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#!/usr/bin/env python
from gtk import *
from gtkextra import *
from math import exp, pow, sin
import icons
class Application(GtkWindow):
scale = 1.0
def __init__(self):
self.nlayers = 0
self.buttons = []
self.plots = []
page_width = PLOT_LETTER_W * self.scale
page_height = PLOT_LETTER_H * self.scale
GtkWindow.__init__(self, title="GtkPlot Demo")
self.set_usize(550, 650)
self.connect("destroy", mainquit)
scrollwin = GtkScrolledWindow()
scrollwin.set_policy(POLICY_ALWAYS, POLICY_ALWAYS)
self.add(scrollwin)
colormap = self.get_colormap()
light_yellow = colormap.alloc("light yellow")
light_blue = colormap.alloc("light blue")
canvas = GtkPlotCanvas(page_width, page_height)
canvas.plot_canvas_set_flags(PLOT_CANVAS_DND_FLAGS)
scrollwin.add_with_viewport(canvas)
canvas.set_size(page_width, page_height)
plot = self.new_layer(canvas)
plot.set_range(-1.0, 1.0, -1.0, 1.4)
plot.legends_move(0.51, 0.05)
plot.set_legends_border(PLOT_BORDER_NONE)
plot.axis_hide_title(PLOT_AXIS_TOP)
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)
plot.axis_set_labels_suffix(PLOT_AXIS_LEFT, "%");
canvas.add_plot(plot, 0.15, 0.06)
self.build_example1(plot)
plot = self.new_layer(canvas)
plot.set_background(light_yellow)
plot.legends_set_attributes(None, 0, None, light_blue)
plot.set_range(0.0, 1.0, 0.0, 0.85)
plot.axis_set_visible(PLOT_AXIS_TOP, TRUE)
plot.axis_set_visible(PLOT_AXIS_RIGHT, TRUE)
plot.axis_hide_title(PLOT_AXIS_TOP)
plot.axis_hide_title(PLOT_AXIS_RIGHT)
plot.grids_set_visible(TRUE, TRUE, TRUE, TRUE)
plot.set_legends_border(PLOT_BORDER_SHADOW, 3)
plot.legends_move(0.58, 0.05)
canvas.add_plot(plot, 0.15, 0.4)
self.build_example2(plot)
canvas.connect("select_item", self.select_item)
canvas.put_text(0.40, 0.02, "Times-BoldItalic", 16, 0, None, None,
TRUE, JUSTIFY_CENTER, "DnD titles, legends and plots")
canvas.put_text(0.40, 0.72, "Times-Roman", 16, 0, None, None,
TRUE, JUSTIFY_CENTER,
"You can use \\ssubscripts\\b\\b\\b\\b\\b\\b\\b"\
"\\b\\b\\b\\N\\Ssuperscripts")
child = canvas.put_text(0.40, 0.755, "Times-Roman", 16, 0, None, None,
TRUE, JUSTIFY_CENTER,
"Format text mixing \\Bbold \\N\\i, italics, "\
"\\ggreek \\4\\N and \\+different fonts")
child.data.set_border(PLOT_BORDER_SHADOW, 2, 0, 2)
self.show_all()
try:
canvas.export_ps_with_size("plotdemo.ps", eps=TRUE)
print "Wrote plotdemo.ps"
except:
pass
def select_item(self, canvas, event, item, *args):
if item.type == PLOT_CANVAS_TEXT:
print "Item selected: TEXT"
elif item.type == PLOT_CANVAS_TITLE:
print "Item selected: TITLE"
elif item.type == PLOT_CANVAS_LEGENDS:
print "Item selected: LEGENDS"
elif item.type == PLOT_CANVAS_PLOT:
print "Item selected: PLOT"
elif item.type == PLOT_CANVAS_AXIS:
print "Item selected: AXIS"
elif item.type == PLOT_CANVAS_PIXMAP:
print "Item selected: PIXMAP"
elif item.type == PLOT_CANVAS_DATA:
print "Item selected: DATA"
elif item.type == PLOT_CANVAS_NONE:
print "Item selected: NONE"
plot = canvas.get_active_plot()
for n in xrange(self.nlayers):
if plot == self.plots[n]:
canvas.set_active_plot(plot)
self.buttons[n].set_active(TRUE)
else:
self.buttons[n].set_active(FALSE)
return TRUE
def activate_plot(self, button, canvas, *args):
if button.get_active():
for n in xrange(self.nlayers):
if button == self.buttons[n]:
canvas.set_active_plot(self.plots[n])
else:
self.buttons[n].set_active(FALSE)
return TRUE
def activate_button(self, canvas, *args):
plot = canvas.get_active_plot()
for n in xrange(self.nlayers):
if plot == self.plots[n]:
self.buttons[n].set_active(TRUE)
else:
self.buttons[n].set_active(FALSE)
return TRUE
def new_layer(self, canvas):
self.nlayers = self.nlayers + 1
button = GtkToggleButton(str(self.nlayers))
button.set_usize(20, 20)
canvas.put(button, (self.nlayers - 1) * 20, 0)
button.connect("toggled", self.activate_plot, canvas)
plot = GtkPlot(width=0.5, height=0.25)
self.buttons.append(button)
self.plots.append(plot)
button.set_active(TRUE)
return plot
def build_example1(self, plot):
px1 = [0., .2, .4, .6, .8, 1.]
