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 > >>>>>> _______________________________________________ > >>>>>> Therion mailing list > >>>>>> Therion at speleo.sk > >>>>>> http://www.speleo.sk/mailman/listinfo/therion > >>>>> > >>>>> _______________________________________________ > >>>>> Therion mailing list > >>>>> Therion at speleo.sk > >>>>> http://www.speleo.sk/mailman/listinfo/therion > >>>> > >>>> _______________________________________________ > >>>> Therion mailing list > >>>> Therion at speleo.sk > >>>> http://www.speleo.sk/mailman/listinfo/therion > >>> > >>> _______________________________________________ > >>> Therion mailing list > >>> Therion at speleo.sk > >>> http://www.speleo.sk/mailman/listinfo/therion > >> > >> _______________________________________________ > >> Therion mailing list > >> Therion at speleo.sk > >> http://www.speleo.sk/mailman/listinfo/therion > > _______________________________________________ > Therion mailing list > Therion at speleo.sk > http://www.speleo.sk/mailman/listinfo/therion
