#
# Copyright (C) 2000-2005 by Yasushi Saito (yasushi.saito@gmail.com)
#
# Pychart is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version.
#
# Pychart is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
from pychart import *
class zap_y_coord(linear_coord.T):
# Method get_data_range is inherited from linear_coord.T.
def get_canvas_pos(self, size, val, min, max):
# Zap Y values between 70 and 240.
# Thus, Y axis will display 0..70 and 240..280, 110 points total.
if val <= 70:
return linear_coord.T.get_canvas_pos(self, size, val, 0, 110)
elif val <= 240:
return linear_coord.T.get_canvas_pos(self, size, 70, 0, 110)
else:
return linear_coord.T.get_canvas_pos(self, size, val - 170, 0, 110)
def get_tics(self, min, max, interval):
# Don't draw tick marks between 65 and 245.
tics = linear_coord.T.get_tics(self, min, max, interval)
return [x for x in tics if x < 65 or x > 256]
can = canvas.default_canvas()
theme.get_options()
data = [(10, 20, 30, 5), (20, 265, 33, 5),
(30, 255, 30, 5), (40, 45, 51, 7), (50, 25, 27, 3)]
chart_object.set_defaults(area.T, size = (150, 120), y_range = (0, 280),
y_coord = zap_y_coord(),
x_coord = category_coord.T(data, 0))
chart_object.set_defaults(bar_plot.T, data = data)
bar_plot.fill_styles.reset();
plot1=bar_plot.T(label="foo", cluster=(0,3))
plot2=bar_plot.T(label="bar", hcol=2, cluster=(1,3))
plot3=bar_plot.T(label="baz", hcol=3, cluster=(2,3))
ar = area.T(loc=(250,0),
x_axis=axis.X(label="X label", format="/a-30{}%d"),
y_axis=axis.Y(label="Y label", tic_interval=10))
ar.add_plot(plot1, plot2, plot3)
ar.draw()
for x in (ar.x_pos(10) - 20, ar.x_pos(20)- 10, ar.x_pos(30) - 10):
zap.zap_horizontally(can, line_style.default, fill_style.white,
x, ar.y_pos(65), x+16, ar.y_pos(65) + 4, 4, 4)
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