Newer
Older
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
- Implemented basic handles to support surface objects
- Implemented import of surface optical objects in compact to create TGeo surface objects and tabulated properties.
- Implemented the translation from TGeo to Geant4
- Added physics components for DDG4 handling Cerekov, Scintillation and generic optical photon physics
- Added examples
Please Note:
1) This is only enabled for a ROOT version > 6.17 (which is supposed to come)
2) There are still changes in ROOT in the pipeline. The code shall have to be adapted accordingly once these changes are activated.
* 2019-03-06 ebrianne ([PR#489](https://github.com/AidaSoft/DD4hep/pull/489))
- Added Initialization of G4EmSaturation to initialize birks coefficients - for g4 version > 10.03
* 2019-02-19 Andre Sailer ([PR#486](https://github.com/AidaSoft/DD4hep/pull/486))
- DDRec: Surface: add accessor to DetElement member
- DDRec: DetectorData: add Extension holding a map of String to Doubles
* 2019-02-14 Paul Gessinger ([PR#485](https://github.com/AidaSoft/DD4hep/pull/485))
* In `DD4hepConfig.cmake`, figure out if build has compatible standard set and print error if not
* 2019-02-13 Frank Gaede ([PR#483](https://github.com/AidaSoft/DD4hep/pull/483))
- fix drawing of surfaces for z-disks and cylinders (resolves #482)
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
# v01-10
* 2019-01-31 Markus Frank ([PR#480](https://github.com/aidasoft/dd4hep/pull/480))
- Fix bug in `geoDisplay` to allow passing the volume display depth as an argument
- Added a static creator to the Detector class to create non-traced instances: `std::unique_ptr<Detector> Detector::make_unique(const std::string& name);` It is the users responsibility to release the allocated resources and to avoid clashed with existing `TGeoManager` instances.
- Allow direct access to the solid instance of the DetElements's placement.
* 2019-01-15 Markus Frank ([PR#478](https://github.com/aidasoft/dd4hep/pull/478))
- Fix bug in `geoDisplay` see #477
* 2019-01-10 Markus Frank ([PR#476](https://github.com/aidasoft/dd4hep/pull/476))
- Fix bug in ConditionsUserPool whan scanning DetElement conditions
- Improve conditions handling: Allow to bind sub-class entities of ConditionObject to thew opaque data block.
* 2018-12-14 Markus Frank ([PR#475](https://github.com/aidasoft/dd4hep/pull/475))
- Add named shape constructors (see #469)
* 2018-12-13 Markus Frank ([PR#474](https://github.com/aidasoft/dd4hep/pull/474))
- Fix possible access violation
* 2018-12-13 MarkusFrankATcernch ([PR#473](https://github.com/aidasoft/dd4hep/pull/473))
- Improve handling of condition dependencies ( main work item)
- Improve logic flow in the DDCond/ConditionDependencyHandler
- Improve the functionality of the conditions resolver accessible from the update context. Allow for the creation (and registration) of multiple conditions in one single callback.
- Add a shape check for eight-point solids.
* 2018-12-07 Frank Gaede ([PR#470](https://github.com/aidasoft/dd4hep/pull/470))
- add `#include <memory>` to `run_plugin.h` (needed for `std::unique_ptr` and gcc 4.9)
* 2018-12-06 Markus Frank ([PR#468](https://github.com/aidasoft/dd4hep/pull/468))
- To fix issue #466 we had to go back to the original implementation which was actually correct (see https://github.com/AIDASoft/DD4hep/commit/36d4b01e0688f690ac2e506a62e00627bb6b798c#diff-7219d47bc4ab7516e0ca6c4f35f2602f).
- Added an example to show how to perform scans of the volume hierarchy with user defined callback functors. See for details `examples/ClientTests/src/PlacedVolumeScannerTest.cpp`.
- Added conversion between `TGeoArb8` and `G4GenericTrap`, fixes #465
* 2018-12-05 Markus Frank ([PR#467](https://github.com/aidasoft/dd4hep/pull/467))
- Harmonize argument names in `Shapes.h` with their actual functionality. For many shapes in `DD4hep/Shapes.h` the argument names were misleading: very often deltaPhi was mentioned, whereas the code actually used instead of (phi, deltaphi) the input arguments to the ROOT constructors (startPhi,endPhi) or (phi1, phi2). Wherever ROOT uses (startPhi,endPhi) the argument names were changed accordingly. Please note a bug was found in the legacy constructor:
```cpp
/// Legacy: Constructor to create a new identifiable tube object with attribute initialization
Tube(const std::string& nam, double rmin, double rmax, double dz, double startPhi, double endPhi)
```
Here opposite to all other constructors delta_phi was used as such - in contradiction to other constructors of the same class. This was rectified.
* 2018-11-30 Andre Sailer ([PR#462](https://github.com/aidasoft/dd4hep/pull/462))
- Introduce compile flag to minimize conditions footprint
* 2018-11-27 Markus Frank ([PR#461](https://github.com/aidasoft/dd4hep/pull/461))
- Add shape constructor for regular trapezoids (TGeoTrd1) ( see #460). Trd2 cannot be divided the same way as Trd1 shapes. Hence the addition became necessary. Due to the imprecise name of Trapezoid the names Trd1 and Trd2 (aka old Trapezoid) are favored. The usage of Trapezoid is supported for backwards compatibility using a typedef.
* 2018-11-22 Markus Frank ([PR#459](https://github.com/aidasoft/dd4hep/pull/459))
- Fix bug in DDCodex geometry, add debugging to VolumeBuilder
* 2018-11-14 Markus Frank ([PR#458](https://github.com/aidasoft/dd4hep/pull/458))
- Improve ROOT persistency: flag user extensions as persistent only while saving/loading
- Need to rename DDEve library: nameclash with ddeve executable on Apple: cmake fails to build ddeve as exe and DDEve as library. libDDEve.so is now called libDDEvePlugins.so.
* 2018-11-13 Markus Frank ([PR#457](https://github.com/aidasoft/dd4hep/pull/457))
## Provide support for Volume divisions.
Since DD4hep requires Volumes (aka `TGeoVolume`) and PlacedVolumes (aka `TGeoNode`) to be enhanced with the user extension mechanism, therefore shape divisions **must** be done using the division mechanism of the DD4hep shape or the volume wrapper. Otherwise the enhancements are not added and you will get an exception when DD4hep is closing the geometry or whenever you do something with the volume, which is served by the user extension. The same argument holds when a division is made from a `Volume`. Unfortunately there is no reasonable way to intercept this call to the `TGeo` objects - except to the sub-class each of them, which is not really acceptable either.
Hence: **If you use DD4hep: Never call the raw TGeo routines.**
For any further documentation please see the following ROOT documentation on [TGeo](http://root.cern.ch/root/html/TGeoVolume.html)
For an example see `examples/ClientTests/src/VolumeDivisionTest.cpp`
and `examples/ClientTests/compact/VolumeDivisionTest.xml`
To execute:
```
geoDisplay -input file:<path>/examples/ClientTests/compact/VolumeDivisionTest.xml
```
* 2018-11-13 Hadrien Grasland ([PR#438](https://github.com/aidasoft/dd4hep/pull/438))
- Make FindPackage(DD4hep) work even if thisdd4hep.sh was not sourced
* 2018-11-09 Frank Gaede ([PR#456](https://github.com/aidasoft/dd4hep/pull/456))
- add `#include <memory>` in `VolumeAssembly_geo.cpp` gcc 4.9 compatibility
* 2018-11-07 Markus Frank ([PR#455](https://github.com/aidasoft/dd4hep/pull/455))
- Improve VolumeBuilder pattern matcher
- Allow XML based volume creation based on factories.
