Re: [Therion] compiling therion under Ubuntu AMD64

[Philip Schuchardt]

I think I explained it wrong???

Your image dimesion needs to be a factor of 2.

Examples:
overlay.png  has a dimesion of 128x128 or
overlay2.png has a dimesion of 512x256

Is that what your doing?

You can easily re-scale the images using gimp.  

Philip Schuchardt

On Sunday 15 April 2007 4:55 pm, Wolfgang Zillig wrote:
> it does not change much: it is still gray but in some cases strange
> triangles occur.
>
> I've tested 0.5 2 4 and 8 as factors. But with 8x the limits of my
> computer seem to be almost reached.
>
> Any other ideas?
> Greetings
> Wolfgang
>
> PS: I'm using 0.5.0 v of therion. Has something changed in the
> development version?
>
> Philip Schuchardt wrote:
> > You have interpolate the pixel graphics.
> >
> > On Sunday 15 April 2007 4:13 pm, Wolfgang Zillig wrote:
> >> Hi Philip,
> >>
> >> what do I have to do? Interpolating the pixel graphic or changing
> >> something in my .th file?
> >>
> >> Greetings
> >> Wolfgang
> >>
> >> Philip Schuchardt wrote:
> >>> Ahh.  The linux version of loch has a bug preventing rendering correct
> >>> texture mapping.  I think it has to do with openGL problem factor of 2
> >>> texture mapping.  The textures dimensions need to be a factor of 2. 
> >>> I'm just guessing that this is the problem.  Try to re-scale your
> >>> overlay to be a factor of 2(1, 2, 8, 16, 32, 64, 128 ... etc).  Tell us
> >>> if it works.
> >>>
> >>> Philip Schuchardt
> >>>
> >>> On Sunday 15 April 2007 3:30 pm, Wolfgang Zillig wrote:
> >>>> I had to adapt the path to vtk and remove -lvtkjpeg -lvtkpng -lktkzlib
> >>>> from the makefile. (the terminal was not configured to scroll through
> >>>> so many lines and therefore I did not see the uppermost error) . There
> >>>> were a lot of warnings like:  "warning: dereferencing type-punned
> >>>> pointer will break strict-aliasing rules" during compillation. If
> >>>> needed I can send you the full screen output.
> >>>>
> >>>> I can compile my project but the surface graphic is missing! Only a
> >>>> gray surface is displayed. Is this due to the skipped parameter
> >>>> -lvtkjpeg? Do I need to compile vtk from sources? I've installed
> >>>> libvtk5 and libvtk5-dev (5.0.2-4ubuntu1).
> >>>>
> >>>> Thanks for any help
> >>>> Wolfgang
> >>>>
> >>>> Stacho Mudrak wrote:
> >>>>> I am not sure, but probably loch compilation does not work by
> >>>>> default. List of libraries needed for loch is at loch/README.
> >>>>>
> >>>>> Regards, S.
> >>>>>
> >>>>> Wolfgang Zillig wrote:
> >>>>>> Hi,
> >>>>>>
> >>>>>> is there somewhere a list with all the libraries that are needed to
> >>>>>> compile therion under linux? Or a kind of manual?
> >>>>>>
> >>>>>> I just tried "make" but I'm getting errors, so I suppose that I miss
> >>>>>> some libraries.
> >>>>>>
> >>>>>> Greetings
> >>>>>> Wolfgang
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