diff --git a/python/MAError.py b/python/MAError.py
index d1b0417..2e6ca76 100644
--- a/python/MAError.py
+++ b/python/MAError.py
@@ -45,136 +45,75 @@ class MPLCanvasErr(FigureCanvas):
     self.fig=fig
     self.ax=ax
 
-  def InitChild(self,pts,rec):
+  def InitChild(self,err):
 
     fig=self.fig
     ax=self.ax
-
-    err=np.sqrt((rec[:,1]-rec[:,4])**2+(rec[:,1]-rec[:,4])**2)
-    hl = ax.plot(err, 'r-')
+    errx,erry,err=err
+    hl = []
+    hl = ax.plot(errx, 'g-',label='x-error')
+    hl = ax.plot(erry, 'y-',label='y-error')
+    hl = ax.plot(err, 'r-',label='error')
     ax.xaxis.set_label_text('time (10x servo cycle)')
     ax.yaxis.set_label_text('pos-error um')
+    legend = ax.legend(loc='upper right', shadow=True)
     self.ax = ax
     self.hl = hl
 
-  def OnMotion(self,event):
-    print event,event.x,event.y,event.inaxes,event.xdata,event.ydata
-    return
-    if event.inaxes==self.ax:
-      x=int(round(event.xdata))
-      y=int(round(event.ydata))
-      try:
-        v=self.img.get_array()[y,x]
-      except IndexError as e:
-        pass
-      else:
-        #print x,y,v
-        self.SetStatusCB(self.Parent,0,(x,y,v))
-    elif event.inaxes==self.colBar.ax:
-      colBar=self.colBar
-      pt=colBar.ax.bbox.get_points()[:,1]
-      nrm=colBar.norm
-      vmin,vmax,p0,p1,pS = (nrm.vmin,nrm.vmax,pt[0],pt[1],event.y)
-      if isinstance(colBar.norm,mpl.colors.LogNorm):#type(colBar.norm)==mpl.colors.LogNorm does not work...
-        vS=0
-      else:#scale around point
-        vS=vmin+(vmax-vmin)/(p1-p0)*(pS-p0)
-      self.SetStatusCB(self.Parent,1,vS)
-    try:
-      vmin,vmax,p0,p1,pS=self.colBarPressed
-    except AttributeError:
-      return
-      #if event.inaxes != self.cbar.ax: return
-    colBar=self.colBar
-    #print vmin,vmax,p0,p1,pS,type(colBar.norm)
-    #print 'x0=%f, xpress=%f, event.xdata=%f, dx=%f, x0+dx=%f'%(x0, xpress, event.xdata, dx, x0+dx)
+  def OnMotion(self, event):
+    # print event,event.x,event.y,event.inaxes,event.xdata,event.ydata
 
-    if isinstance(colBar.norm,mpl.colors.LogNorm):#type(colBar.norm)==mpl.colors.LogNorm does not work...
-      if event.button==1:
-        #colBar.norm.vmin=.1
-        colBar.norm.vmax=vmax*np.exp((pS-event.y)/100)
-        #scale= np.exp((event.y-pS)/100)
-    elif event.button==1:#move top,bottom,both
-      pD = event.y - pS
-      vD=(vmax-vmin)/(p1-p0)*(pS-event.y)
-      colBar.norm.vmin = vmin+vD
-      colBar.norm.vmax = vmax+vD
-    elif event.button==3:#scale around point
-      scale= np.exp((pS-event.y)/100)
-      vS=vmin+(vmax-vmin)/(p1-p0)*(pS-p0)
-      #print scale,vS
-      colBar.norm.vmin = vS-scale*(vS-vmin)
-      colBar.norm.vmax = vS-scale*(vS-vmax)
-    self.img.set_norm(colBar.norm)#force image to redraw
-    colBar.patch.figure.canvas.draw()
+    if event.inaxes == self.ax:
+
+      x = int(round(event.xdata))
+      #y = int(round(event.ydata))
+      y = event.ydata
+      s = []
+      for h in self.ax.get_lines():  # to get also the ellipses: self.ax.get_children()
+        c = h.contains(event)
+        if c[0]:
+          # s = str(h)+str(c[1])
+          # print "over %s" % s
+          if type(h) == mpl.lines.Line2D:
+            lbl = h.get_label()
+            arr = h.get_data()
+            idx = c[1]['ind'][0]
+            #s += '%s[%d] = [%.2f, %.2f]' % (lbl, idx, arr[0][idx], arr[1][idx])
+            s.append('%s=%.2f' % (lbl, arr[1][idx]))
+          else:
+            s += str(h) + str(c[1])
+      s=', '.join(s)
+
+      self.SetStatusCB(self.Parent, 0, (x, y, s))
 