* 2018-11-02 Markus Frank ([PR#454](https://github.com/aidasoft/dd4hep/pull/454))
- Improve generic Volume assembly and XML volume builder
* 2018-11-01 Markus Frank ([PR#452](https://github.com/aidasoft/dd4hep/pull/452))
- Fixed the DetElement cloning mechanism it to properly replicate DetElement trees.
- Tested with one LHCb upgrade detector.
- Added numeric epsilon to the default math dictionary of the expression evaluator:
```cpp
int:epsilon --> std::numeric_limits<int>::epsilon()
long:epsilon --> std::numeric_limits<long>::epsilon()
float:epsilon --> std::numeric_limits<float>::epsilon()
double:epsilon --> std::numeric_limits<double>::epsilon()
```
* 2018-10-30 Markus Frank ([PR#451](https://github.com/aidasoft/dd4hep/pull/451))
- Add copyright notices
- Make ddeve a program not only a ROOT script
* 2018-10-30 Markus Frank ([PR#450](https://github.com/aidasoft/dd4hep/pull/450))
- The DDUpgrade example was removed from the main repository. Since it is only of interest for LHCb, it moved to a separate repository at CERN/gitlab.
- Issue #449 should be fixed now.
- The XML volume builder utility was improved.
* 2018-10-18 Markus Frank ([PR#447](https://github.com/aidasoft/dd4hep/pull/447))
- Fix plugin manager cmake file by removing explicit dependency on c++ standard.
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
# v01-09
* 2018-10-15 Markus Frank ([PR#442](https://github.com/aidasoft/DD4hep/pull/442))
- DDCMS: Update to support namespaces
- DDUpgrade test example for the LHCb upgrade
- Fix nested detectors (in fact worked only for first level parents)
- Add VolumeBuilder XML utility to work on XML-tree patterns
* 2018-09-12 Hadrien Grasland ([PR#437](https://github.com/aidasoft/DD4hep/pull/437))
- Remove if string equals ON/OFF in cmake IF statements and check default CMake truth values
* 2018-08-20 Oleksandr Viazlo ([PR#434](https://github.com/aidasoft/DD4hep/pull/434))
- DD4hep_Mask_o1_v01_geo
- allow rotation around x-axis (instead of y)
- phi1 and phi2 cone angles configurable from the xml-file
* 2018-08-10 Markus Frank ([PR#433](https://github.com/aidasoft/DD4hep/pull/433))
- Fix DDCMS example to use true namespace names rather than using "_"
This should resolve issue https://github.com/AIDASoft/DD4hep/issues/421
* 2018-08-09 Markus Frank ([PR#432](https://github.com/aidasoft/DD4hep/pull/432))
- Make the expression evaluator understand variable names with namespaces
- Variable names containing a `:` or `::` are now accepted by the expression evaluator. This is first step towars resolving #421
- It has now to be seen what has to be done further. The DCMS example was not yet updated to use this feature.
- Add new example in `examples/ClientTests` to test this functionality.
* 2018-08-09 Andre Sailer ([PR#429](https://github.com/aidasoft/DD4hep/pull/429))
- DDG4: add possibility to simulate all events in a file by passing NumberOfEvents < 0. Fixes #237
* The de-facto limit is ~2 billion, which should be fine for input files.
* 2018-08-08 Markus Frank ([PR#430](https://github.com/aidasoft/DD4hep/pull/430))
- Fix HEPMC reader for unknown generator status codes
- Update DDCodex example, feature imports from plain ROOT file
- Allow debugging Geant4VolumeManager
* 2018-08-07 Mircho Rodozov ([PR#428](https://github.com/aidasoft/DD4hep/pull/428))
- Adapt to root interfaces changes for `TGeoMatrix::Inverse` (https://github.com/root-project/root/pull/2365), fixes #426
* 2018-08-06 Andre Sailer ([PR#424](https://github.com/aidasoft/DD4hep/pull/424))
- CMake: Ensure proper tls flag (global-dynamic) for Geant4 build, added option DD4HEP_IGNORE_GEANT4_TLS to override the check. Closes #419
* 2018-07-31 Andre Sailer ([PR#420](https://github.com/aidasoft/DD4hep/pull/420))
- DDG4: Import the ddsim python program from https://github.com/iLCSoft/lcgeo
For example:
- `ddsim --help`
- `ddsim --dumpSteeringFile > mySteer.py`
- `ddsim --steeringFile=mySteer.py --compactFile myDetector.xml`
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
# v01-08
* 2018-07-02 Markus Frank ([PR#418](https://github.com/aidasoft/dd4hep/pull/418))
- Add DDCodexB in standalone mode with simulation script and basic skeleton for DDEve
* 2018-06-28 Markus Frank ([PR#417](https://github.com/aidasoft/dd4hep/pull/417))
- Steer debug printouts in CondDB2DDDB and DDDB2Objects by parsing xml files.
* 2018-06-26 Markus Frank ([PR#416](https://github.com/aidasoft/dd4hep/pull/416))
- Separate the hit class and add dictionary. No base class - entirely independent.
- Allow to save the hit class to ROOT (but without MC truth)
See MyTrackerHit.h for details.
* 2018-06-26 Markus Frank ([PR#415](https://github.com/aidasoft/dd4hep/pull/415))
- Add small example how to specialize a new sensitive action and attach it to a detector in DDG4.
* 2018-06-26 Frank Gaede ([PR#414](https://github.com/aidasoft/dd4hep/pull/414))
- bug fix in Geant4EventReaderGuineaPig
- fix ignoring input lines with 'nan'
* 2018-06-26 Shaojun Lu ([PR#412](https://github.com/aidasoft/dd4hep/pull/412))
- Added one more if statement: If the track went into new Volume,
- then extracted the hit in previous Volume,
- and start a new hit in this current Volume,
- in this current process, also allow the same following treatments for the new hit.
* 2018-06-21 Markus Frank ([PR#409](https://github.com/aidasoft/dd4hep/pull/409))
- Support out-of-source builds of DD4hep examples.
Comes with an expense: A new environment DD4hepExamplesINSTALL.
has to be defined to support internal file accesses and loads.
The builds were also checked with read-only installation directories.
Solves issue https://github.com/AIDASoft/DD4hep/issues/382
- Smallish improvement to the ConditionsManager.
* 2018-06-21 Andre Sailer ([PR#408](https://github.com/aidasoft/dd4hep/pull/408))
- Cmake: fix for configuring with Geant4 with internal CLHEP, fixes #406
- Cmake: fix for configuring with BUILD_TESTING=OFF, fixes #407
* 2018-06-07 Markus Frank ([PR#404](https://github.com/aidasoft/dd4hep/pull/404))
- Fix basic shape tests for PseudoTrap
* 2018-06-07 Markus Frank ([PR#403](https://github.com/aidasoft/dd4hep/pull/403))
- patch for truncated tubes shapes.
* 2018-06-04 Markus Frank ([PR#402](https://github.com/aidasoft/dd4hep/pull/402))
- Fix truncated tube shape
* 2018-06-04 Markus Frank ([PR#400](https://github.com/aidasoft/dd4hep/pull/400))
- Allow for world volumes other than boxes. See `examples/ClientTests/compact/WorldVolume.xml` how to set it up. The effective thing is that the top level volume must be set to the TGeoManager before `Detector::init()`. If a top level volume is set, it is implicitly assumed to be the world volume. Otherwise the already existing mechanism (box volume) is activated.
- Add new basic shape tests.
* 2018-06-01 Markus Frank ([PR#399](https://github.com/aidasoft/dd4hep/pull/399))
- As discussed in issue #398 The use of TGeoUnits is inconvenient. The dd4hep units are now exposed in the python modules.
