RE: Re: GraphicsMagick 16bit on windows

[JohnD]

> -----Original Message-----
> From: Tatsuro MATSUOKA [mailto:address@hidden
> Sent: Saturday, July 04, 2015 5:10 AM
> To: JohnD; address@hidden
> Cc: address@hidden
> Subject: Re: Re: GraphicsMagick 16bit on windows
> 
> ----- Original Message -----
> 
> > From: JohnD
> > To: help-octave
> > Cc: tmacchant; jan.neggers
> > Date: 2015/7/4, Sat 11:15
> > Subject: RE: Re: GraphicsMagick 16bit on windows
> >
> >>
> >>  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_c
> >> yg
> >>  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
> 
> 
> 
> John
> 
> Can you update MinGW part of below?
> http://wiki.octave.org/Windows_Installer
> 
> 
> I have not yet been gotten successful results (stopped at octave build.).
> 
> Tatsuro


What error did you get at the octave build?