def saveGraph(clusters, width = 500, height = 500):
"""
Generate graph and save it as a PNG file.
"""
# width = 500
# height = width
padding = 30
xlist = []
ylist = []
coords = []
i = 0
j = 0
pointColours = []
for cluster in clusters:
for point in cluster.points:
dimension = point.n
for i in xrange(dimension):
coords.append([])
break
break
coords.append([]) # For the z-axis/colors/point size
# Because of the braindead way of serializing the point coordinates and
# other data about the points, this is hairy. We specify the colour for
# each point individually, despite really caring about the colour of the
# whole series
# 28 clusters supported
palette = [
"FF0000" ,"00FF00" ,"0000FF" ,"FFFF00" ,"FF00FF"
,"FFFF00" ,"00FFFF" ,"FF00FF" ,"00FFFF" ,"AA0000" ,"00AA00"
,"0000AA" ,"AAAA00" ,"AA00AA" ,"AAAA00" ,"00AAAA" ,"AA00AA"
,"00AAAA" ,"550000" ,"005500" ,"000055" ,"555500" ,"550055"
,"555500" ,"005555" ,"550055" ,"005555"
,
"FF3333" ,"33FF33" ,"3333FF" ,"FFFF33" ,"FF33FF"
,"FFFF33" ,"33FFFF" ,"FF33FF" ,"33FFFF" ,"AA3333" ,"33AA33"
,"3333AA" ,"AAAA33" ,"AA33AA" ,"AAAA33" ,"33AAAA" ,"AA33AA"
,"33AAAA" ,"553333" ,"335533" ,"333355" ,"555533" ,"553355"
,"555533" ,"335555" ,"553355" ,"335555"
,
"FF9999" ,"99FF99" ,"9999FF" ,"FFFF99" ,"FF99FF"
,"FFFF99" ,"99FFFF" ,"FF99FF" ,"99FFFF" ,"AA9999" ,"99AA99"
,"9999AA" ,"AAAA99" ,"AA99AA" ,"AAAA99" ,"99AAAA" ,"AA99AA"
,"99AAAA" ,"559999" ,"995599" ,"999955" ,"555599" ,"559955"
,"555599" ,"995555" ,"559955" ,"995555"
]
clusterNumber = 1
for cluster in clusters:
for point in cluster.points:
for i in xrange(point.n):
coords[i].append(point.coords[i])
# Different size dots
#coords[2].append(clusterNumber)
coords[2].append(5)
try:
pointColours.append(palette[clusterNumber])
except:
pointColours.append("000000")
clusterNumber += 1
xlist = coords[0]
ylist = coords[1]
zlist = coords[2]
chart = ScatterChart(width, height,
x_range=(min(xlist) - padding, max(xlist) + padding),
y_range=(min(ylist) - padding, max(ylist) + padding))
chart.set_axis_range('x', min(xlist) - padding, max(xlist) + padding)
chart.set_axis_range('t', min(xlist) - padding, max(xlist) + padding)
chart.set_axis_range('y', min(ylist) - padding, max(ylist) + padding)
chart.set_axis_range('r', min(ylist) - padding, max(ylist) + padding)
# # Add an invisible point to allow scalling of the other points
# # This must come after the min/max above
# for cluster in clusters:
# for point in cluster.points:
# for i in xrange(point.n):
# coords[i].append(point.coords[i] + 16300)
# # Must be bigger then the rest
# coords[2].append(10)
# # White-on-white, i.e. invisible
# pointColours.append("FFFFFF")
# break
# break
chart.add_data(xlist)
chart.add_data(ylist)
chart.add_data(zlist)
chart.set_colours_within_series(pointColours)
chart.download(_image_file_name)
