def __init__(self,data,imagefileurl,name,label,title,nbpts=None,ptindexlist=None,timerange=False,timestart=None,type='ggl',labelx='',labely=None,unitx='',unity=''):
Log('MyXYChart: begin %s\n' % label)
self.charttype='line'
self.imagefileurl = imagefileurl
self.name = name
self.label = label
self.title = title
self.type = type
# Simple chart or XY chart ?
if len(data)==2 and len(data[0])>1:
datax = data[0]
datay = data[1]
else:
#print('DEBUG: simple chart')
datay = data
# Compute min and max Y values
(min_y,max_y,scaling_y) = ExtendRange(min(datay),max(datay))
if max_y-min_y==0:
max_y = min_y + 1.0
scaling_y = 0.2
if type in ('dyg','json'):
self.marginsize = 0
self.pt2px = None
self.data = list(data)
self.timerange = timerange
self.labelx = labelx
self.unitx = unitx
self.unity = unity
if labely==None:
self.labely = label
else:
self.labely = labely
if timerange:
self.data[0] = map(lambda secf: 1000*time.mktime((timestart + datetime.timedelta(seconds=int(secf))).timetuple()),data[0])
#self.data[0] = map(int,data[0])
return
#print('min_y=%d max_y=%d scaling_y=%d' % (min_y,max_y,scaling_y))
#max_y = int(ceil(max(datay))) # up rounded max value
#if min(datay)<0.0:
# min_y = int(floor(min(datay)))
#else:
# min_y = 0
#print('min_y=%d,max_y=%d %f' % (min_y,max_y,max(datay)))
#self.marginsize = max(len(str(max_y)),len(str(min_y)))*6+6 # Font size of y label is 6 pixels
#self.marginsize = 30
self.marginsize = max(max(len(str(max_y)),len(str(min_y)))*7+10,30) # Font size of y label is 6 pixels
self.height = 200
# Build chart
if len(data)==2 and len(data[0])>1:
self.width = 800
(min_x,max_x,scaling_x) = ExtendRange(datax[0],datax[len(datax)-1])
#print('min_x=%d max_x=%d' % (min_x,max_x))
min_x = int(floor(datax[0]))
max_x = int(ceil(datax[len(datax)-1]))
#print('min_x=%d max_x=%d' % (min_x,max_x))
chart = XYLineChart(self.width, self.height, x_range=[min_x,max_x], y_range=[min_y,max_y])
chart.add_data(datax)
chart.add_data(datay)
if min_y<0 and max_y>0:
chart.add_data([0,max_x])
chart.add_data([0,0])
chart.set_colours(['339900','FF0000'])
chart.grid = '%s,%s,%s,%s,%s,%s' % (float(scaling_x*100)/float(max_x-min_x),float(scaling_y*100)/float(max_y-min_y),2,2,float(min_x*100)/float(max_x-min_x),0.0)
else:
chart.set_colours(['339900'])
try:
chart.grid = '%s,%s,%s,%s,%s,%s' % (float(scaling_x*100)/float(max_x-min_x),float(scaling_y*100)/float(max_y-min_y),2,2,float(min_x*100)/float(max_x-min_x),float(min_y*100)/float(max_y-min_y))
except ZeroDivisionError:
print 'DEBUG: %s %s %s %s' % (max_x,min_x,max_y,min_y)
#print('grid=%s' % chart.grid)
#chart.set_grid ...
if timerange:
axis_index = chart.set_axis_labels(Axis.BOTTOM, map(lambda sec: SecondToTimeString(timestart,sec),MyRange(min_x,max_x,scaling_x)))
chart.set_axis_positions(axis_index, map(lambda x: '%.4f' % (float(x*100)/float(max_x-min_x)),MyRange(min_x,max_x,scaling_x))) #.4f to no have too long urls
#for x in MyRange(scaling_x,max_x,scaling_x):
# chart.add_marker(0,GetIndexOfClosest(datax,x),'V','AAAAAA',1,-1)
else:
axis_index = chart.set_axis_labels(Axis.BOTTOM, MyRange(min_x,max_x,scaling_x))
chart.set_axis_positions(axis_index, map(lambda x: '%.4f' % (float(x*100)/float(max_x-min_x)),MyRange(min_x,max_x,scaling_x))) #.4f to no have too long urls
#for x in MyRange(scaling_x,max_x,scaling_x):
# chart.add_marker(0,GetIndexOfClosest(datax,x),'V','AAAAAA',1,-1)
chart.set_axis_labels(Axis.LEFT, MyRange(min_y,max_y,scaling_y))
marginright = 30
graphsize = self.width-self.marginsize-marginright
#print([GetIndexOfCloserFromOrderedList(i,ptindexlist) for i in range(0,nbpts)])
if ptindexlist==None:
#if nbpts==None:
# nbpts=len(datax)
if not(nbpts==len(datax)):
raise Exception('nbpts=%s len(datax)=%s'%(nbpts,len(datax)))
self.pt2px = [int(round(datax[i]*graphsize/(max(datax)-min(datax)))) for i in range(0,nbpts)]
else:
dataxrange = max(datax)-min(datax)
maxj = len(ptindexlist)-1
self.pt2px = []
j = 0
for i in range(0,nbpts):
if j<maxj and ptindexlist[j+1]<=i:
j += 1
self.pt2px.append(int(round(datax[j]*graphsize/dataxrange)))
#self.pt2px = [int(round(datax[GetIndexOfClosestFromOrderedList(i,ptindexlist)]*graphsize/(max(datax)-min(datax)))) for i in range(0,nbpts)]
# the following works only if points are equally
#self.pt2px = [int(round(datax[min(int(round(i*len(datax)/nbpts)),len(datax)-1)]*graphsize/(max(datax)-min(datax)))) for i in range(0,nbpts)]
else:
self.pt2px = None
self.width = len(datay) + self.marginsize
chart = SimpleLineChart(self.width, self.height, y_range=[min_y,max_y])
chart.add_data(data)
chart.set_colours(['0000FF'])
#print('here %d %d'%(min_y,max_y))
#sys.exit()
chart.set_axis_labels(Axis.LEFT, MyRange(min_y,max_y,scaling_y))
marginright = 0
chart.markers.append(('B','FFEE0080','0','1.0','0'))
#chart.add_fill_simple('FFCC00')
# Set the vertical stripes
#chart.fill_linear_stripes(Chart.CHART, 0, 'CCCCCC', 0.2, 'FFFFFF', 0.2)
# Set label
#chart.set_title(label)
# Build googlecharts url
#print '&chma='+str(self.marginsize-2)+','+str(marginright)+',0,0'
self.imagefileurl = chart.get_url() + '&chma='+str(self.marginsize-2)+','+str(marginright)+',0,0'
if len(self.imagefileurl)>2069:
raise ValueError('Too much values (%d) instead of 2069' % (len(self.imagefileurl)))
Log('MyXYChart: end\n')
