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1<HTML>
2<HEAD>
3<TITLE>Geant4 7.0 Release Notes</TITLE>
4</HEAD>
5<BODY BGCOLOR='F0F0F0'>
6
7<P> </P>
8<BR>
9<P> </P>
10
11<P ALIGN="Center">
12<FONT SIZE="+4" COLOR="#238E23">
13<B>Geant4 7.0 Release Notes</B>
14</FONT>
15
16<TABLE WIDTH="100%">
17<TR><TD ALIGN="Right">
18<FONT SIZE="-1" COLOR="#5C3317">
19<B><I>December 17<SUP>th</SUP>, 2004</I></B>
20</FONT>
21</TD></TR>
22</TABLE>
23
24<BR><BR>
25<HR ALIGN="Center" SIZE="7%">
26<P>
27The code and binary libraries for the supported systems are available
28through our <A TARGET="ext" HREF="http://cern.ch/geant4">Source Code Web page</A>.
29</P>
30<P>
31Please refer to the
32<A TARGET="ext" HREF="http://cern.ch/geant4/G4UsersDocuments/Overview/html">Geant4
33User Documentation</A> for further information about using Geant4.
34</P>
35
36<H2><I>Contents</I></H2>
37<OL>
38<LI><A HREF="#1.">Supported and Tested Platforms</A></LI>
39<LI><A HREF="#2.">AIDA and CLHEP</A></LI>
40<LI><A HREF="#3.">Compiler Specific Problems</A></LI>
41<LI><A HREF="#4.">Known Run-Time Problems</A></LI>
42<LI><A HREF="#5.">Compilation Warnings</A></LI>
43<LI><A HREF="#6.">Known Run-Time Warnings</A></LI>
44<LI><A HREF="#7.">Major items for migration of user code</A></LI>
45<LI><A HREF="#8.">Detailed list of changes and fixes</A></LI>
46</OL>
47
48<P> </P>
49<A NAME="1."></a>
50<HR>
51
52<!-- ============================================== -->
53
54<H2>1. Supported and Tested Platforms</H2>
55
56Official platforms:
57<UL>
58<LI>SUN Solaris 5.8, C++ CC-5.4 Patch 111715-02.</LI>
59<LI>Linux, gcc 3.2.3.<BR>
60    This configuration was tested on <I>32 bits architectures</I> with
61    the Scientific Linux CERN 3 (SLC3) distribution (based on RedHat Linux
62    Enterprise 3) and also with RedHat 7.3.
63    Versions of Geant4 have also been compiled successfully on other
64    Linux distributions, like Debian, Suse or more recent RedHat systems.
65    The default RedHat compiler gcc-2.96 distributed in RedHat 7.X is NOT
66    supported. It has been verified that it produces incorrect binaries,
67    therefore is not reliable. See also <A HREF="#note-1">note below</A>.</LI>
68<LI>Windows/XP and CygWin Tools with: Visual C++ 7.1 .NET</LI>
69</UL>
70
71More verified configurations:
72<UL>
73<LI>SUN Solaris 5.8, C++ CC-5.5.</LI>
74<LI>Linux, gcc 3.4.3.</LI>
75<LI>Linux, Intel-icc 8.0.</LI>
76<LI>MacOS 10.3, gcc-3.3</LI>
77</UL>
78
79Platforms configured but not tested and not supported:
80<UL>
81<LI>AIX 4.3.2, xlC 6.0</LI>
82<LI>DEC V4.0, cxx C++ V6.1-027</LI>
83<LI>HP 10.20, aCC C++ B3910B A.01.23</LI>
84<LI>SGI V6.5.5, CC 7.2.1</LI>
85</UL>
86
87<P> </P>
88<A NAME="2."></A>
89<HR>
90
91<!-- ============================================== -->
92
93<H2>2. AIDA and CLHEP</H2>
94
95Geant4 7.0 requires the <A TARGET="ext"
96HREF="http://cern.ch/clhep/INSTALLATION/clhep.html">installation
97of CLHEP</A>.<BR>
98Tests have been performed with <B>CLHEP-1.8.1.0</B><BR>
99The software has been verified also with <B>CLHEP-1.9.1.2</B>.<BR>
100<P> </P>
101Geant4 7.0 examples with histogramming cowork with AIDA 3.2.1
102implementations. These include:
103<UL>
104<LI><A TARGET="ext" HREF="http://cern.ch/PI">PI</A> and included components</LI>
105<LI><A TARGET="ext" HREF="http://jas.freehep.org">JAS (Java Analysis Studio)</A></LI>
106<LI><A TARGET="ext" HREF="http://www.lal.in2p3.fr/OpenScientist">Open Scientist</A></LI>
107</UL>
108
109AIDA headers can be downloaded from:
110<A TARGET="ext" HREF="http://aida.freehep.org">http://aida.freehep.org</A>
111
112
113<P> </P>
114<A NAME="3."></A>
115<HR>
116
117<!-- ============================================== -->
118
119<H2>3. Compiler Specific Problems</H2>
120
121<UL>
122<LI><A NAME="note-1"><B>Linux Red Hat 7.X, gcc-2.96</B></A>.
123<UL>
124<LI>The default compiler distributed by Red Hat since release 7.0 is
125    NOT supported and not considered reliable for running a Geant4-based
126    application. In more than one test case, binaries produced by gcc-2.96
127    have shown incorrect behavior, either due to wrong order of
128    initialisation of static data in memory or to bugs in the system
129    <TT>iostream</TT> classes, problems which apparently have all been
130    solved in more recent versions of the compiler (3.X series).<BR>
131    For information, gcc-2.96 is a compiler that has never been
132    officially released, nor supported by the GNU team itself and is not
133    considered reliable by the authors (for more information, see also
134    <A TARGET="ext" HREF="http://gcc.gnu.org/gcc-2.96.html">http://gcc.gnu.org/gcc-2.96.html</A>).</LI>
135</UL></LI>
136</UL>
137
138<P> </P>
139<A NAME="4."></A>
140<HR>
141
142<!-- ============================================== -->
143
144<H2>4. Known Run-Time Problems and Limitations</H2>
145
146For a complete list of outstanding run-time problems and to submit any
147problem you may find running this version of Geant4, please refer to the
148<A TARGET="ext" HREF="http://cern.ch/geant4/problemreport">Geant4 Problem Reporting
149System</A>.
150
151
152<P> </P>
153<A NAME="5."></A>
154<HR>
155
156<!-- ============================================== -->
157
158<H2>5. Compilation Warnings</H2>
159
160There may be compilation warnings on some platforms.  We do not believe
161that any will lead to incorrect run-time behaviour.
162
163
164<P> </P>
165<A NAME="6."></A>
166<HR>
167
168<!-- ============================================== -->
169
170<H2>6. Known Run-Time Warnings</H2>
171
172The following message can be written to error output while tracking.
173We believe it does not give rise to incorrect behaviour.
174<PRE>
175    G4PropagateInField: Warning: Particle is looping
176    -  tracking in field will be stopped.
177       It has performed 1000 steps in Field while a maximum of 1000
178       are allowed.
