1 | |
---|
2 | |
---|
3 | |
---|
4 | ################################################################################ |
---|
5 | #This software was developed by the University of Tennessee as part of the |
---|
6 | #Distributed Data Analysis of Neutron Scattering Experiments (DANSE) |
---|
7 | #project funded by the US National Science Foundation. |
---|
8 | # |
---|
9 | #See the license text in license.txt |
---|
10 | # |
---|
11 | #copyright 2009, University of Tennessee |
---|
12 | ################################################################################ |
---|
13 | |
---|
14 | |
---|
15 | import sys |
---|
16 | import wx |
---|
17 | import copy |
---|
18 | import logging |
---|
19 | from sas.guiframe.gui_manager import MDIFrame |
---|
20 | from sas.guiframe.dataFitting import Data1D |
---|
21 | from sas.guiframe.events import NewPlotEvent |
---|
22 | from sas.guiframe.events import StatusEvent |
---|
23 | from sas.guiframe.gui_style import GUIFRAME_ID |
---|
24 | from sas.perspectives.invariant.invariant_state import Reader as reader |
---|
25 | from sas.dataloader.loader import Loader |
---|
26 | from sas.perspectives.invariant.invariant_panel import InvariantPanel |
---|
27 | from sas.guiframe.plugin_base import PluginBase |
---|
28 | |
---|
29 | class Plugin(PluginBase): |
---|
30 | """ |
---|
31 | This class defines the interface for invariant Plugin class |
---|
32 | that can be used by the gui_manager. |
---|
33 | """ |
---|
34 | |
---|
35 | def __init__(self, standalone=False): |
---|
36 | PluginBase.__init__(self, name="Invariant", standalone=standalone) |
---|
37 | |
---|
38 | #dictionary containing data name and error on dy of that data |
---|
39 | self.err_dy = {} |
---|
40 | |
---|
41 | #default state objects |
---|
42 | self.state_reader = None |
---|
43 | self._extensions = '.inv' |
---|
44 | self.temp_state = None |
---|
45 | self.__data = None |
---|
46 | |
---|
47 | # Log startup |
---|
48 | logging.info("Invariant plug-in started") |
---|
49 | |
---|
50 | def help(self, evt): |
---|
51 | """ |
---|
52 | Show a general help dialog. |
---|
53 | """ |
---|
54 | from help_panel import HelpWindow |
---|
55 | frame = HelpWindow(None, -1) |
---|
56 | if hasattr(frame, "IsIconized"): |
---|
57 | if not frame.IsIconized(): |
---|
58 | try: |
---|
59 | icon = self.parent.GetIcon() |
---|
60 | frame.SetIcon(icon) |
---|
61 | except: |
---|
62 | pass |
---|
63 | frame.Show(True) |
---|
64 | |
---|
65 | def get_data(self): |
---|
66 | """ |
---|
67 | """ |
---|
68 | return self.__data |
---|
69 | |
---|
70 | def get_panels(self, parent): |
---|
71 | """ |
---|
72 | Create and return the list of wx.Panels for your plug-in. |
---|
73 | Define the plug-in perspective. |
---|
74 | |
---|
75 | Panels should inherit from DefaultPanel defined below, |
---|
76 | or should present the same interface. They must define |
---|
77 | "window_caption" and "window_name". |
---|
78 | |
---|
79 | :param parent: parent window |
---|
80 | |
---|
81 | :return: list of panels |
---|
82 | """ |
---|
83 | ## Save a reference to the parent |
---|
84 | self.parent = parent |
---|
85 | self.frame = MDIFrame(self.parent, None, 'None', (100, 200)) |
---|
86 | self.invariant_panel = InvariantPanel(parent=self.frame) |
---|
87 | self.frame.set_panel(self.invariant_panel) |
---|
88 | self._frame_set_helper() |
---|
89 | self.invariant_panel.set_manager(manager=self) |
---|
90 | self.perspective.append(self.invariant_panel.window_name) |
---|
91 | #Create reader when fitting panel are created |
---|
92 | self.state_reader = reader(self.set_state) |
---|
93 | #append that reader to list of available reader |
---|
94 | loader = Loader() |
---|
95 | loader.associate_file_reader(".inv", self.state_reader) |
---|
96 | #loader.associate_file_reader(".svs", self.state_reader) |
---|
