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| Re: Extracting from Strutures [message #73884 is a reply to message #73873] |
Mon, 06 December 2010 07:20  |
wlandsman
Messages: 743
Registered: June 2000
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Senior Member |
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On Dec 6, 5:24 am, sirvival <fpfei...@hs.uni-hamburg.de> wrote:
> My first try:
>
> for i = 0, numfiles-1 do begin
> first = where(alladdup.expo eq alladdup[i].expo)
> plot,alladdup[i].images,psym=10
> for j = 0, n_elements(first)-1 do
> oplot,alladdup[first[j]].images,psym=10,col=j+1
> endfor
>
> This gives me the plots but as expo repeats I get the same plot again
> and again
>
> Or how can I write code that for each expo a different structure gets
> written?
Perhaps you want to make a vector of unique exposure times?
expo = alladup.expo
expo = expo[ uniq(expo,sort(expo)) ]
for i = 0, N_elements(expo)-1 do begin
first = where(alladdup.expo eq expo[i])
plot,alladdup[first[0]].images,psym=10
for j = 1, n_elements(first)-1 do
oplot,alladdup[first[j]].images,psym=10,col=j+1
endfor
which presumes that you have at least 2 images at each unique exposure
time. --Wayne
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