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Re: Hue Saturation Value... how to display the hue channel of an image [message #38466 is a reply to message #38371]

Fri, 05 March 2004 08:36

Thomas Nehls
Messages: 24
Registered: March 2004

Junior Member

David Fanning wrote:

> Thomas Nehls writes:
>
>
>> has somebody an example of how to display the hue channel of an RGB
>> (image.TIFF)? I tried the color_convert and the tvlct /HSV but nothing
>> happens... a tip where to find examples?

yeah....
Thank you!

have a nice Weekend!
Tom

> I should think something like this would work:
>
> Read_JPEG, filepath('rose.jpg', Subdir=['examples', 'data']), rose
> r = reform(rose[0,*,*])
> g = reform(rose[1,*,*])
> b = reform(rose[2,*,*])
> Color_Convert, r, g, b, h, s, v, /RGB_HSV
> TV, BytScl(h)
>
> Cheers,
>
> David

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[Message index]

		Re: Hue Saturation Value... how to display the hue channel of an image By: David Fanning on Fri, 05 March 2004 08:22
		Re: Hue Saturation Value... how to display the hue channel of an image By: Thomas Nehls on Fri, 05 March 2004 08:36

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