97 | # Return the list of panels |
---|
98 | return [self.invariant_panel] |
---|
99 | |
---|
100 | def get_context_menu(self, plotpanel=None): |
---|
101 | """ |
---|
102 | This method is optional. |
---|
103 | |
---|
104 | When the context menu of a plot is rendered, the |
---|
105 | get_context_menu method will be called to give you a |
---|
106 | chance to add a menu item to the context menu. |
---|
107 | |
---|
108 | A ref to a Graph object is passed so that you can |
---|
109 | investigate the plot content and decide whether you |
---|
110 | need to add items to the context menu. |
---|
111 | |
---|
112 | This method returns a list of menu items. |
---|
113 | Each item is itself a list defining the text to |
---|
114 | appear in the menu, a tool-tip help text, and a |
---|
115 | call-back method. |
---|
116 | |
---|
117 | :param graph: the Graph object to which we attach the context menu |
---|
118 | |
---|
119 | :return: a list of menu items with call-back function |
---|
120 | """ |
---|
121 | graph = plotpanel.graph |
---|
122 | invariant_option = "Compute invariant" |
---|
123 | invariant_hint = "Will displays the invariant panel for" |
---|
124 | invariant_hint += " further computation" |
---|
125 | |
---|
126 | if graph.selected_plottable not in plotpanel.plots: |
---|
127 | return [] |
---|
128 | data = plotpanel.plots[graph.selected_plottable] |
---|
129 | |
---|
130 | if issubclass(data.__class__, Data1D): |
---|
131 | if data.name != "$I_{obs}(q)$" and data.name != " $P_{fit}(r)$": |
---|
132 | return [[invariant_option, invariant_hint, |
---|
133 | self._compute_invariant]] |
---|
134 | return [] |
---|
135 | |
---|
136 | def _compute_invariant(self, event): |
---|
137 | """ |
---|
138 | Open the invariant panel to invariant computation |
---|
139 | """ |
---|
140 | self.panel = event.GetEventObject() |
---|
141 | Plugin.on_perspective(self, event=event) |
---|
142 | id = self.panel.graph.selected_plottable |
---|
143 | data = self.panel.plots[self.panel.graph.selected_plottable] |
---|
144 | if data is None: |
---|
145 | return |
---|
146 | if not issubclass(data.__class__, Data1D): |
---|
147 | name = data.__class__.__name__ |
---|
148 | msg = "Invariant use only Data1D got: [%s] " % str(name) |
---|
149 | raise ValueError, msg |
---|
150 | self.compute_helper(data=data) |
---|
151 | |
---|
152 | def set_data(self, data_list=None): |
---|
153 | """ |
---|
154 | receive a list of data and compute invariant |
---|
155 | """ |
---|
156 | msg = "" |
---|
157 | data = None |
---|
158 | if data_list is None: |
---|
159 | data_list = [] |
---|
160 | if len(data_list) >= 1: |
---|
161 | if len(data_list) == 1: |
---|
162 | data = data_list[0] |
---|
163 | else: |
---|
164 | data_1d_list = [] |
---|
165 | data_2d_list = [] |
---|
166 | error_msg = "" |
---|
167 | # separate data into data1d and data2d list |
---|
168 | for data in data_list: |
---|
169 | if data is not None: |
---|
170 | if issubclass(data.__class__, Data1D): |
---|
171 | data_1d_list.append(data) |
---|
172 | else: |
---|
173 | error_msg += " %s type %s \n" % (str(data.name), |
---|
174 | str(data.__class__.__name__)) |
---|
175 | data_2d_list.append(data) |
---|
176 | if len(data_2d_list) > 0: |
---|
177 | msg = "Invariant does not support the following data types:\n" |
---|
178 | msg += error_msg |
---|
179 | if len(data_1d_list) == 0: |
---|
180 | wx.PostEvent(self.parent, |
---|
181 | StatusEvent(status=msg, info='error')) |
---|
182 | return |
---|
183 | msg += "Invariant panel does not allow multiple data!\n" |
---|
184 | msg += "Please select one.\n" |
---|
185 | if len(data_list) > 1: |
---|
186 | from invariant_widgets import DataDialog |
---|
187 | dlg = DataDialog(data_list=data_1d_list, text=msg) |
---|
188 | if dlg.ShowModal() == wx.ID_OK: |
---|
189 | data = dlg.get_data() |
---|
190 | else: |