py1 = [.2, .4, .5, .35, .30, .40]
dx1 = [.2, .2, .2, .2, .2, .2]
dy1 = [.1, .1, .1, .1, .1, .1]
px2 = [0., -.2, -.4, -.6, -.8, -1.]
py2 = [.2, .4, .5, .35, .30, .40]
dx2 = [.2, .2, .2, .2, .2, .2]
dy2 = [.1, .1, .1, .1, .1, .1]
colormap = self.get_colormap()
red = colormap.alloc("red")
black = colormap.alloc("black")
blue = colormap.alloc("blue")
data = GtkPlotData()
plot.add_data(data)
data.set_points(px1, py1, dx1, dy1)
data.set_symbol(PLOT_SYMBOL_DIAMOND, PLOT_SYMBOL_EMPTY, 10, 2, red)
data.set_line_attributes(PLOT_LINE_SOLID, 1, red)
data.set_connector(PLOT_CONNECT_SPLINE)
data.show_yerrbars()
data.set_legend("Spline + EY")
data = GtkPlotData()
plot.add_data(data)
data.set_points(px2, py2, dx2, dy2)
data.set_symbol(PLOT_SYMBOL_SQUARE, PLOT_SYMBOL_OPAQUE, 8, 2, black)
data.set_line_attributes(PLOT_LINE_SOLID, 4, red)
data.set_connector(PLOT_CONNECT_STRAIGHT)
data.set_x_attributes(PLOT_LINE_SOLID, 0, black)
data.set_y_attributes(PLOT_LINE_SOLID, 0, black)
data.set_legend("Line + Symbol")
data = plot.add_function(self.function)
data.set_line_attributes(PLOT_LINE_SOLID, 0, blue)
data.set_legend("Function Plot")
def build_example2(self, plot):
px2 = [.1, .2, .3, .4, .5, .6, .7, .8]
py2 = [.012, .067, .24, .5, .65, .5, .24, .067]
dx2 = [.1, .1, .1, .1, .1, .1, .1, .1]
colormap = self.get_colormap()
dark_green = colormap.alloc("dark green")
blue = colormap.alloc("blue")
data = plot.add_function(self.gaussian)
data.set_line_attributes(PLOT_LINE_DASHED, 2, dark_green)
data.set_legend("Gaussian")
data = GtkPlotBar(ORIENTATION_VERTICAL)
plot.add_data(data)
data.set_points(px2, py2, dx2)
data.set_symbol(PLOT_SYMBOL_NONE, PLOT_SYMBOL_OPAQUE, 10, 2, blue)
data.set_line_attributes(PLOT_LINE_NONE, 1, blue)
data.set_connector(PLOT_CONNECT_NONE)
data.set_legend("V Bars")
def function(self, x, *extra):
try:
return -0.5 + 0.3 * sin(3.0 * x) * sin(50.0 * x)
except:
return None
def gaussian(self, x, *extra):
try:
return 0.65 * exp(-0.5 * pow(x - 0.5, 2) / 0.02)
except:
return None
def mainloop(self):
mainloop()
if __name__ == '__main__':
app = Application()
app.mainloop()
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