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[oats-sig] open gazer problems

Steve Lee steve at fullmeasure.co.uk
Thu Nov 8 10:47:07 GMT 2007

Article: [oats-sig] open gazer problems

Perhaps this demo of MyTobii and the SmartBox's Grid2 will inspire you.

http://uk.youtube.com/user/mobiletobii

One thing that really struck me is how far we have to go with
optimising this mode of input. It takes conciderable time to createa
very short phrase.

http://www.smartboxat.com/mytobii.html

Steve

On 07/11/2007, stephen emslie <stephenemslie at gmail.com> wrote:
> Great that you got it working! It took me quite a while to get the
> feel of compiling against vxl too.
>
> I would love to hear any feedback on what sort of accuracy you are
> able to achieve and what webcam you are using.
>
> Stephen Emslie
>
> On Nov 7, 2007 3:11 PM, Chris Feser <chrimp at gmx.de> wrote:
> >
> > Thx Steve!
> > Now I understand the connection from vxl to opengazer.
> > I fixed it quick and dirty and copied the missing files to the expected
> > directory. I have no idea what I did wrong the whole time, but now it works.
> >
> > thank you all very much for your help!
> >
> > I wrote the developer of opengazer an email if there is a support forum or a
> > mailing list, but I have no answer yet.
> > Does anybody of you have an idea or is this forum the best place for
> > opengazer problems?
> >
> > I'll play around with opengazer and try to extend it or even will try, to
> > port it to Windows.
> >
> > cheers and have a nice day!
> >
> > chris
> >
> >
> >
> >
> > Steve Lee-3 wrote:
> > >
> >
> > > Hi Chris, yes, and to give a little more detail to my previous reply....
> > >
> > > taking theLeastSquares.h:2:28  error as an example
> > > Look in the file LeastSquares.h line 28
> > > it will have a line something like
> > > #include <vnl.vnl_vector.h>
> > > or
> > > #include "vnl.vnl_vector.h"
> > >
> > > I'm guess  from the error it has <vnl/vnl_vector.h>.
> > >
> > > The critical thing is if it is prefixed 'vnl/'. if so then the
> > > compiler will search for a file 'vnl/vnl_vector.h' under each of the
> > > paths specified in you makefile with INCLUDES. In other words
> > > vnl_vector.h is sought in a folder vnl under each given path.
> > > (if the #include "file" form is used life is a little more complex but
> > > we can probably ignore that)
> > >
> > > If your vnl_vector.h is not in such a folder then you can either copy
> > > all of them for a quick fix or change the makefile to change where the
> > > compiler is told to look.
> > >
> > > I'm afraid I'm tied up at the mo and can't check the real files but
> > > perhaps stephen can shed a little more light on the matter?
> > > * stephen where are your vnl headers?
> > > I have Gutsy so will try, but it probably won't be till next week.
> > >
> > > Steve
> > >
> > > On 06/11/2007, Chris Feser <chrimp at gmx.de> wrote:
> > >>
> > >> Thx.
> > >> I think I have a problem wih the header files.
> > >> Should they be there, where I compiled VXL into?
> > >> BUILD_SHARED_LIBS are ON and I changes the  CMAKE_INSTALL_PREFIX to
> > >> /usr/bin
> > >> because I compiled VLX now into this directory.
> > >>
> > >> Could yo please tell me, where are the header files should be?
> > >>
> > >> I use ubuntu 7.10 Gutsy
> > >>
> > >> cheers
> > >> chris
> > >>
> > >>
> > >> Stephen Emslie wrote:
> > >> >
> > >> > Now that I'm home perhaps I can compare my own Makefile.
> > >> >
> > >> >> but my compiled vxl is there:
> > >> >>  /home/chris/Desktop/software/bin
> > >> > ...
> > >> >> My Makefile looks like this:
> > >> >> # required libraries: vxl, opencv, boost, gtkmm
> > >> >>
> > >> >> VXLDIR = /home/chris/Desktop/software/bin
> > >> >
> > >> > It could be that the header files built when installing vxl are not in
> > >> > /home/chris/Desktop/software/bin? When you configured vxl with cmake,
> > >> > what was "CMAKE_INSTALL_PREFIX" set to (mine is /usr - same as
> > >> > VXLDIR)? Obviously "BUILD_SHARED_LIBS" needs to be on for this to
> > >> > work.
> > >> >
> > >> > The only thing I really had to change in the Makefile was to set the
> > >> > VXLDIR to the same as the install prefix.
> > >> >
> > >> > Best of luck
> > >> >
> > >> > Stephen Emslie
> > >> >
> > >> >
> > >> >
> > >>
> > >> --
> > >> View this message in context:
> > >> http://www.nabble.com/Re%3A-open-gazer-tf4558293.html#a13615292
> > >> Sent from the OATS Project Interest Group mailing list archive at
> > >> Nabble.com.
> > >>
> > >>
> > >>
> > >
> > >
> > > --
> > > Steve Lee
> > > --
> > > Jambu - Alternative Access to Computers
> > > www.fullmeasure.co.uk
> > >
> > >
> > >
> >
> > --
> > View this message in context: http://www.nabble.com/Re%3A-open-gazer-tf4558293.html#a13628973
> >
> > Sent from the OATS Project Interest Group mailing list archive at Nabble.com.
> >
> >
> >
>
>


-- 
Steve Lee
--
Jambu - Alternative Access to Computers
www.fullmeasure.co.uk


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