---|
191 | data = None |
---|
192 | dlg.Destroy() |
---|
193 | |
---|
194 | if data is None: |
---|
195 | msg += "invariant receives no data. \n" |
---|
196 | wx.PostEvent(self.parent, |
---|
197 | StatusEvent(status=msg, info='error')) |
---|
198 | return |
---|
199 | if not issubclass(data.__class__, Data1D): |
---|
200 | msg += "invariant cannot be computed for data of " |
---|
201 | msg += "type %s\n" % (data.__class__.__name__) |
---|
202 | wx.PostEvent(self.parent, |
---|
203 | StatusEvent(status=msg, info='error')) |
---|
204 | return |
---|
205 | else: |
---|
206 | wx.PostEvent(self.parent, NewPlotEvent(plot=data, |
---|
207 | title=data.title)) |
---|
208 | try: |
---|
209 | self.compute_helper(data) |
---|
210 | except: |
---|
211 | msg = "Invariant Set_data: " + str(sys.exc_value) |
---|
212 | wx.PostEvent(self.parent, StatusEvent(status=msg, |
---|
213 | info="error")) |
---|
214 | else: |
---|
215 | msg = "invariant cannot be computed for data of " |
---|
216 | msg += "type %s" % (data.__class__.__name__) |
---|
217 | wx.PostEvent(self.parent, |
---|
218 | StatusEvent(status=msg, info='error')) |
---|
219 | def delete_data(self, data_id): |
---|
220 | """ |
---|
221 | """ |
---|
222 | if self.__data is None: |
---|
223 | return |
---|
224 | for id in data_id: |
---|
225 | if id == self.__data.id: |
---|
226 | self.clear_panel() |
---|
227 | |
---|
228 | def clear_panel(self): |
---|
229 | """ |
---|
230 | """ |
---|
231 | self.invariant_panel.clear_panel() |
---|
232 | |
---|
233 | def compute_helper(self, data): |
---|
234 | """ |
---|
235 | """ |
---|
236 | if data is None: |
---|
237 | return |
---|
238 | # set current data if not it's a state data |
---|
239 | if not self.invariant_panel.is_state_data: |
---|
240 | # Store reference to data |
---|
241 | self.__data = data |
---|
242 | # Set the data set to be user for invariant calculation |
---|
243 | self.invariant_panel.set_data(data=data) |
---|
244 | |
---|
245 | def save_file(self, filepath, state=None): |
---|
246 | """ |
---|
247 | Save data in provided state object. |
---|
248 | |
---|
249 | :param filepath: path of file to write to |
---|
250 | :param state: invariant state |
---|
251 | """ |
---|
252 | # Write the state to file |
---|
253 | # First, check that the data is of the right type |
---|
254 | current_plottable = self.__data |
---|
255 | |
---|
256 | if issubclass(current_plottable.__class__, Data1D): |
---|
257 | self.state_reader.write(filepath, current_plottable, state) |
---|
258 | else: |
---|
259 | msg = "invariant.save_file: the data being saved is" |
---|
260 | msg += " not a sas.dataloader.data_info.Data1D object" |
---|
261 | raise RuntimeError, msg |
---|
262 | |
---|
263 | def set_state(self, state=None, datainfo=None): |
---|
264 | """ |
---|
265 | Call-back method for the state reader. |
---|
266 | This method is called when a .inv/.svs file is loaded. |
---|
267 | |
---|
268 | :param state: State object |
---|
269 | """ |
---|
270 | self.temp_state = None |
---|
271 | try: |
---|
272 | if datainfo.__class__.__name__ == 'list': |
---|
273 | data = datainfo[0] |
---|
274 | else: |
---|
275 | data = datainfo |
---|
276 | if data is None: |
---|
277 | msg = "invariant.set_state: datainfo parameter cannot" |
---|
278 | msg += " be None in standalone mode" |
---|
279 | raise RuntimeError, msg |
---|
280 | # Make sure the user sees the invariant panel after loading |
---|
281 | #self.parent.set_perspective(self.perspective) |
---|
282 | self.on_perspective(event=None) |
---|
283 | name = data.meta_data['invstate'].file |
---|
284 | data.meta_data['invstate'].file = name |
---|
285 | data.name = name |
---|
286 | data.filename = name |
---|
287 | |
---|
288 | data = self.parent.create_gui_data(data,None) |
---|
289 | self.__data = data |
---|
