1 | |
---|
2 | ################################################################################ |
---|
3 | #This software was developed by the University of Tennessee as part of the |
---|
4 | #Distributed Data Analysis of Neutron Scattering Experiments (DANSE) |
---|
5 | #project funded by the US National Science Foundation. |
---|
6 | # |
---|
7 | #See the license text in license.txt |
---|
8 | # |
---|
9 | #copyright 2008, University of Tennessee |
---|
10 | ################################################################################ |
---|
11 | |
---|
12 | |
---|
13 | import wx |
---|
14 | import sys |
---|
15 | import os |
---|
16 | import pylab |
---|
17 | import math |
---|
18 | import numpy |
---|
19 | import time |
---|
20 | import danse.common.plottools |
---|
21 | from danse.common.plottools.PlotPanel import PlotPanel |
---|
22 | from danse.common.plottools.plottables import Graph |
---|
23 | from sans.guiframe import dataFitting |
---|
24 | from sans.guiframe.events import EVT_NEW_PLOT |
---|
25 | from sans.guiframe.events import StatusEvent |
---|
26 | from sans.guiframe.events import NewPlotEvent |
---|
27 | from sans.guiframe.events import SlicerEvent |
---|
28 | from sans.guiframe.events import ErrorDataEvent |
---|
29 | from sans.guiframe.events import RemoveDataEvent |
---|
30 | from sans.guiframe.events import AddManyDataEvent |
---|
31 | from sans.guiframe.utils import PanelMenu |
---|
32 | from sans.guiframe.dataFitting import Data1D |
---|
33 | from sans.guiframe.dataFitting import Theory1D |
---|
34 | from sans.guiframe.panel_base import PanelBase |
---|
35 | from binder import BindArtist |
---|
36 | |
---|
37 | DEFAULT_QMAX = 0.05 |
---|
38 | DEFAULT_QSTEP = 0.001 |
---|
39 | DEFAULT_BEAM = 0.005 |
---|
40 | BIN_WIDTH = 1 |
---|
41 | |
---|
42 | |
---|
43 | class ModelPanel1D(PlotPanel, PanelBase): |
---|
44 | """ |
---|
45 | Plot panel for use with the GUI manager |
---|
46 | """ |
---|
47 | |
---|
48 | ## Internal name for the AUI manager |
---|
49 | window_name = "plotpanel" |
---|
50 | ## Title to appear on top of the window |
---|
51 | window_caption = "Plot Panel" |
---|
52 | ## Flag to tell the GUI manager that this panel is not |
---|
53 | # tied to any perspective |
---|
54 | ALWAYS_ON = True |
---|
55 | ## Group ID |
---|
56 | group_id = None |
---|
57 | |
---|
58 | def __init__(self, parent, id=-1, color = None, |
---|
59 | dpi=None, style=wx.NO_FULL_REPAINT_ON_RESIZE, **kwargs): |
---|
60 | PlotPanel.__init__(self, parent, id=id, style=style, **kwargs) |
---|
61 | PanelBase.__init__(self) |
---|
62 | ## Reference to the parent window |
---|
63 | self.parent = parent |
---|
64 | ## Plottables |
---|
65 | self.plots = {} |
---|
66 | ## save errors dy for each data plotted |
---|
67 | self.err_dy = {} |
---|
68 | ## flag to determine if the hide or show context menu item should |
---|
69 | ## be displayed |
---|
70 | self.errors_hide = False |
---|
71 | ## Unique ID (from gui_manager) |
---|
72 | self.uid = None |
---|
73 | ## Action IDs for internal call-backs |
---|
74 | self.action_ids = {} |
---|
75 | ## Default locations |
---|
76 | self._default_save_location = os.getcwd() |
---|
77 | ## Graph |
---|
78 | self.graph = Graph() |
---|
79 | self.graph.xaxis("\\rm{Q}", 'A^{-1}') |
---|
80 | self.graph.yaxis("\\rm{Intensity} ", "cm^{-1}") |
---|
81 | self.graph.render(self) |
---|
82 | |
---|
83 | def set_data(self, list=None): |
---|
84 | """ |
---|
85 | """ |
---|
86 | pass |
---|
87 | |
---|
88 | def _reset(self): |
---|
89 | """ |
---|
90 | Resets internal data and graph |
---|
91 | """ |
---|
92 | self.graph.reset() |
---|
93 | self.plots = {} |
---|
94 | self.action_ids = {} |
---|
95 | |
---|
96 | def _onEVT_1DREPLOT(self, event): |
---|
97 | """ |
---|
98 | Data is ready to be displayed |
---|
99 | |
---|
100 | :param event: data event |
---|
101 | """ |
---|
102 | #TODO: Check for existence of plot attribute |
---|
103 | # Check whether this is a replot. If we ask for a replot |
---|
