# script that populates canvas

sc= getParam('sc','rbspa','The spacecraft to use',['rbspa','rbspb'])
tr= getParam( 'timerange', '2017-07-14', 'timerange to load' )

scAB= ( sc[-1:].upper() )

reset()     # reset whatever was on the plot already
setCanvasSize(760,824)

annotation( 0, text='VAN ALLEN PROBES '+scAB, fontSize='1.4em', 
            anchorOffset='+7em,60%+2em', anchorPosition='NW', columnId='', rowId='' )

annotation( 1, text='Time Range: '+tr, fontSize='1.2em', 
            anchorOffset='+7em,60%+4em', anchorPosition='NW', columnId='', rowId='' )

annotation( 2, text='Run the script using shift plus play!cto reset range.', fontSize='0.9em', 
            anchorOffset='+7em,60%+6em', anchorPosition='NW', columnId='', rowId='' )

ephemUri= 'vap+hapi:http://tsds.org/get/SSCWeb/hapi?id=%s&parameters=Time,X_GSE,Z_GSE' % sc
specUri= 'vap+cdaweb:ds=RBSP-%s_HFR-SPECTRA_EMFISIS-L2&id=HFR_Spectra' % scAB
magUri= 'vap+cdaweb:ds=RBSP-%s_MAGNETOMETER_4SEC-GSM_EMFISIS-L3&id=Mag&slice1=2' % scAB

monitor.setTaskSize(15)
monitor.started()

specDs= getDataSet( specUri, tr, monitor.getSubtaskMonitor(0,5,'Load HFR-Spectra') )
magDs= getDataSet( magUri, tr, monitor.getSubtaskMonitor(5,10,'Load Mag') )
ephemDs= getDataSet( ephemUri, tr, monitor.getSubtaskMonitor(10,15,'Load Ephem') )

(p1,pe1)= plot( 1, specDs, xpos='+7em,100%-8em', ypos='0%+2em,30%-3em' )

(p0,pe0)= plot( 0, magDs, xpos='+7em,100%-8em', ypos='30%+2em,60%-3em' )

pe0.component= '|detrend(5)'
p0.yaxis.range= datumRange( '-0.8 to 0.8' )
p0.yaxis.label= 'detrend( Bz_GSM )'

bind( p1.xaxis, 'range', p0.xaxis, 'range' )
bind( p1.xaxis, 'range', p0, 'context' )

plot( 2, ephemDs[:,0], ephemDs[:,1], xpos='100%-7em-250px,100%-8em', ypos='60%+2em,60%+2em+250px', 
      title='GSE Position' )

annotation( 3, text='Feature', fontSize='1.2em', plotId=p1.id,
            pointAt= '2017-07-14T06:00,2e5', 
            anchorType='data', anchorOffset='2em,2em' )