Plot data from a Macro

The following piece of code plots some data from a Macro, see 7.2.5.

#!/bin/env python3

from sardana.macroserver.macro import *
import sys
import numpy as np
import HasyUtils, PySpectra

class toPysp( Macro):
    ”'
    demonstrate the HasyUtils.toPyspMonitor() from a Macro
    ”'
    param_def = []
    result_def = []

    def run( self): 
        #
        # make sure that the pyspMonitor is running
        #
        (status, wasLaunched) = PySpectra.assertPyspMonitorRunning()
        if wasLaunched == 1:
            self.output( "toPysp: launching pyspMonitor does not work from a Macro.")
            self.output( "        Please start pyspMonitor3.py before.")
            return 
        self.output( "toPysp: status %d, wasLaunched %d" %
                     (status, wasLaunched))

        MAX = 20
        pos = np.linspace(0, 10, MAX)
        d1 = np.random.random_sample( (len( pos), ))*1000.
        d2 = np.random.random_sample( (len( pos), ))*1000.
        d3 = np.random.random_sample( (len( pos), ))*1000.
        
        hsh = { 'putData': { 'title': "Important Data", 
                             'columns': 
                             [ { 'name': "eh_mot01", 'data' : pos},
                               { 'name': "eh_c01", 'data' : d1},
                               { 'name': "eh_c02", 'data' : d2},
                               { 'name': "eh_c03", 'data' : d3},
                             ]}}
        hshRet = HasyUtils.toPyspMonitor( hsh)
        if hshRet[ 'result'].upper() != 'DONE':
            self.output( "toPysp: returns %s" % hshRet[ 'result'])
            return
            
        hshRet = HasyUtils.toPyspMonitor( { 'command': [ 'display']})
        if hshRet[ 'result'].upper() != 'DONE':
            self.output( "toPysp: returns %s" % hshRet[ 'result'])
            return 

        HasyUtils.utils.prtc()
        #
        # get the data back
        # 
        hsh = HasyUtils.toPyspMonitor( { 'getData': True})

        self.output( "getData received: %s" % repr( hsh))
        return

Figure 7.11: Plot data from a Macro