Merge pull request #568 from dpgrote/pml_python

Adds Python wrapper of PML fields

2 files changed, 489 insertions, 3 deletions

diff --git a/Python/pywarpx/_libwarpx.py b/Python/pywarpx/_libwarpx.py
index 6c3e54619..0444140e4 100755
--- a/Python/pywarpx/_libwarpx.py
+++ b/Python/pywarpx/_libwarpx.py
@@ -130,18 +130,30 @@ libwarpx.warpx_getEfieldCP.restype = _LP_LP_c_real
 libwarpx.warpx_getEfieldCPLoVects.restype = _LP_c_int
 libwarpx.warpx_getEfieldFP.restype = _LP_LP_c_real
 libwarpx.warpx_getEfieldFPLoVects.restype = _LP_c_int
+libwarpx.warpx_getEfieldCP_PML.restype = _LP_LP_c_real
+libwarpx.warpx_getEfieldCPLoVects_PML.restype = _LP_c_int
+libwarpx.warpx_getEfieldFP_PML.restype = _LP_LP_c_real
+libwarpx.warpx_getEfieldFPLoVects_PML.restype = _LP_c_int
 libwarpx.warpx_getBfield.restype = _LP_LP_c_real
 libwarpx.warpx_getBfieldLoVects.restype = _LP_c_int
 libwarpx.warpx_getBfieldCP.restype = _LP_LP_c_real
 libwarpx.warpx_getBfieldCPLoVects.restype = _LP_c_int
 libwarpx.warpx_getBfieldFP.restype = _LP_LP_c_real
 libwarpx.warpx_getBfieldFPLoVects.restype = _LP_c_int
+libwarpx.warpx_getBfieldCP_PML.restype = _LP_LP_c_real
+libwarpx.warpx_getBfieldCPLoVects_PML.restype = _LP_c_int
+libwarpx.warpx_getBfieldFP_PML.restype = _LP_LP_c_real
+libwarpx.warpx_getBfieldFPLoVects_PML.restype = _LP_c_int
 libwarpx.warpx_getCurrentDensity.restype = _LP_LP_c_real
 libwarpx.warpx_getCurrentDensityLoVects.restype = _LP_c_int
 libwarpx.warpx_getCurrentDensityCP.restype = _LP_LP_c_real
 libwarpx.warpx_getCurrentDensityCPLoVects.restype = _LP_c_int
 libwarpx.warpx_getCurrentDensityFP.restype = _LP_LP_c_real
 libwarpx.warpx_getCurrentDensityFPLoVects.restype = _LP_c_int
+libwarpx.warpx_getCurrentDensityCP_PML.restype = _LP_LP_c_real
+libwarpx.warpx_getCurrentDensityCPLoVects_PML.restype = _LP_c_int
+libwarpx.warpx_getCurrentDensityFP_PML.restype = _LP_LP_c_real
+libwarpx.warpx_getCurrentDensityFPLoVects_PML.restype = _LP_c_int
 
 #libwarpx.warpx_getPMLSigma.restype = _LP_c_real
 #libwarpx.warpx_getPMLSigmaStar.restype = _LP_c_real
@@ -747,6 +759,66 @@ def get_mesh_electric_field_fp(level, direction, include_ghosts=True):
     return _get_mesh_field_list(libwarpx.warpx_getEfieldFP, level, direction, include_ghosts)
 
 
+def get_mesh_electric_field_cp_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of numpy arrays containing the mesh electric field
+    data on each grid for this process. This version returns the field on
+    the coarse patch for the PML for the given level.
+
+    The data for the numpy arrays are not copied, but share the underlying
+    memory buffer with WarpX. The numpy arrays are fully writeable.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A List of numpy arrays.
+
+    '''
+
+    try:
+        return _get_mesh_field_list(libwarpx.warpx_getEfieldCP_PML, level, direction, include_ghosts)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+
+def get_mesh_electric_field_fp_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of numpy arrays containing the mesh electric field
+    data on each grid for this process. This version returns the field on
+    the fine patch for the PML for the given level.
+
+    The data for the numpy arrays are not copied, but share the underlying
+    memory buffer with WarpX. The numpy arrays are fully writeable.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A List of numpy arrays.
+
+    '''
+
+    try:
+        return _get_mesh_field_list(libwarpx.warpx_getEfieldFP_PML, level, direction, include_ghosts)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+
 def get_mesh_magnetic_field(level, direction, include_ghosts=True):
     '''
 