179</PRE>
180
181
182<P> </P>
183<A NAME="7."></A>
184<HR>
185
186<!-- ============================================== -->
187
188<H2>7. Major items for migration of user code</H2>
189
190Some migrations are necessary in different areas of the user code in
191order to upgrade from release 6.2 to release 7.0,
192a full recompilation and/or reinstallation of libraries and user
193applications is moreover required.
194
195<P> </P>
196<B>Direct usage of <TT>&lt;cmath&gt;</TT> for standard mathematical functions</B>
197<P> </P>
198In this release the Geant4 code makes now direct usage of <TT>&lt;cmath&gt;</TT>
199for standard mathematical functions. All direct/indirect inclusions of
200<TT>&lt;math.h&gt;</TT> have been removed.<BR>
201To be compliant with this migration, the user code should be modified as well,
202by adopting either one of the following approaches:
203<UL>
204<LI>Put in front of the following standard mathematical functions the <TT>std::</TT> 
205    prefix for the namespace:
206    <PRE>
207       pow(), exp(), sqrt(), log(), log10(), sin(), cos(), tan(),
208       sinh(), cosh(), tanh(), asin(), acos(), atan(), atan2(),
209       ceil(), floor(), fabs(), fmod(), frexp(), ldexp(), modf()
210    </PRE></LI>
211<LI>Alternatively, for places where code readability is a concern, add in source
212    files (not headers or inline methods, and after the headers inclusions), the
213    statement:
214    <PRE>
215       using namespace std; </UL>
216    </PRE>
217</UL>
218As part of this migration also standard headers like:
219    <PRE>
220       &lt;math.h&gt;, &lt;limits.h&gt;, &lt;stdlib.h&gt;
221    </PRE>
222are no longer indirectly included. This may require the user code to include
223them if/where necessary.<BR>
224To be noticed also that this migration involves also the <I>removal</I> of
225usage of the ad-hoc template function originally defined in CLHEP:
226    <PRE>
227       T abs(T)
228    </PRE>
229So the definition of this function will not be any longer available in a
230indirect way. The standard mathematical function:
231    <PRE>
232       std::abs()
233    </PRE>
234will have to be used instead.
235
236<P> </P>
237<B>New Installation procedure for the <TT>Configure</TT> script</B>
238<P> </P>
239The installation procedure of the kernel libraries using the <TT>Configure</TT> script
240has changed. It is now required to specify the final area of installation for the
241libraries and sources; libraries are now first built in the local directory
242where the source has been downloaded and unpacked; and will be later-on installed
243in the specified installation area (requiring <TT>root</TT> priviledges if
244necessary).
245See the <A href="http://cern.ch/geant4/G4UsersDocuments/UsersGuides/InstallationGuide/html">Installation
246Guide</A> for the details.
247
248<P> </P>
249<B>Migration for usage of the <TT>G4VParticleChange</TT> class</B>
250<P> </P>
251An interface change to the class <TT>G4VParticleChange</TT> is implemented
252in Geant4 7.0. Advanced users, who have implemented a physics process should
253be aware that the following methods have been removed:
254<PRE>
255      void  SetTrueStepLength(G4double truePathLength);
256      void  SetLocalEnergyDeposit(G4double anEnergyPart);
257      G4TrackStatus GetStatusChange() const;
258      void  SetStatusChange(G4TrackStatus status);
259      void  SetSteppingControl(G4SteppingControl StepControlFlag);
260      void  SetParentWeight(G4double);
261</PRE>
262They have been replaced by the following methods, respectively:
263<PRE>
264      void ProposeTrueStepLength(G4double truePathLength);
265      void ProposeLocalEnergyDeposit(G4double anEnergyPart);
266      G4TrackStatus GetTrackStatus() const;
267      void ProposeTrackStatus(G4TrackStatus status);
268      void ProposeSteppingControl(G4SteppingControl StepControlFlag);
269      void ProposeParentWeight(G4double);
270</PRE>
271For the detailed list of all interface changes involved in <TT>G4VParticleChange</TT>,
272please consult:
273<A HREF="http://cern.ch/geant4/source/source/migration_70.html">http://cern.ch/geant4/source/source/migration_70.html</A>.
274
275<P> </P>
276<B>Step limitation</B>
277<P> </P>
278A user now needs to change his/her code, in order to limit the step size of a
279particle -- when using the class <TT>G4UserLimits</TT> to limit the step.
280
281Up to the previous release, step limitation due to the maximum step length
282of <TT>G4UserLimits</TT> was directly done by <TT>G4SteppingManager</TT>,
283while all other limits (<TT>maxTrackLength</TT>, <TT>maxStepNumber</TT>,
284<TT>MinKinEnergy</TT> and <TT>minRemainRange</TT>) were dealt by
285<TT>G4UserSpecialCuts</TT> process. To solve this inconsistency,
286to simplify the majority of applications which do not utilize the step limitation,
287and to give more usability to the user, we introduce a new
288process <TT>G4StepLimiter</TT> and move the step limitation procedure in
289<TT>G4SteppingManager</TT> to this new process.
290<UL>
291<LI>The new process, <TT>G4StepLimiter</TT>, limits the step size specified by
292    <TT>G4UserLimits</TT>, but will not kill a track.</LI>
293<LI><TT>G4UserLimits</TT> class is kept as it is, and can specify all limits as before.</LI>
294<LI><TT>G4UserSpecialCuts</TT> is kept as it is. This process kills
295    a track once the track comes to a limit specified by <TT>G4UserLimits</TT> (as
296    it did previously). This provides the user the ability
297    to impose one or more kinds of "tracking cuts".</LI>
298<LI>Given no process took place for max step length limitation in the old design,
299    <TT>G4StepPoint::GetProcessDefinedStep()</TT> method used to return <TT>NULL</TT>.
300    In the new scheme, if a step is limited by the maximum step
301    length limitation, this method now returns a valid pointer of <TT>G4StepLimiter</TT>
302    process.</LI>
303</UL>
304The user who is using the step length limitation MUST include the new <TT>G4StepLimiter</TT>
305process in the physics-list explicitly. This new process may be assigned only to the
306selected particle types (e.g. only to the charged particles) instead of setting it to
307all particle types.<BR>
308No change is required for the user who is NOT using <TT>G4UserLimits</TT> for the
309purpose of maximum step limitation.
310
311<!-- ---------------------------------------------- -->
312<P> </P>
313<B>Killing of a particle</B>
314<P> </P>
315An advanced user who has created a process with a continuous component
316('AlongStep' action) that can kill or bring a particle to a rest will need to
317review their process implementation.
318
319Energy-loss processes no longer change the track status of a charged particle
320as part of their <TT>AlongStepDoIt()</TT> action.
321For a user-defined process with a "continuous" component,
322in order to stop (and thus either kill or bring to a rest in an 'alive' state)
323a particle in its <TT>AlongStepDoIt()</TT> method,
324it is now necessary to propose zero kinetic energy for the particle.
325Alternatively a process can contribute to the particle arriving at zero energy,
326as a result of the action of two or more processes, e.g. energy loss and
327propagation in an electric field (in the transportation process).
328
329Once a particle has zero (or less) proposed energy, it is brought to a rest
330and its energy is set exactly to zero.
331If the particle can decay, can be annihilated or generally has one or more
332'AtRest' actions, then another step will be performed that calls these;
333else, the particle is killed.
