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Re: GraphicsMagick 16bit on windows


From: address@hidden
Subject: Re: GraphicsMagick 16bit on windows
Date: Sat, 4 Jul 2015 10:49:40 +0900 (JST)

--- tmacchant
> --- jan.neggers
> > > On 03 Jul 2015, at 16:47, Marco Atzeri <marco.atzeri
> > > On 7/3/2015 11:49 AM, Jan Neggers wrote:
> > >> I’m using octave 4.0 on windows 7, and I need 16bit image support. I did 
> > >> install the 16bit version of GraphicsMagick, but how do I tell octave to 
> > >> use that version instead of the 8bit version provided with octave?
> > >> _______________________________________________
> > > 
> > > You can't.
> > > 
> > > So or you rebuild octave with 16bit version of GraphicsMagick
> > > or you use the cygwin version that already has 16 bit support.
> > 
> > Ah, ok, I understand, I was more or less expecting this answer, but 
> > sometimes we do get lucky! I’ll try to compile octave, but the problem is 
> > that this means all the students also have to do that, which is not really 
> > an option.
> > 
> > btw, the reason why we need 16bit support is because the images are used as 
> > measurement data, i.e. computer-vision type problems, where color precision 
> > does matter (the camera actually captures in 14bit).
> > 
> > 
> > 
> Do you have or can use linux machine?
> If not, I do not recommend to try to build octave on windows.
> Octave for native windows is now built by an tool called mxe-octave on linux. 
> Theoretically mxe-octave can be used on windows
> but it is not easy as on linux. If you can use linux for mxe-octave build, I 
> can give you advises. 
> If you cannot, please wait JohnD's response.
> He is the most working person on mxe-octave.
> 
> BTW, I think that to use cygwin version of octave is practical solution for 
> the issue.
> 
> Tatsuro
> 

For way to install octave-4.0.0 on cygwin,  see 

http://wiki.octave.org/Octave_for_Microsoft_Windows#Octave_4.0.0_on_cygwin

Tatsuro




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