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============

Add support for arbitrary 2d frame shapes - user specifies individual
points via SetQuadByPoints() function.
See tutorials/eve/quad_test.C::quad_test_circ() for an example.


tutorials/eve/quad_test.C
=========================

quad_test() - Create frame-box, put all digits on z=0 and rotate so
that the object is immediately visible.

quad_test_circ() - Create circular frame around digits; populate the
center of the circle as well.


git-svn-id: http://root.cern.ch/svn/root/trunk@23355 27541ba8-7e3a-0410-8455-c3a389f83636

Rename member TGLWidget* TGLViewer::fGLWindow to fGLWidget to
correspond to class-name of the new low-level GL interface.


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Add a message telling this macro is used compiled 
by alice_esd_split.C in case user try to execute 
.x SplitGLView.C


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- Put the secondary (small) embedded GL viewers inside dockable frame


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The background is the following. While working on the PROOF code I found
that enumerating TList is an inconvenient and a long operation, I had to
write the same code all over the place and make duplications. I tried
to use STD algorithms with it, namely std::for_each, and failed.
I therefore decided to enable std::for_each algorithm for ROOT 
Containers/Iterators by making as few as possible changes, without rewriting
iterators at all. Now with only two simple lines of code one is able to
iterate through a container:

TIter iter(&list);
for_each(iter.Begin(), TIter::End(), SEnumFunctor());

or

for_each(iter.Begin(), inter_end, SEnumFunctor());

where iter_end could be an iterator to a middle of the container.

After I had changed Iterators so that they could be used with std::for_each,
I decided to go further and did some more changes. As a result,

  - I have updated CINT implementation of some algorithms (they look now
    more or less better in terms of the standard),

  - TList and TObjArray can be now used with std::for_each, std::find_if,
    std::count_if (probably with some more algorithms. I've listed here
    only what has been *checked* by me). Other containers will be supported
    in a next patch.

  - A test program has been added: $ROOTSYS/test/stressIterators.cxx

  - A tutorial macro has been added: $ROOTSYS/tutorials/cont/TListAndSTL.C

Patch has been verified on Linux, MacOS X, Solaris 10 i386 and Windows.


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Major changes imported by this merge are:

gl/
====
- reorganization of scene rendering in TGLViewer - render opaque
  objects from all scenes first, then all transparent ones;

- improve saving of images from the GL-viewer so that the dialog boxes
  and other windows do not result in black areas on the saved image;

- improved management of FTGL fonts accross GL contexts.

eve/
====
- new classes for visualization of calorimeter data in lego mode;

- allow fixed scale beyond given radius for fish-eye projections.


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delete temp arrays


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I've added some lines about the backward transforms to the original FFT.C tutorial.


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- Add protection in case SplitGLView is not embedded in EVE


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This includes:

- development for event-displays of ALICE and CMS since 5.18 in eve/,
  gl/ and gui/;

- many new tutorials and demos for eve/;

- fix in TQObject to support class-signals from all base-classes.


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New tutorial illustrating how to fit a sret of points in 3D with a straight line


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Move rendering of axes from TEveProjectionManager to new class
TEveProjectionAxes. Use TEveText functionality for rendering of
tick-mark labels.

Add new members for FTFont configuration in TEveText.

New demo: tutorials/eve/projection_test.C.


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New class TFTGLManager for management of FTGL fonts.

New classes TEveText, TEveTextEditor and TEveTextGL for display and
configuration of a 3D text.

New test macro 'tutorials/eve/text_test.C'.


From Matevz:

Reenable smart-refresh during redraw of TEveScenes.

Minor code-layout changes.


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Fix effective-c++ warnings for classes TGSplitButton and TRotation::TRotationRow.


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retain track_container across several events so the user settings remain the same. Rename variable 'TEveTrackPRopagator* rnrStyle' to trkProp.


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Improved version with documentation and running on all systems.


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* fix MakeProject build (also, but not only on windows):
  - replace $Opt by opt / debug (whatever the ROOT build is),
  - include dict in generated source instead of having to deal with two dources  = two object files (which is not really supported by the ACLiC-like build commands)
* Always write out a class version higher thn what we are trying to reproduce. E.g. in case of members of type enum (which are generated as members of type int), the checksum equality check will fail, and a complaint ("increase the class version!") will be printed otherwise.


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TFile::MakeProject() is used to generate the header files and
distionaries of used ALICE classes.


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New tutorial showing CMS geometry.


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To avoid a double delete when TROOT destructor is called.


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to TGLUtil and remove TEveGLUtil class.

Extend picking region also for fat lines so that lines can be picked
also on their edges not only at the very center.

Fix rendering of anitaliased points in TEveStraightLineSetGL.

Honour wireframe and outline modes in TEveTriangleSetGL.

Add new tutorial pointset_test.C.


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- add a	new version of unuran (1.1.1) which fixes some warnings	on gcc 4 and add a new method (mvtdr)
- WARNING: to re-compile root  a make distclean-unuran is required  

- fix a problem with re-initialization of discrete pre-defined distributions (poisosn and binomial) when 
  changing their parameters 
- improve and fix a problem with the test for discrete distributions


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