def _updateChart(self):
"""Evaluates measures for vertical bars"""
super(StackedVerticalBarChart, self)._updateChart()
accumulated_heights = {}
for i, (name, store) in enumerate(self.datasets):
for item in store:
xval, yval = item
x = ((xval - self.minxval) * self.xscale) + self.barMargin
w = self.barWidth
h = abs(yval) * self.yscale
if yval > 0:
y = (1.0 - h) - self.origin
else:
y = 1 - self.origin
accumulated_height = accumulated_heights.setdefault(xval, 0)
y -= accumulated_height
accumulated_heights[xval] += h
rect = Rect(x, y, w, h, xval, yval, name)
if (0.0 <= rect.x <= 1.0) and (0.0 <= rect.y <= 1.0):
self.bars.append(rect)
def _updateChart(self):
"""Evaluates measures for horizontal bars"""
super(StackedHorizontalBarChart, self)._updateChart()
accumulated_widths = {}
for i, (name, store) in enumerate(self.datasets):
for item in store:
xval, yval = item
y = ((xval - self.minxval) * self.xscale) + self.barMargin
h = self.barWidth
w = abs(yval) * self.yscale
if yval > 0:
x = self.origin
else:
x = self.origin - w
accumulated_width = accumulated_widths.setdefault(xval, 0)
x += accumulated_width
accumulated_widths[xval] += w
rect = Rect(x, y, w, h, xval, yval, name)
if (0.0 <= rect.x <= 1.0) and (0.0 <= rect.y <= 1.0):
self.bars.append(rect)