   def OnBtnPress(self, event):
     """on button press we will see if the mouse is over us and store some data"""
     print dir(event.guiEvent)
     return
-    if event.inaxes == self.colBar.ax:
-      #if event.guiEvent.LeftDClick()==True:
-      #    print dlg
-      pt=self.colBar.ax.bbox.get_points()[:,1]
-      nrm=self.colBar.norm
-      self.colBarPressed = (nrm.vmin,nrm.vmax,pt[0],pt[1],event.y)
-      #self.colBarPressed = event.x, event.y
-      #print self.colBarPressed
-      #self.OnMouse(event)
-    pass
 
   def OnBtnRelease(self, event):
     """on release we reset the press data"""
+    print dir(event.guiEvent)
     #self.OnMouse(event)
     return
-    try: del self.colBarPressed
-    except AttributeError: pass
 
   def OnBtnScroll(self, event):
     return
-    #self.OnMouse(event)
-    colBar=self.colBar
-    if event.inaxes==colBar.ax:
-      pt=colBar.ax.bbox.get_points()[:,1]
-      nrm=colBar.norm
-      vmin,vmax,p0,p1,pS = (nrm.vmin,nrm.vmax,pt[0],pt[1],event.y)
-      if isinstance(colBar.norm,mpl.colors.LogNorm):#type(colBar.norm)==mpl.colors.LogNorm does not work...
-        scale= np.exp((-event.step)/10)
-        colBar.norm.vmax=vmax*scale
-      else:#scale around point
-        scale= np.exp((-event.step)/10)
-        vS=vmin+(vmax-vmin)/(p1-p0)*(pS-p0)
-        #print scale,vS
-        colBar.norm.vmin = vS-scale*(vS-vmin)
-        colBar.norm.vmax = vS-scale*(vS-vmax)
-      self.img.set_norm(colBar.norm)#force image to redraw
-      colBar.patch.figure.canvas.draw()
 
   def OnKeyPress(self, event):
     return
-    colCycle=self.colCycle
-    colBar=self.colBar
-    if event.key=='down':
-      self.colIndex += 1
-    elif event.key=='up':
-      self.colIndex -= 1
-    self.colIndex%=len(colCycle)
-    cmap = colCycle[self.colIndex]
-    colBar.set_cmap(cmap)
-    colBar.draw_all()
-    self.img.set_cmap(cmap)
-    self.img.get_axes().set_title(cmap)
-    colBar.patch.figure.canvas.draw()
 
   def OnMouse(self, event):
     return
-    for k in dir(event):
-      if k[0]!='_':
-        print k,getattr(event,k)
+
 
 class MAErrorFrame(wx.Frame):
+
+  def __del__(self):
+    self.doc.view.remove(self)
+
   def __init__(self, parent,doc):
-    wx.Frame.__init__(self, parent, title='xy-Plot', size=wx.Size(850, 650))
+    wx.Frame.__init__(self, parent, title='error-Plot', size=wx.Size(850, 650))
     self.doc=doc;doc.view.append(self)
     imgDir=ut.Path.GetImage()
     icon = wx.Icon(os.path.join(imgDir,'PBMA.ico'), wx.BITMAP_TYPE_ICO)
@@ -187,7 +126,16 @@ class MAErrorFrame(wx.Frame):
     self.SetSizer(sizer)
 
