalize at xmission.com> wrote:
In article <200709262313.l8QND39D023345 at
mwave.heeltoe.com>,
Brad Parker <brad at heeltoe.com> writes:
Gotta be the 3D plot with hidden line removal of the "Mexican hat" function,
sin(r)/r where r = sqrt(x**2 + y**2).
I didn't figure out hidden line removal until my freshman year in college!
I think it was the same trip to the shower that finally revealed why
"What's so unpleasant about being drunk?"/"Ask a glass of water!"
was
funny!
Tim.
They had some really nice 3d software (written by
a guy who went to
my high school, I think) which could duplicate the "hat" drawing
on the side of the plotter.
What's the "hat" drawing on the side of the plotter? 
27 Sep
27 Sep
9:32 p.m.
Dear Sellam Ismail,
I have got a 1039 plotter which I got from a engineering
company years ago. They used it in the 90ies with DOS
based software and they had certain libraries (I think
it was fortran) from Calcomp to use the plotter. These
libraries contained commands for e.g. drawing mathematial
diagrams, characters and so on.
Maybe I somewhere have got the documentation (a few
pages) listing the commands which are implemented in
the library.
Is this the kind of stuff you are looking for? What
type of plotter do you have got? Has this one got a
digital interface (like e.g. PCI907 or PCI906)?
Do you have got any application software on your 1620?
Best regards,
Erik.
The IBM 1620 Restoration Team at the Computer History
Museum needs a copy
for a project they are working on to interface a CalComp plotter to the
1620.
If you've got a copy you can provide (all they need is a photocopy or
scan) please contact Dave Babcock <dave at kaleidosoft.com>.
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
[ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]
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participants (5)
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brad＠heeltoe.com -
erik＠baigar.de -
legalize＠xmission.com -
sellam＠vintagetech.com -
shoppa_classiccmp＠trailing-edge.com