334The discrete component (or 'PostStep' action) of a process will not be
335performed once the particle has come to a stop.<BR>
336<I>Note</I>: the case of a particle that comes to a rest in a field and is
337then re-accelerated, is not supported at this time.
338
339<!-- ---------------------------------------------- -->
340<P> </P>
341<B>Future migration for <TT>G4GeneralParticleSource</TT> class</B>
342<P> </P>
343A 'tree-structured' command format is implemented in this release for
344<TT>G4GeneralParticleSource</TT>. The old UI commands have been kept
345for backward compatibility but will be removed in the future.<BR>
346For more information, please consult:
347<A HREF="http://reat.space.qinetiq.com/gps">http://reat.space.qinetiq.com/gps</A>.
348
349<P> </P>
350<A NAME="8."></A>
351<HR>
352
353<!-- ============================================== -->
354
355<H2>8. Detailed list of changes and fixes</H2>
356
357These are the main new features/fixes included in this release since the
358last patched public release (for the detailed list of fixes/additions,
359please refer to the related History files provided in most packages):
360
361<P> </P>
362
363<UL>
364<LI>Implemented migration to <TT>&lt;cmath&gt;</TT> for standard mathematical
365    functions.</LI>
366</UL>
367
368<A NAME="conf-notes">
369<H3><I>Configuration</I></H3></A>
370<UL>
371<LI><TT>Configure</TT> script: now installing libraries in specified
372    installation area. Installation happens now in two steps: libraries are
373    first built locally and later-on installed. Defined new commands:
374    <UL>
375    <LI><TT>Configure -build</TT>: to start the configuration process and
376        locally build the libraries.</LI>
377    <LI><TT>Configure -install</TT>: to install libraries and sources in
378        the specified installation area.</LI>
379    </UL></LI>
380<LI>Archived setup for Windows/VC++6 and removed WIN32-VC7 G4SYSTEM tag,
381    now replaced by WIN32-VC, setup for VC++ .NET.</LI>
382<LI>Relaxed compilation options for SUN-CC.</LI>
383<LI>Darwin-g++.gmk:
384    <UL>
385    <LI>Added -lXi to X11LIBS.</LI>
386    <LI>Corrected options to build granular shared libs.
387        Have "-undefined define_a_way" instead of "-undefined error".</LI>
388    </UL></LI>
389</UL>
390
391<A NAME="dgt-notes">
392<H3><I>Digitization & Hits</I></H3></A>
393<UL>
394<LI><TT>G4VDigi</TT>: added methods to store and retrieve HepRep attributes
395    in same manner as currently done for trajectories and hits.</LI>
396</UL>
397
398<A NAME="emlow-notes">
399<H3><I>Electromagnetic Processes (Low-energy)</I></H3></A>
400<UL>
401<LI>Fixes to tables manipulation, effective charge, graphite problem and
402    Bremsstrhalung low energy edge of the spectrum.</LI>
403<LI>Revision of G4LowEnergyPhotoelectric to allow for new development of
404    precise angular distributions.</LI>
405<LI>Improved parameterised PIXE model based on Paul & Sacher review; it
406    becomes the default one.</LI>
407<LI>Software improvement in G4PenelopeCompton.</LI>
408<LI>Implemented migration of processes to new <TT>G4VParticleChange</TT>
409    interfaces.</LI>
410</UL>
411
412<A NAME="emstd-notes">
413<H3><I>Electromagnetic Processes (Standard)</I></H3></A>
414<UL>
415<LI>Added new process: positron annihilation to pion pair (<TT>G4eeToHadrons</TT>).</LI>
416<LI>Added new utility class: <TT>G4EmCalculator</TT>, to access/calculate dedx, range,
417    cross sections of EM processes.</LI>
418<LI>Migrated to new scheme for store/retrieve Physics Tables:
419    new sequence of initialisation of EnergyLoss process: first PreparePhysicsTable,
420    then BuildPhysicsTable or RetreivePhysicsTable. Do not rebuild G4PhysicsVector if
421    cuts were not changed for given <TT>G4MaterialCutsCouple</TT>.</LI>
422<LI>Restructured subdirectories: multiple-scattering and other concrete models have
423    been moved from utils to standard and a new package (<TT>highenergy</TT>) has been
424    created.</LI>   
425<LI>Migrated processes to new interface for <TT>G4VParticleChange</TT>.</LI>
426<LI><B>Multiple Scattering</B>
427   <UL>
428   <LI>Changes in the angle distribution (slightly modified Highland formula for the
429       width of the central part, changes in the numerical values of some other
430       parameters) ---> approximately step independent distribution.</LI>
431   <LI>Correction in <TT>SampleCosineTheta</TT> in order to avoid numerical precision
432       problems at high energy/small step.</LI>
433   <LI>Fix precision problem for very high energy ions in gases (or with
434       small stepsize) has been solved in <TT>G4MscModel</TT>.</LI>
435   </UL></LI>   
436<LI><B>proton Ionization</B>
437   <UL>
438   <LI>Extended <TT>G4BraggModel</TT> below <TT>1 keV</TT></LI>
439   </UL></LI>   
440<LI><B>Ion Ionization</B>
441   <UL>
442   <LI>Decoupled <TT>G4ionIonisation</TT> process from proton ionisation,
443       use alpha stopping power tables for simulation of ion ionisation.</LI>
444   <LI>Added <TT>G4ionEffectiveCharge</TT> class needed to ion physics.</LI>
445   </UL></LI>   
446<LI><B>mu Ionization</B>
447   <UL>
448   <LI>Fixed a problem observed after deactivation of muon ionisation.</LI>
449   <LI>Provide a possibility to use the same EnergyLoss process class for
450       several particles (mu+ and mu-)</LI>
451   <LI>Changed process names: Mu -> mu.</LI>
452   </UL></LI>   
453<LI><B>PAIonization</B>
454   <UL>
455   <LI>Removed <TT>G4PAIonisation</TT>;  provided two new models of PAI ionisation
456       and example <TT>TestEm8</TT> to demonstrate how to use these models. Provided
457       possibility to use PAI per region; any low cut should be established for
458       the PAI model.</LI>
459   <LI>Removed <TT>G4IonisationByLogicalVolume</TT>.</LI>
460   </UL></LI>   
461<LI><B>All EnergyLoss processes</B>
462   <UL>
463   <LI>Removed <TT>ProposeTrackStatus()</TT> from AlongStep for EnergyLoss processes,
464       this action becomes under responsibility of <TT>G4SteppingManager</TT>.</LI>
465   </UL></LI>   
466<LI><B>Pair production by muon</B>
467   <UL>
468   <LI>Fixed bug in calculation of cross section of pair production by muons.</LI>
469   </UL></LI>   
470<LI><B>eBremsstrahlung</B>
471   <UL>
472   <LI>Added a threshold for <TT>G4eBremsstrahlung</TT> process, if emitted gamma is
473       above the threshold, incoming track is killed and is added to the list of
474       secondary particles.</LI>
475   </UL></LI>   
476<LI><B>Compton Scattering</B>
477   <UL>
478   <LI>Improved <TT>totalCrossSection</TT> parameterisation below <TT>15 keV</TT>.</LI>
479   </UL></LI>   
480</UL>
481
482<A NAME="evt-notes">
483<H3><I>Event</I></H3></A>
484<UL>
485<LI>Made <TT>G4PrimaryTransformer</TT> a base class to allow for users to customize treatment
486    of particle types, especially those exotic to Geant4.</LI>
487<LI>Added treatment of <TT>G4UnknownParticle</TT> to
488    <TT>G4PrimaryTransformer</TT>.</LI>
489<LI><TT>G4GeneralParticleSource</TT>: added new features, focused beam and
490    multiple vertices.</LI>
491</UL>
492
493<A NAME="gen-notes">
494<H3><I>General Processes, Parameterisation, Cuts, Decay, Optical</I></H3></A>
495<UL>
496<LI>Migrated processes to new interface for <TT>G4VParticleChange</TT>.</LI>
497<LI><B>Cuts</B>:
498    <UL>
499    <LI>Added <TT>G4PhysicsTableHelper</TT> class in order to assist
500      implementation of new scheme of <TT>Store/RetrievePhysicsTable()</TT>
501      for processes.</LI>
502    <LI>Added <TT>G4MCCIndexConversionTable</TT> class and modified
503      <TT>G4ProductionCutsTable</TT> in order to extend functionality of
504      <TT>Store/RetrievePhysicsTable()</TT>.</LI>
505    </UL></LI>
506<LI><B>Decay</B>:
507    <UL>
508    <LI>Introduced <TT>G4UnknownDecay</TT> class.