290 | wx.PostEvent(self.parent, NewPlotEvent(plot=self.__data, |
---|
291 | reset=True, title=self.__data.title)) |
---|
292 | data_dict = {self.__data.id:self.__data} |
---|
293 | self.parent.add_data(data_list=data_dict) |
---|
294 | # set state |
---|
295 | self.invariant_panel.is_state_data = True |
---|
296 | |
---|
297 | # Load the invariant states |
---|
298 | self.temp_state = state |
---|
299 | # Requires to have self.__data and self.temp_state first. |
---|
300 | self.on_set_state_helper(None) |
---|
301 | |
---|
302 | except: |
---|
303 | logging.error("invariant.set_state: %s" % sys.exc_value) |
---|
304 | |
---|
305 | def on_set_state_helper(self, event=None): |
---|
306 | """ |
---|
307 | Set the state when called by EVT_STATE_UPDATE event from guiframe |
---|
308 | after a .inv/.svs file is loaded |
---|
309 | """ |
---|
310 | self.invariant_panel.set_state(state=self.temp_state, |
---|
311 | data=self.__data) |
---|
312 | self.temp_state = None |
---|
313 | |
---|
314 | |
---|
315 | def plot_theory(self, data=None, name=None): |
---|
316 | """ |
---|
317 | Receive a data set and post a NewPlotEvent to parent. |
---|
318 | |
---|
319 | :param data: extrapolated data to be plotted |
---|
320 | :param name: Data's name to use for the legend |
---|
321 | """ |
---|
322 | #import copy |
---|
323 | if data is None: |
---|
324 | id = str(self.__data.id) + name |
---|
325 | group_id = self.__data.group_id |
---|
326 | wx.PostEvent(self.parent, NewPlotEvent(id=id, |
---|
327 | group_id=group_id, |
---|
328 | action='Remove')) |
---|
329 | return |
---|
330 | |
---|
331 | new_plot = Data1D(x=[], y=[], dy=None) |
---|
332 | new_plot.symbol = GUIFRAME_ID.CURVE_SYMBOL_NUM |
---|
333 | scale = self.invariant_panel.get_scale() |
---|
334 | background = self.invariant_panel.get_background() |
---|
335 | |
---|
336 | if scale != 0: |
---|
337 | # Put back the sacle and bkg for plotting |
---|
338 | data.y = (data.y + background)/scale |
---|
339 | new_plot = Data1D(x=data.x, y=data.y, dy=None) |
---|
340 | new_plot.symbol = GUIFRAME_ID.CURVE_SYMBOL_NUM |
---|
341 | else: |
---|
342 | msg = "Scale can not be zero." |
---|
343 | raise ValueError, msg |
---|
344 | if len(new_plot.x)== 0 : |
---|
345 | return |
---|
346 | |
---|
347 | new_plot.name = name |
---|
348 | new_plot.xaxis(self.__data._xaxis, self.__data._xunit) |
---|
349 | new_plot.yaxis(self.__data._yaxis, self.__data._yunit) |
---|
350 | new_plot.group_id = self.__data.group_id |
---|
351 | new_plot.id = str(self.__data.id) + name |
---|
352 | new_plot.title = self.__data.title |
---|
353 | # Save theory_data in a state |
---|
354 | if data != None: |
---|
355 | name_head = name.split('-') |
---|
356 | if name_head[0] == 'Low': |
---|
357 | self.invariant_panel.state.theory_lowQ = copy.deepcopy(new_plot) |
---|
358 | elif name_head[0] == 'High': |
---|
359 | self.invariant_panel.state.theory_highQ =copy.deepcopy(new_plot) |
---|
360 | |
---|
361 | self.parent.update_theory(data_id=self.__data.id, theory=new_plot) |
---|
362 | wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot, |
---|
363 | title=self.__data.title)) |
---|
364 | |
---|
365 | def plot_data(self, scale, background): |
---|
366 | """ |
---|
367 | replot the current data if the user enters a new scale or background |
---|
368 | """ |
---|
369 | new_plot = scale * self.__data - background |
---|
370 | new_plot.name = self.__data.name |
---|
371 | new_plot.group_id = self.__data.group_id |
---|
372 | new_plot.id = self.__data.id |
---|
373 | new_plot.title = self.__data.title |
---|
374 | |
---|
375 | # Save data in a state: but seems to never happen |
---|
376 | if new_plot != None: |
---|
377 | self.invariant_panel.state.data = copy.deepcopy(new_plot) |
---|
378 | wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot, |
---|
379 | title=new_plot.title)) |
---|
380 | |
---|