add gonio default positions

swissmx.py

@@ -1531,7 +1531,8 @@ class WndSwissMx(QMainWindow, Ui_MainWindow):
         lambda: self.move_post_tube("out"),
         lambda: app._backlight.move("out"),
         lambda: self.move_collimator("out"),
-      ]
+        lambda:self.move_gonio("mount"),
+    ]
     self.esc_run_steps(steps, "Transitioning to Sample Exchange","ManualSampleExchange")
 
   def cb_esc_sample_alignment(self):
@@ -1543,6 +1544,7 @@ class WndSwissMx(QMainWindow, Ui_MainWindow):
       lambda:self.move_post_tube("out"),
       lambda:app._backlight.move("in"),
       lambda:self.move_collimator("out"),
+      lambda:self.move_gonio("align"),
     ]
     #if option(CRYOJET_MOTION_ENABLED):
     #  steps.extend([lambda: self.move_cryojet_nozzle("in")])
@@ -2195,6 +2197,45 @@ Author Thierry Zamofing (thierry.zamofing@psi.ch)
           break
     self._esc_state = esc_state
 
+  def move_gonio(self, pos):
+    # gonio="{'pos_mount': (0.0,0.0,0.0,0.0), 'pos_align': (0.0,0.0,0.0,0.0)}"
+    # positions are: fast_x,fast_y,base_x,base_z,(omega=0,det_z, no change)
+
+    app=QApplication.instance()
+    cfg=app._cfg
+    pos_gonio   = cfg.value(AppCfg.DFT_POS_GONIO)
+    if pos_gonio is None:
+      msg="gonio default positions are not configured."
+      _log.warning(msg)
+      QMessageBox.warning(self, "gonio not configured", msg)
+      return
+
+    tw_fx = self.tweakers["fast_x"]
+    tw_fy = self.tweakers["fast_y"]
+    tw_cx = self.tweakers["base_x"]
+    tw_cz = self.tweakers["base_z"]
+    tw_ry  = self.tweakers["omega"]
+    try:
+      p_fx, p_fy, p_cx, p_cz,=pos_gonio['pos_'+pos]
+      p_ry=0.
+    except KeyError:
+      raise ValueError("Goniometer position *{}* is not known!!")
+    _log.info(f"moving goniometer {pos} to fx:{p_fx:.5g},fy:{p_fy:.5g},cx:{p_cx:.5g},cz_{p_cz:.5g},ry:{p_ry:.5g}")
+
+    tw_fx.move_abs(p_fx)
+    tw_fy.move_abs(p_fy)
+    tw_cx.move_abs(p_cx)
+    tw_cz.move_abs(p_cz)
+    tw_ry.move_abs(p_ry)
+
+    app_utils.assert_tweaker_positions([
+      (tw_fx, p_fx, 0.1),
+      (tw_fy, p_fy, 0.1),
+      (tw_cx, p_cx, 0.1),
+      (tw_cz, p_cz, 0.1),
+      (tw_ry, p_ry, 0.1), ], timeout=20.0,
+    )
+
   def move_post_tube(self, pos):
     # post_sample_tube="{'x_up': -0.2, 'y_up': 0.0, 'x_down': 0.0, 'y_down': 0.0, 'x_out_delta': 0.0, 'y_out_delta': 0.0, 'z_in': 0.0, 'z_out': 0.0}"
     app=QApplication.instance()