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Re: Poltting with TVSCL [message #93454 is a reply to message #93453]

Wed, 20 July 2016 01:52

Helder Marchetto
Messages: 520
Registered: November 2011

Senior Member

On Wednesday, July 20, 2016 at 8:38:54 AM UTC+2, dave poreh wrote:
> Folks,
> Hi,
> I am plotting some gray images. I need to use TVSCL, but i need to impose to plot between two limits that i want to be. I mean my images are between 0 and 1, but the max and min of them are different. I need to plot them *all* in [min, max] that I am going to give them. So I can tell that my images have got same min and max...
> Thanks for any kind of help in advance,
> All the best,
> Cheers,
> Dave

Hi,
I think you need to use the tv procedure and pass your image with the bytscl function:

tv, bytscl(img, min=min, max=max)

or if you prefer:

tvscl, bytscl(img, min=min, max=max)

The result, using tvscl or tv, will be the same.

For bytscl, see: http://www.harrisgeospatial.com/docs/BYTSCL.html

Cheers,
Helder

PS: there are loads of better image display procedures. Just to mention two: cgImage and image(). Both give you the possibility to do the above.

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[Message index]

		Poltting with TVSCL By: d.poreh on Tue, 19 July 2016 23:38
		Re: Poltting with TVSCL By: Helder Marchetto on Wed, 20 July 2016 01:52
		Re: Poltting with TVSCL By: d.poreh on Thu, 21 July 2016 10:00

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