Update readme [save benchmark results]

README.md

@@ -236,86 +236,10 @@ Install the matplotlib package used in the example below:
 pip install matplotlib
 ```
 
-Example.py
+Run this example [srtio3-pattern-simulation.py](examples/pyCFML/cfml_utilities/powder_pattern_from_json/srtio3-pattern-simulation.py) to simulate the powder diffraction pattern:
 
 ```
-import matplotlib.pyplot as plt
-from pycrysfml import cfml_utilities
-
-EXAMPLE = {
-  "phases": [
-    {
-      "SrTiO3": {
-        "_space_group_name_H-M_alt": "P m -3 m",
-        "_cell_length_a": 3.9,
-        "_cell_length_b": 3.9,
-        "_cell_length_c": 3.9,
-        "_cell_angle_alpha": 90,
-        "_cell_angle_beta": 90,
-        "_cell_angle_gamma": 90,
-        "_atom_site": [
-          {
-            "_label": "Sr",
-            "_type_symbol": "Sr",
-            "_fract_x": 0.5,
-            "_fract_y": 0.5,
-            "_fract_z": 0.5,
-            "_occupancy": 1,
-            "_adp_type": "Biso",
-            "_B_iso_or_equiv": 0.40
-          },
-          {
-            "_label": "Ti",
-            "_type_symbol": "Ti",
-            "_fract_x": 0,
-            "_fract_y": 0,
-            "_fract_z": 0,
-            "_occupancy": 1,
-            "_adp_type": "Biso",
-            "_B_iso_or_equiv": 0.50
-          },
-          {
-            "_label": "O",
-            "_type_symbol": "O",
-            "_fract_x": 0.5,
-            "_fract_y": 0,
-            "_fract_z": 0,
-            "_occupancy": 1,
-            "_adp_type": "Biso",
-            "_B_iso_or_equiv": 0.65
-          }
-        ]
-      }
-    }
-  ],
-  "experiments": [
-    {
-      "NPD": {
-        "_diffrn_source": "nuclear reactor",
-        "_diffrn_radiation_probe": "neutron",
-        "_diffrn_radiation_wavelength": 1.27,
-        "_pd_instr_resolution_u": 0.02,
-        "_pd_instr_resolution_v": -0.02,
-        "_pd_instr_resolution_w": 0.12,
-        "_pd_instr_resolution_x": 0.0015,
-        "_pd_instr_resolution_y": 0,
-        "_pd_instr_reflex_asymmetry_p1": 0,
-        "_pd_instr_reflex_asymmetry_p2": 0,
-        "_pd_instr_reflex_asymmetry_p3": 0,
-        "_pd_instr_reflex_asymmetry_p4": 0,
-        "_pd_meas_2theta_offset": 0,
-        "_pd_meas_2theta_range_min": 1,
-        "_pd_meas_2theta_range_max": 140,
-        "_pd_meas_2theta_range_inc": 0.05
-      }
-    }
-  ]
-}
-
-if __name__ == '__main__':
-    x, y = cfml_utilities.powder_pattern_from_json(EXAMPLE)
-    plt.plot(x, y)
-    plt.show()
+python examples/pyCFML/cfml_utilities/powder_pattern_from_json/srtio3-pattern-simulation.py 
 ```
 
 More features will be added as the project develops.