add digits format plot (#4266)

* add digits format plot

* increase codecov

* increase codecov

Author: gmalinve

_unittest/test_02_2D_modeler.py

@@ -166,7 +166,12 @@ def test_09_plot(self):
         self.aedtapp.modeler.create_regular_polygon(
             position=[0, 0, 0], start_point=[0, 0, 2], num_sides=3, name="MyPolygon", matname="Copper"
         )
-        obj = self.aedtapp.plot(show=False, export_path=os.path.join(self.local_scratch.path, "image.jpg"))
+        obj = self.aedtapp.plot(
+            show=False,
+            export_path=os.path.join(self.local_scratch.path, "image.jpg"),
+            show_bounding=True,
+            show_grid=True,
+        )
         assert os.path.exists(obj.image_file)
         obj2 = self.aedtapp.plot(show=False, export_path=os.path.join(self.local_scratch.path, "image.jpg"), view="xy")
         assert os.path.exists(obj2.image_file)

pyaedt/generic/plot.py

@@ -730,6 +730,7 @@ def __init__(self):
         self._frames = []
         self.show_axes = True
         self.show_legend = True
+        self.digits_format = "%.2e"
         self.show_grid = True
         self.is_notebook = is_notebook()
         self.gif_file = None
@@ -1539,7 +1540,7 @@ def plot(self, export_image_path=None):
                 shadow=True,
                 n_labels=9,
                 italic=True,
-                fmt="%.1f",
+                fmt=self.digits_format,
                 font_family="arial",
                 interactive=True,
                 color=axes_color,
@@ -1594,7 +1595,7 @@ def plot(self, export_image_path=None):
         if self.show_axes:
             self.pv.show_axes()
         if not self.is_notebook and self.show_grid:
-            self.pv.show_grid(color=tuple(axes_color), grid=self.show_grid, fmt="%.2e")
+            self.pv.show_grid(color=tuple(axes_color), grid=self.show_grid, fmt=self.digits_format)
         if self.bounding_box:
             self.pv.add_bounding_box(color=tuple(axes_color))