@@ -829,6 +901,66 @@ def get_mesh_magnetic_field_fp(level, direction, include_ghosts=True):
     return _get_mesh_field_list(libwarpx.warpx_getBfieldFP, level, direction, include_ghosts)
 
 
+def get_mesh_magnetic_field_cp_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of numpy arrays containing the mesh magnetic field
+    data on each grid for this process. This version returns the field on
+    the coarse patch for the PML for the given level.
+
+    The data for the numpy arrays are not copied, but share the underlying
+    memory buffer with WarpX. The numpy arrays are fully writeable.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A List of numpy arrays.
+
+    '''
+
+    try:
+        return _get_mesh_field_list(libwarpx.warpx_getBfieldCP_PML, level, direction, include_ghosts)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+
+def get_mesh_magnetic_field_fp_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of numpy arrays containing the mesh magnetic field
+    data on each grid for this process. This version returns the field on
+    the fine patch for the PML for the given level.
+
+    The data for the numpy arrays are not copied, but share the underlying
+    memory buffer with WarpX. The numpy arrays are fully writeable.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A List of numpy arrays.
+
+    '''
+
+    try:
+        return _get_mesh_field_list(libwarpx.warpx_getBfieldFP_PML, level, direction, include_ghosts)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+
 def get_mesh_current_density(level, direction, include_ghosts=True):
     '''
 
@@ -909,6 +1041,66 @@ def get_mesh_current_density_fp(level, direction, include_ghosts=True):
     return _get_mesh_field_list(libwarpx.warpx_getCurrentDensityFP, level, direction, include_ghosts)
 
 
+def get_mesh_current_density_cp_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of numpy arrays containing the mesh current density
+    data on each grid for this process. This version returns the density for
+    the coarse patch for the PML for the given level.
+
+    The data for the numpy arrays are not copied, but share the underlying
+    memory buffer with WarpX. The numpy arrays are fully writeable.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A List of numpy arrays.
+
+    '''
+
+    try:
+        return _get_mesh_field_list(libwarpx.warpx_getCurrentDensityCP_PML, level, direction, include_ghosts)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+
+def get_mesh_current_density_fp_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of numpy arrays containing the mesh current density
+    data on each grid for this process. This version returns the density on
+    the fine patch for the PML for the given level.
+
+    The data for the numpy arrays are not copied, but share the underlying
+    memory buffer with WarpX. The numpy arrays are fully writeable.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A List of numpy arrays.
+
+    '''
+
+    try:
+        return _get_mesh_field_list(libwarpx.warpx_getCurrentDensityFP_PML, level, direction, include_ghosts)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+
 def _get_mesh_array_lovects(level, direction, include_ghosts=True, getarrayfunc=None):
     assert(0 <= level and level <= libwarpx.warpx_finestLevel())
 
@@ -998,6 +1190,56 @@ def get_mesh_electric_field_fp_lovects(level, direction, include_ghosts=True):
     return _get_mesh_array_lovects(level, direction, include_ghosts, libwarpx.warpx_getEfieldFPLoVects)
 
 
+def get_mesh_electric_field_cp_lovects_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of the lo vectors of the arrays containing the mesh electric field
+    data on each PML grid for this process.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A 2d numpy array of the lo vector for each grid with the shape (dims, number of grids)
+
+    '''
+    try:
+        return _get_mesh_array_lovects(level, direction, include_ghosts, libwarpx.warpx_getEfieldCPLoVects_PML)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+
+def get_mesh_electric_field_fp_lovects_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of the lo vectors of the arrays containing the mesh electric field
+    data on each PML grid for this process.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A 2d numpy array of the lo vector for each grid with the shape (dims, number of grids)
+
+    '''
+    try:
+        return _get_mesh_array_lovects(level, direction, include_ghosts, libwarpx.warpx_getEfieldFPLoVects_PML)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+
 def get_mesh_magnetic_field_lovects(level, direction, include_ghosts=True):
     '''
 
