fix export_field_file on grid (#4308)

Co-authored-by: Maxime Rey <87315832+MaxJPRey@users.noreply.github.com>

_unittest/test_12_1_PostProcessing.py

@@ -221,7 +221,7 @@ def test_07_export_fields_from_Calculator(self):
         self.aedtapp.post.export_field_file_on_grid(
             "E",
             "Setup1 : LastAdaptive",
-            self.aedtapp.available_variations.nominal_w_values,
+            self.aedtapp.available_variations.nominal_w_values_dict,
             os.path.join(self.local_scratch.path, "Efield.fld"),
             grid_stop=[5, 5, 5],
             grid_step=[0.5, 0.5, 0.5],
@@ -233,7 +233,7 @@ def test_07_export_fields_from_Calculator(self):
         self.aedtapp.post.export_field_file_on_grid(
             "Mag_E",
             "Setup1 : LastAdaptive",
-            self.aedtapp.available_variations.nominal_w_values,
+            self.aedtapp.available_variations.nominal_w_values_dict,
             os.path.join(self.local_scratch.path, "MagEfieldSph.fld"),
             gridtype="Spherical",
             grid_stop=[5, 300, 300],
@@ -246,7 +246,7 @@ def test_07_export_fields_from_Calculator(self):
         self.aedtapp.post.export_field_file_on_grid(
             "Mag_E",
             "Setup1 : LastAdaptive",
-            self.aedtapp.available_variations.nominal_w_values,
+            self.aedtapp.available_variations.nominal_w_values_dict,
             os.path.join(self.local_scratch.path, "MagEfieldCyl.fld"),
             gridtype="Cylindrical",
             grid_stop=[5, 300, 5],

_unittest/test_12_PostProcessing.py

@@ -291,7 +291,7 @@ def test_17_circuit(self, circuit_test):
         assert len(data2.data_magnitude()) > 0
         context = {"algorithm": "FFT", "max_frequency": "100MHz", "time_stop": "200ns", "test": ""}
         data3 = circuit_test.post.get_solution_data(["V(net_11)"], "Transient", "Spectral", context=context)
-        assert data3.units_sweeps["Spectrum"] == "GHz"
+        assert data3.units_sweeps["Spectrum"] == circuit_test.odesktop.GetDefaultUnit("Frequency")
         assert len(data3.data_real()) > 0
         new_report = circuit_test.post.reports_by_category.spectral(["dB(V(net_11))"], "Transient")
         new_report.window = "Hanning"
@@ -320,7 +320,6 @@ def test_17_circuit(self, circuit_test):
         new_report.time_stop = "190ns"
         new_report.plot_continous_spectrum = True
         assert new_report.create()
-        pass
 
     @pytest.mark.skipif(is_linux, reason="Crashing on Linux")
     def test_18_diff_plot(self, diff_test):
@@ -898,7 +897,7 @@ def test_76_ipk_get_scalar_field_value(self, icepak_post):
             "Heat_Flow_Rate",
             scalar_function="Integrate",
             solution=None,
-            variation_dict=["power_block:=", ["0.25W"], "power_source:=", ["0.075W"]],
+            variation_dict={"power_block": "0.25W", "power_source": "0.075W"},
             isvector=False,
             intrinsics=None,
             phase=None,
@@ -910,7 +909,7 @@ def test_76_ipk_get_scalar_field_value(self, icepak_post):
             "Heat_Flow_Rate",
             scalar_function="Integrate",
             solution=None,
-            variation_dict=["power_block:=", ["0.6W"], "power_source:=", ["0.15W"]],
+            variation_dict={"power_block": "0.6W", "power_source": "0.15W"},
             isvector=False,
             intrinsics=None,
             phase=None,
@@ -922,7 +921,7 @@ def test_76_ipk_get_scalar_field_value(self, icepak_post):
             "Heat_Flow_Rate",
             scalar_function="Integrate",
             solution=None,
-            variation_dict=["power_block:=", ["0.6W"], "power_source:=", ["0.15W"]],
+            variation_dict={"power_block": "0.6W", "power_source": "0.15W"},
             isvector=False,
             intrinsics=None,
             phase=None,
@@ -934,7 +933,7 @@ def test_76_ipk_get_scalar_field_value(self, icepak_post):
             "Temperature",
             scalar_function="Maximum",
             solution=None,
-            variation_dict=["power_block:=", ["0.6W"], "power_source:=", ["0.15W"]],
+            variation_dict={"power_block": "0.6W", "power_source": "0.15W"},
             isvector=False,
             intrinsics=None,
             phase=None,
@@ -946,7 +945,7 @@ def test_76_ipk_get_scalar_field_value(self, icepak_post):
             "Temperature",
             scalar_function="Maximum",
             solution=None,
-            variation_dict=["power_block:=", ["0.6W"], "power_source:=", ["0.15W"]],
+            variation_dict={"power_block": "0.6W", "power_source": "0.15W"},
             isvector=False,
             intrinsics=None,
             phase=None,

