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#!/usr/bin/env python
from gtk import *
from gtkextra import *
class Application(GtkWindow):
def __init__(self):
GtkWindow.__init__(self, title="GtkPlotFlux Demo")
self.set_usize(550, 340)
self.connect("destroy", mainquit)
colormap = self.get_colormap()
red = colormap.alloc("red")
scrollwin = GtkScrolledWindow()
scrollwin.set_policy(POLICY_AUTOMATIC, POLICY_AUTOMATIC)
self.add(scrollwin)
canvas = GtkPlotCanvas(PLOT_LETTER_W, PLOT_LETTER_H)
canvas.plot_canvas_set_flags(PLOT_CANVAS_CAN_SELECT_POINT
| PLOT_CANVAS_CAN_DND_POINT)
canvas.connect("select_item", self.select_item)
scrollwin.add_with_viewport(canvas)
plot = GtkPlot(width=0.5, height=0.25)
plot.set_range(-1.0, 1.0, -1.0, 1.4)
plot.legends_move(0.51, 0.05)
plot.set_legends_border(0, 0)
plot.axis_hide_title(PLOT_AXIS_TOP)
plot.axis_show_ticks(PLOT_AXIS_BOTTOM, 15, 3)
plot.axis_set_ticks(PLOT_AXIS_X, 1.0, 1)
plot.axis_set_ticks(PLOT_AXIS_Y, 1.0, 1)
plot.axis_set_visible(PLOT_AXIS_TOP, TRUE)
plot.axis_set_visible(PLOT_AXIS_RIGHT, TRUE)
plot.x0_set_visible(TRUE)
plot.y0_set_visible(TRUE)
canvas.add_plot(plot, 0.15, 0.06)
px1 = [0., 0.2, 0.4, 0.6, 0.8, 1.0]
py1 = [.2, .4, .5, .35, .30, .40]
px2 = [.12, .22, .27, .12, .052, .42]
py2 = [.0, .05, .12, .22, .16, .1]
data = GtkPlotFlux()
data.set_points(px1, py1, px2, py2)
data.set_symbol(PLOT_SYMBOL_CIRCLE, PLOT_SYMBOL_OPAQUE, 10, 2, red)
data.set_line_attributes(PLOT_LINE_NONE, 1, red)
data.set_legend("Flux")
plot.add_data(data)
self.show_all()
def select_item(self, canvas, event, item, *args):
if item.type == PLOT_CANVAS_DATA:
tuple = canvas.get_active_point()
if tuple:
print "Active point:", tuple[0], "->", tuple[1], tuple[2]
return TRUE
def mainloop(self):
mainloop()
if __name__ == '__main__':
app = Application()
app.mainloop()
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