@@ -1066,6 +1308,56 @@ def get_mesh_magnetic_field_fp_lovects(level, direction, include_ghosts=True):
     return _get_mesh_array_lovects(level, direction, include_ghosts, libwarpx.warpx_getBfieldFPLoVects)
 
 
+def get_mesh_magnetic_field_cp_lovects_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of the lo vectors of the arrays containing the mesh electric field
+    data on each PML grid for this process.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A 2d numpy array of the lo vector for each grid with the shape (dims, number of grids)
+
+    '''
+    try:
+        return _get_mesh_array_lovects(level, direction, include_ghosts, libwarpx.warpx_getBfieldCPLoVects_PML)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+
+def get_mesh_magnetic_field_fp_lovects_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of the lo vectors of the arrays containing the mesh electric field
+    data on each PML grid for this process.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A 2d numpy array of the lo vector for each grid with the shape (dims, number of grids)
+
+    '''
+    try:
+        return _get_mesh_array_lovects(level, direction, include_ghosts, libwarpx.warpx_getBfieldFPLoVects_PML)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+
 def get_mesh_current_density_lovects(level, direction, include_ghosts=True):
     '''
 
@@ -1129,3 +1421,52 @@ def get_mesh_current_density_fp_lovects(level, direction, include_ghosts=True):
 
     '''
     return _get_mesh_array_lovects(level, direction, include_ghosts, libwarpx.warpx_getCurrentDensityFPLoVects)
+
+
+def get_mesh_current_density_cp_lovects_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of the lo vectors of the arrays containing the mesh electric field
+    data on each PML grid for this process.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A 2d numpy array of the lo vector for each grid with the shape (dims, number of grids)
+
+    '''
+    try:
+        return _get_mesh_array_lovects(level, direction, include_ghosts, libwarpx.warpx_getCurrentDensityCPLoVects_PML)
+    except ValueError:
+        raise Exception('PML not initialized')
+
+def get_mesh_current_density_fp_lovects_pml(level, direction, include_ghosts=True):
+    '''
+
+    This returns a list of the lo vectors of the arrays containing the mesh electric field
+    data on each PML grid for this process.
+
+    Parameters
+    ----------
+
+        level          : the AMR level to get the data for
+        direction      : the component of the data you want
+        include_ghosts : whether to include ghost zones or not
+
+    Returns
+    -------
+
+        A 2d numpy array of the lo vector for each grid with the shape (dims, number of grids)
+
+    '''
+    try:
+        return _get_mesh_array_lovects(level, direction, include_ghosts, libwarpx.warpx_getCurrentDensityFPLoVects_PML)
+    except ValueError:
+        raise Exception('PML not initialized')
diff --git a/Python/pywarpx/fields.py b/Python/pywarpx/fields.py
index fa247db07..920c109d6 100644
--- a/Python/pywarpx/fields.py
+++ b/Python/pywarpx/fields.py
@@ -87,14 +87,28 @@ class _MultiFABWrapper(object):
     def _getitem3d(self, index):
         """Returns slices of a 3D decomposed array,
         """
-        ix = index[0]
-        iy = index[1]
-        iz = index[2]
 
         lovects = self._getlovects()
         hivects = self._gethivects()
         fields = self._getfields()
 
+        ix = index[0]
+        iy = index[1]
+        iz = index[2]
+
+        if len(fields[0].shape) > self.dim:
+            ncomps = fields[0].shape[-1]
+        else:
+            ncomps = 1
+
+        if len(index) > self.dim:
+            if ncomps > 1:
+                ic = index[-1]
+            else:
+                raise Exception('Too many indices given')
+        else:
+            ic = None
+
         nx = hivects[0,:].max() - self.nghosts
         ny = hivects[1,:].max() - self.nghosts
         nz = hivects[2,:].max() - self.nghosts
@@ -124,9 +138,12 @@ class _MultiFABWrapper(object):
             izstop = iz + 1
 
