Show texture index

Signed-off-by: Patrick Avery <[email protected]>

Author: psavery

hexrdgui/calibration/wppf_options_dialog.py

@@ -2136,6 +2136,7 @@ def on_texture_plot_pole_figures_clicked(self):
     def on_texture_params_modified(self):
         self.update_simulated_polar_dialog()
         self.update_pole_figure_plots()
+        self.update_texture_index_label()
 
     def update_simulated_polar_dialog(self):
         # FIXME: recalculate `self._last_texture_pv_sim`
@@ -2231,6 +2232,22 @@ def texture_model_dict(self) -> dict[str, HarmonicModel]:
             })
         return ret
 
+    def update_texture_index_label(self):
+        obj = self._wppf_object
+        mat_name = self.ui.selected_texture_material.currentText()
+        w = self.ui.texture_index_label
+
+        if (
+            not isinstance(obj, Rietveld) or
+            obj.texture_model.get(mat_name) is None
+        ):
+            v = 'None'
+        else:
+            j = obj.texture_model[mat_name].J(self.params)
+            v = f'{j:.2f}'
+
+        w.setText(f'Texture index: {v}')
+
 
 def generate_params(method, materials, peak_shape, bkgmethod, amorphous_model,
                     texture_model):

hexrdgui/resources/ui/wppf_options_dialog.ui

@@ -637,6 +637,13 @@
               </property>
              </widget>
             </item>
+            <item row="2" column="0">
+             <widget class="QLabel" name="texture_index_label">
+              <property name="text">
+               <string>Texture Index: None</string>
+              </property>
+             </widget>
+            </item>
            </layout>
           </widget>
          </item>