!********************************************************************** ! arg0 "Calculate the mtf, it improve the diagraph's readable" ! arg0 "Give the mtftab. writed by doffery 2003-08-12" ! ! arg1 name "Maximum frequency" ! arg1 type num ! arg1 default 25 ! arg1 help "Maximum spatial frequency in lp/mm." ! ! arg2 name "Sampling number" ! arg2 type num ! arg2 default 25 ! arg2 help "The spatial frequency sample precision" ! ! arg3 name "Wave number" ! arg3 type num ! arg3 default 0 ! arg3 help "The wavelength of plot mtf" ! ! arg4 name "Zoom Pos." ! arg4 type num ! arg4 default 1 ! arg4 help "Zoom postion" !********************************************************************** rfd 25 25 0 1 lcl num ^numfld ^diffs(100) ^mtfs(25,100) ^mtft(25,100) ^i ^j lcl num ^step ^color(12) ^cl ^fld(25) ^numw ^wtw(10) ^wl(10) lcl num ^fheight ^fwidth
^color(1) == 1 ^color(2) == 2 ^color(3) == 3 ^color(4) == 10 ^color(5) == 4 ^color(6) == 12 ^color(7) == 8 ^color(8) == 11 ^color(9) == 14 ^color(10)== 13 ^color(11)== 15
^mfre == #1 ^step == #2 ^numfld == (num f) ^ifre == ^mfre/^step
^numw == (num w) for ^i 1 ^numw ^wl(^i) == (wl w^i) ^wtw(^i) == (wtw w^i) end for
for ^i 1 ^numfld if (typ fld)="ANG" ^fld(^i) == (yan f^i) else if (typ fld)="OBJ" ^fld(^i) == (yob f^i) else if (typ fld)="IMG" ^fld(^i) == (yim f^i) else if (typ fld)="RIH" ^fld(^i) == (yri f^i) else ^fld(^i) == 0 end if end for
if (num z)1 and #4(num z) wri wri "Zoom position out of range" wri "Syntax: in Mtfplus freq1 [steps [zoom]]" wri ver y rtn end if
if (num w)1 and #3(num w) wri wri "wave number out of range" wri "Syntax: in Mtfplus freq1 [steps [wave [zoom]]]" wri ver y rtn end if
ver n out n save
if #3 = 1 wl ^wl(#3) wtw 1 end if
if (num z)1 dez #4 end if
nfo 1 ffo 0 ifo 0 vux f1 (vux f1)+.001 ！使中心不对称
! 计算MTF并将结果输入B0缓冲区 BUF DEL B0 ! clear B0 buffer BUF YES ! turn on output buffer to collect output mtf mfr ^mfre ifr ^ifre plo fre n go BUF NO ! turn off output buffer ! Loop through field, using BUF FND to locate data of interest ! "DIFFRACTION LIMIT" is reference point for start of MTF data ! sagittal is 6 lines below, 4 columns over ! tangent. is 6 lines below, 5 columns over
BUF FND "DIFFRACTION LIMIT" ! find first occurrence for ^i 1 ^numfld for ^j 1 ^step !^row == 4+^j ^line == (buf.i)+4+^j if (^i = 1) ^diffs(^j) == (buf.num i^line jc+2) end if ^mtfs(^i,^j) == (buf.num i^line jc+4) ^mtft(^i,^j) == (buf.num i^line jc+5) end for BUF FND ! find next occurrence end for
!绘图初始化 pth seq cv_macr in initplt $pltfile 'test.plt' ^fheight == 7.75 ^fwidth == 10 $mov 0 0 $rect ^fwidth ^fheight $mov 0 0 $rect ^fwidth 0.5 $mov 1 1 $rect 8 6 $mov 0.25 0.2 $lsiz 0.15 $lab (tit) $mov ^fwidth-3 0.2 $lab (ini) $mov ^fwidth-1.8 0.2 $lab (dat) $col 8 for ^i 1 9 1 $mov 1+^i*0.8 1 $rdra 0 6 end for for ^i 1 9 1 $mov 1 1+^i*0.6 $rdra 8 0 end for $col 0
!画MTF标签 $ldir -90;$lsiz 0.15*0.8 $mov 0.85 0.80;$lab '0.0';$rmov 0 1.2;$lab '0.2';$rmov 0 1.2;$lab '0.4';$rmov 0 1.2;$lab '0.6'; $rmov 0 1.2;$lab '0.8';$rmov 0 1.2;$lab '1.0'; $mov 0.25 3 $lsiz 0.15 $lab 'M O D U L A T I O N' !画FRE标签 $mov 0.82 0.75 $lsiz 0.15*0.8 $ldir 0 for ^i 1 10 $rmov 0.8 0 ^x== num_to_str(^i*^mfre*0.1) ^j==locstr(^x,'.') if ^j ^x==substr(^x,1,^j+1) else ^x==concat(^x,'.0') end if $lab ^x end for $lsiz 0.15*0.5
!画MTF曲线 for ^i 1 ^numfld !设置COLOR if (^i22) ^cl == ^i-22 else if (^i11) ^cl == ^i-11 else ^cl== ^i end if $col ^color(^cl)
$mov 1 7 for ^j 1 ^step $sym ^i $dra ^j*8/^step+1 ^mtfs(^i,^j)*6+1 end for $mov 1 7 for ^j 1 ^step $dra ^j*8/^step+1 ^mtft(^i,^j)*6+1 end for end for ! 画Diffraction Limit MTF $col 0 $mov 1 7 ^sing == -1 for ^j 1 ^step ^sing == ^sing * (-1) if (^sing = 1) $col 7 else $col 9 end if $dra ^j*8/^step+1 ^diffs(^j)*6+1 end for $col 0 $lsiz 0.11 $mov 5-lenstr('SPATIAL FREQUENCY (CYCLES/MM)')*0.11/2 0.55 $lab 'SPATIAL FREQUENCY (CYCLES/MM)'
!画标记，代表视场的DOT类型 $col 0 $lsiz 0.11 $mov 1 7.5 for ^i 1 ^numfld if (^i22) ^cl == ^i-22 else if (^i11) ^cl == ^i-11 else ^cl== ^i end if $col ^color(^cl) $rmov 0.5 0 $sym ^i end for
$mov 0.92 7.2 $col 0 for ^i 1 ^numfld if (^i22) ^cl == ^i-22 else if (^i11) ^cl == ^i-11 else ^cl== ^i end if $col ^color(^cl) $rmov 0.5 0 ^x== num_to_str(^fld(^i)) ^j==locstr(^x,'.') if ^j ^x==substr(^x,1,^j+1) else ^x==concat(^x,'.0') end if $lab ^x end for
$mov 7.25 7.55 if (#3 = 1) $mov 7.25 7.2 $col #3 $lab concat(concat('wavelength: ',num_to_str(^wl(#3))),'nm') else for ^i 1 ^numw $col ^i $lab concat(concat('wavelength: ',num_to_str((wl w^i))),'nm') $rmov 0 -0.2 end for end if
$mov -0.1 -0.1 $col 0 $ldir -90 $lsiz 0.12 $lab (tim) $endplt dpl test ver n out n lib;del test.*.plt; !for ^i 1 100 1 !^name == concat("s.",num_to_str(^i)) !^name == concat(^name,".seq") !del $name !end for go in cv_macrmtftab ^mfre ^ifre "NO" ver n out n res out y ver y
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