         # --- Setup the size of the array to be returned and create it.
+        # --- Space is added for multiple components if needed.
         sss = (max(0, ixstop - ixstart),
                max(0, iystop - iystart),
                max(0, izstop - izstart))
+        if ncomps > 1 and ic is None:
+            sss = tuple(list(sss) + [ncomps])
         resultglobal = np.zeros(sss, dtype=_libwarpx._numpy_real_dtype)
 
         datalist = []
@@ -145,6 +162,8 @@ class _MultiFABWrapper(object):
                 sss = (slice(ix1 - lovects[0,i], ix2 - lovects[0,i]),
                        slice(iy1 - lovects[1,i], iy2 - lovects[1,i]),
                        slice(iz1 - lovects[2,i], iz2 - lovects[2,i]))
+                if ic is not None:
+                    sss = tuple(list(sss) + [ic])
 
                 vslice = (slice(ix1 - ixstart, ix2 - ixstart),
                           slice(iy1 - iystart, iy2 - iystart),
@@ -295,6 +314,14 @@ class _MultiFABWrapper(object):
         hivects = self._gethivects()
         fields = self._getfields()
 
+        if len(index) > self.dim:
+            if ncomps > 1:
+                ic = index[-1]
+            else:
+                raise Exception('Too many indices given')
+        else:
+            ic = None
+
         nx = hivects[0,:].max() - self.nghosts
         ny = hivects[1,:].max() - self.nghosts
         nz = hivects[2,:].max() - self.nghosts
@@ -343,6 +370,8 @@ class _MultiFABWrapper(object):
                 sss = (slice(ix1 - lovects[0,i], ix2 - lovects[0,i]),
                        slice(iy1 - lovects[1,i], iy2 - lovects[1,i]),
                        slice(iz1 - lovects[2,i], iz2 - lovects[2,i]))
+                if ic is not None:
+                    sss = tuple(list(sss) + [ic])
 
