█计算某像高(field)MTF，一定要计算所有像高，再由buffer中搜寻？

victorrose · 发表于 2006-9-25 06:19:00

■■■问题 1.要计算某特定像高(field)的MTF时，是否一定要计算所有像高的MTF，然后由buffer中去搜寻？ 2.以下「自行创建的macro」是否可再修改更精简？■■■使用的档案cooke1.len RES cv_lens:cooke1.len■■■执行自行创建的macro in "C:\optics\CODEV940\macro\my_macro\mtf__one_field__input_fieldno_freq.seq" 2 30■■■macro内容如下 ! Purpose: To compute the MTF of a given field and spatial frequency!*************************************************************************** ! arg0 "Macro to calculate the MTF of a given field and spatial frequency" ! ! arg1 name "field no." ! arg1 type num ! arg1 default 0 ! arg1 help "field no." ! ! arg2 name "Spatial Frequency (lp/mm)" ! arg2 type num ! arg2 default 0 ! arg2 help "MTF spatial frequency used to calculate the MTF" !***************************************************************************** lcl num ^freq lcl num ^i ^j ^jj lcl num ^mtfs(25,18) lcl num ^mtft(25,18)ver n ^field_no == #1 ^freq == #2if ^field_no (num f) wri "Maximum field number is :" (num f) rtn end ifout n buf del b0 buf mtf mfr ^freq ifr ^freq plo fre n go buf n out yfor ^i 1 ^field_no buf fnd b0 "DIFFRACTION LIMIT" buf mov b0 ic+5 end for^j == 4+(nfo) ^frequency == (buf.num b0 ic j1) ^mtfs(^i,^j) == (buf.num b0 ic j^j) ^mtft(^i,^j+1) == (buf.num b0 ic j^j+1)wri q"(nfo)= '2d' ,^i= '2d' ,^j= '2d'" (nfo) ^i ^j wri q"field= '2d' ,^frequency= '3d' ,^mtfs('2d','2d')= 'd.3d'" ^field_no ^frequency ^i ^j ^mtfs(^i,^j) wri q"field= '2d' ,^frequency= '3d' ,^mtft('2d','2d')= 'd.3d'" ^field_no ^frequency ^i ^j+1 ^mtft(^i,^j+1)!■ Delete the buffer out n buf del b0 out ygo■■■结果 (nfo)= 1 ,^i= 3 ,^j= 5 field= 2 ,^frequency= 30 ,^mtfs( 3, 5)= 0.088 field= 2 ,^frequency= 30 ,^mtft( 3, 6)= 0.367

Iswear · 发表于 2006-10-2 16:34:00

Here are two methods for your reference1. buf y;in mtftab;buf n / write an easy macro to get information from buffer.2. Through Code-v default optical functions - MTF_1FLD, you can get information from the user manuel.Good Luck!

victorrose · 发表于 2006-11-11 21:49:00

Thank you very much. Whould you give some example if these two items?

█计算某像高(field)MTF，一定要计算所有像高，再由buffer中搜寻？

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