HP 7470A Interfacing And Programming Manual page 214
Graphics plotter
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Also See for 7470A:
- Operator's manual (41 pages) ,
- Interfacing and programming manual (114 pages) ,
- Service manual (141 pages)
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E. Determine the Values for P1 and P2 which were set using DF
or IN-commands:
P1 = 250,279
P2 = 10 250 , 7479
therefore
Plx = 250
Ply = 279
P2x = 10 250
P2y = 7479
F. Solving for X and Y:
P2
- P1
P2
—P1
X:-';'—X
U2x _ Ulx
U2x _ Ulx
10 250 —250
10 250 —250
+g
2500cost+12500+250-0
——:
25000-0
25000—0
0.4 (2500 cos t + 12 500) + 250 ~ 0
1000 cos t + 5250
ll
P2
—P1
P2
—P1
Y= _.y__y
Ay+P1y_U1y—'——¥
U2y _ Uly
U2y _ Uly
7479 —279
_
7479 —279
+ —-—— 2500 s1nt+9000+279—0 ——
18000-0
18000-0
0.4 (2500 sin t + 9000) + 279 - 0
1000 sin t + 3879
G. Sending the following program will plot the required circle
using the default P1 and P2.
H
10
PRINT "IP250,2?9,lO25D,T"?9;SP1"
20
FUR T=O TU 2%PI
STEP PIMEO
30
X=1OOU%COStT)+525O
40
"r'=1OOU%éSIr~HZT)+:38?8
50
PRINT "F'Fi";2><;'1';"PD"
BU
I-~-JE><T T
?"
PRINT " SPO"
C-4 REFERENCE MATERIAL
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