- Basic shapes are now tested in the regular ctest executions. The mesh vertices of the shapes were
saved to a reference file and are compared to in subsequent runs. The reference files reside in
`examples/ClienTests/ref`. See `examples/ClientTests/compact/Check_Shape_*.xml` for details.
- The ROOT UI and some dump plugins were enhanced to expose more information.
* 2018-05-30 Markus Frank ([PR#397](https://github.com/aidasoft/dd4hep/pull/397))
- Enable to start DDG4 using a saved detector description in a ROOT file.
- Added corresponding test: `Persist_CLICSiD_Geant4_LONGTEST`
- Fix shape constructors for Trap and PseudoTrap
- The python module `DD4hep.py` is gone as discussed in the developers meeting use `dd4hep.py` instead.
- on masOS : your "git pull" possibly deletes both files. you may have to checkout `dd4hep.py` again, due to fact that the filesystem is case-insensitive.
- Add example for LHCb CODEX-b.
* 2018-05-29 Markus Frank ([PR#394](https://github.com/aidasoft/dd4hep/pull/394))
- Consistently handle cmake command line options in case no Geant4 or no documentation should be built.
* 2018-05-28 Markus Frank ([PR#393](https://github.com/aidasoft/dd4hep/pull/393))
- Improvements to `geoPluginRun`.
`$> geoPluginRun -ui -interactive`
results in DD4hep enabled ROOT prompt.
- DD4hepUI: improvements to interact with DD4hep instance from ROOT prompt
- DDDB improve configuration for printing and debugging
- DDDB: allow to block certain XML branches
* 2018-05-22 Frank Gaede ([PR#389](https://github.com/aidasoft/dd4hep/pull/389))
- fix bug in input handling, for details see discussion #387
- exclude leptons with zero lifetime from Geant4
* 2018-05-22 Markus Frank ([PR#388](https://github.com/aidasoft/dd4hep/pull/388))
- Update doxygen information for some undocumented classes.
- Add licence header to files where not present.
* 2018-05-22 Marko Petric ([PR#380](https://github.com/aidasoft/dd4hep/pull/380))
- Update LICENSE to LGPLv3
- The name of the file containing the LICENSE has ben changed from LICENCE->LICENSE as all source files reference `For the licensing terms see $DD4hepINSTALL/LICENSE.`
* 2018-05-16 Markus Frank ([PR#386](https://github.com/aidasoft/dd4hep/pull/386))
- Fix bug in variable order of `ExtrudedPolygon` (x<->y)
* 2018-05-15 Markus Frank ([PR#384](https://github.com/aidasoft/dd4hep/pull/384))
# Implementation of non-cylindrical tracking region (resolves #371)
- It is possible to define volumes in a parallel world such as e.g. a tracking region. In principle any volume hierarchy may be attached to the parallel world. None of these volumes participate in the tracking as long as the "connected" attribute is set to false. The hierarchy of parallel world volumes can be accessed from the main detector object using
```cpp
dd4hep::Volume parallel = dd4hep::Description::parallelWorldVolume()
```
This parallel world volume is created when the geometry is opened together (and with the same dimensions) as the world volume itself.
- IF the NAME of the volumes is "tracking_volume" within the compact notation it is declared as the Detector's trackingVolume entity and is accessible as well:
```cpp
dd4hep::Volume trackers = dd4hep::Description::trackingVolume()
```
- Although the concept is available in the DD4hep core, it's configuration from XML is only implemented for the compact notation. For details see the example `examples/ClientTests/compact/TrackingRegion.xml`.
- If the volume should be connected to the world: connected="true". This is useful for debugging because the volume can be visualized else if the volume is part of the parallelworld: connected="false". The volume is always connected to the top level. The anchor detector element defines the base transformation to place the volume within the (parallel) world.
```xml
<parallelworld_volume name="tracking_volume" anchor="/world" material="Air" connected="true" vis="VisibleBlue">
<shape type="BooleanShape" operation="Subtraction">
<shape type="BooleanShape" operation="Subtraction">
<shape type="BooleanShape" operation="Subtraction" >
<shape type="Tube" rmin="0*cm" rmax="100*cm" dz="100*cm"/>
<shape type="Cone" rmin2="0*cm" rmax2="60*cm" rmin1="0*cm" rmax1="30*cm" z="40*cm"/>
<position x="0*cm" y="0*cm" z="65*cm"/>
</shape>
<shape type="Cone" rmin1="0*cm" rmax1="60*cm" rmin2="0*cm" rmax2="30*cm" z="40*cm"/>
<position x="0" y="0" z="-65*cm"/>
</shape>
<shape type="Cone" rmin2="0*cm" rmax2="55*cm" rmin1="0*cm" rmax1="55*cm" z="30*cm"/>
<position x="0" y="0" z="0*cm"/>
</shape>
<position x="0*cm" y="50*cm" z="0*cm"/>
<rotation x="pi/2.0" y="0" z="0"/>
</parallelworld_volume>
```
# Enhancement of assemblies, regions and production cuts (resolves #373)
On request from FCC particle specific production cuts may be specified in the compact notation. These production cuts (Geant4 currently supports these for e+, e-, gammas and protons) are specified as "cut" entities in the limitset. (See the example `examples/ClientTests/compact/Assemblies.xml`).
- The hierarchy of cuts being applied is:
- If present particle specific production cuts for a region are applied.
- else the "cut" attribute of the compact region specification is used
- else the global Geant4 cut is automaticallly applied by Geant4.
```xml
<limits>
<limitset name="VXD_RegionLimitSet">
<!--
These are particle specific limits applied to the region
ending in Geant4 in a G4UserLimits instance
-->
<limit name="step_length_max" particles="*" value="5.0" unit="mm" />
<limit name="track_length_max" particles="*" value="5.0" unit="mm" />
<limit name="time_max" particles="*" value="5.0" unit="ns" />
<limit name="ekin_min" particles="*" value="0.01" unit="MeV" />
<limit name="range_min" particles="*" value="5.0" unit="mm" />
<!--
These are particle specific production cuts applied to the region
ending in Geant4 in a G4ProductionCuts instance
-->
<cut particles="e+" value="2.0" unit="mm" />
<cut particles="e-" value="2.0" unit="mm" />
<cut particles="gamma" value="5.0" unit="mm" />
</limitset>
</limits>
```
# SensitiveDetector types not changed by Geant4SensDetActionSequence (resolves #378)
The sensitive detector type defined in the detector constructors is no longer changed intransparently in the back of the users. This may have side-effects for creative detector constructor writers, who invent sd types out of the sky. These obviously will not work with Geant4, because in Geant4 a mapping of these types must be applied to supported sensitive detectors. Now the mapping of a sd type (e.g. "tracker") is strict in the python setup. The default factory to create any sensitive detector instance in Geant4 (ie. an object of type G4VSensitiveDetector, G4VSDFilter, Geant4ActionSD) is a property of the Geant4Kernel instance and defaults to:
```cpp
declareProperty("DefaultSensitiveType", m_dfltSensitiveDetectorType = "Geant4SensDet");
```
- Since the actual behavior is defined in the sequencer instanciated therein this default should be sufficient for 99.99 % of all cases. Otherwise the factory named "Geant4SensDet" may be overloaded.
* 2018-05-15 David Blyth ([PR#379](https://github.com/aidasoft/dd4hep/pull/379))
- Geant4FieldTrackingConstruction now properly overrides `constructField()`
* 2018-05-03 David Blyth ([PR#377](https://github.com/aidasoft/dd4hep/pull/377))
- Geant4Handle unhandled reference to shared actions. This affected the destruction of shared actions.
* 2018-05-03 Markus Frank ([PR#375](https://github.com/aidasoft/dd4hep/pull/375))
- Development of a small user example on how to do analysis in `DDG4`.
