lot a small steps...

swissmx.py

@@ -344,13 +344,13 @@ class Main(QMainWindow, Ui_MainWindow):
     vb.addItem(grid)
 
     #--- beam marker ---
-    bm_sz=np.array(tuple(map(int, cfg.value(AppCfg.GEO_BEAM_SZ))))
-    self._goBeamMarker=bm=UsrGO.Marker(-opt_ctr-[50, 120],bm_sz,mode=0)
-    bm.setTransform(tr)  # assign transform
+    bm_sz=np.array((50, 40)) # it is immidiatly repositioned in zoom_changed_cb
+    self._goBeamMarker=bm=UsrGO.Marker(-opt_ctr-bm_sz/2,bm_sz,mode=0)
     self.vb.addItem(bm)
 
-    #--- opctical center ---
-    self._goOptCtr=obj=UsrGO.Marker(-opt_ctr, [50, 50],mode=1)
+    #--- opctical center ----
+    oc_sz=np.array((50,50))
+    self._goOptCtr=obj=UsrGO.Marker(-opt_ctr-oc_sz/2, oc_sz,mode=1)
     bm.setTransform(tr)  # assign transform
     self.vb.addItem(obj)
 
@@ -1038,26 +1038,24 @@ class Main(QMainWindow, Ui_MainWindow):
 
   def zoom_changed_cb(self, value):
     self.zoomChanged.emit(value)
+    app=QApplication.instance()
+    cfg=app._cfg
+    geo=app._geometry
     try:
-      ppm = self.ppm_fitter(value)
+      geo.interp_zoom(value)
     except AttributeError as e:
       _log.warning(e)
     else:
-      _log.debug("zoom callback zoomChanged.emit({}), pixelsPerMillimeter.emit({})".format(value, ppm))
-      self.pixelsPerMillimeter.emit(ppm)
-      self.update_beam_marker(value)
-
-#  def getZoom(self):
-#    return qoptic_zoom.get_position()
-
-#  def getPpm(self):
-#    ppm_fitter = None
-#    try:
-#      ppm_fitter = self.ppm_fitter(self.getZoom())
-#    except Exception as e:
-#      _log.error("garbage in getPpm()")
-#      traceback.print_exc()
-#    return ppm_fitter
+      opt_ctr=geo._opt_ctr
+      bm_sz=np.array(tuple(map(float, cfg.value(AppCfg.GEO_BEAM_SZ))))/1000
+      bm_pos=np.array(tuple(map(float, cfg.value(AppCfg.GEO_BEAM_POS))))/1000
+      bm_sz=np.abs(geo.pos2pix(bm_sz))
+      bm_pos=-opt_ctr-geo.pos2pix(bm_pos)-bm_sz/2
+      bm=self._goBeamMarker
+      bm.setPos(bm_pos,finish=False)
+      bm.setSize(bm_sz)
+      _log.debug(f"zoom->{value} beam marker pos:{bm_pos} sz:{bm_sz})")
+      #self.update_beam_marker(value)
 
   def append_to_beam_markers(self, x, y, zoom):
     self._beam_markers[zoom] = (x, y)
@@ -1181,9 +1179,10 @@ class Main(QMainWindow, Ui_MainWindow):
     if task==TASK_SETUP_GEOMETRY_CALIB:
       self.mouse_click_event_geometry_calib(event)
       return
-
-    #Ctrl-left : move to position
-    #Ctrl-left : move to position
+    ################################
+    # Ctrl-left  : move to position
+    # Ctrl-right : object tree
+    ################################
 
     #dblclick = event.double()
     app=QApplication.instance()
@@ -1201,8 +1200,19 @@ class Main(QMainWindow, Ui_MainWindow):
         p1=self._goImg.mapFromScene(pos)
         p2=bm.pos()+bm.size()/2
         px=p2+p1
-        um=geo.pix2pos(px)
-        _log.debug(f'{px} -> {um}')
+        mm=geo.pix2pos(px)
+        _log.debug(f'{px} -> {mm}')
+        fx_motor, fy_motor, bx_motor, bz_motor, omega_motor=self.get_gonio_tweakers()
+        #fx=fx_motor.get_position()
+        #fy=fy_motor.get_position()
+        #dx=(x-bx)/ppm
+        #dy=-(y-by)/ppm
+        #fx+=dx
+        #fy+=dy
+        fx_motor.move_relative(mm[0])
+        fy_motor.move_relative(mm[1])
+        #self.fast_dx_position.emit(dx)
+        #self.fast_dy_position.emit(dy)
         pass
       elif mod&Qt.AltModifier:
         pass
@@ -1228,7 +1238,6 @@ class Main(QMainWindow, Ui_MainWindow):
     event.pos()#  return Point(self.currentItem.mapFromScene(self._scenePos))
 
     app=QApplication.instance()
-    fx_motor, fy_motor, bx_motor, bz_motor, omega_motor = self.get_gonio_tweakers()
 
     if event.button() == Qt.RightButton:
       UsrGO.obj_info(self.vb.childTransform())