     toolbar=ut.AddToolbar(canvas,sizer)
-    canvas.InitChild(doc.fh['pts'],doc.fh['rec'])
+
+    try:
+      err=doc.err
+    except AttributeError:
+      rec=doc.fh['rec']
+      errx = abs(rec[:, 1] - rec[:, 4])
+      erry = abs(rec[:, 2] - rec[:, 5])
+      errxy = np.sqrt(errx ** 2 + erry ** 2)
+      doc.err = err = (errx, erry, errxy)
+    canvas.InitChild(err)
 
     self.Centre()
 
@@ -201,15 +149,14 @@ class MAErrorFrame(wx.Frame):
 
     #-------- Edit Menu --------
     mn = wx.Menu()
-    mnItem=mn.Append(wx.ID_ANY, 'Setup Colormap', 'Setup the color mapping ');self.Bind(wx.EVT_MENU, self.OnColmapSetup, mnItem)
-    mnItem=mn.Append(wx.ID_ANY, 'Invert X-Axis', kind=wx.ITEM_CHECK);self.Bind(wx.EVT_MENU, self.OnInvertAxis, mnItem)
-    self.mnIDxAxis=mnItem.GetId()
-    mnItem=mn.Append(wx.ID_ANY, 'Invert Y-Axis', kind=wx.ITEM_CHECK);self.Bind(wx.EVT_MENU, self.OnInvertAxis, mnItem)
-    mnItem=mn.Append(wx.ID_ANY, 'Show Moments', 'Show image moments ', kind=wx.ITEM_CHECK);self.Bind(wx.EVT_MENU, self.OnShowMoments, mnItem)
-    self.mnItemShowMoment=mnItem
-    mnItem=mn.Append(wx.ID_ANY, 'Tomo Normalize', 'Multiplies each pixel with a normalization factor. Assumes there exist an array exchange/data_white', kind=wx.ITEM_CHECK);self.Bind(wx.EVT_MENU, self.OnTomoNormalize, mnItem)
-    self.mnItemTomoNormalize=mnItem
-
+    #mnItem=mn.Append(wx.ID_ANY, 'Setup Colormap', 'Setup the color mapping ');self.Bind(wx.EVT_MENU, self.OnColmapSetup, mnItem)
+    #mnItem=mn.Append(wx.ID_ANY, 'Invert X-Axis', kind=wx.ITEM_CHECK);self.Bind(wx.EVT_MENU, self.OnInvertAxis, mnItem)
+    #self.mnIDxAxis=mnItem.GetId()
+    #mnItem=mn.Append(wx.ID_ANY, 'Invert Y-Axis', kind=wx.ITEM_CHECK);self.Bind(wx.EVT_MENU, self.OnInvertAxis, mnItem)
+    #mnItem=mn.Append(wx.ID_ANY, 'Show Moments', 'Show image moments ', kind=wx.ITEM_CHECK);self.Bind(wx.EVT_MENU, self.OnShowMoments, mnItem)
+    #self.mnItemShowMoment=mnItem
+    #mnItem=mn.Append(wx.ID_ANY, 'Tomo Normalize', 'Multiplies each pixel with a normalization factor. Assumes there exist an array exchange/data_white', kind=wx.ITEM_CHECK);self.Bind(wx.EVT_MENU, self.OnTomoNormalize, mnItem)
+    #self.mnItemTomoNormalize=mnItem
 