- See `examples/DDG4/src/HitTupleAction.cpp`
- Simply collect the energy deposits of hits and write an N-tuple with them.
- The example shows how to access the hit collections and to extract the data in order to write other more sophisticated analyses.
- This `DDG4` action is used in one of the Minitel examples: `examples/ClientTests/srcipts/MiniTelEnergyDeposits.py`
* 2018-05-02 Markus Frank ([PR#374](https://github.com/aidasoft/dd4hep/pull/374))
- recommission the multithreaded SiD example
- `DDG4/examples/SiDSim_MT.py` vs. `DDG4/examples/SiDSim.py`
* 2018-04-19 Markus Frank ([PR#370](https://github.com/aidasoft/dd4hep/pull/370))
* Allow to disable building the documentation cmake option BUILD_DOCS. By default ON and backwards compatible. If set to OFF no doc shall be built. (not everybody has biber installed)
* Move from `DD4hep.py` to `dd4hep.py`, since `DD4hep.py` has to disappear due to conflicts on MAC.
* 2018-04-13 Markus Frank ([PR#367](https://github.com/aidasoft/dd4hep/pull/367))
- resolves #361
The Detector object has a state `Detector::state()` with three values:
```cpp
/// The detector description states
enum State {
/// The detector description object is freshly created. No geometry nothing.
NOT_READY = 1<<0,
/// The geometry is being created and loaded. (parsing ongoing)
LOADING = 1<<1,
/// The geometry is loaded.
READY = 1<<2
};
```
It starts with `NOT_READY`, moves to `LOADING` once the geometry is opened and goes to `READY` once the geometry is closed. As suggested in the developers meeting: the initial field object is invalid and gets created only once the geometry is opened. As a corollary, the field may not be accessed before. Geometry parsers must take this behavior into account!
- Address some compiler warnings.
- Mainly add override/final statements in header files.
- Implement a module to invoke python as a DD4hep plugin:
invoked e.g. by: `geoPluginRun -plugin DD4hep_Python -dd4hep -prompt`
```
geoPluginRun -plugin DD4hep_Python -help
Usage: -plugin <name> -arg [-arg]
name: factory name DD4hep_Python
-import <string> import a python module, making its classes available.
-macro <string> load a python script as if it were a macro.
-exec <string> execute a python statement (e.g. import ROOT.
-eval <string> evaluate a python expression (e.g. 1+1)
-prompt enter an interactive python session (exit with ^D)
-dd4hep Equivalent to -exec "import dd4hep"
-help Show this online help message.
Note: entries can be given multiple times and are executed in exactly the
order specified at the command line!
```
Implementation wise the plugin is a simple CLI wrapper for TPython.
* 2018-04-12 Marko Petric ([PR#362](https://github.com/aidasoft/dd4hep/pull/362))
- Update DD4hepManual
* 2018-04-12 Markus Frank ([PR#360](https://github.com/aidasoft/dd4hep/pull/360))
- Examples: only build some examples depending on the availability of dependencies.
- DDCore: Add interface to allow URI blocking during file parsing. Default is as now.
- DDCMS: Add conversion of new shapes.
* 2018-04-10 Markus Frank ([PR#359](https://github.com/aidasoft/dd4hep/pull/359))
- Bunch of fixes. Mostly in `examples/DDDB`
- Only build `examples/DDDB` if XercesC is present.
- Only build `examples/DDCMS` if CLHEP is present
* 2018-04-09 Markus Frank ([PR#357](https://github.com/aidasoft/dd4hep/pull/357))
- Add configuration options for loading DDDB
* 2018-04-05 Markus Frank ([PR#351](https://github.com/aidasoft/dd4hep/pull/351))
- To avoid unwanted disappearing conditions sub pools, a conditions slice may be instructed to collect shared references to the used pools in the slice.
- For python:
- Move DDG4/SystemOfUnits.py to DDG4/g4units.py
Keep SystemOfUnits.py with deprecation warning
- move DD4hep.py to dd4hep.py.
import dd4hep also imports all TGeoUnit units into its namespace.
Hence: import dd4hep; print dd4hep.m gives: "100.0"
- DD4hep.py is kept for backwards compatibility issuing a deprecation warning
- DDG4.py: imports g4units as G4Units: DDG4.G4Units.m etc.
- DDG4.py: imports TGeoUnit as TGeo4Units: DDG4.TGeoUnits.m etc.
- Some problem with replacing DD4hepUnits.h with TGeoSystemOfUnits.h
Surface test complains. To be investigated. Keep old DD4hepUnits for the time being.
* 2018-04-05 Markus Frank ([PR#350](https://github.com/aidasoft/dd4hep/pull/350))
- Merge `DDCMS` and `DDCMSTests` to `DDCMS`
- Move `DDDB` to the `examples/`
- Add tests `DDDB_DeVelo` and `DDDB_DeVelo_Gaudi` missing from #349
* 2018-04-05 Markus Frank ([PR#349](https://github.com/aidasoft/dd4hep/pull/349))
- Resolves #339
- DDDB conditions had a bug when loading from file base. The IOV was not handled properly. Now the resulting IOV is configurable using properties.
- Added Gaudi like example use case for options handling with the DeVelo detector elements.
- Configuration improvement in DDG4 action Output2ROOT:
- New property "DisableParticles" allows to suppress the MCParticle record from being written to the ROOT file.
- dto. the option "DisabledCollections" allows to NOT write any hit collection.
- Unit tests for these options are not (yet) present.
- DDCond: allow for user defined conditions cleanup policies. Base class `dd4hep::cond::ConditionsCleanup`. Callbacks are issued to the class for IOV type pools and IOV dependent pools asking if the pools should be processed.
* 2018-04-05 Marko Petric ([PR#344](https://github.com/aidasoft/dd4hep/pull/344))
- Move `DDCMS` into examples as it is not core functionality
# v01-07-02
* 2018-06-26 Frank Gaede [PR#413](https://github.com/AIDASoft/DD4hep/pull/413)
- bug fix in Geant4EventReaderGuineaPig
- fix ignoring input lines with 'nan'
- did not work on SL6 w/ gcc
# v01-07-01
* 2018-05-17 Frank Gaede
- fix bug in input handling, for details see discussion [#387](https://github.com/AIDASoft/DD4hep/issues/387)
- exclude leptons with zero lifetime from Geant4
# v01-07
* 2018-03-26 Javier Cervantes Villanueva ([PR#343](https://github.com/AIDASoft/DD4hep/pull/343))
- Fix bug in calculating eta, introduced in #138
- use `magFromXYZ` instead of `radiusFromXYZ` to calculate pseudorapidity
* 2018-03-19 Frank Gaede ([PR#338](https://github.com/AIDASoft/DD4hep/pull/338))
- Include fixes from Chris Burr for the alignments calculator.
- Add a small study for the LHCb upgrade defining reasonable detector element conditions for the Velo pixel detector using the DDCond derived condition mechanism.
- To be done: somehow get an example for this mechanism, which works outside Gaudi.
* 2018-03-23 Markus Frank ([PR#340](https://github.com/AIDASoft/DD4hep/pull/340))
- Improvement for DDDB - case study to implement real-world detector elements.
* 2018-03-28 Frank Gaede ([PR#345](https://github.com/AIDASoft/DD4hep/pull/345))
- Remove `DDSurfaces` folder as it was merged in `DDRec`
* 2018-03-28 Frank Gaede ([PR#341](https://github.com/AIDASoft/DD4hep/pull/341))
- Remove top level `DDSegmentation` folder as it is not needed anymore
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
# v01-06
* 2018-01-31 Ete Remi ([PR#297](https://github.com/aidasoft/dd4hep/pull/297))
- Geant4Output2LCIO
- Switch run header writing order at beginning of run instead of end of run
* 2018-03-15 Marko Petric ([PR#335](https://github.com/aidasoft/dd4hep/pull/335))
- Deduce CLHEP location from `CLHEP_INCLUDE_DIR` ( Fixes #314 )
- Add `gSystem.Load('libglapi')` to `testDDPython.py` which failed due to TLS issues on local machine
- Add Geant4 10.4 to test suite
* 2018-03-14 Markus Frank ([PR#336](https://github.com/aidasoft/dd4hep/pull/336))
- New shape definitions for CMS
Generic Polyhedra, ExtrudedPolygon, CutTube, TruncatedTube, PseudoTrap.
