def _add_bar_graph(self, item, shading='faceted'):
if DEBUG:
print "Adding a bar graph"
# get data:
x = squeeze(item.getp('xdata'))
y = squeeze(item.getp('ydata'))
# get line specifiactions:
marker, color, style, width = self._get_linespecs(item)
edgecolor = item.getp('edgecolor')
if not edgecolor:
edgecolor = 'k' # use black for now
# FIXME: edgecolor should be same as ax.getp('fgcolor') by default
facecolor = item.getp('facecolor')
if not facecolor:
facecolor = color
opacity = item.getp('material').getp('opacity')
if opacity is None:
opacity = 1.0
if y.ndim == 1:
y = reshape(y,(len(y),1))
nx, ny = shape(y)
step = item.getp('barstepsize')/10
center = floor(ny/2)
start = -step*center
stop = step*center
if not ny%2:
start += step/2
stop -= step/2
a = linspace(start,stop,ny)
barwidth = item.getp('barwidth')/10
hold_state = self._g.ishold()
self._g.hold(True)
colors = PlotProperties._colors + \
list(matplotlib.colors.cnames.values())
for j in range(ny):
y_ = y[:,j]
x_ = array(list(range(nx))) + a[j] - barwidth/2
if not facecolor:
c = colors[j]
else:
c = facecolor
self._g.bar(x_, y_, width=barwidth, color=c,
ec=edgecolor, alpha=opacity)
self._g.hold(hold_state)
barticks = item.getp('barticks')
if barticks is None:
barticks = x
if item.getp('rotated_barticks'):
self._g.xticks(list(range(len(x))), barticks, rotation=90)
else:
self._g.xticks(list(range(len(x))), barticks)
def _add_bars(self, name, item, shading='faceted'):
if DEBUG:
print("Adding a bar graph")
# get data:
x = item.getp('xdata')
y = item.getp('ydata')
# get line specifiactions:
marker, color, style, width = self._get_linespecs(item)
if y.ndim == 1:
y = reshape(y, (len(y), 1))
nx, ny = shape(y)
barticks = item.getp('barticks')
if barticks is None:
barticks = list(range(nx))
xtics = ', '.join(['"%s" %d' % (m, i)
for i, m in enumerate(barticks)])
if item.getp('rotated_barticks'):
pass
barwidth = item.getp('barwidth') / 10
edgecolor = item.getp('edgecolor')
if not edgecolor:
edgecolor = 'black' # use black for now
# FIXME: edgecolor should be same as ax.getp('fgcolor') by default
else:
edgecolor = self._colors.get(edgecolor, 'black')
if shading == 'faceted':
pass
else:
pass
facecolor = item.getp('facecolor')
if not facecolor:
facecolor = color
facecolor = self._colors.get(facecolor, 'blue') # use blue as default
step = item.getp('barstepsize') / 10
center = floor(ny / 2)
start = -step * center
stop = step * center
if not ny % 2:
start += step / 2
stop -= step / 2
a = linspace(start, stop, ny)
self._g.configure(barmode="overlap")
data = []
for j in range(ny):
y_ = y[:, j]
x_ = array(list(range(nx))) + a[j]
curvename = '%s_bar%s' % (name, j)
if not item.getp('linecolor') and not item.getp('facecolor'):
color = 'black'
else:
color = facecolor
self._g.bar_create(curvename,
xdata=tuple(x_),
ydata=tuple(y_),
barwidth=barwidth,
fg=color)