update tests and plotting

tests/test_fluence_rate.py

@@ -3,20 +3,20 @@ import pytest
 
 from pg_rad.inputparser.parser import ConfigParser
 from pg_rad.landscape.director import LandscapeDirector
-from pg_rad.physics import calculate_fluence_at
+from pg_rad.physics.fluence import phi
 
 
 @pytest.fixture
 def isotropic_detector():
-    from pg_rad.detector.detectors import IsotropicDetector
-    return IsotropicDetector(name="test_detector", eff=1.0)
+    from pg_rad.detector.detector import load_detector
+    return load_detector('dummy')
 
 
 @pytest.fixture
 def phi_ref(test_landscape, isotropic_detector):
     source = test_landscape.point_sources[0]
 
-    r = np.linalg.norm(np.array([10, 10, 0]) - np.array(source.pos))
+    r = np.linalg.norm(np.array([0, 0, 0]) - np.array(source.pos))
 
     A = source.activity * 1E6
     b = source.isotope.b
@@ -43,12 +43,11 @@ def test_landscape():
     sources:
         test_source:
             activity_MBq: 100
-            position: [0, 0, 0]
-            isotope: CS137
+            position: [0, 100, 0]
+            isotope: Cs137
+            gamma_energy_keV: 661
 
-    detector:
-        name: dummy
-        is_isotropic: True
+    detector: dummy
     """
 
     cp = ConfigParser(test_yaml).parse()
@@ -57,10 +56,15 @@ def test_landscape():
 
 
 def test_single_source_fluence(phi_ref, test_landscape, isotropic_detector):
-    phi = calculate_fluence_at(
-        test_landscape,
-        np.array([10, 10, 0]),
-        isotropic_detector,
-        tangent_vectors=None,
+    s = test_landscape.point_sources[0]
+    r = np.linalg.norm(np.array([0, 0, 0]) - np.array(s.pos))
+    phi_calc = phi(
+        r,
+        s.activity*1E6,
+        s.isotope.b,
+        s.isotope.mu_mass_air,
+        test_landscape.air_density,
+        isotropic_detector.get_efficiency(s.isotope.E)
         )
-    assert pytest.approx(phi[0], rel=1E-3) == phi_ref
+
+    assert pytest.approx(phi_calc, rel=1E-6) == phi_ref