509    <LI>Added a new method <TT>GetRemainderLifeTime()</TT> to <TT>G4Decay</TT>.</LI>
510    </UL></LI>
511<LI><B>Management</B>:
512    <UL>
513    <LI>Added <TT>PreparePhysicsTable()</TT> method in <TT>G4VProcess</TT>.</LI>
514    <LI>Added <TT>const</TT> cast for arguments in
515        <TT>Store/RetrievePhysicsTable()</TT>.</LI>
516    </UL></LI>
517<LI><B>Optical</B>:
518    <UL>
519    <LI>Fixed bug in DielectricMetal only <TT>GetFacetNormal()</TT> for
520        LobeReflection.</LI>
521    </UL></LI>
522<LI><B>Transportation</B>:
523    <UL>
524    <LI>Introduced <TT>G4StepLimiter</TT> to handle <TT>MaxAllowedStep</TT>
525        in <TT>G4UserLimits</TT>.</LI>
526    <LI>Added pointer to sensitive detector in <TT>G4ParticleChangeForTransport</TT>
527        and updated <TT>G4Transportation</TT> to make use of it.</LI>
528    <LI>Added protection in <TT>G4Transportation</TT> for specific case of
529        parameterised volumes by materials where no EM processes are defined.</LI>
530    <LI>Added threshold energy for not abandoning stuck particles quickly in
531        <TT>G4Transportation</TT>.</LI>
532    <LI><TT>G4UserSpecialCuts</TT>: apply tracking cut only if <TT>Rmin</TT> or
533        <TT>Emin > DBL_MIN</TT>.</LI>
534    </UL>
535</UL>
536
537<A NAME="geo-notes">
538<H3><I>Geometry</I></H3></A>
539<UL>
540<LI><B>Magnetic Field</B>
541    <UL>
542    <LI>Added <TT>Set/GetAnomaly()</TT> methods in <TT>G4Mag_SpinEqRhs</TT>
543        equation of motion.</LI>
544    </UL></LI>
545<LI><B>Management</B>
546    <UL>
547    <LI>Introduced abstract class <TT>G4VStoreNotifier</TT> to be optionally
548        associated to stores by the user for the notification of the registration
549        and deregistration of objects in the stores.</LI>
550    <LI>Added notification mechanism to volume, solid, and region stores.</LI>
551    <LI><TT>G4VTouchable</TT>: added <TT>GetCopyNumber()</TT> method, clone of
552        <TT>GetReplicaNumber()</TT>.</LI>
553    <LI>Introduced virtual method <TT>GetCubicVolume()</TT> to <TT>G4VSolid</TT>,
554        returning an estimation of the solid volume in internal units. This method
555        may be overloaded by derived classes to compute the exact geometrical
556        quantity for solids where this is possible, or anyway to cache the
557        computed value. By default it uses the new protected method
558        <TT>EstimateCubicVolume(stat, eps)</TT> with fixed statistics and error
559        accuracy, and does not cache the computed value.</LI>
560    <LI>Added <TT>GetPolyhedron()</TT> to <TT>G4VPhysicalVolume</TT>, a smart access
561        function that creates a <TT>G4Polyhedron</TT> on request and stores for
562        future access. A null pointer means "not available".</LI>
563    <LI><TT>G4LogicalVolume</TT>:
564        <UL>
565        <LI>Added method <TT>GetMass()</TT> to <TT>G4LogicalVolume</TT>, returning
566            the value in absolute units of the mass of the logical volume tree.
567            The mass is computed from the estimated geometrical volume of each solid
568            and material's density associated to the logical volume and its daughters.
569            The returned value is cached and can be used for successive calls (default),
570            unless recomputation is forced by providing <TT>true</TT> as the first boolean
571            argument in input. Computation should be forced if the geometry setup has
572            changed after the previous call. An optional argument to specify a material
573            is provided; it is implicitely used for geometrical parameterisations by
574            material.</LI>
575        <LI>Added method <TT>TotalVolumeEntities()</TT> to <TT>G4LogicalVolume</TT>,
576            returning the total number of physical volumes (placed or
577            replicated/parameterised) included in the tree represented by the current
578            logical volume.</LI>
579        <LI>Fix in <TT>UpdateMaterial()</TT> for checking the existance of
580            root-region pointer for logical-volume. Fixes report #684.</LI>
581        </UL></LI>
582    </UL></LI>
583<LI><B>Navigation</B>
584    <UL>
585    <LI><TT>G4Navigator</TT>:
586        <UL>
587        <LI>Added new access method <TT>SeverityOfZeroStepping()</TT>.</LI>
588        <LI>Allow consecutive corrections for stuck tracks in <TT>ComputeStep()</TT>
589            up to 10 times before aborting the event.</LI>
590        </UL></LI>
591    <LI><TT>G4ReplicaNavigation</TT>: fix in <TT>DistanceToOutPhi()</TT> for the case
592        of phi sections on convex surfaces. Fixes problem report #651.</LI>
593    </UL></LI>
594<LI><B>Solids</B>
595    <UL>
596    <LI>Added specific implementation for <TT>GetCubicVolume()</TT> wherever possible
597        and implemented caching of the computed value for all solids.</LI>
598    <LI>Added specific <TT>GetPolyhedron()</TT> to solids, a smart access function
599        that creates a <TT>G4Polyhedron</TT> on request and stores for future access.
600        A null pointer means "not available".</LI>
601    <LI><I>CSG solids</I>:
602        <UL>
603        <LI><TT>G4Trap</TT>: added check for X-centering in constructor by verteces.
