1 files changed, 63 insertions, 0 deletions
diff --git a/Source/Diagnostics/BoundaryScrapingDiagnostics.H b/Source/Diagnostics/BoundaryScrapingDiagnostics.H
new file mode 100644
index 000000000..cb321b54b
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+++ b/Source/Diagnostics/BoundaryScrapingDiagnostics.H
@@ -0,0 +1,63 @@
+/* Copyright 2022 Remi Lehe
+ *
+ * This file is part of WarpX.
+ *
+ * License: BSD-3-Clause-LBNL
+ */
+#ifndef WARPX_BOUNDARYSCRAPINGDIAGNOSTICS_H_
+#define WARPX_BOUNDARYSCRAPINGDIAGNOSTICS_H_
+
+#include "Diagnostics.H"
+
+#include <string>
+
+/** collect the particles that are absorbed at the embedded boundary, throughout the simulation
+ */
+class
+BoundaryScrapingDiagnostics final : public Diagnostics
+{
+public:
+
+    /** Constructor
+     *
+     * @param i index of diagnostics in MultiDiagnostics::alldiags
+     * @param name diagnostics name in the inputs file
+     */
+    BoundaryScrapingDiagnostics (int i, std::string name);
+
+private:
+    /** Read relevant parameters for BoundaryScraping */
+    void ReadParameters ();
+    /** \brief Flush data to file. */
+    void Flush (int i_buffer) override;
+    /** \brief Return whether to dump data to file at this time step.
+     * (i.e. whether to call Flush)
+     *
+     * \param[in] step current time step
+     * \param[in] i_buffer used only for BackTransformedDiagnostics.
+     * For BoundaryScrapingDiagnostics, this is always 0
+     * \param[in] force_flush if true, return true for any step
+     */
+    bool DoDump (int step, int i_buffer, bool force_flush=false) override;
+    /** Return whether to pack field data in output buffers at this time step
+     *
+     * This is not used for BoundaryScrapingDiagnostics: no field to output
+     */
+    bool DoComputeAndPack (int step, bool force_flush=false) override;
+    /** Initialize buffers that contain field data
+     *
+     * This is not used for BoundaryScrapingDiagnostics: no field to output
+     */
+     void InitializeBufferData (int i_buffer, int lev) override;
+    /** Initialize functors that point to the fields requested by the user.
+     *
+     * This is not used for BoundaryScrapingDiagnostics: no field to output
+     */
+    void InitializeFieldFunctors (int lev) override;
+    /** Initialize the diagnostics by pointing to the `ParticleBoundaryBuffer`
+     * that correspond to the species requested by the user.
+     */
+    void InitializeParticleBuffer () override;
+
+};
+#endif // WARPX_BOUNDARYSCRAPINGDIAGNOSTICS_H_