我也不清楚,这是从帮助里面抄过来的 :4U0I:J#
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Focus Merit Function Target Tab *N`;I@Q"[
This tab contains diagnostic data that can help you improve your optimization. ~+=E"9Oo
• Focus To *CzCUu:%t
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– Receiver Center - This is the default setting for the Focus merit function. Focuses to the center of the receiver (which is X, Y = 0, 0 by default). 0_Lm#fE U
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– Rays Centroid - Focuses to the centroids of X and Y. Use this option when the final location for the rays in unknown prior to optimization. q#jEv- j.
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– Line Along X - Focuses rays along the X axis at the location specified by the value for Y. QTfu: m{
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– Line Along Y - Focuses rays along the Y axis at the location specified by the value for X. a&N