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Re: image size [message #9975 is a reply to message #9971]

Thu, 18 September 1997 00:00

pit
Messages: 92
Registered: January 1996

Member

In article <34200F01.C40@ndsi.ibb.ch>,
Nicolas Stern <ih6stn@ndsi.ibb.ch> writes:
> Did anyone see something similar happen :
> I use write_tiff to save arrays as true color image.
>
> array_1=bytarr(512,512)
> array_2=bytarr(512,512)
> array_3=bytarr(512,512)
> array_1[*,*]=255
> array_2[*,*]=10
> array_3[*,*]=10

you mean array_?(*,*)

> WRITE_TIFF, 'test.tif',
> RED=array_1,GREEN=array_2,BLUE=array_2,PLANARCONFIG = 2

I assume you use tiff_write!?

> Now, when I open the test.tif image with an image processing soft (PSP,
> v4.0), the image size is 491*491 ! Saving a 512*512 byte array as a
> grayscale image doesn't produce a similar artefact ! (I suppose the
> problem does not come from IDL.)

Tested it (Linux, IDL 4.0, viewer XV). No problems at all, correct
sizes and correct color.
What System are you using?

Peter

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[Message index]

		Re: image size By: pit on Fri, 19 September 1997 00:00
		Re: image size By: David Foster on Thu, 18 September 1997 00:00
		Re: image size By: Nicolas Stern on Thu, 18 September 1997 00:00
		Re: image size By: pit on Thu, 18 September 1997 00:00

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