- DDDB: allow to configure the match for the entity resolver.
* 2018-03-13 Daniel Jeans ([PR#333](https://github.com/aidasoft/dd4hep/pull/333))
- changed utility name from graphicalMaterialScan -> graphicalScan
- add visualisation of electric and magnetic fields (switched by parameter)
- change order of x/y/z range parameters for ease of use
- added parameter for name of output root file
* 2018-03-12 Markus Frank ([PR#334](https://github.com/aidasoft/dd4hep/pull/334))
- `step_length_max` not propagated to Geant4 for `G4UserLimit` instances.
- All limits can now be set separately for each particle type (or for all as a catchall situation if the particle type is '*'.
- Fixes #327
* 2017-11-29 Markus Frank ([PR#271](https://github.com/aidasoft/dd4hep/pull/271))
- Add `LHeD` example (contribution from Peter Kostka)
- Fix to support `python3` in `DDG4`
- Fix issue in Volumes.h for backwards compatibility with gcc version < 5
- Fix type definition of `XmlChar` to also support Xerces-C 3.2.0
- Fix `AClick` initialization files in `DDG4` (remove dependency on `libDDSegmentation`)
* 2017-11-29 Marko Petric ([PR#270](https://github.com/aidasoft/dd4hep/pull/270))
- Fields: Remove pessimizing move and shadow warnings
* 2018-02-06 Ete Remi ([PR#301](https://github.com/aidasoft/dd4hep/pull/301))
- Geant4Output2LCIO plugin
- Added run number and event number offset properties. Enable steering of run and event counters from outside
- Added 3 event parameters properties for int, float and string event parameters
* 2018-02-05 Markus Frank ([PR#304](https://github.com/aidasoft/dd4hep/pull/304))
- Restructure the files a bit to simplify the use of the `XML` and `JSON` parsers and the spirit utilities in other projects.
* 2018-02-28 Frank Gaede ([PR#323](https://github.com/aidasoft/dd4hep/pull/323))
- make Geant4InputHandling.cpp compatible w/ gcc49
- avoid stringstream move operation
- fixes #320
* 2018-01-24 Markus Frank ([PR#292](https://github.com/aidasoft/dd4hep/pull/292))
- Fix bug in Alignment test:
- A long standing bug was fixed for the test `t_AlignDet_Telescope_align_new`.
- It was assumed that the `DetElements` were ordered in memory, which is **not** true (probably due to memory randomization).
- Moved to path dependent ordering. Test now OK.
- Closes #282
- Removed a Bunch of `rootcling` warnings
- Apparently `rootcling` now expects a class with the name of the dictionary header file.
- To satify this some dummy anonymous classes were added.
- Closes #290
* 2018-01-26 Marko Petric ([PR#296](https://github.com/aidasoft/dd4hep/pull/296))
- Check dynamic cast if it was successful
* 2018-01-22 Markus Frank ([PR#289](https://github.com/aidasoft/dd4hep/pull/289))
- Add possibility to parse `XML` from string
- Please see #288 for details.
- The main interface was not changed. Rather a view to the Detector class supports this functionality.
- The existing view `dd4hep::DetectorLoad` was enhanced to allow the required functionality:
```cpp
Detector detector = ....;
/// So here is the actual test: We parse the raw XML string
DetectorLoad loader(detector);
loader.processXMLString(buffer,0);
```
- An example was added (`ClientTests/src/XML_InMemory.cpp`, which illustrates the usage).
- Improve DDCond manual
- Improve that the DDCond manual reflects the source code.
- The possible plugins provided are not all described. This shall be future work.
- Enable the GDML reader plugin
- Closes #275
* 2018-03-01 Markus Frank ([PR#325](https://github.com/aidasoft/dd4hep/pull/325))
- Add dictionaries to `DDRec`.
- Consequently add the python interface to access the exported classes.
* 2018-03-01 Ete Remi ([PR#321](https://github.com/aidasoft/dd4hep/pull/321))
- Geant4InputAction and Geant4EventReader :
- Register input action pointer to event reader, enabling the event reader to access the Geant4 context
- Added new class LCIOEventParameters to handle LCIO input event parameters
- LCIOFileReader :
- Add extension with LCIO input event parameters to Geant4event
- Geant4Output2LCIO :
- Get LCIO event parameters from event extension (if any) and write them to LCIO output event
* 2018-03-01 David Blyth ([PR#317](https://github.com/aidasoft/dd4hep/pull/317))
- DDCore: added CartesianStrip segmentations
* 2018-03-02 Frank Gaede ([PR#328](https://github.com/aidasoft/dd4hep/pull/328))
- finalize the python bindings for DDRec:
- implement StructExtension(DetElement&) and toString()
- add DetectorData classes to python
- add example `dumpDetectorData.py`
- closes #306
- remove deprecated methods and classes in DDRec
- resolves #326
* 2018-03-06 Andre Sailer ([PR#331](https://github.com/aidasoft/dd4hep/pull/331))
- Geant4InputHandling: reject stable particles without lifetime (e.g., initial state electrons), fixes #330
* 2018-03-07 Markus Frank ([PR#329](https://github.com/aidasoft/dd4hep/pull/329))
- Fixes #324
- Call `TGeoMixture::ComputeDerivedQuantities()` for ROOT >= 6.12.0 (Resolves #281)
- Start to address issue: https://github.com/AIDASoft/DD4hep/issues/327
* 2018-03-07 Daniel Jeans ([PR#322](https://github.com/aidasoft/dd4hep/pull/322))
- correct coded expressions for quadrupole, sextupole and octopole fields.
- correct expression for octopole field in documentation
* 2018-03-09 Ercan Pilicer ([PR#319](https://github.com/aidasoft/dd4hep/pull/319))
- Remove unnecessary `import exceptions` from python
* 2017-11-30 Markus Frank ([PR#272](https://github.com/aidasoft/dd4hep/pull/272))
### DDG4 enhancements
- Enable framework support in DDG4. The `Geant4Context` is the main thread specific accessor to the `dd4hep`, `DDG4` and the user framework.
- The access to the `dd4hep` objects is via the `Geant4Context::detectorDescription()` call,
- the access to `DDG4` as a whole is supported via `Geant4Context::kernel()` and
- the access to the user gframework using a specialized implementation of:
`template <typename T> T& userFramework() const;`
A user defined implementations must be specialized somewhere in a compilation unit of the user framework, not in a header file. The framework object could host e.g. references for histogramming, logging, data access etc.
This way any experiment/user related data processing framework can exhibit it's essential tools to `DDG4` actions.
A possible specialized implementations would look like the following:
```cpp
struct Gaudi {
IMessageSvc* msg;
IHistogramSvc* histos;
....