604            Fixes problem report #687.</LI>
605        </UL></LI>
606    <LI><I>Specific solids</I>:
607        <UL>
608        <LI>Added new <TT>G4TwistedBox</TT> shape: a twisted box with twist angle
609            alpha, length a/2,b/2,L/2.</LI>
610        <LI>Added new <TT>G4TwistedTrap</TT> shape: a twisted trapezoid with twist
611            angle alpha and same trapezoidal caps.</LI>
612        <LI>Fixes in <TT>G4VSurface</TT>:
613            <UL>
614            <LI><TT>GetNeighbours()</TT>: corrected axiscode (was returning the wrong
615                neighbours).</LI>
616            <LI><TT>SetNeighbours()</TT>: fixed problem #685
617                (index out of range).</LI>
618            </UL></LI>
619        <LI>Fix in <TT>G4PolyconeSide::Inside()</TT> for points at radius = 0 for phi
620            slides solids with an inner radius. Addresses problem report #598.</LI>
621        </UL></LI>
622    </UL></LI>
623<LI><B>Volumes</B>
624    <UL>
625    <LI><TT>G4ReflectionFactory</TT>: added automatic reflection for visualization
626        attributes, biasing weights and regions associated to the logical volume.</LI>
627    </UL></LI>
628</UL>
629
630<A NAME="glob-notes">
631<H3><I>Global</I></H3></A>
632<UL>
633<LI>New implementation of <TT>G4Allocator</TT> based on a pool of memory-chunks.
634    The size of a single chunk is kept at 1Kb as for the old allocator.
635    This implementation replaces the old <TT>G4Allocator</TT> which was based on
636    pages and no longer portable on the gcc-3.4.X compilers.
637    The new allocator also supports the standard interface required for STL
638    containers, in case it will be used as alternative allocator instead of
639    the default <TT>std::allocator</TT>.<BR>
640    Added inclusion of <TT>&lt;cstddef&gt;</TT> to <TT>G4Allocator.hh</TT> to make the
641    header self-consistent.</LI>
642<LI>Migrated code to use <TT>std</TT> namespace for mathematical functions
643    included from <TT>&lt;cmath&gt;</TT>. Removed explicit inclusion of <TT>CLHEP.h</TT> and
644    therefore also implicit inclusions of system headers <TT>&lt;math.h&gt;</TT>,
645    <TT>&lt;stdlib.h&gt;</TT> and <TT>&lt;limits.h&gt;</TT>.</LI>
646<LI>Removed implicit inclusion of CLHEP's template function <TT>abs()</TT>, use
647    now standard function <TT>std::abs()</TT> instead.</LI>
648<LI><TT>G4PhysicsTable</TT>:
649    <UL>
650    <LI>Added collection of flags and related methods. The collection of boolean
651        values will be used by physics processes to flag if recomputation will be
652        required or not.</LI>
653    <LI>Code cleanup and added <TT>Push_back()</TT> method.</LI>
654    </UL></LI>
655<LI>Added global function <TT>G4RandomDirection()</TT> providing a random 3-vector
656    normalised in 4pi.</LI>
657<LI>Cleared obsolete setup for min/max macros required for Windows/VC++6.</LI>
658</UL>
659
660<A NAME="greps-notes">
661<H3><I>Graphical Representations</I></H3></A>
662<UL>
663<LI>Introduced forced auxiliary edge visible in <TT>G4VisAttributes</TT>.</LI>
664<LI>Removed <TT>G4Polymarker::line</TT>. Use <TT>G4Polyline</TT> instead.</LI>
665<LI><TT>HepPolyhedron</TT>, <TT>BooleanProcessor</TT>: replaced occurences of
666    <TT>HepStd</TT> with <TT>std</TT>.</LI>
667</UL>
668
669<A NAME="had-notes">
670<H3><I>Hadronic Processes</I></H3></A>
671<UL>
672<LI>Migrated processes to new interface for <TT>G4VParticleChange</TT>.</LI>
673<LI>Improved treatment of cross-sections, and neutrons to improve on the ATLAS/HEC
674    shower-shape description for the QGSP physics list.</LI>
675<LI>cross_sections
676    <UL>
677    <LI>Updating pion cross-sections for copper, to be more closely consistent
678        with data.</LI>
679    </UL></LI>
680<LI>management
681    <UL>
682    <LI>Changed the framework classes, so that the <TT>G4TouchableHandle</TT> from the
683        parent <TT>G4Track</TT> is now carried forward to the secondary tracks in
684        all cases.</LI>
685    </UL></LI>
686<LI>stopping
687    <UL>
688    <LI>Changed process classes, so that the <TT>G4TouchableHandle</TT> from the parent
689        <TT>G4Track</TT> is now carried forward to the secondary tracks in all cases.</LI>
690    </UL></LI>
691<LI>models/binary_cascade
692    <UL>
693    <LI>Resonance potentials now consistently treated under the assumption that
694        they are zero.</LI>
695    <LI>Introduced a new more selective system of debug printout steering.</LI>
696    <LI>Cleared debug run-time output.</LI>
697    </UL></LI>
698<LI>models/cascade
699    <UL>
700    <LI>Fixed a memory fault, and some minor cleanup.</LI>
701    </UL></LI>
702<LI>models/chiral_inv_phase_space/body
703    <UL>
704    <LI>Fixed unnecessary debug messages affecting unit-test.</LI> 
705    <LI>Changed problem related print-out.</LI>
706    </UL></LI>
707<LI>models/high_energy
708    <UL>
709    <LI>Removed a phi asymmetry in the high energy neutral pion distributions.</LI>
710    </UL></LI>
711<LI>models/leading_particle
712    <UL>
713    <LI>Added clarification notice with respect to the nature of the code,
714        to be printed at start-up.</LI>
715    <LI>Corrected treatment of secondaries in the creation of particle change.</LI>
716    </UL></LI>
717<LI>models/low_energy
718    <UL>
719    <LI>Fixed an energy non-conservation problem of few <TT>MeV</TT> size,
720        in relations to phase-space sampling.</LI>
721    </UL></LI>
722<LI>models/muon_nuclear
723    <UL>
724    <LI>Changed process name to be consistent with other muon processes.</LI>
725    <LI>Changed memory allocation policy in the hadronic vertex to avoid a platform
726        dependency that can lead to a crash on exit.</LI>
727    </UL></LI>
728<LI>models/radioactive_decay
729    <UL>
730    <LI>Added G4MshellECDecay class and changed <TT>G4RadioactiveDecay</TT>
731        accordingly.</LI>
732    <LI>Added better handling of incomplete data files.</LI>
733    <LI>Corrected treatment of metastables as initial tracks in VR mode.</LI>
734    <LI>Default decay window in VR model set to 9.9x109 - 1010 seconds.</LI>
735    <LI>Added individual time stamp for splitted isotope</LI>
736    <LI>Fixed problem reports #396 and #662.</LI>
737    <LI>Applying now atomic relaxation only to <TT>5 < z < 101</TT>.</LI>
738    <LI>No more fast/slow beta decay mode with a faster 3-body decay implementation.</LI>
739    <LI><TT>G4RIsotopeTable</TT>: no longer reset the excitation energy.</LI>
740    <LI>Added <TT>touchableHandle</TT> to secondary tracks.</LI>
741    </UL></LI>
742</UL>
743
744<A NAME="parmodels-notes">
745<H3><I>Parameterisations</I></H3></A>
746<UL>
747<LI>New <B>gflash</B> submodule for fast shower parameterisation, contribution
