add preliminary path shaping and programming tools

cfg/mygatherplot.py

@@ -0,0 +1,180 @@
+#!/usr/bin/env python
+# *-----------------------------------------------------------------------*
+# |                                                                       |
+# |  Copyright (c) 2015 by Paul Scherrer Institute (http://www.psi.ch)    |
+# |                                                                       |
+# |              Author Thierry Zamofing (thierry.zamofing@psi.ch)        |
+# *-----------------------------------------------------------------------*
+'''
+gathers data on powerpmac and plot
+
+#mode bits:
+
+ 0  1 configure acquisition    -> needs -c
+ 1  2 start acquisition        ->Gather.Enable=2
+ 2  4 stop acquisition         ->Gather.Enable=0
+ 3  8 wait acquisition stopped ->while(1){if(Gather.Enable==0) break}
+ 4 16 upload acquisition
+ 5 32 plot acquisition       -> needs -a (or -c)
+
+mode 1+2+8+16+32 | user sets a stop
+mode 1+2 | motion, wait some time| #mode 4+16+32
+mode 1+8+16+32 | start acqu, do motion stop acqu.
+
+verbose bits:
+  1 basic info
+  2 wait progress
+  4 upload progress
+
+#config file example:
+{
+  "channels": [
+    "Motor[1].ActPos",
+    "Motor[9].ActPos",
+    "Motor[10].ActPos",
+    "Motor[11].ActPos",
+    "PowerBrick[0].GpioData[0]"
+  ],
+  "axes": [
+    [0, "b", "ActPos 1"],
+    [1, "g", "ActPos_9"],
+    [2, "r", "ActPos_10"],
+    [3, "m", "ActPos_11"],
+    [4, ["bits", 15, 3], "GPIO"]],
+  "gather": {
+    "MaxSamples":1000,
+    "Period":10
+    }
+}
+
+Acquired time is:MaxSamples*Period*.2
+
+'''
+#gatherPlot
+#channels -c '[Sys.ServoCount,Motor[1].ActPos,Motor[9].ActPos,Motor[10].ActPos,Motor[11].ActPos,PowerBrick[0].GpioData[0]]'
+#axis     -a '(((0,1),'b','ActPos 1'), ((0,2),'g','ActPos 9'), ((0,3),'r','ActPos 10'), ((0,4),'m','ActPos 11'), ((0,5),('bits',14,18),'GPIO'))
+#('bits',14,18) means decode bits 14-18
+#
+
+#check: Gather.Enable Gather.Index
+
+#on PPMAC do something like:
+#Gather.Items=6
+#Gather.MaxSamples=10000
+#Gather.Period=10
+#Gather.Addr[0]=Sys.ServoCount.a
+#Gather.Addr[1]=Motor[1].ActPos.a
+#Gather.Addr[2]=Motor[9].ActPos.a
+#Gather.Addr[3]=Motor[10].ActPos.a
+#Gather.Addr[4]=Motor[11].ActPos.a
+#Gather.Addr[5]=PowerBrick[0].GpioData[0].a
+#
+#Gather.Enable=2
+## move the motor[1]
+#Gather.Enable=0
+#
+#1;&1;#1->1000X
+#k;j=0;P1=1000
+#b3r
+
+# to run that script without password, make first an ssh connection e.g. ssh root@PPMACZT84
+#
+
+import os, sys, json
+import numpy as np
+import matplotlib as mpl
+import subprocess as sprc
+
+class GatherPlot:
+    def __init__(self):
+      pass
+
+    def plot1(self):
+      import matplotlib.pyplot as plt
+      fnLoc='/tmp/gather.txt'
+      data = np.genfromtxt(fnLoc, delimiter=' ')
+      x=np.arange(data.shape[0])*2. #-> msec
+      pass #-> needs -a (or -c)
+      fig=plt.figure()
+      ax0 = fig.add_subplot(1,1,1)
+      ax0.set_xlabel('msec')
+
+      ax=[ax0,]
+      axArgs=[(0,'r','A'),(1,'g','B'),(2,'b','C')]
+      for i in range(len(axArgs)-1):
+        ax.append(ax0.twinx())
+      fig.subplots_adjust(right=0.75)
+      n=(len(ax)-2);dx=.2/n
+      for i in range(n):
+        ax[2+i].spines['right'].set_position(('axes', 1+dx*(1+i)))
+        ax[2+i].set_frame_on(True)
+        ax[2+i].patch.set_visible(False)
+
+
+      for i in range(len(axArgs)):
+        idx,param,lbl=axArgs[i]
+        col=param
+        ax[i].set_ylabel(lbl, color=col)
+        ax[i].plot(x, data[:,idx], color=col)
+        ax[i].tick_params(axis='y', colors=col)
+
+      plt.show()
+
+    def plot(self):
+      import matplotlib.pyplot as plt
+      fnLoc='/tmp/gather.txt'
+      data = np.genfromtxt(fnLoc, delimiter=' ')
+      fig=plt.figure()
+      ax0 = fig.add_subplot(1,1,1)
+      ax0.set_xlabel('msec')
+      ax=[ax0,]
+      #fig.subplots_adjust(right=0.75)
+      col='b'
+      #idx=1
+      #ax[0].set_ylabel(ch[idx], color=col)
+      x=data[:,1]
+      y=data[:,2]
+      hl=ax[0].plot(x, y, color=col)
+      ax[0].tick_params(axis='y', colors=col)
+
+
+      cid = fig.canvas.mpl_connect('scroll_event', self.onclick)
+      fig.obj=self
+      self.data=data
+      #self.ch=ch
+      self.idx=1
+      self.ax=ax
+      self.col=col
+      self.hl=hl
+
+      plt.show()
+
+    @staticmethod
+    def onclick(event):
+        #print 'button=%s, x=%d, y=%d, xdata=%f, ydata=%f'%(
+        #    event.button, event.x, event.y, event.xdata, event.ydata)
+        obj=event.canvas.figure.obj
+        if event.button=='up':
+          if obj.idx<len(obj.ch)-1:
+            obj.idx+=1
+        else:
+          if obj.idx>0:
+            obj.idx-=1
+
+        obj.ax[0].set_ylabel(obj.ch[obj.idx], color=obj.col)
+        d=obj.data[:,obj.idx]
+        if obj.args.diff:
+          d=np.diff(d)
+        obj.hl[0].set_ydata(d)
+        #obj.ax[0].plot(x, obj.data[:,obj.idx]obj.data[:,obj.idx]obj.data[:,obj.idx], color=obj.col)
+        min=bottom=d.min()
+        max=d.max()
+        delta=(max-min)/10.
+        obj.ax[0].set_ylim(bottom=min-delta,top=max+delta,emit=True,auto=True)
+        event.canvas.figure.show()
+
+
+
+if __name__=='__main__':
+    gp=GatherPlot()
+    gp.plot()