};
template<> Gaudi& Geant4Context::userFramework<Gaudi>() const {
UserFramework& fw = m_kernel->userFramework();
if ( fw.first && &typeid(T) == fw.second ) return *(T*)fw.first;
throw std::runtime_error("No user specified framework context present!");
}
```
To access the user framework then use the following call:
```cpp
Gaudi* fw = context->userFramework<Gaudi>();
```
of course after having initialized it:
```cpp
Gaudi * fw = ...;
GaudiKernel& kernel = ...;
kernel.setUserFramework(fw);
```
- `G4RunManager` is now a plugin. To enable user defined run managers in `DDG4`, the run manager is encapsulated in a `Geant4Action`. See `DDG4/plugins/Geant4RunManagers.cpp` how to implement such plugins. Currently there are to factories implemented:
- `G4RunManager` -> factory invokes the single threaded `G4RunManager`
- `G4MTRunManager `-> factory invokes the multi threaded `G4MTRunManager`
The factory names here are identical to the names of the native G4 classes.
* 2017-11-30 Marko Petric ([PR#268](https://github.com/aidasoft/dd4hep/pull/268))
- Introduce new DD4hep web-site: http://dd4hep.cern.ch/
- Page is automatically build from [this repo](https://gitlab.cern.ch/CLICdp/DetectorSoftware/DD4hep-website)
- Restructured `doc` folder and removed not doc related stuff to `etc`
- Fixes to Doxygen configuration
- create reference manual `make reference`
- Better integration of DD4hep tex documentation and cmake
- create manuals in PDF format `make pdf` create manuals in HTML format `make html`
- allow creation of documentation if dependencies are not present
- extended gitlab runners to automatically build documentation PDF and HTML and also reference manual and publish to web-site, thus ensuring always up to date information.
* 2018-02-14 Markus Frank ([PR#310](https://github.com/aidasoft/dd4hep/pull/310))
- Fix MC truth problem in DDG4
- Update of the `XML` reader to simplify externalization
* 2018-02-15 David Blyth ([PR#302](https://github.com/aidasoft/dd4hep/pull/302))
- Added "NOINSTALL" option to cmake build function dd4hep_add_library
* 2018-02-16 Andre Sailer ([PR#315](https://github.com/aidasoft/dd4hep/pull/315))
- DDG4::ExtraParticles: particles with too small life time were tagged as stable, now correctly marked unstable
- DDG4::Geant4InputHandling: pass all particles except strings, quarks and gluons to Geant4 to get completely consistent MCParticle History, fixes #307
- DDG4::Geant4PrimaryHandler: add property RejectPDGs
- DDG4::Geant4InputHandling: print geant4 primary particle chains if VERBOSE
* 2017-11-16 David Blyth ([PR#258](https://github.com/aidasoft/dd4hep/pull/258))
- Corrected `EcalBarrel` constructor after finding significant layer overlaps
- Corrected `CylindricalEndcapCalorimeter` factors of 2 in layer/slice thickness
- Corrected `ForwardDetector` factors of 2 in layer/slice thickness
* 2017-12-05 Marko Petric ([PR#278](https://github.com/aidasoft/dd4hep/pull/278))
- Remove `DD4HEP_USE_CXX11` and `DD4HEP_USE_CXX14` and use [CMake default way](https://cmake.org/cmake/help/v3.1/variable/CMAKE_CXX_STANDARD.html)`CMAKE_CXX_STANDARD` to define C++ standard
* 2017-12-05 Marko Petric ([PR#277](https://github.com/aidasoft/dd4hep/pull/277))
- Fix logic for ignoring warnings in dictionary creation
- Add `-Wno-overlength-strings` to all generated targets
* 2017-12-05 peterkostka ([PR#276](https://github.com/aidasoft/dd4hep/pull/276))
- Update of LHeD example - overlaps (problem with SubdetectorAssembly)
* 2017-12-01 Markus Frank ([PR#275](https://github.com/aidasoft/dd4hep/pull/275))
- Add Support to Export and Import GDML Data
- Allow extorts and imports of partial geometry trees with GDML. **This requires however a future version of ROOT**, since some changes were necessary in the ROOT GDML handlers. The code is commented out for the time being. The plugin implementation is in `DDCore/src/gdml/GdmlPlugin.cpp`
- Remove print statements from DDG4 scripts
- Replace prints with calls to the python logging utility. Hopefully this shall give at some point python3 compatibility.
- Update `G4Stepper` factories
- Add some missing steppers
* 2017-12-01 Marko Petric ([PR#274](https://github.com/aidasoft/dd4hep/pull/274))
- Revert `DDG4.py` Geant4 initialization parameters back to values specified in Geant4 (see discussion #266)
# v01-05
* 2017-11-10 Dan Protopopescu ([PR#262](https://github.com/aidaSoft/DD4hep/pull/262))
- Added createGearForSiD minimal plugin solely for use with LCCalibration
* 2017-11-10 Frank Gaede ([PR#261](https://github.com/aidaSoft/DD4hep/pull/261))
- add `Geant4::HitData::MonteCarloContrib::length` (step length)
- set in all CalorimeterSDActions
- write out it LCIO if `Geant4Sensitive::DETAILED_MODE` and LCIO_VERS>v02-10
* 2017-11-10 Whitney Armstrong ([PR#260](https://github.com/aidaSoft/DD4hep/pull/260))
- added electric and magnetic field functions that return the field value (taking the position as the only argument) directly in `dd4hep::OverlayedField`
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
# v01-04
* 2017-10-17 Markus Frank ([PR#248](https://github.com/aidasoft/DD4hep/pull/248))
### VolumeManager Implementation
A possibly important bug was fixed for the lookup of top level subdetectors in the `VolumeManager` by volume identifers of (sensitive) volumes. Due to a bug in the de-masking possible wrong top level subdetectors were returned. The default use cases typically do not use this call and hence should not be affected.
* 2017-10-17 Shaojun Lu ([PR#247](https://github.com/aidasoft/DD4hep/pull/247))
- Fix C++11 pointer error by adding include <memory> for 'unique_ptr' (GCC 4.9).
* 2017-10-13 Marko Petric ([PR#246](https://github.com/aidasoft/DD4hep/pull/246))
### DDCMS:
- Improve the CMS excercise. New examples etc.
- Support for simulation using DDG4 (at least partially - since not all subdetector volumes are accepted by Geant4).
### DDG4:
- Event reader returns `EVENT_READER_EOF` if `EOF` is detected rather than a generic IO error.
- Add generator status word to the `Geant4Particle` object. Remove the extension mechanism, which is very heavy to just add one integer.
### General:
- We need to distinguish the plugins using some namespace mechanism. I started to introduce the namespace separator `"_".` Hence all DD4hep plugins start with `DD4hep_<plugin>`. I hope this does not break everything. If it does, please notify me and we can undo.
* 2017-10-13 Whitney Armstrong ([PR#243](https://github.com/aidasoft/DD4hep/pull/243))
- Added helper function `getAttrOrDefault` (defined in `DDCore/include/XML/Helper.h`)
This function `getAttrOrDefault(xml::Element e, xml::XmlChar attr_name, T default_value)` will return the attribute name, converted to to type `T` but if it is not found it will return `default_value`. When building new detectors supplying this is useful for supplying default attribute values.
* 2017-10-19 Markus Frank ([PR#249](https://github.com/aidasoft/DD4hep/pull/249))
* Improve the CMS tracker visualisation
* Add DDG4 simulation example to DDCMS
* Add some plugins to add visualisation attributes if required (not for the compact description)
* 2017-11-01 David Blyth ([PR#254](https://github.com/aidasoft/DD4hep/pull/254))
- DDG4/python/DDG4.py: loadDDG4() changed to not raise exception if libraries are already loaded
* 2017-11-01 David Blyth ([PR#252](https://github.com/aidasoft/DD4hep/pull/252))
- Added requirement of Python 2 in cmake/FindPYTHON.cmake. This makes clear the requirement of Python 2, and resolves the issue where CMake tries to build with Python 3 in a system where both exist.