                 if isinstance(value, np.ndarray):
                     vslice = (slice(ix1 - ixstart, ix2 - ixstart),
@@ -593,3 +622,119 @@ def JzFPWrapper(level=0, include_ghosts=False):
                             get_lovects=_libwarpx.get_mesh_current_density_fp_lovects,
                             get_fabs=_libwarpx.get_mesh_current_density_fp,
                             level=level, include_ghosts=include_ghosts)
+def ExCPPMLWrapper(level=1, include_ghosts=False):
+    assert level>0, Exception('Coarse patch only available on levels > 0')
+    return _MultiFABWrapper(direction=0, overlaps=[0,1,1],
+                            get_lovects=_libwarpx.get_mesh_electric_field_cp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_electric_field_cp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def EyCPPMLWrapper(level=1, include_ghosts=False):
+    assert level>0, Exception('Coarse patch only available on levels > 0')
+    return _MultiFABWrapper(direction=1, overlaps=[1,0,1],
+                            get_lovects=_libwarpx.get_mesh_electric_field_cp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_electric_field_cp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def EzCPPMLWrapper(level=1, include_ghosts=False):
+    assert level>0, Exception('Coarse patch only available on levels > 0')
+    return _MultiFABWrapper(direction=2, overlaps=[1,1,0],
+                            get_lovects=_libwarpx.get_mesh_electric_field_cp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_electric_field_cp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def BxCPPMLWrapper(level=1, include_ghosts=False):
+    assert level>0, Exception('Coarse patch only available on levels > 0')
+    return _MultiFABWrapper(direction=0, overlaps=[1,0,0],
+                            get_lovects=_libwarpx.get_mesh_magnetic_field_cp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_magnetic_field_cp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def ByCPPMLWrapper(level=1, include_ghosts=False):
+    assert level>0, Exception('Coarse patch only available on levels > 0')
+    return _MultiFABWrapper(direction=1, overlaps=[0,1,0],
+                            get_lovects=_libwarpx.get_mesh_magnetic_field_cp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_magnetic_field_cp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def BzCPPMLWrapper(level=1, include_ghosts=False):
+    assert level>0, Exception('Coarse patch only available on levels > 0')
+    return _MultiFABWrapper(direction=2, overlaps=[0,0,1],
+                            get_lovects=_libwarpx.get_mesh_magnetic_field_cp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_magnetic_field_cp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def JxCPPMLWrapper(level=1, include_ghosts=False):
+    assert level>0, Exception('Coarse patch only available on levels > 0')
+    return _MultiFABWrapper(direction=0, overlaps=[0,1,1],
+                            get_lovects=_libwarpx.get_mesh_current_density_cp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_current_density_cp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def JyCPPMLWrapper(level=1, include_ghosts=False):
+    assert level>0, Exception('Coarse patch only available on levels > 0')
+    return _MultiFABWrapper(direction=1, overlaps=[1,0,1],
+                            get_lovects=_libwarpx.get_mesh_current_density_cp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_current_density_cp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def JzCPPMLWrapper(level=1, include_ghosts=False):
+    assert level>0, Exception('Coarse patch only available on levels > 0')
+    return _MultiFABWrapper(direction=2, overlaps=[1,1,0],
+                            get_lovects=_libwarpx.get_mesh_current_density_cp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_current_density_cp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def ExFPPMLWrapper(level=0, include_ghosts=False):
+    return _MultiFABWrapper(direction=0, overlaps=[0,1,1],
+                            get_lovects=_libwarpx.get_mesh_electric_field_fp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_electric_field_fp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def EyFPPMLWrapper(level=0, include_ghosts=False):
+    return _MultiFABWrapper(direction=1, overlaps=[1,0,1],
+                            get_lovects=_libwarpx.get_mesh_electric_field_fp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_electric_field_fp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def EzFPPMLWrapper(level=0, include_ghosts=False):
+    return _MultiFABWrapper(direction=2, overlaps=[1,1,0],
+                            get_lovects=_libwarpx.get_mesh_electric_field_fp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_electric_field_fp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def BxFPPMLWrapper(level=0, include_ghosts=False):
+    return _MultiFABWrapper(direction=0, overlaps=[1,0,0],
+                            get_lovects=_libwarpx.get_mesh_magnetic_field_fp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_magnetic_field_fp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def ByFPPMLWrapper(level=0, include_ghosts=False):
+    return _MultiFABWrapper(direction=1, overlaps=[0,1,0],
+                            get_lovects=_libwarpx.get_mesh_magnetic_field_fp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_magnetic_field_fp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def BzFPPMLWrapper(level=0, include_ghosts=False):
+    return _MultiFABWrapper(direction=2, overlaps=[0,0,1],
+                            get_lovects=_libwarpx.get_mesh_magnetic_field_fp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_magnetic_field_fp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def JxFPPMLWrapper(level=0, include_ghosts=False):
+    return _MultiFABWrapper(direction=0, overlaps=[0,1,1],
+                            get_lovects=_libwarpx.get_mesh_current_density_fp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_current_density_fp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def JyFPPMLWrapper(level=0, include_ghosts=False):
+    return _MultiFABWrapper(direction=1, overlaps=[1,0,1],
+                            get_lovects=_libwarpx.get_mesh_current_density_fp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_current_density_fp_pml,
+                            level=level, include_ghosts=include_ghosts)
+
+def JzFPPMLWrapper(level=0, include_ghosts=False):
+    return _MultiFABWrapper(direction=2, overlaps=[1,1,0],
+                            get_lovects=_libwarpx.get_mesh_current_density_fp_lovects_pml,
+                            get_fabs=_libwarpx.get_mesh_current_density_fp_pml,
+                            level=level, include_ghosts=include_ghosts)