[DD4hep] use assembly instead of complex union shapes

[ianna]

PR description:

introduce changes in Ecal preshower algorithm as discussed during simulation meeting and agreed with @bsunanda

PR validation:

no overlaps in Ecal preshower detected by ROOT

if this PR is a backport please specify the original PR and why you need to backport that PR:

Before submitting your pull requests, make sure you followed this checklist:

• verify that the PR is really intended for the chosen branch
• verify that changes follow CMS Naming, Coding, And Style Rules
• verify that the PR passes the basic test procedure suggested in the CMSSW PR instructions

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-33735/22676

• This PR adds an extra 20KB to repository

[cmsbuild]

A new Pull Request was created by @ianna (Ianna Osborne) for master.

It involves the following packages:

Geometry/EcalCommonData

@civanch, @Dr15Jones, @makortel, @cvuosalo, @ianna, @mdhildreth, @cmsbuild can you please review it and eventually sign? Thanks.
@rchatter, @simonepigazzini, @fabiocos, @thomreis, @argiro this is something you requested to watch as well.
@silviodonato, @dpiparo, @qliphy you are the release manager for this.

cms-bot commands are listed here

[ianna]

please test

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-33735/22678

• This PR adds an extra 20KB to repository

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f59477/15097/summary.html
COMMIT: fc01488
CMSSW: CMSSW_12_0_X_2021-05-13-2300/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/33735/15097/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 11 differences found in the comparisons
• DQMHistoTests: Total files compared: 37
• DQMHistoTests: Total histograms compared: 2648242
• DQMHistoTests: Total failures: 18
• DQMHistoTests: Total nulls: 1
• DQMHistoTests: Total successes: 2648201
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.004 KiB( 36 files compared)
• DQMHistoSizes: changed ( 312.0 ): 0.004 KiB MessageLogger/Warnings
• Checked 155 log files, 37 edm output root files, 37 DQM output files
• TriggerResults: no differences found

[civanch]

@ianna , this is Great!

[cvuosalo]

@cmsbuild please test workflow 11634.911

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f59477/15141/summary.html
COMMIT: fc01488
CMSSW: CMSSW_12_0_X_2021-05-17-1100/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/33735/15141/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 6 differences found in the comparisons
• DQMHistoTests: Total files compared: 37
• DQMHistoTests: Total histograms compared: 2648242
• DQMHistoTests: Total failures: 12
• DQMHistoTests: Total nulls: 1
• DQMHistoTests: Total successes: 2648207
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: -0.004 KiB( 36 files compared)
• DQMHistoSizes: changed ( 312.0 ): -0.004 KiB MessageLogger/Warnings
• Checked 155 log files, 37 edm output root files, 37 DQM output files
• TriggerResults: no differences found

[cvuosalo]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @silviodonato, @dpiparo, @qliphy (and backports should be raised in the release meeting by the corresponding L2)

[qliphy]

+1