* 2017-11-07 Frank Gaede ([PR#256](https://github.com/aidasoft/DD4hep/pull/256))
- bug fix in `BitField64::operator[std::string]() `
- make uses of TString in DocumentHandler.cpp compatible with clang9 (on Mac)
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
# v01-03
* 2017-10-12 Frank Gaede ([PR#244](https://github.com/AIDASoft/DD4hep/pull/244))
- allow for unbounded surfaces in DDRec
- add new property `SurfaceType::Unbounded`
- if a surface is marked unbounded `Surface::insideBounds()` ignores the volume boundaries (and only checks the distance to the surface)
* 2017-09-19 Whitney Armstrong ([PR#233](https://github.com/AIDASoft/DD4hep/pull/233))
- Added helper `CellIDPositionConverter::cellDimensions(const CellID& cell)`
* 2017-10-09 Frank Gaede ([PR#242](https://github.com/AIDASoft/DD4hep/pull/242))
- improve `BitFieldCoder` class
- remove heap allocation of BitFieldElements
- add move constructors for efficient filling of vector
* 2017-09-29 Frank Gaede ([PR#238](https://github.com/AIDASoft/DD4hep/pull/238))
- add new threadsafe class `BitFieldCoder` as replacement for `BitField64`
- use as `const` everywhere
- re-implement `BitField64` using `BitFieldCoder`
- is thread safe if used locally
- can be instantiated from `const BitFieldCoder*`
* 2017-09-18 Markus Frank ([PR#234](https://github.com/AIDASoft/DD4hep/pull/234))
- Created a new example showing the CMS tracking detector
- Get CMS going with their evaluation. Added a package DDCMS with the conversion plugins for the silicon trackers and the corresponding conversion mechanism for their `xml` structure.
* 2017-09-18 Frank Gaede ([PR#232](https://github.com/AIDASoft/DD4hep/pull/232))
- fix reading of stdhep/lcio generator files with generator statuses not in [0,3]
- add `G4PARTICLE_GEN_BEAM` and `G4PARTICLE_GEN_OTHER` to DDG4
- `G4PARTICLE_GEN_BEAM` is generally agreed to be used for beam particles (HepMC, LCIO)
- all other status codes vary from generator to generator and we use OTHER
- for stdhep or lcio input the true generator status is preserved in the lcio output, regardless of its value
- create a vertex for every parent-less particle in LCIOEventReader
- this allows for example to read GuineaPig files ( non-prompt pair particles) or special user created files with non-prompt particles
- Resolves #101
* 2017-09-20 Markus Frank ([PR#235](https://github.com/AIDASoft/DD4hep/pull/235))
- A more complete version of the CMS tracker
- Enhanced the CMS tracker example to be more complete.
- Stopped at some point to convert all CMS algorithms. Hence, the tracker is not complete, but the remaining work looks to be purely mechanical.
* 2017-10-02 Frank Gaede ([PR#239](https://github.com/AIDASoft/DD4hep/pull/239))
- add cell sizes to printout of `LayeredCalorimeterData::layer`
- used in `dumpdetector -d`
* 2017-09-14 Frank Gaede ([PR#231](https://github.com/AIDASoft/DD4hep/pull/231))
- adapt LCIOEventReader for Pythia8 and Whizard2
- add all parent-less particles to outgoing vertex
- fixes #226 and closes #229
- also used for stdhep files
* 2017-09-07 Daniel Jeans ([PR#227](https://github.com/AIDASoft/DD4hep/pull/227))
- Fix calculation of cell position in `MegatileLayerGridXY`
- previously, returned position was the lower corner of the cell
- after this bug fix, it's the cell centre
* 2017-10-05 Frank Gaede ([PR#241](https://github.com/AIDASoft/DD4hep/pull/241))
- remove deprecated and unused classes from DDRec
* 2017-10-05 Frank Gaede ([PR#240](https://github.com/AIDASoft/DD4hep/pull/240))
- add `dd4hep::rec::FixedPadSizeTPCData.zMinReadout`
- needed to describe the cathode thickness
* 2017-08-21 Markus Frank ([PR#221](https://github.com/AIDASoft/DD4hep/pull/221))
- Document several classes in doxygen notation.
- Aim is that there are (at least) no class headers without docs.
- See [documentation](http://test-dd4hep.web.cern.ch/test-dd4hep/doxygen/html/annotated.html)
# v01-02
* 2017-07-14 Daniel Jeans ([PR#204](https://github.com/AIDAsoft/DD4hep/pull/204))
- add ncellsX/Y as a "parameter", allowing it to be set in compact description. This change is for easier use in the case of a MultiSegmentation. (Only a uniform segmentation can be defined in this way: for more complex cases, must set by driver.)
- change from array to std::vector to store ncells information
* 2017-07-17 Markus Frank ([PR#206](https://github.com/AIDAsoft/DD4hep/pull/206))
## Implement ROOT persistency mechanism for detector descriptions (continuation of AIDASoft/DD4hep#202).
Object extensions are now persistent.
This is however not for free: **it requires a dictionary for the extension itself and it requires a dictionary for the class holding the extension**. These are:
- `dd4hep::DetElement::DetElementExtension<IFACE,CONCRETE>` for `DetElement` extensions.
- `dd4hep::SimpleExtension<IFACE,CONCRETE>` for simple extension managed by the user framework (user calls explicitly destructor).
- `dd4hep::DeleteExtension<IFACE,CONCRETE>` for simple extension managed by dd4hep (dd4hep calls automatically destructor on hosting object destruction).
- `dd4hep::CopyDeleteExtension<IFACE,CONCRETE>`. As above, but these extensions support calling the copy constructor of the embedded object and hence allow to copy also the hosting objects.
Please note: to persistify these objects it was necessary to no longer use the type-info of the objects as an identifier, but rather a 64-bit-hash of the raw type-info-name. This relies that this name is identical across platforms. This typically is true for linux, but not enforced by any standard.
* 2017-08-11 Andre Sailer ([PR#213](https://github.com/AIDAsoft/DD4hep/pull/213))
- CMake:: dd4hep_generate_rootmap: use CMAKE_INSTALL_LIBDIR if it is set. If the macro is called from other libraries this variable might be set and should be used for consistency. Fixes #212
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
* 2017-07-13 Markus Frank ([PR#202](https://github.com/AIDAsoft/DD4hep/pull/202))
## Implement ROOT persistency mechanism for detector descriptions
The following commits allow to save and restore Detector objects (ie. the full detector description) to/from ROOT. Most changes affected the usage of void pointers.
It is **NOT** possible to:
* save object extensions. Another usage of void pointers and type-info objects, which both cannot be saved.
* save callback objects. Callbacks store in memory pointers to member functions. These depend on the loading of libraries at run-time and hence may differ from application to application.
* save conditions slices. This shall be a futute extension. There should be no fundamental problem doing so - it was simply not yet done.
In the example area a new slot call "Persistency" was created with various tests:
* Save and restore simple conditions
* Save and restore the MiniTel detector (`examples/ClientTests/compact/MiniTel.xml`)
* Save and restore the CLICSiD detector (`examples/CLICSiD/compact/compact.xml`)
The detector examples also have a set of tests associated to check the validity of the restored information.
## Integrate `DDSegmentatation` into `DDCore`
As a first step to start the cleanup of `DDSegmentation` the code was integrated into `DDCore`. For backwards compatibility a dummy library `libDDSegmentation.so` is kept, so that client cmake files directly referring `DDSegmentation` still work. **This tough is only a temporary measure and users should remove references to the DDSegmentation library.** Include files can be accessed as before. These are part of the `DDCore` include directory.
