[Therion] compiling therion under Ubuntu AMD64

[Wolfgang Zillig]

Hi Stacho,

I also have a NVidia card in my computer! Does it help if I send you the 
output from the compilling? Can it be that it has to do with the changed 
Makefile (removed -lvtkjpeg -lvtkpng -lktkzlib)?

Greetings
Wolfgang

Stacho Mudrak wrote:
> I am almost sure this is not the case on Linux system - it was (still 
> is???) a limitation of Win32 OpenGL. But loch does this interpolation 
> internally - it scales every image to a square 2^n pixel size, before it 
> use it as a texture.
>
> I do not know where the problem on Linux is - it has probably something 
> to do with Linux OpenGL architecture - on both other platforms (Win32 
> and Mac OS X), texture mapping works as expected. And it works on Linux 
> also - at home I have NVidia OpenGL driver (with NVidia OpenGL shared 
> library) and there it works also.
>
> OK, I will try to install some plain Linux without hardware acceleration 
> and debug it.
>
> Regards, S.
>
> Philip Schuchardt wrote:
>   
>> 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
>>>       
>> _______________________________________________
>> 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
>