     mnBar.Append(mn, '&Edit')
     mn = wx.Menu()
@@ -222,147 +169,33 @@ class MAErrorFrame(wx.Frame):
   def OnUpdate(self, msg, usrData):
     # this is the model-view-control update function
     print 'OnUpdate',self, msg, usrData
-
-  def SetIdxXY(self,x,y):
-    self.idxXY=(x,y)
+    # for message description s.a. class MADoc
+    if msg == 0:
+      canvas = self.canvas
+      ax = canvas.ax
+      len = usrData
+      err = self.doc.err
+      hl = canvas.hl
+      #hl[0].set_data(rec[:len, 4], rec[:len, 5])
+      #hl[3].set_data(rec[:len, 1], rec[:len, 2])
+      # ax.draw_artist(hl[2])
+      x = ax.get_xlim();
+      x = (x[1] - x[0]) / 2;
+      #y = ax.get_ylim();
+      #y = (y[1] - y[0]) / 2;
+      ax.set_xlim(len-x, len + x,emit=True)
+      #ax.set_ylim(rec[len, 2] - y, rec[len, 2] + y)
+      canvas.draw()
 
   @staticmethod
   def SetStatusCB(obj,mode,v):
     if mode==0:
-      obj.SetStatusText( "x= %d y=%d val=%g"%v,0)
-    elif mode==1:
-      obj.SetStatusText( "Colormap Value %d (drag to scale)"%v,0)
+      #obj.SetStatusText( "x= %d y=%d val=%s"%v,0)
+      obj.SetStatusText("x(%d,%.2f): %s" % v, 0)
     else:
       raise KeyError('wrong mode')
 
