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# Copyright (c) 2007-2008 by Lorenzo Gil Sanchez <lorenzo.gil.sanchez@gmail.com>
#
# This file is part of PyCha.
#
# PyCha is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# PyCha 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PyCha. If not, see <http://www.gnu.org/licenses/>.
import random
import sys
import cairo
import pycha.scatter
from lines import lines
def scatterplotChart(output):
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 400, 200)
dataSet = (
('points', [(i, random.random() * 100.0) for i in range(100)]),
)
options = {
'background': {
'color': '#eeeeff',
'lineColor': '#444444'
},
'colorScheme': 'blue',
'legend': {
'hide': True,
},
'padding': {
'left': 55
}
}
chart = pycha.scatter.ScatterplotChart(surface, options)
chart.addDataset(dataSet)
chart.render()
surface.write_to_png(output)
if __name__ == '__main__':
output = sys.argv[1] if len(sys.argv) > 1 else 'scatterchart.png'
scatterplotChart(output)
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