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!**********************************************************************
! 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
[此贴子已经被作者于2004-5-19 8:53:26编辑过]
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