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Syntax
SPIRAL arg1 arg2 arg3 arg4
Description
A spiral is added to the previous element. Start point and angle are determined by the previous element.
Arguments
Minimum quantity: 4
arg1
Value |
Dimension |
Meaning |
KKA |
KEYWORD |
Spiral defined by 2 curvatures and normalization parameter A. |
KKL |
KEYWORD |
Spiral defined by 2 curvatures and the length. |
RRA |
KEYWORD |
Spiral defined by 2 radii and normalization parameter A. |
RRL |
KEYWORD |
Spiral defined by 2 radii and the length. |
arg2
Value |
Dimension |
Meaning |
k1 |
1/LSTRUCTD |
Start bend (1/r); if arg1 = KKA or arg1 = KKL |
r1 |
LSTRUCTD |
Start radius; r1 <= 1.e-8, then k1 = 0.0; in case of arg1 = RRA or arg1 = RRL |
arg3
Value |
Dimension |
Meaning |
k2 |
1/LSTRUCTD |
End bend (1/r); if arg1 = KKA or arg1 = KKL |
r2 |
LSTRUCTD |
End radius; r2 <= 1.e-8, then k2 = 0.0; in case of arg1 = RRA or arg1 = RRL |
arg4
Value |
Dimension |
Meaning |
A |
DOUBLE |
Spiral normalization A*A = R*L |
length |
LSTRUCTD |
Length of spiral |
Scopes
PLAN
Examples
SPIRAL KKL 0 -0.005 65
Spiral with an end radius of -200 and a length of 65 is added.
SPIRAL RRL 0 -200.0 65
Spiral with an end radius of -200 and a length of 65 is added.
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