* 2017-08-15 Yorgos Voutsinas ([PR#216](https://github.com/AIDAsoft/DD4hep/pull/216))
* Adding variable "nocore" for beam pipe (with default value = false) In case the variable appears in the BP xml file as "true", the BP sections will have no core of beam material, in order that someone might add various BP walls made of different materials while avoiding G4 overlaps. Example of use:
```xml
<detector name="BeBeampipe" type="DD4hep_Beampipe_o1_v01" insideTrackingVolume="true" nocore="true" vis="BeamPipeVis">
```
* 2017-08-15 Jan Strube ([PR#215](https://github.com/AIDAsoft/DD4hep/pull/215))
- LCIOEventReader: adding parameter for the name of the MCParticle collection: `MCParticleCollectionName`
* 2017-08-14 Markus Frank ([PR#217](https://github.com/AIDAsoft/DD4hep/pull/217))
## Enhance ROOT Detector Description Persistency
Conditions slices from the DD4hep conditions store can now be saved to ROOT files ans named objects. Conditions persistency examples are added to the `examples/Conditions` section.
The examples are derived from the Telescope and CLICSiD example:
- `Conditions_Telescope_root_save`
- `Conditions_Telescope_root_load_iov`
- `Conditions_Telescope_root_load_pool`
- `Conditions_CLICSiD_root_save_LONGTEST`
- `Conditions_CLICSiD_root_load_iov_LONGTEST`
- `Conditions_CLICSiD_root_load_usr_LONGTEST`
- `Conditions_CLICSiD_root_load_cond_LONGTEST`
## Fix Handle Problem when Accessing Materials from Volumes
A cast problem was not spotted in the last commit, which manifested itself in accessing invalid materials from volumes. This commit resolves #211 , reported by @jhrdinka.
A set of tests checks this behaviour in the ClientTests: `ClientTests_volume_materials_<text>`, where the volume tree is scanned and for all sensitive volumes and access the corresponding `materials/TGeoMedium` entities from the volume object.
* 2017-07-18 Shaojun Lu ([PR#208](https://github.com/AIDAsoft/DD4hep/pull/208))
- added "#include <memory>" for the smart pointers to DD4hepRootPersistency.cpp
* 2017-07-19 Markus Frank ([PR#209](https://github.com/AIDAsoft/DD4hep/pull/209))
- Implement `dd4hep::Tube` using `TGeoTubeSeg` (See also Issue AIDASoft/DD4hep#203 for details)
* 2017-07-21 Markus Frank ([PR#210](https://github.com/AIDAsoft/DD4hep/pull/210))
## Implement ROOT persistency mechanism for the conditions
Conditions pools can now be made persistent provided all the dictionaries for the payload objects are provided. A new class `ConditionsRootPersistency` allows to save and re-load conditions pools to/from a ROOT file. Such pools can either be:
- Simple `ConditionsPool` objects
- The entire `IOV` indexed pool set (class `ConditionsIOVPool`) or
- A the pool used by a `ConditionsSlice` (class `UserPool`).
- A std::vector<Condition> which belong all to the same IOV
In any case the restoration of the saved conditions is performed through the `ConditionsManager` interface in order to ensure proper management of the added condition objects.
Some example plugin tasks were added in examples/Conditions:
- `DD4hep_ConditionExample_save` to save conditions to a ROOT file.
- `DD4hep_ConditionExample_load` to restore conditions from file.
## Split of dictionary files
The ROOT dictionary creation in `DDCore` was getting increasingly large. Now the ROOT dictionaries are created in several files, what firstly allows them to be produced in parallel and secondly eases the compilation due to smaller generated file sizes.
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
# v01-01
* 2017-07-06 Markus Frank ([PR#201](https://github.com/AIDASoft/DD4hep/pull/201))
## DDCore: Changes to the VolumeManager interface
Recent descrepancies showed that the call to lookup a placement
from the volume manager may have an ambiguous meaning:
It may (as used until now) be the placement of thge closest
detector element - a functionality used by various tests
or be the placement of the sensitive volume itself.
So far, since each sensitive volume in the DD4hep tests
is represented by a DetElement structure, both
approaches returned the same placed volume.
Since there is the possibility to have sensitive volumes, which are not
directly connected to a single DetElement structure, this call was
split to resolve this ambiguity:
/// Lookup a physical (placed) volume identified by its 64 bit hit ID
PlacedVolume lookupVolumePlacement(VolumeID volume_id) const;
/// Lookup a physical (placed) volume of the detector element
/// containing a volume identified by its 64 bit hit ID
PlacedVolume lookupDetElementPlacement(VolumeID volume_id) const;
* 2017-07-06 Andre Sailer ([PR#200](https://github.com/AIDASoft/DD4hep/pull/200))
- Now will give a warning if multiple entities (e.g., constants) of the same name are defined in the XML
# v01-00-01
* 2017-07-04 Frank Gaede ([PR#199](https://github.com/AIDASoft/DD4hep/pull/199))
- bug fix for VolumeManagerContext::toElement() and VolumeManagerContext::placement()
- set flag=true in VolumeManager_Populator::add_entry when
a ContextExtension is needed, i.e. sensitive volume is not DetElement's volume
- fixes problems in CellIDPositionConverter
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
# v01-00
* 2017-06-22 Marko Petric ([PR#192](https://github.com/AIDASoft/DD4hep/pull/192))
- Move `AlignDet_Telescope_readback_xml` to later in the pipeline since it depends on the output of `AlignDet_Telescope_write_xml`
* 2017-06-22 Andre Sailer ([PR#191](https://github.com/AIDASoft/DD4hep/pull/191))
- Surface: fix memory leak of transformation matrix
- XML::Layering: fix memory leak of contained layers in the object
* 2017-06-23 Andre Sailer ([PR#197](https://github.com/AIDASoft/DD4hep/pull/197))
- Fix memory leaks for Tube, EllipticalTube and Polyhedron
* 2017-06-23 Andre Sailer ([PR#196](https://github.com/AIDASoft/DD4hep/pull/196))
- CMake: add `Project( DD4hep )`, needed to get the correct CMAKE_CXX_COMPILER_ID on macs due to CMP0025 (cmake policy)
- CMake: fix treatment of linker flags, they are now properly set for Linux and Macs to error when undefined functions are encountered at link time
- CMake: fix elif --> elseif when checking threading libraries
* 2017-06-23 Frank Gaede ([PR#195](https://github.com/AIDASoft/DD4hep/pull/195))
- fix crash in `dd4hep::rec::Surface` after changes in Handle assignment (PR #193)
- fix use of deprecated `dd4hep::rec::MaterialManager` c'tor in Surface
* 2017-06-20 Frank Gaede ([PR#185](https://github.com/AIDASoft/DD4hep/pull/185))
- bug fix in material utilities
- call `MaterialManager( Volume v)` with `Detector.world().volume()`
* 2017-06-20 Marko Petric ([PR#184](https://github.com/AIDASoft/DD4hep/pull/184))
- Reinstate the full test-suite on Travis
* 2017-06-20 Markus Frank ([PR#183](https://github.com/AIDASoft/DD4hep/pull/183))
- Unify header guards in DDCore
- Add header to steer ignoring warnings of rootcling generated dictionaries.
* 2017-06-20 Frank Gaede ([PR#182](https://github.com/AIDASoft/DD4hep/pull/182))
- cleanup of namespace `dd4hep::rec`
- remove obsolete bwd compatibility for `DD4hep::DDRec`
- re-introduce `[deprecated]` warnings for unmaintained classes in DDRec/API
- re-fix deprecated c'tor for `MaterialManager` in material utilities
* 2017-06-20 Markus Frank ([PR#181](https://github.com/AIDASoft/DD4hep/pull/181))
- Attack many warnings from:
- `-Wshadow`
- `-Winclude-hygiene`
- `-Woverlength-strings` (int cling dictionaries)
* 2017-06-20 Markus Frank ([PR#179](https://github.com/AIDASoft/DD4hep/pull/179))
- Remove a bunch of shadow warnings and include-hygiene warnings.