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/* Copyright 2021 Elisa Rheaume, Axel Huebl
*
* This file is part of WarpX.
*
* License: BSD-3-Clause-LBNL
*/
#include "FieldProbeParticleContainer.H"
#include "Particles/Deposition/ChargeDeposition.H"
#include "Particles/Deposition/CurrentDeposition.H"
#include "Particles/Pusher/GetAndSetPosition.H"
#include "Particles/Pusher/UpdatePosition.H"
#include "Particles/ParticleBoundaries_K.H"
#include "Utils/TextMsg.H"
#include "Utils/WarpXAlgorithmSelection.H"
#include "Utils/WarpXConst.H"
#include "Utils/WarpXProfilerWrapper.H"
#include "WarpX.H"
#include <AMReX.H>
#include <AMReX_AmrCore.H>
#include <AMReX_AmrParGDB.H>
#include <AMReX_BLassert.H>
#include <AMReX_Box.H>
#include <AMReX_BoxArray.H>
#include <AMReX_Config.H>
#include <AMReX_Dim3.H>
#include <AMReX_Extension.H>
#include <AMReX_FabArray.H>
#include <AMReX_Geometry.H>
#include <AMReX_GpuAllocators.H>
#include <AMReX_GpuAtomic.H>
#include <AMReX_GpuControl.H>
#include <AMReX_GpuDevice.H>
#include <AMReX_GpuLaunch.H>
#include <AMReX_GpuQualifiers.H>
#include <AMReX_IndexType.H>
#include <AMReX_IntVect.H>
#include <AMReX_LayoutData.H>
#include <AMReX_MFIter.H>
#include <AMReX_MultiFab.H>
#include <AMReX_PODVector.H>
#include <AMReX_ParGDB.H>
#include <AMReX_ParallelDescriptor.H>
#include <AMReX_ParallelReduce.H>
#include <AMReX_ParmParse.H>
#include <AMReX_Particle.H>
#include <AMReX_ParticleContainerBase.H>
#include <AMReX_ParticleTile.H>
#include <AMReX_ParticleTransformation.H>
#include <AMReX_ParticleUtil.H>
#include <AMReX_TinyProfiler.H>
#include <AMReX_Utility.H>
#include <algorithm>
#include <cmath>
using namespace amrex;
FieldProbeParticleContainer::FieldProbeParticleContainer (AmrCore* amr_core)
: ParticleContainer<0, 0, FieldProbePIdx::nattribs>(amr_core->GetParGDB())
{
SetParticleSize();
}
void
FieldProbeParticleContainer::AddNParticles (int lev,
amrex::Vector<amrex::ParticleReal> const & x,
amrex::Vector<amrex::ParticleReal> const & y,
amrex::Vector<amrex::ParticleReal> const & z)
{
WARPX_ALWAYS_ASSERT_WITH_MESSAGE(lev == 0, "AddNParticles: only lev=0 is supported yet.");
AMREX_ALWAYS_ASSERT(x.size() == y.size());
AMREX_ALWAYS_ASSERT(x.size() == z.size());
// number of particles to add
int const np = x.size();
// have to resize here, not in the constructor because grids have not
// been built when constructor was called.
reserveData();
resizeData();
auto& particle_tile = DefineAndReturnParticleTile(0, 0, 0);
/*
* Creates a temporary tile to obtain data from simulation. This data
* is then coppied to the permament tile which is stored on the particle
* (particle_tile).
*/
using PinnedTile = ParticleTile<amrex::Particle<NStructReal, NStructInt>,
NArrayReal, NArrayInt,
amrex::PinnedArenaAllocator>;
PinnedTile pinned_tile;
pinned_tile.define(NumRuntimeRealComps(), NumRuntimeIntComps());
for (int i = 0; i < np; i++)
{
ParticleType p;
p.id() = ParticleType::NextID();
p.cpu() = ParallelDescriptor::MyProc();
#if defined(WARPX_DIM_3D)
p.pos(0) = x[i];
p.pos(1) = y[i];
p.pos(2) = z[i];
#elif defined(WARPX_DIM_XZ) || defined(WARPX_DIM_RZ)
amrex::ignore_unused(y);
p.pos(0) = x[i];
p.pos(1) = z[i];
#elif defined(WARPX_DIM_1D_Z)
amrex::ignore_unused(x, y);
p.pos(0) = z[i];
#endif
// write position, cpu id, and particle id to particle
pinned_tile.push_back(p);
}
// write Real attributes (SoA) to particle initialized zero
DefineAndReturnParticleTile(0, 0, 0);
// for RZ write theta value
#ifdef WARPX_DIM_RZ
pinned_tile.push_back_real(FieldProbePIdx::theta, np, 0.0);
#endif
pinned_tile.push_back_real(FieldProbePIdx::Ex, np, 0.0);
pinned_tile.push_back_real(FieldProbePIdx::Ey, np, 0.0);
pinned_tile.push_back_real(FieldProbePIdx::Ez, np, 0.0);
pinned_tile.push_back_real(FieldProbePIdx::Bx, np, 0.0);
pinned_tile.push_back_real(FieldProbePIdx::By, np, 0.0);
pinned_tile.push_back_real(FieldProbePIdx::Bz, np, 0.0);
pinned_tile.push_back_real(FieldProbePIdx::S, np, 0.0);
auto old_np = particle_tile.numParticles();
auto new_np = old_np + pinned_tile.numParticles();
particle_tile.resize(new_np);
amrex::copyParticles(
particle_tile, pinned_tile, 0, old_np, pinned_tile.numParticles());
/*
* Redistributes particles to their appropriate tiles if the box
* structure of the simulation changes to accomodate data more
* efficiently.
*/
Redistribute();
}
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