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Re: MIP from BMP Images [message #76827 is a reply to message #76826]

Wed, 06 July 2011 12:35

M R
Messages: 19
Registered: July 2011

Junior Member

On Jul 6, 2:22 pm, David Fanning <n...@dfanning.com> wrote:
> M R writes:
>> Thank you for the feedback. I have tried the following. The errors are
>> pasted below.
>
>> arm=bytarr(2216,1254,255,/nozero)
>> for i=0,254 do begin
>> file=file_search('filepath.bmp')
>> image=read_image(file[i])
>> arm=image[i]
>> end
>> TV,MAX(arm,dimension=3)
>> end
>
>> Errors
>> % Attempt to subscript FILE with I is out of range.
>
>> Why does it say file[i] is out of range?Should I declare file as
>> another array to store the images?
>
> You might want to count how many files you actually
> found with your File_Search statement. I'm going to
> guess no more than 1, and probably zero. You can use
> a COUNT keyword to return the file count to you.
>
> You probably want something like this:
>
> files = file_search('*.bmp', COUNT=count)
> for j=0,count-1 do ....
>
> When you put an image into your arm array, you will
> want something like this:
>
> arm[*,*,j] = image
>
> But, believe me when I tell you, you are going to want
> a MUCH smaller array! ;-)
>
> Cheers,
>
> david
>
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thue. ("Perhaps thos speakest truth.")

I am desperately wishing to deal with a smaller array but
unfortunately the images are from an MRI scanner in BMP format.
Without losing much detail, I tried Jpeg but was loosing a lot of
finer details in the images. But will definitely try this and see how
it works. Thank you!

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[Message index]

		Re: MIP from BMP Images By: David Fanning on Thu, 07 July 2011 10:40
		Re: MIP from BMP Images By: penteado on Thu, 07 July 2011 10:12
		Re: MIP from BMP Images By: M R on Thu, 07 July 2011 08:15
		Re: MIP from BMP Images By: Konstantinos on Thu, 07 July 2011 08:09
		Re: MIP from BMP Images By: Konstantinos on Thu, 07 July 2011 07:57
		Re: MIP from BMP Images By: R.G.Stockwell on Wed, 06 July 2011 16:04
		Re: MIP from BMP Images By: penteado on Wed, 06 July 2011 16:18
		Re: MIP from BMP Images By: M R on Wed, 06 July 2011 13:40
		Re: MIP from BMP Images By: M R on Wed, 06 July 2011 12:41
		Re: MIP from BMP Images By: M R on Wed, 06 July 2011 12:35
		Re: MIP from BMP Images By: David Fanning on Wed, 06 July 2011 12:22
		Re: MIP from BMP Images By: M R on Wed, 06 July 2011 11:57
		Re: MIP from BMP Images By: Wout De Nolf on Wed, 06 July 2011 09:57
		Re: MIP from BMP Images By: David Fanning on Wed, 06 July 2011 10:04
		Re: MIP from BMP Images By: M R on Fri, 08 July 2011 08:13

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