def fake_filled_circles(labels, colors=None, sizes=None, x=-9.99e12, y=-9.99e12):
"""
When using a dot as plot symbol, the PlotKey is not useful because the dot
is too small to see. This creates a filled circle point in specified
location (should be off the plot region) and returns the Point objects in a
list with the specified labels and possibly colors.
Then add these to your PlotKey
"""
from biggles import Point
if colors is not None:
if len(colors) != len(labels):
raise ValueError("colors must be same len as labels")
if sizes is not None:
if len(sizes) != len(labels):
raise ValueError("sizes must be same len as labels")
points=[]
keys={}
for i in xrange(len(labels)):
if colors is not None:
keys['color'] = colors[i]
if sizes is not None:
keys['size'] = sizes[i]
p = Point(x,y,type='filled circle', **keys)
p.label = labels[i]
points.append(p)
return points
def fake_points(symbols, labels, colors=None, sizes=None, x=-9.99e12, y=-9.99e12):
"""
fake points for use with plot legends when the points object is not
available
Add these to a biggles.PlotKey object
"""
from biggles import Point
if len(symbols) != len(labels):
raise ValueError("symbols must be same len as labels")
if colors is not None:
if len(colors) != len(labels):
raise ValueError("colors must be same len as labels")
if sizes is not None:
if len(sizes) != len(labels):
raise ValueError("sizes must be same len as labels")
points=[]
for i in xrange(len(labels)):
keys = {'type':symbols[i]}
if colors is not None:
keys['color'] = colors[i]
if sizes is not None:
keys['size'] = sizes[i]
p = Point(x,y, **keys)
p.label = labels[i]
points.append(p)
return points
def fake_points(symbols, labels, colors=None, sizes=None, x=9.99e12, y=9.99e12):
"""
fake points for use with plot legends when the points object is not
available
Add these to a biggles.PlotKey object
"""
from biggles import Point
if len(symbols) != len(labels):
raise ValueError("symbols must be same len as labels")
if colors is not None:
if len(colors) != len(labels):
raise ValueError("colors must be same len as labels")
if sizes is not None:
if len(sizes) != len(labels):
raise ValueError("sizes must be same len as labels")
points=[]
for i in xrange(len(labels)):
keys = {'type':symbols[i]}
if colors is not None:
if colors[i] is not None:
keys['color'] = colors[i]
if sizes is not None:
keys['size'] = sizes[i]
p = Point(x,y, **keys)
p.label = labels[i]
points.append(p)
return points
