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Grading Overview
Using breakpoints
Your grading rule can specify a different grade for different size ranges. For instance, each size up to size 12
might be an inch larger in the waist than the previous size. Then each size larger than 12 might be 1 - ½ inches
larger in the waist. Your grading rule can have "breakpoints" at certain sizes where the grade rule changes.
Use the EDIT ARROW command to view and set an arrow's breakpoints. If you want to keep grade without breaks,
just set the dX and dY values for Layer 0 and leave the rest blank.
When you first create an arrow, the only breakpoint is at Layer 0. This means that when you grade the object, the
increase from each size to the next size will be the same. Many pattern cutters do not use a constant grade. For
instance, all sizes up to size 8 might grade one way, then there will be a larger increment for sizes 8 - 14, then a
larger increment for sizes above 14. The sizes at which the grade increments change are called breakpoints.
Note: Each arrow in your drawing has its own break points and values. It is possible for
different arrows in the same pattern to have breaks at different sizes. If you want them to all
break the same way, you have to set the breaks in each arrow.
Set or clear a breakpoint for a layer by clicking in
the corresponding "Break" box. (Or, if you enter
values in the blank dX and dY areas, the layer will
automatically become a breakpoint.)
A "B" appears in the box if that layer is a
breakpoint.
To remove a breakpoint, click on the break point
box with a "B" in it and the "B" will disappear.
Then the dX and dY values will follow the last
previous breakpoint.
See also:
Arrow display modes
EDIT ARROW command
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