Re: [ROOT] TPGON and OpenGL - X3D and Shift interface

From: Fons Rademakers (Fons.Rademakers@cern.ch)
Date: Wed Nov 17 2004 - 10:31:11 MET


I've updated configure to mention CASTOR as being the source for libshift. 
However for backward compatability the --with flags have not been changed.

Cheers, Fons.



Rene Brun wrote:
> Hi Christian,
> 
> Christian Holm Christensen wrote:
> 
>>Hi Again,
>>
>>On Tue, 2004-11-16 at 16:18 +0100, Rene Brun wrote:
>>
>>>Christian,
>>>
>>>I cannot comment on Castor. The installation procedure works OK on Unix systems
>>>and Windows. This is OK.
>>
>>I think I didn't make myself clear:  Where do I get the source code for
>>the SHIFT libraries ROOT requires?  Is is at
>>
>>           http://savannah.cern.ch/projects/castor/
>>
>>If so, shouldn't the options really be changed to `--with-castor-libdir'
>>etc.?
> 
> 
> OK, the castor site has changed to a completly new site last week!
> The page you are quoting seems to be the right page for downloading Castor.
> I have updated the link on our installation page. I assume that the pointer
> to your link is obsolete too.
> I agree that the configure file should now refer to castor and not rfio.
> (Fons, i assume that you will make the change)
> 
> 
>>>Concerning TViewerOIV: it is our intention to discontinue the support
>>>for this viewer. Our effort is going to TViewerOpenGL. This class provides far
>>>more functionality than the old OI viewer.
>>
>>OK.  Why not remove the code from CVS, as it's not functional at all?
>>
> 
> 
> Yes, as I said, we will remove it at the time of the release.
> We are leaving time to react to some previous users who had built theit viewers
> based on the OI viewer.
> 
> 
>>The new OpenGL viewer is indeed very nice.  A few questions:
>>
>>      * However, I really miss the possibility of saving the current
>>        scene to a file (.eps, .gif, .jpg, .svg, or what not) - but I
>>        guess I'm not the first to raise that point :-) And I'm sure
>>        you're dealing with it.
> 
> 
> We want to provide the same functionality as we do now with the normal TPad.
> We are also considering a TPadGL class that could be embedded in a normal
> canvas.
> 
> 
>>      * Would it be possible to hide the  light sources too?  Ofcourse,
>>        one can simply turn them off, but that removes the light too.
> 
> 
> There are still many things to do with the lights. We are currently designing
> important extensions to the GL viewer to load dynamically the GL scene
> whenever a mouse event is triggered and also giving the possibility to the user
> to move around the scene (as opposed to the user rotating the scene).
> The lights are somehow connected to this problem.
> 
> 
>>      * In the attached script (a simplified version of the the ALICE
>>        FMD3 geometry), the XTRU objects are not drawn right when you
>>        look from the nose of the support cone, while they look find
>>        when viewed from the back of the cone.  When I turn on wireframe
>>        display in the OpenGL viewer, I see that the XTRU objects
>>        contain more lines than I've defined.  It seems that one of the
>>        triangles that make up the XTRU object is `dominating'.
> 
> 
> OK, we take note of this problem and will try to fix it before our coming
> development release.
> 
> 
>>The new Ged classes are very nice too.  A few questions:
>>
>>      * I miss the buttons `Ok', `Apply', and `Cancel' (and possibly in
>>        `Close') in the pop-ups.
>>      * Also, sometimes, the pop-ups do not have a title bar and some
>>        times they do.
>>      * When enabling the editor, the canvas may be too small to hold
>>        the full interface, in which case, one has to turn off the
>>        auto-resize option and manually make the canvas larger.  It
>>        would be nice if there was a scrollbar instead.
> 
> 
> Ilka is currently working on these problems.
> 
> Rene Brun
> 
> 
>>[I should probably say that I'm using GNOME 2.8 with metacity]
>>
>>Yours,
>>
>>--
>> ___  |  Christian Holm Christensen
>>  |_| |  -------------------------------------------------------------
>>    | |  Address: Sankt Hansgade 23, 1. th.  Phone:  (+45) 35 35 96 91
>>     _|           DK-2200 Copenhagen N       Cell:   (+45) 24 61 85 91
>>    _|            Denmark                    Office: (+45) 353  25 404
>> ____|   Email:   cholm@nbi.dk               Web:    www.nbi.dk/~cholm
>> | |
>>
>>  --------------------------------------------------------------------------------
>>                       Name: simpleGeometry.C
>>   simpleGeometry.C    Type: text/x-c++src
>>                   Encoding: 7bit

-- 
Org:    CERN, European Laboratory for Particle Physics.
Mail:   1211 Geneve 23, Switzerland
E-Mail: Fons.Rademakers@cern.ch              Phone: +41 22 7679248
WWW:    http://www.rademakers.org/fons/      Fax:   +41 22 7679480



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