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

From: Rene Brun (Rene.Brun@cern.ch)
Date: Wed Nov 17 2004 - 18:18:11 MET


Just to avoid any possible ambiguity.

The TViewerOpenGL class is our main line of development with OpenGL and
it works on Unix, Windows and Mac.

Rene Brun

"Faine, Valeri" wrote:
> 
> > > > 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.
> > >
> 
> Just a comment about Open Inventor viewer. Another version of OpenInventor
> viewer based on Coin3D and Qt ROOT layer that works on Windows, Mac and X11
> platforms (the version Rene meant worked for X11 only) is available and will
> remain available with the Qt ROOT Extensions from BNL CVS repository.
> 
> The Qt-based viewers (OpenGL and OI) provide the various image formats both
> pixels as well as the high resolution ps
> 
> See: http://root.bnl.gov/QtRoot/QtRoot.html#features
> http://root.bnl.gov/QtRoot/StarCompleteView.png
> http://root.bnl.gov/QtRoot/StarBombView.pdf
> http://root.bnl.gov/QtRoot/GeomBrowserMain.png
> 
>   etc
> 
> I would like to hear too from the user of the old X11 OpenInventor viewer
> users whether they want it.
> 
> Please submit your comment to fine@bnl.gov or to this list.
> 
> Thank you
> 
>  Just my 2 cents.
> 
>                           Valeri
> 
> > > OK.  Why not remove the code from CVS, as it's not functional at all?
> > >
> > > 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.
> > >       * Would it be possible to hide the  light sources too?  Ofcourse,
> > >         one can simply turn them off, but that removes the light too.
> > >       * 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'.
> > >
> > > 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.
> > >
> > > [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



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