748    of CMS and ATLAS.</LI>
749<LI>Moved original TRD classes to <TT>trd_models</TT> submodule.</LI>
750</UL>
751
752<A NAME="part-notes">
753<H3><I>Particles</I></H3></A>
754<UL>
755<LI>Introduced <TT>G4UnknownParticle</TT> class for bosons.</LI>
756<LI>Introduced <TT>G4MuonDecayChannelWithSpin</TT> class.</LI>
757<LI>Removed obsolete dependency to G4Material from <TT>G4ParticleDefinition</TT> and
758    related class.</LI>
759</UL>
760
761<A NAME="run-notes">
762<H3><I>Run and Interfaces</I></H3></A>
763<UL>
764<LI><B>Interfaces</B>:
765    <UL>
766    <LI><TT>G4UIXm</TT>: define default resources in case <TT>XENVIRONMENT</TT>
767        is not set.</LI>
768    </UL></LI>
769<LI><B>Run</B>:
770    <UL>
771    <LI>Temporarily allow the use of <TT>G4ParticleTable</TT> before the
772        construction of physics table.</LI>
773    <LI>Fixed wrong behaviour of <TT>G4RunManager</TT> when the user modifies the
774        geometry without replacing the world.</LI>
775    <LI>Moved ConstructParticle() and ConstructProcess() methods to 'public'.</LI>
776    <LI><TT>G4VUserPhysicsList</TT>:
777        <UL>
778        <LI>Modified <TT>BuildPhysicsTable()</TT> and <TT>PreparePhysicsTable()</TT>
779            for new scheme of <TT>Store/RetrievePhysicsTable()</TT> methods.</LI>
780        <LI><TT>ConstructParticle()</TT> and <TT>ConstructProcess()</TT> methods are
781            moved to 'public'.</LI>
782        </UL></LI>
783    </UL></LI>
784</UL>
785
786<A NAME="track-notes">
787<H3><I>Track and Tracking</I></H3></A>
788<UL>
789<LI><B>Track</B>
790    <UL>
791    <LI>Removed obsolete interface methods from <TT>G4VParticleChange</TT>.</LI>
792    <LI>Modified <TT>G4ParticleChangeForDecay</TT>:
793        added <TT>thePolarizationChange</TT> and related methods.</LI>
794    <LI>Fixed problem in the destructor of <TT>G4VUserTrackInformation</TT>.</LI>
795    </UL></LI>
796<LI><B>Tracking</B>
797    <UL>
798    <LI>Made <TT>G4SteppingVerbose</TT> a singleton.
799    <LI><TT>G4SteppingManager</TT>:
800        <UL>
801        <LI>Change the track status to <TT>StopAndKill</TT> when a track looses
802            all kinetic energy cumulatively while the AlongStep loop.</LI>
803        <LI>Now changing the track status to <TT>StopButAlive</TT> if the kinetic
804            energy becomes below zero while AlongStep loop.</LI>
805        <LI>Fix on interactive on/off for AtRest processes.</LI>
806        <LI>Do not issue <TT>G4Exception</TT> anymore also if no atRestDoit
807            processes exit.</LI>
808        </UL></LI>
809    <LI><TT>G4Trajectory</TT>, <TT>G4SmoothTrajectory</TT>:
810        added HepRep attribute for magnitude of momentum.</LI>
811    <LI>Fix in <TT>G4SteppingManager::InvokePSDIP()</TT> for completing migration
812        to new <TT>G4VParticleChange</TT> interface.
813    </UL></LI>
814</UL>
815
816<A NAME="vis-notes">
817<H3><I>Visualization</I></H3></A>
818<UL>
819<LI><B>Management</B>
820    <UL>
821    <LI>Correction to guidance of <TT>vis/viewer/set/hiddenEdge</TT>.</LI>
822    <LI>Removed deprecated commands:
823      <PRE>
824        /vis/viewer/show               (use /vis/viewer/update)
825        /vis/viewer/lightsThetaPhi     (use /vis/viewer/set/lightsThetaPhi)
826        /vis/viewer/lightsVector       (use /vis/viewer/set/lightsVector)
827        /vis/viewer/viewpointThetaPhi  (use /vis/viewer/set/viewpointThetaPhi)
828        /vis/viewer/viewpointVector    (use /vis/viewer/set/viewpointVector)
829      </PRE></LI>
830    <LI>Added auxiliary edge visible flag to <TT>G4ViewParameters</TT> and a new
831        command, <TT>/vis/viewer/set/auxiliaryEdge</TT>.  (Auxiliary edges are not
832        genuine edges of the volume.  They may be in a curved surface made
833        out of polygons, for example, or in plane surface of complicated
834        shape that has to be broken down into simpler polygons.
835        <TT>HepPolyhedron</TT> breaks all surfaces into triangles or quadrilaterals.
836        There will be auxiliary edges for any volumes with a curved surface,
837        such as a tube or a sphere, or a volume resulting from a Boolean
838        operation.  Normally, they are not shown, but sometimes it is useful
839        to see them.  In particular, a sphere, because it has no egdes, will
840        not be seen in wireframe mode in some graphics systems unless this
841        flag is turned on).
842        Implemented force auxiliary edge visible feature of
843        <TT>G4VisAttributes</TT>.</LI>
844    <LI>Refined forced wireframe algorithm: *always* force wireframe even
845        if hidden line removal is specified.</LI>
846    <LI>Rationalised vis command code (uses <TT>G4UIcommand</TT> static conversion
847        functions where possible).</LI>
848    <LI>Removed <TT>GetDrawingStyle()</TT> method. Instead, developer has to:
849        <UL>
850        <LI>Get vis attributes (pick up defaults if none):
851        <PRE>
852           const G4VisAttributes* pVA =
853                 fpViewer -> GetApplicableVisAttributes (v.GetVisAttributes ());
854        </PRE>
855            where v is the visible object (polyline, circle, polyhedron, etc.).</LI>
856        <LI>Get view parameters that the user can force through the vis
857            attributes, thereby over-riding the current view parameter:
858        <PRE>
859           G4ViewParameters::DrawingStyle drawing_style = GetDrawingStyle (pVA);
860           G4bool isAuxEdgeVisible = GetAuxEdgeVisible (pVA);
861        </PRE>
862            Most developers do this anyway, so the removed routine was redundant
863            and resulting code is more efficient and transparent.<BR>
864            To get colour, the developer can pick up directly from the vis attributes,
865            pVA, obtained as above:
866            <PRE>
867              const G4Colour& c = pVA -> GetColour ();
868            </PRE>
869            or use a slightly less efficient method:
870            <PRE>
871              const G4Colour& c = GetColour (v);
872            </PRE>
873            where v is the visible object.<BR>
874            Note that for text, the developer must use a different procedure,
875            since the default text colour is determined by the default text vis
876            attributes, which may be specified independent of default vis attributes
877            of other types of visible objects.  A function, <TT>GetTextColour()</TT>,
878            is provided and the recommended use is:
879            <PRE>
880              const G4Colour& c = GetTextColour (text);
881            </PRE>
882            which picks up the default if none.</LI>
883        </UL></LI>
884    <LI>Corrected mistake in <TT>/vis/viewer/set/*Vector</TT> commands.
