RE: Re: GraphicsMagick 16bit on windows

[JohnD]

> 
> Message: 9
> Date: Sat, 4 Jul 2015 10:49:40 +0900 (JST)
> From: "address@hidden" <address@hidden>
> To: address@hidden, address@hidden,
>       address@hidden
> Subject: Re: GraphicsMagick 16bit on windows
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=iso-2022-jp
> 
> --- 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_cyg
> win
> 
> Tatsuro
> 

Mxe-octave should compile pretty much as is on msys2 (32 bit) with the right
tools installed, however takes many hours to compile, vs linux cross compile
with can be done in a hour or two on a fast machine