pyaedt/modules/PostProcessor.py

@@ -2456,23 +2456,30 @@ def get_scalar_field_value(
             elif object_type == "point":
                 self.ofieldsreporter.EnterPoint(obj_list)
             self.ofieldsreporter.CalcOp(scalar_function)
+
         if not variation_dict:
-            variation_dict = self._app.available_variations.nominal_w_values
+            variation_dict = self._app.available_variations.nominal_w_values_dict
+
+        variation = []
+        for el, value in variation_dict.items():
+            variation.append(el + ":=")
+            variation.append(value)
+
         if intrinsics:
             if "Transient" in solution:
-                variation_dict.append("Time:=")
-                variation_dict.append(intrinsics)
+                variation.append("Time:=")
+                variation.append(intrinsics)
             else:
-                variation_dict.append("Freq:=")
-                variation_dict.append(intrinsics)
-                variation_dict.append("Phase:=")
+                variation.append("Freq:=")
+                variation.append(intrinsics)
+                variation.append("Phase:=")
                 if phase:
-                    variation_dict.append(phase)
+                    variation.append(phase)
                 else:
-                    variation_dict.append("0deg")
+                    variation.append("0deg")
 
         file_name = os.path.join(self._app.working_directory, generate_unique_name("temp_fld") + ".fld")
-        self.ofieldsreporter.CalculatorWrite(file_name, ["Solution:=", solution], variation_dict)
+        self.ofieldsreporter.CalculatorWrite(file_name, ["Solution:=", solution], variation)
         value = None
         if os.path.exists(file_name) or settings.remote_rpc_session:
             with open_file(file_name, "r") as f:
@@ -2600,28 +2607,35 @@ def export_field_file_on_grid(
         else:
             self.logger.error("Error in the type of the grid.")
             return False
+
         if not variation_dict:
-            variation_dict = self._app.available_variations.nominal_w_values
+            variation_dict = self._app.available_variations.nominal_w_values_dict
+
+        variation = []
+        for el, value in variation_dict.items():
+            variation.append(el + ":=")
+            variation.append(value)
+
         if intrinsics:
             if "Transient" in solution:
-                variation_dict.append("Time:=")
-                variation_dict.append(intrinsics)
+                variation.append("Time:=")
+                variation.append(intrinsics)
             else:
-                variation_dict.append("Freq:=")
-                variation_dict.append(intrinsics)
-                variation_dict.append("Phase:=")
+                variation.append("Freq:=")
+                variation.append(intrinsics)
+                variation.append("Phase:=")
                 if phase:
-                    variation_dict.append(phase)
+                    variation.append(phase)
                 else:
-                    variation_dict.append("0deg")
+                    variation.append("0deg")
 
         self.ofieldsreporter.ExportOnGrid(
             filename,
             grid_start_wu,
             grid_stop_wu,
             grid_step_wu,
             solution,
-            variation_dict,
+            variation,
             True,
             gridtype,
             grid_center,