source: branches/alma/python/asaplotgui_gtk.py@ 2835

Last change on this file since 2835 was 1757, checked in by Kana Sugimoto, 14 years ago

New Development: Yes

JIRA Issue: Yes (CAS-2211)

Ready for Test: Yes

Interface Changes: Yes

What Interface Changed: ASAP 3.0.0 interface changes

Test Programs:

Put in Release Notes: Yes

Module(s): all the CASA sd tools and tasks are affected.

Description: Merged ATNF-ASAP 3.0.0 developments to CASA (alma) branch.

Note you also need to update casa/code/atnf.


File size: 6.9 KB
Line 
1"""
2ASAP plotting class based on matplotlib.
3"""
4
5from asap.asaplotbase import *
6# Force use of the newfangled toolbar.
7import gtk
8import matplotlib
9from matplotlib.backends.backend_gtkagg import FigureCanvasGTKAgg as FigureCanvas
10from matplotlib.backends.backend_gtkagg import FigureManagerGTKAgg
11matplotlib.use("GTkAgg")
12matplotlib.rcParams['toolbar'] = 'toolbar2'
13from matplotlib.backends.backend_gtk import NavigationToolbar2GTK as NavigationToolbar
14
15class asaplotgui(asaplotbase):
16 """
17 ASAP plotting class based on matplotlib.
18 """
19
20 def __init__(self, rows=1, cols=0, title='', size=None, buffering=False):
21 """
22 Create a new instance of the ASAPlot plotting class.
23
24 If rows < 1 then a separate call to set_panels() is required to define
25 the panel layout; refer to the doctext for set_panels().
26 """
27 v = vars()
28 del v['self']
29
30 asaplotbase.__init__(self, **v)
31 matplotlib.interactive = True
32 self.canvas = FigureCanvas(self.figure)
33 # Simply instantiating this is enough to get a working toolbar.
34 self.figmgr = FigureManagerGTKAgg(self.canvas, 1)
35 def dest_callback(val):
36 self.is_dead = True
37 self.figmgr.window.destroy()
38 self.window = self.figmgr.window
39 self.window.connect("destroy", dest_callback )
40 self.window.set_title('ASAP Plotter - GTK')
41 self.events = {'button_press':None,
42 'button_release':None,
43 'motion_notify':None}
44
45 self.buffering = buffering
46 matplotlib.rcParams['interactive'] = True
47 #self.canvas.set_size_request(800,600)
48
49 #self.canvas.show()
50
51 def map(self):
52 """
53 Reveal the ASAPlot graphics window and bring it to the top of the
54 window stack.
55 """
56 self.window.deiconify()
57 #self.window.lift()
58
59# def position(self):
60# """
61# Use the mouse to get a position from a graph.
62# """
63
64# def position_disable(event):
65# self.register('button_press', None)
66# print '%.4f, %.4f' % (event.xdata, event.ydata)
67
68# print 'Press any mouse button...'
69# self.register('button_press', position_disable)
70
71
72 def quit(self):
73 """
74 Destroy the ASAPlot graphics window.
75 """
76 self.window.destroy()
77
78
79# def region(self):
80# """
81# Use the mouse to get a rectangular region from a plot.
82
83# The return value is [x0, y0, x1, y1] in world coordinates.
84# """
85
86# def region_start(event):
87# height = self.canvas.figure.bbox.height()
88# self.rect = {'fig': None, 'height': height,
89# 'x': event.x, 'y': height - event.y,
90# 'world': [event.xdata, event.ydata,
91# event.xdata, event.ydata]}
92# self.register('button_press', None)
93# self.register('motion_notify', region_draw)
94# self.register('button_release', region_disable)
95
96# def region_draw(event):
97# self.canvas._tkcanvas.delete(self.rect['fig'])
98# self.rect['fig'] = self.canvas._tkcanvas.create_rectangle(
99# self.rect['x'], self.rect['y'],
100# event.x, self.rect['height'] - event.y)
101
102# def region_disable(event):
103# self.register('motion_notify', None)
104# self.register('button_release', None)
105
106# self.canvas._tkcanvas.delete(self.rect['fig'])
107
108# self.rect['world'][2:4] = [event.xdata, event.ydata]
109# print '(%.2f, %.2f) (%.2f, %.2f)' % (self.rect['world'][0],
110# self.rect['world'][1], self.rect['world'][2],
111# self.rect['world'][3])
112
113# self.register('button_press', region_start)
114
115# # This has to be modified to block and return the result (currently
116# # printed by region_disable) when that becomes possible in matplotlib.
117
118# return [0.0, 0.0, 0.0, 0.0]
119
120
121# def register(self, type=None, func=None):
122# """
123# Register, reregister, or deregister events of type 'button_press',
124# 'button_release', or 'motion_notify'.
125
126# The specified callback function should have the following signature:
127
128# def func(event)
129
130# where event is an MplEvent instance containing the following data:
131
132# name # Event name.
133# canvas # FigureCanvas instance generating the event.
134# x = None # x position - pixels from left of canvas.
135# y = None # y position - pixels from bottom of canvas.
136# button = None # Button pressed: None, 1, 2, 3.
137# key = None # Key pressed: None, chr(range(255)), shift,
138# win, or control
139# inaxes = None # Axes instance if cursor within axes.
140# xdata = None # x world coordinate.
141# ydata = None # y world coordinate.
142
143# For example:
144
145# def mouse_move(event):
146# print event.xdata, event.ydata
147
148# a = asaplot()
149# a.register('motion_notify', mouse_move)
150
151# If func is None, the event is deregistered.
152
153# Note that in TkAgg keyboard button presses don't generate an event.
154# """
155
156# if not self.events.has_key(type): return
157
158# if func is None:
159# if self.events[type] is not None:
160# # It's not clear that this does anything.
161# self.canvas.mpl_disconnect(self.events[type])
162# self.events[type] = None
163
164# # It seems to be necessary to return events to the toolbar.
165# if type == 'motion_notify':
166# self.canvas.mpl_connect(type + '_event',
167# self.figmgr.toolbar.mouse_move)
168# elif type == 'button_press':
169# self.canvas.mpl_connect(type + '_event',
170# self.figmgr.toolbar.press)
171# elif type == 'button_release':
172# self.canvas.mpl_connect(type + '_event',
173# self.figmgr.toolbar.release)
174
175# else:
176# self.events[type] = self.canvas.mpl_connect(type + '_event', func)
177
178
179 def show(self, hardrefresh=True):
180 """
181 Show graphics dependent on the current buffering state.
182 """
183 if not self.buffering:
184 if hardrefresh:
185 asaplotbase.show(self, hardrefresh)
186 self.window.deiconify()
187 self.canvas.draw()
188 self.window.show_all()
189
190 def terminate(self):
191 """
192 Clear the figure.
193 """
194 self.window.destroy()
195
196 def unmap(self):
197 """
198 Hide the ASAPlot graphics window.
199 """
200 self.window.wm_withdraw()
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