Fixed double colorbar in example. (#672)

* Fixed double colorbar in example.

* Fixing style.

* Added title to colorbar.

* Removed useless output in pl.show.

Author: germa89

examples/00-mapdl-examples/path_operations.py

@@ -177,11 +177,13 @@
 
 # good camera position (determined manually using pl.camera_position)
 cpos = [(3.2, 4, 8), (0.25, 1.0, 5.0), (0.0, 0.0, 1.0)]
+max_ = np.max((out["Stress YZ"].max(), stress_slice['Stress YZ'].max()))
+min_ = np.min((out["Stress YZ"].min(), stress_slice['Stress YZ'].min()))
+clim = [min_, max_]
 
-rng = [rst.grid["Stress YZ"].min(), rst.grid["Stress YZ"].max()]
 pl = pv.Plotter()
-pl.add_mesh(out, scalars=out["Stress YZ"], line_width=10)
-pl.add_mesh(stress_slice, scalars="Stress YZ", opacity=0.25)
-pl.add_mesh(rst.grid, color="w", style="wireframe")
+pl.add_mesh(out, scalars=out["Stress YZ"], line_width=10, clim=clim, scalar_bar_args={'title': 'Stress YZ'})
+pl.add_mesh(stress_slice, scalars="Stress YZ", opacity=0.25, clim=clim, show_scalar_bar=False)
+pl.add_mesh(rst.grid, color="w", style="wireframe", show_scalar_bar=False)
 pl.camera_position = cpos
-pl.show()
+_ = pl.show()