Add LandscapeDirector with a test case to build landscape using LandscapeBuilder

src/pg_rad/landscape/director.py

@@ -0,0 +1,23 @@
+from importlib.resources import files
+import logging
+
+from pg_rad.configs.filepaths import TEST_EXP_DATA
+from pg_rad.isotopes import CS137
+from pg_rad.landscape.landscape import LandscapeBuilder
+from pg_rad.objects import PointSource
+
+
+class LandscapeDirector:
+    def __init__(self):
+        self.logger = logging.getLogger(__name__)
+        self.logger.debug("LandscapeDirector initialized.")
+
+    def build_test_landscape(self):
+        fp = files('pg_rad.data').joinpath(TEST_EXP_DATA)
+        source = PointSource(activity=100, isotope=CS137(), pos=(0, 0, 0))
+        lb = LandscapeBuilder("Test landscape")
+        lb.set_air_density(1.243)
+        lb.set_path_from_experimental_data(fp, z=0)
+        lb.set_point_sources(source)
+        landscape = lb.build()
+        return landscape