 
-  def OnShowMoments(self,event):
-    if event.IsChecked():
-      dlg = wx.FileDialog(self, "Choose valid mask file (e.g. pilatus_valid_mask.mat)", os.getcwd(), '','MATLAB files (*.mat)|*.mat|all (*.*)|*.*', wx.OPEN|wx.FD_CHANGE_DIR)
-      if dlg.ShowModal() == wx.ID_OK:
-        fnMatMsk = dlg.GetPath()
-        print 'OnOpen',fnMatMsk
-      dlg.Destroy()
-      if not fnMatMsk:
-        return
-      #fnMatMsk='/scratch/detectorData/cSAXS_2013_10_e14608_georgiadis_3D_for_Marianne/analysis/data/pilatus_valid_mask.mat'
-      self.procMoment=pm=ProcMoment()
-      pm.SetMskMat(fnMatMsk,False)
-      #roi=[603, 826, 200, 200]
-      #pm.roi=(slice(roi[1],roi[1]+roi[3]),slice(roi[0],roi[0]+roi[2]))
-      #pm.shape=(roi[3],roi[2])
-
-      #pm.SetProcess('python')
-      #pm.SetProcess('pyFast')
-      pm.SetProcess('c')
-      self.PlotMoments()
-      #self.canvas.img.draw()
-      data=self.canvas.img.get_array()
-      self.canvas.img.set_array(data)
-      fig, ax = plt.subplots(2)
-      v=data.sum(axis=0); x=np.arange(v.size); x0=x.sum(); m0=v.sum(); m1=(v*x).sum(); m2=(v*x*x).sum()
-      ax[0].plot(v);
-      m=m1/m0
-      s=np.sqrt( (m2-(m1**2/m0))/m0)
-      xx=1/(s*np.sqrt(2*np.pi))*np.exp(-.5*((x-m)/s)**2)
-      ax[0].set_title('%g | %g | %g | %g | %g'%(m0,m1,m2,m,s))
-      ax[0].hold(True);ax[0].plot(xx*m0)
-
-      v=data.sum(axis=1);
-      ax[1].plot(v);
-
-
-      plt.show()
-      #print pm.resArr[0:3],pm.resArr[1]/pm.resArr[0],pm.resArr[2]/pm.resArr[0]
-    else:
-      for o in self.goMoment:
-        o.remove()
-      del self.goMoment
-      del self.procMoment
-    self.canvas.draw()
-
-  def PlotMoments(self):
-    data=self.canvas.img.get_array()
-    pm=self.procMoment
-
-    #data=ndi.median_filter(data, 3)
-    try:
-      data.ravel()[pm.mskIdx]=0
-    except AttributeError as e:
-      print e
-    try:
-      data=data[pm.roi]
-    except AttributeError as e:
-      print e
-    #data=np.log(data+1)
-    #data[100:110,500:510]=1000 #y,x
-    #data[650:850,700:850]=0 #y,x
-    #pm.Process(np.log(data+1))
-    pm.Process(data)
-    xbar, ybar, cov=pm.GetIntertialAxis()
-
-    m=pm.resArr
-    m00=m[0];m01=m[1];m10=m[2];m11=m[3];m02=m[4];m20=m[5]
-
-    xm = m10 / m00
-    ym = m01 / m00
-    u11 = (m11 - xm * m01) / m00
-    #u11[u11<0.]=0. #processing rounding error
-    u20 = (m20 - xm * m10) / m00
-    u02 = (m02 - ym * m01) / m00
-    a=(u20+u02)/2
-    b=np.sqrt(4*u11**2+(u20-u02)**2)/2
-    l0=a+b
-    l1=a-b
-    ang=0.5*np.arctan2(2*u11,(u20-u02))/(2*np.pi)*360. #orientation value 0..1
-    exc=np.sqrt(1-l1/l0) #eccentricity :circle=0: http://en.wikipedia.org/wiki/Eccentricity_%28mathematics%29
-
-    print 'xb:%g yb:%g cov:%g %g %g %g  ang:%g exc:%g'%((xm, ym)+tuple(cov.ravel())+(ang,exc))
-    #fig, ax = plt.subplots()
-    #ax.imshow(data,vmax=100,interpolation='nearest')
-    #plt.show()
-    ax=self.canvas.img.get_axes()
-    try:
-      for o in self.goMoment:
-        o.remove()
-    except AttributeError: pass
-
-    self.goMoment=ProcMoment.PlotMoments(ax, xbar, ybar, cov)
-    ax.axis('image')
-
-  def OnTomoNormalize(self,event):
-    if event.IsChecked():
-      #try to find white image
-      #calculate average
-      #show white normalize factors
-      white=self.data.parent['data_white']
-      tomoNorm=white[1,:,:]
-      #tomoNorm=white[:,:,:].mean(axis=0)
-      #np.iinfo(tomoNorm.dtype).max
-      #tomoNorm=float(np.iinfo(tomoNorm.dtype).max/2)/tomoNorm
-      tomoNorm=tomoNorm.mean()/tomoNorm
-      #tomoNorm=tomoNorm/float(np.iinfo(tomoNorm.dtype).max)
-      data=self.canvas.img.get_array()
-      data*=tomoNorm
-      #data/=tomoNorm
-      self.tomoNorm=tomoNorm
-      self.canvas.img.set_array(data)
-    else:
-      tomoNorm=self.tomoNorm
-      data=self.canvas.img.get_array()
-      data/=tomoNorm
-      self.canvas.img.set_array(data)
-      del self.tomoNorm
-    self.canvas.draw()
-
-  def OnSetComplexData(self, event):
-    if event.IsChecked():
-      data=np.angle(self.canvas.dataRaw)
-    else:
-      data=np.absolute(self.canvas.dataRaw)
-    self.canvas.img.set_array(data)
-    self.canvas.draw()
-
   def OnHelp(self,event):
     msg='''to change the image selection:
 use the toolbar at the bottom to pan and zoom the image
@@ -378,22 +211,6 @@ use cursor up and down to use a different colormap'''
     dlg.ShowModal()
     dlg.Destroy()
 
-  def OnColmapSetup(self,event):
-    dlg=DlgColBarSetup(self)
-    if dlg.ShowModal()==wx.ID_OK:
-      pass
-    dlg.Destroy()
-
-  def OnInvertAxis(self,event):
-    ax=self.canvas.ax
-    #event.Checked()
-    if self.mnIDxAxis==event.GetId():
-      ax.invert_xaxis()
-    else:
-      ax.invert_yaxis()
-    self.canvas.draw()
-    pass
-
 if __name__ == '__main__':
   import os,sys,argparse #since python 2.7
   def GetParser(required=True):