885    <LI>Utilise smart method <TT>GetPolyhedron()</TT> for solids; greatly speeds 2nd
886        and subsequent drawings when kernel access is required.</LI>
887    <LI>Rationalised use of <TT>EstablishSpecials</TT>: functionality moved
888        to base class.</LI>
889    <LI>Removed use of obsolete <TT>G4Polymarker::line</TT>.</LI>
890    </UL></LI>
891<LI><B>Modeling</B>
892    <UL>
893    <LI>Added <TT>G4PhysicalVolumeMassScene</TT> and improvements to
894        <TT>G4PhysicalVolumeModel</TT>.</LI>
895    </UL></LI>
896<LI><B>ASCIITree</B>
897    <UL>
898    <LI><TT>verbosity >= 3</TT>: prints volume, density of all volumes in hierarchy.
899    <LI><TT>verbosity >= 4</TT>: calculates the mass of the complete geometry tree taking
900        into account daughters up to the depth specified for each physical
901        volume in the current scene. Culling is ignored so that all volumes
902        are processed. Uses <TT>G4PhysicalVolumeMassScene</TT>.</LI>
903    <LI>Added option to write to file (<TT>/vis/ASCIITree/set/outFile</TT>).</LI>
904    </UL></LI>
905<LI><B>DAWN</B>
906    <UL>
907    <LI>Improved diagnostic on trapping non-regular polyhedra.</LI>
908    </UL></LI>
909<LI><B>HepRep</B>
910    <UL>
911    <LI>Fixed a compilation problem in <TT>zlib</TT> for AMD64.</LI>
912    <LI>Upgraded to latest version C++ HepRep driver from FreeHEP.</LI>
913    <LI>Fixed GEANT-51, upgrade zlib to version 1.2.2 (for AMD64 compatibility).</LI>
914    </UL></LI>
915<LI><B>OpenGL</B>
916    <UL>
917    <LI>Hidden line *and/or* hidden surface removal now work for OGL*X and OGL*Xm.</LI>
918    <LI>Trap non-regular polyhedra and other small changes.</LI>
919    <LI>Removed redundant <TT>fLastVP</TT> from <TT>G4OpenGLStoredSceneHandler</TT>.</LI>
920    <LI><TT>G4OpenGLWin32Viewer::ShowView()</TT>: correction in usage of glFlush to
921        allow proper visualization of trajectories.</LI>
922    </UL></LI>
923<LI><B>OpenInventor</B>
924    <UL>
925    <LI>General code review of the driver.</LI>
926    <LI>Porting on Windows.</LI>
927    <LI>Corrected handling of transparent mode.</LI>
928    <LI>Forced culling off by default and solid mode. User will see
929        all of the requested geometry volume tree; can use pointer button
930        and CTRL-left-click to uncover (SHIFT-left-click to re-cover);
931        can use the hand button and right-click to get wireframe.</LI>
932    </UL></LI>
933</UL>
934
935<A NAME="lst-notes">
936<H3><I>Physics lists</I></H3></A>
937<UL>
938<LI>Imported hadronic lists and electromagnetic lists from top-level
939    to new module <TT>physics_lists</TT>.
940    <UL>
941    <LI><B>electromagnetic</B>
942        <UL>
943        <LI>Instantiate processes only once for muons.</LI>
944        <LI>Use ionIonisation for GenericIon, alpha, He3.</LI>
945        </UL></LI>
946    <LI><B>hadronic</B>
947        <UL>
948        <LI>Added to build missing LHEP_BERT_HP & LHEP_BIC_HP lists.</LI>
949        <LI>Implemented migration to new <TT>G4VParticleChange</TT> interface.</LI>
950        <LI>Removed debug printout in <TT>G4HadronQEDBuilder</TT>.</LI>
951        </UL></LI>
952    </UL></LI>
953</UL>
954
955<A NAME="env-notes">
956<H3><I>Environments</I></H3></A>
957<UL>
958<LI>New version of MOMO integrating GAG and Gain.</LI>
959<LI>Added new example and removed obsolete files.</LI>
960</UL>
961
962<A NAME="ex-notes">
963<H3><I>Examples</I></H3></A>
964<UL>
965<LI>Updated reference outputs.</LI>
966<LI><B>advanced</B>
967    <UL>
968    <LI>air_shower
969        <UL>
970        <LI>New example for the simulation of an UV detection system (UVscope).</LI>
971        </UL></LI>
972    <LI>brachytherapy
973        <UL>
974        <LI>Improved analysis management and corrected initial seed setting.</LI>
975        </UL></LI>
976    <LI>composite_calorimeter
977        <UL>
978        <LI>Use new phys-lists structure.</LI>
979        </UL></LI>
980    <LI>cosmicray_charging
981        <UL>
982        <LI>Removed call by pointer of hadronics classes.</LI>
983        <LI>Added MuNuclear interaction.</LI>
984        <LI>Updated input macros for obsolete gps commands.</LI>
985        </UL></LI>
986    <LI>gammaray_telescope
987        <UL>
988        <LI>Code review.</LI>
989        </UL></LI>
990    <LI>hadrontherapy
991        <UL>
992        <LI>Correction to analysis classes.</LI>
993        </UL></LI>
994    <LI>lAr_calorimeter
995        <UL>
996        <LI>Use new phys-lists structure.</LI>
997        </UL></LI>
998    <LI>medical_linac
999        <UL>
1000        <LI>Added MedLinacTrackingAction, MedLinacMLCDecorator
1001            and MedLinacMLCMessenger.</LI>
1002        </UL></LI>
1003    <LI>purging_magnet
1004        <UL>
1005        <LI>Cleared compilation warnings.</LI>
1006        </UL></LI>
1007    <LI>radioprotection
1008        <UL>
1009        <LI>Added binary cascade approach.</LI>
1010        <LI>Added histograms and option to define the format of the output
1011            file hbook or xml.</LI>
1012        </UL></LI>
1013    <LI>Rich
1014        <UL>
1015        <LI>Implemented migration to new <TT>G4VParticleChange</TT> interface.</LI>
1016        </UL></LI>
1017    <LI>Tiara
1018        <UL>
1019        <LI>Corrected link to the centralized hadronic physics lists and using
1020            new physics-lists structure.</LI>
1021        <LI>Eliminated all the old links to the tiara-dedicated shared libraries
1022            for the Packaging and the physics lists SWIG wraps based on the
1023            templated physics list classes.</LI>
1024        </UL></LI>
1025    <LI>underground_physics
1026        <UL>
1027        <LI>Implemented migration to new <TT>G4VParticleChange</TT> interface.</LI>
1028        </UL></LI>
1029    <LI>xray_fluorescence
1030        <UL>
1031        <LI>General update, can now be used in batch mode without histograms.</LI>
1032        </UL></LI>
1033    </UL></LI>
1034<LI><B>extended</B>
1035    <UL>
1036    <LI>analysis/A01
1037        <UL>
1038        <LI>Removed dependency from user hadronics lists.</LI>
1039        </UL></LI>
1040    <LI>electromagnetic/MuonProcesses
1041        <UL>
1042        <LI>Fix for generation of histograms according to 'muons' tag.</LI>
1043        <LI>Trivial fixes for compilation in gcc-3.2.</LI>
1044        <LI>Avoid deletion of Analysisfactory (for JAIDA).</LI>
1045        </UL></LI>
1046        <LI>electromagnetic/PhotonProcesses
1047        <UL>
1048        <LI>Added new input macro anni.mac.</LI>
1049        <LI>Avoid deletion of Analysisfactory (for JAIDA).</LI>
1050        </UL></LI>
1051        <LI>electromagnetic/TestEm1
1052        <UL>
1053        <LI>Compute and print CSDA range from <TT>G4EmCalculator</TT>.</LI>
1054        <LI>Set default vertex at left side of the box.</LI>
1055        <LI>Avoid deletion of Analysisfactory (for JAIDA).</LI>
1056        <LI>Define correctly all UI subdirectories.</LI>
1057        <LI>Modifications in HistoManager and Messenger for histograms files.</LI>
1058        <LI>Migrated to new interface for <TT>G4VParticleChange</TT> in
1059            <TT>G4eBremsstrahlungCMS</TT>.</LI>
1060        <LI>Modified call to <TT>G4EmCalculator</TT>.</LI>
1061        <LI>PhysListEmStandard: put threshold for <TT>G4BremsstrahlungCMS</TT>
1062            at <TT>10 GeV</TT>.
