Fix restart btd (#3734)

* Correct calculation of m_t_lab

* write BTD related restart, read, and init data before and after accordingly

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* write snapshot domain lo and hi in moving window dir

* write lo and hi of snapshot domain for all dimensions

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* clean up

* more meta data and redefine snapshot geom, buffer mf and write to new dir for plotfile instead of merging

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* use virtual functions

* empty else condition

* remove commented line

* fix error in returning k-index. Thanks CI

* doxygen comments

* doxygen comments

* more doxygen

---------

Co-authored-by: Remi Lehe <remi.lehe@normalesup.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/Source/Initialization/WarpXInitData.cpp b/Source/Initialization/WarpXInitData.cpp
index 4b7cb4df6..ede8cc3c8 100644
--- a/Source/Initialization/WarpXInitData.cpp
+++ b/Source/Initialization/WarpXInitData.cpp
@@ -387,12 +387,14 @@ WarpX::InitData ()
         ComputeDt();
         WarpX::PrintDtDxDyDz();
         InitFromScratch();
+        InitDiagnostics();
     }
     else
     {
         InitFromCheckpoint();
         WarpX::PrintDtDxDyDz();
         PostRestart();
+        reduced_diags->InitData();
     }
 
     ComputeMaxStep();
@@ -409,8 +411,6 @@ WarpX::InitData ()
         m_macroscopic_properties->InitData();
     }
 
-    InitDiagnostics();
-
     if (ParallelDescriptor::IOProcessor()) {
         std::cout << "\nGrids Summary:\n";
         printGridSummary(std::cout, 0, finestLevel());