Krook sink mask plottting for sheath

See merge request gysela-developpers/gyselalibxx!457

--------------------------------------------

post-process/PythonScripts/geometryXVx/sheath/plot_krook_sink_mask

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+
+# SPDX-License-Identifier: MIT
+"""Plots the mask M(x), constant or adaptive, of the Krook operator
+"""
+import os
+
+from argparse import ArgumentParser
+from pathlib import Path
+
+from gysdata import DiskStore
+from plot_utils import plot_field1d
+
+
+if __name__ == '__main__':
+    parser = ArgumentParser(
+        description='Plots the krook adaptive or constant sink mask')
+    parser.add_argument('data_dir',
+                        action='store',
+                        nargs='?',
+                        default=Path.cwd(),
+                        type=Path,
+                        help='location of the results')
+    parser.add_argument('--itime',
+                        action='store',
+                        default=-1,
+                        type=int,
+                        help='time index')
+
+    args = parser.parse_args()
+
+    # Load data
+    # Load the DiskStore (to access the made calculations)
+    path_data_structure = Path('data_structure_sheath.yaml')
+    ds = DiskStore(args.data_dir, data_structure=path_data_structure)
+    try:
+        mask = ds['krook_sink_adaptive_mask']
+        mask_type = "adaptive"
+        output_filename = os.path.join(Path.cwd(), f'{mask_type}_krook_sink_mask.png')
+        plot_field1d({f'{mask_type}_krook_sink_mask': mask}, f'{mask_type}_krook_sink_mask', output_filename)
+    except KeyError as e:
+        print('Info: no adaptive krook sink in simulation:', e)
+    try:
+        mask = ds['krook_sink_constant_mask']
+        mask_type = "constant"
+        output_filename = os.path.join(Path.cwd(), f'{mask_type}_krook_sink_mask.png')
+        plot_field1d({f'{mask_type}_krook_sink_mask': mask}, f'{mask_type}_krook_sink_mask', output_filename)
+    except KeyError as e:
+        print('Info: no constant krook sink in simulation:', e)