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How does the Transform Scale change the XYZ coordinates?
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The Transform module's Scale operation can operate around any point of an object.

For example, consider a data set with Z values as follows:

Z Min: 90
Z Max: 100
Range: 10
Midpoint: 95

Apply a Z Scale of 0.1 and the results are:

Z Min: 94.5
Z Max: 95.5
Range: 1
Midpoint: 95

The Z Min and Z Max are calculated by multiplying the Scale by the range, dividing by 2, and adding or subtracting from the midpoint.

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