FIX: Allow scale_min and max to be set if not log scale (#5131)

Co-authored-by: Sébastien Morais <[email protected]>

_unittest/test_12_1_PostProcessing.py

@@ -596,6 +596,95 @@ def test_14B_Field_Ploton_Vector(self):
             image_format="jpg",
         )
         assert os.path.exists(plot_obj.image_file)
+        assert plot_obj.range_min is None
+        assert plot_obj.range_max is None
+        plot_obj_1 = self.aedtapp.post.plot_field(
+            "Vector_E",
+            cutlist,
+            "CutPlane",
+            setup=setup_name,
+            intrinsics=intrinsic,
+            mesh_on_fields=False,
+            view="isometric",
+            show=False,
+            export_path=self.local_scratch.path,
+            image_format="jpg",
+            log_scale=False,
+        )
+        assert os.path.exists(plot_obj_1.image_file)
+        assert plot_obj_1.range_min is None
+        assert plot_obj_1.range_max is None
+        plot_obj_2 = self.aedtapp.post.plot_field(
+            "Vector_E",
+            cutlist,
+            "CutPlane",
+            setup=setup_name,
+            intrinsics=intrinsic,
+            mesh_on_fields=False,
+            view="isometric",
+            show=False,
+            export_path=self.local_scratch.path,
+            image_format="jpg",
+            log_scale=False,
+            scale_min=0,
+            scale_max=10e6,
+        )
+        assert os.path.exists(plot_obj_2.image_file)
+        assert plot_obj_2.range_min == 0
+        assert plot_obj_2.range_max == 10e6
+        plot_obj_3 = self.aedtapp.post.plot_field(
+            "Vector_E",
+            cutlist,
+            "CutPlane",
+            setup=setup_name,
+            intrinsics=intrinsic,
+            mesh_on_fields=False,
+            view="isometric",
+            show=False,
+            export_path=self.local_scratch.path,
+            image_format="jpg",
+            log_scale=True,
+            scale_min=0,
+            scale_max=10e6,
+        )
+        assert os.path.exists(plot_obj_3.image_file)
+        assert plot_obj_3.range_min is None
+        assert plot_obj_3.range_max is None
+        plot_obj_4 = self.aedtapp.post.plot_field(
+            "Vector_E",
+            cutlist,
+            "CutPlane",
+            setup=setup_name,
+            intrinsics=intrinsic,
+            mesh_on_fields=False,
+            view="isometric",
+            show=False,
+            export_path=self.local_scratch.path,
+            image_format="jpg",
+            log_scale=True,
+            scale_min=10e6,
+            scale_max=0,
+        )
+        assert os.path.exists(plot_obj_4.image_file)
+        assert plot_obj_4.range_min is None
+        assert plot_obj_4.range_max is None
+        plot_obj_5 = self.aedtapp.post.plot_field(
+            "Vector_E",
+            cutlist,
+            "CutPlane",
+            setup=setup_name,
+            intrinsics=intrinsic,
+            mesh_on_fields=False,
+            view="isometric",
+            show=False,
+            export_path=self.local_scratch.path,
+            image_format="jpg",
+            log_scale=False,
+            scale_min=0,
+        )
+        assert os.path.exists(plot_obj_5.image_file)
+        assert plot_obj_5.range_min is None
+        assert plot_obj_5.range_max is None
 
     @pytest.mark.skipif(is_linux or sys.version_info < (3, 8), reason="Not running in ironpython")
     def test_15_export_plot(self):

src/ansys/aedt/core/modules/advanced_post_processing.py

@@ -447,7 +447,13 @@ def plot_field_from_fieldplot(
         if is_pcb:
             model.z_scale = 5
 
-        if scale_min and scale_max:
+        if scale_min is not None and scale_max is None or scale_min is None and scale_max is not None:
+            self.logger.warning("Invalid scale values: both values must be None or different from None.")
+        elif scale_min is not None and scale_max is not None and not 0 <= scale_min < scale_max:
+            self.logger.warning("Invalid scale values: scale_min must be greater than zero and less than scale_max.")
+        elif log_scale and scale_min == 0:
+            self.logger.warning("Invalid scale minimum value for logarithm scale.")
+        else:
             model.range_min = scale_min
             model.range_max = scale_max
         if project_path: