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STAAD Commands and Input Instructions
Section 5
5-26
* i
1
= The joint number for which the coordinates are
provided. Any integer number within the limit (see
section 5.2 for limit) is permitted.
x
1
, y
1
and z
1
= X, Y & Z (R, θ & Z for cylindrical or R, Y & θ for
cylindrical reverse) coordinates of the joint.
For PLANE analyses z
1
is an optional data item when defining
input for individual joints. z
1
is always required for joint
generation. The following are used only if joints are to be
generated.
* i
2
= The second joint number to which the joint
coordinates are generated.
x
2
, y
2
, and z
2
= X, Y & Z (R, θ & Z for cylindrical or R, Y & θ for
cylindrical reverse) coordinates of the joint i
2
.
i
3
= Joint number increment by which the generated
joints will be incremented. Defaults to 1 if left out.
n = Number of times repeat is to be carried out. “n”
cannot exceed 150 in any one single REPEAT
command.
xi
k
, yi
k
& zi
k
= X, Y & Z (R, θ & Z [R, Y & θ]) coordinate
increments for k th repeat.
The X, Y and Z (R, θ & Z [R, Y & θ]) coordinates will be equally
spaced between i
1
and i
2
.
* The REPEAT command uses the highest joint number entered so
far plus one for the intermediate generated joint numbers.
Example 1
JOINT COORDINATES
1 10.5 2.0 8.5
2 0.0 0.0 0.0
3 5.25 0.0 8.5 6 50.25 0.0 8.5
In this example, X Y Z coordinates of joints 1 to 6 are provided.
The joints between 3 & 6 will be generated with joints equally