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Section 5
5-25
JTORIG causes the program to use a different origin than (0,
0, 0) for all of the joints entered with this JOINT COORDINATES
command. It is useful in instances such as when the center of
cylinder is not at (0, 0, 0) but at a different point in space. The
JTORIG command should be entered on a separate command line.
Basically after the joint coordinates are entered or generated, then
the xOrigin, yOrigin, and zOrigin values are added to the
coordinates. For example a cylinder could be generated about the
Y axis then moved by this command to its proper place. To create
multiple offset structural parts, enter additional JOINT
COORDINATES commands, each one followed by its JTORIG
command. An example showing the use of this command is
provided later in this section.
The multiple JOINT COORDINATES command concept allows
UNIT changes and PERFORM ROTATION commands in between,
such that these commands would apply to a selected portion of the
joints. However, the PERFORM ROTATION command applies to
all prior defined joints, not just those in the previous JOINT
COORDINATE command.
NOREDUCE BAND causes the program to execute without
performing a bandwidth reduction.
Example
JOINT COORDINATES NOREDUCE BAND
The REPEAT command causes the previous line of input to be
repeated ‘n’ number of times with specified coordinate increments.
The REPEAT ALL command functions similar to the REPEAT
command except that it repeats all previously specified input back
to the most recent REPEAT ALL command, or all joint data if no
previous REPEAT ALL command has been given. Note: Use
“REPEAT ALL 0” to start a section of data to be repeated if
necessary. (When using the REPEAT and REPEAT ALL
commands, joint numbering must be consecutive and should begin
with 1.)