1063        </UL></LI>
1064        <LI>electromagnetic/TestEm2
1065        <UL>
1066        <LI>Define correctly all UI subdirectories.</LI>
1067        <LI>Modifications in RunAction for histograms files.</LI>
1068        <LI>Change <TT>USE_AIDA</TT> to <TT>G4ANALYSIS_USE</TT> in <TT>GNUmakefile</TT>.</LI>
1069        <LI>Fix in the logic of <TT>PhysicsList::AddPhysicsList()</TT>.</LI>
1070        <LI>Fixed bug in change of cuts between runs.</LI>
1071        </UL></LI>
1072        <LI>electromagnetic/TestEm3
1073        <UL>
1074        <LI>Modified HistoManager and Messenger in order to allow a multirun job.</LI>
1075        <LI>Removed static ionC12. Use generic ion instead.</LI>
1076        <LI>Avoid deletion of Analysisfactory (for JAIDA).</LI>
1077        <LI>More histograms: longitudinal energy profile and forward energy flow.</LI>
1078        <LI>Changed the numering of absorbers: start from 1 instead of 0.</LI>
1079            and modified all macros according to the above.</LI>
1080        <LI>Define correctly all UI subdirectories.</LI>
1081        <LI>New <TT>StepMax</TT> processes and messenger.</LI>
1082        <LI>Updated macros tbhec and lhcb.</LI>
1083        </UL></LI>
1084        <LI>electromagnetic/TestEm5
1085        <UL>
1086        <LI>Print stopping power.</LI>
1087        <LI>Showing example of use of <TT>G4EmCalculator</TT>.</LI>
1088        <LI>Added dedx1.mac and dedx2.mac input macros.</LI>
1089        <LI>Fixed a minor problem is energy deposit.</LI>
1090        <LI>Fixed a problem in PhysicsList for hadrons.</LI>
1091        <LI>Avoid deletion of Analysisfactory (for JAIDA).</LI>
1092        <LI>Define correctly all UI subdirectories.</LI>
1093        <LI>Added macros neutron.mac and hadron.mac.</LI>
1094        <LI>Modified call to <TT>G4EmCalculator</TT>.</LI>
1095        </UL></LI>
1096        <LI>electromagnetic/TestEm7
1097        <UL>
1098        <LI>Reset histo and dose calculation by run.</LI>
1099        <LI>Introduced <TT>RunAction::FillHisto()</TT> method.</LI>
1100        <LI>Compute projected range of primary particle (new class TrackingAction).</LI>
1101        <LI>Removed static ionC12. Use generic ion instead.</LI>
1102        <LI>Optimised interfaces.</LI>
1103        <LI>Added proton.mac, updated ionC12.mac and removed run01.mac.</LI>
1104        <LI>Fixed minor problem in stepping action.</LI>
1105        <LI>Define correctly all UI subdirectories.</LI>
1106        <LI>Modifications in RunAction for histograms files.</LI>
1107        </UL></LI>
1108        <LI>eventgenerator/exgps
1109        <UL>
1110        <LI>New example showing the usage of <TT>G4GeneralParticleSource</TT> for generating
1111            primary incident particle according to user defined distributions.
1112            These range from simple monocromatic point source to complicated mutiple
1113            sources with various biasing schemes.</LI>
1114        </UL></LI>
1115        <LI>field
1116        <UL>
1117        <LI>Removed dependency on old PAI and XTR models in PhysicsList
1118            of field01/02/03 examples.</LI>
1119        </UL></LI>
1120        <LI>gdml
1121        <UL>
1122        <LI>Archived old example and setup. New example based on GDML-2.0.0
1123            demonstrating the abilities of import/export of GDML descriptions.</LI>
1124        </UL></LI>
1125        <LI>medical/GammaTherapy
1126        <UL>
1127        <LI>New example of Gamma beam irradiation therapy on a water phantom.</LI>
1128        </UL></LI>
1129        <LI>parallel
1130        <UL>
1131        <LI>New version of marshaling/unmarshaling code for ParN02 and ParN04,
1132            generated from annotations using Marshalgen.</LI>
1133        </UL></LI>
1134        <LI>radioactivedecay/exrdm
1135        <UL>
1136        <LI>New example for showing the usage of the <TT>G4RadioactiveDecay</TT> process to
1137            simulate the decays of radioactive isotopes as well as the induced
1138            radioactivity resulted from nuclear interactions.</LI>
1139        </UL></LI>
1140        <LI>runAndEvent/RE01
1141        <UL>
1142        <LI>New example showing how to connect the information between
1143            primary particles and hits and utilize user-information classes.</LI>
1144        </UL></LI>
1145    </UL></LI>
1146<LI><B>novice</B>
1147    <UL>
1148    <LI>N02
1149        <UL>
1150        <LI>Removed trajectory printing from <TT>ExN02EventAction</TT>, now available
1151            with <TT>/vis/scene/add/trajectories</TT>, included in vis.mac.</LI>
1152        <LI>DetectorConstruction: modified a comment for placements.</LI>
1153        </UL></LI>
1154    <LI>N03
1155        <UL>
1156        <LI>visTutor/exN03Vis[5,10].mac : added commented examples
1157            on how to request the visualization of a particular volume.</LI>
1158        <LI>visTutor/exN03Vis9.mac: added visualization with OGLIWin32 to verify
1159            visualization of geometry and trajectories.</LI>
1160        <LI>DetectorConstruction: added commented vis attributes in order to
1161            verify interactive expansion/contraction geometry system of the
1162            OpenInventor driver.</LI>
1163        <LI>gui.mac: gun pulldown menu.</LI>
1164        </UL></LI>
1165    <LI>N04
1166        <UL>
1167        <LI>Use standard hadronic physics-lists with QGSP.</LI>
1168        </UL></LI>
1169    <LI>N05
1170        <UL>
1171        <LI>Modified method name for <TT>G4VParticleChange</TT> in
1172            <TT>ExN05SpecialCuts</TT>.</LI>
1173        <LI>Implemented migration to new <TT>G4VParticleChange</TT> interfaces.</LI>
1174        </UL></LI>
1175    <LI>N07
1176        <UL>
1177        <LI>Modified to comply to new cut-per-region scheme.</LI>
1178        </UL></LI>
1179    </UL></LI>
1180</UL>
1181
1182<HR>
1183
1184</BODY>
1185</HTML>
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