Re: Help with Idl+Envi [message #71733] |
Sat, 17 July 2010 07:43 |
Ben Kamphaus
Messages: 3 Registered: July 2010
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Junior Member |
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On Jul 16, 2:42 am, MaxA <aldrighi....@gmail.com> wrote:
> Hi guys!
>
> I need some help in image processing with IDL and Envi.
>
> I have an image corresponding to the local Moran Index, computed
> through envi basic tools.
>
> Its values range from -0.000189 and 0.008413.
>
> When I open this image in envi, it is displayed as a greyscale image
> (8bit for each channel rgb).
>
> What I'd like to do is to write an idl procedure that does the same
> mapping from floating values to rgb 8 bit.
>
> I'm a bit stucked with that and any help would be precious!
>
> Thanks everybody!
>
> Max
Bytscl(array) or tvscl on display, to scale to the byte range,
although ENVI also applies a 2% linear stretch.
-Ben
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