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

From: Rene Brun (Rene.Brun@cern.ch)
Date: Wed Nov 17 2004 - 09:03:24 MET


Christian,

In my previous mail, I forgot to add the following comment.
If you design the geometry for the FMD classes, use the TGeo classes
and not the old TXTRU/TBRIK/etc classes.

Rene Brun

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.?
> 
> > 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?
> 
> 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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