104 | # and the plottable no longer exists, ignore the event. |
---|
105 | if hasattr(event, "update") and event.update == True \ |
---|
106 | and event.plot.name not in self.plots.keys(): |
---|
107 | return |
---|
108 | if hasattr(event, "reset"): |
---|
109 | self._reset() |
---|
110 | # Check whether the plottable is empty |
---|
111 | is_empty = len(event.plot.x) == 0 |
---|
112 | |
---|
113 | is_new = True |
---|
114 | if event.plot.name in self.plots.keys(): |
---|
115 | # If the plottable is empty, just remove the plottable from the graph |
---|
116 | if is_empty: |
---|
117 | self.graph.delete(self.plots[event.plot.name]) |
---|
118 | del self.plots[event.plot.name] |
---|
119 | else: |
---|
120 | # Check whether the class of plottable changed |
---|
121 | if not event.plot.__class__ == self.plots[event.plot.name].__class__: |
---|
122 | #overwrite a plottable using the same name |
---|
123 | self.graph.delete(self.plots[event.plot.name]) |
---|
124 | else: |
---|
125 | # plottable is already draw on the panel |
---|
126 | is_new = False |
---|
127 | |
---|
128 | if not is_empty: |
---|
129 | if is_new: |
---|
130 | # a new plottable overwrites a plotted one using the same id |
---|
131 | for plottable in self.plots.itervalues(): |
---|
132 | if hasattr(event.plot, "id") and hasattr(plottable, "id"): |
---|
133 | #remove the existing plot and same id and same name |
---|
134 | if event.plot.id == plottable.id and \ |
---|
135 | event.plot.name == plottable.name: |
---|
136 | self.graph.delete(plottable) |
---|
137 | |
---|
138 | self.plots[event.plot.name] = event.plot |
---|
139 | self.graph.add(self.plots[event.plot.name]) |
---|
140 | else: |
---|
141 | #replot the graph |
---|
142 | self.plots[event.plot.name].x = event.plot.x |
---|
143 | self.plots[event.plot.name].y = event.plot.y |
---|
144 | self.plots[event.plot.name].dy = event.plot.dy |
---|
145 | if hasattr(event.plot, 'dx') and \ |
---|
146 | hasattr(self.plots[event.plot.name], 'dx'): |
---|
147 | self.plots[event.plot.name].dx = event.plot.dx |
---|
148 | |
---|
149 | #TODO: Should re-factor this |
---|
150 | ## for all added plot the option to hide error show be displayed first |
---|
151 | #self.errors_hide = 0 |
---|
152 | ## Set axis labels |
---|
153 | self.graph.xaxis(event.plot._xaxis, event.plot._xunit) |
---|
154 | self.graph.yaxis(event.plot._yaxis, event.plot._yunit) |
---|
155 | ## Set the view scale for all plots |
---|
156 | self._onEVT_FUNC_PROPERTY() |
---|
157 | ## render the graph |
---|
158 | self.graph.render(self) |
---|
159 | self.subplot.figure.canvas.draw_idle() |
---|
160 | #if self.errors_hide: |
---|
161 | # self._on_remove_errors(evt=None) |
---|
162 | #else: |
---|
163 | # self._on_add_errors( evt=None) |
---|
164 | |
---|
165 | def onLeftDown(self,event): |
---|
166 | """ |
---|
167 | left button down and ready to drag |
---|
168 | Display the position of the mouse on the statusbar |
---|
169 | """ |
---|
170 | PlotPanel.onLeftDown(self, event) |
---|
171 | ax = event.inaxes |
---|
172 | if ax != None: |
---|
173 | position = "x: %8.3g y: %8.3g" % (event.xdata, event.ydata) |
---|
174 | wx.PostEvent(self.parent, StatusEvent(status=position)) |
---|
175 | |
---|
176 | #post nd event to notify guiframe that this panel is on focus |
---|
177 | wx.PostEvent(self.parent, AddManyDataEvent(panel=self)) |
---|
178 | |
---|
179 | def _onRemove(self, event): |
---|
180 | """ |
---|
181 | Remove a plottable from the graph and render the graph |
---|
182 | |
---|
183 | :param event: Menu event |
---|
184 | |
---|
185 | """ |
---|
186 | selected_plot = self.plots[self.graph.selected_plottable] |
---|
187 | ## Check if there is a selected graph to remove |
---|
188 | if not self.graph.selected_plottable == None and\ |
---|
189 | self.graph.selected_plottable in self.plots.keys(): |
---|
190 | color = self.graph.plottables[selected_plot] |
---|
191 | event = RemoveDataEvent(data=selected_plot) |
---|
192 | wx.PostEvent(self.parent, event) |
---|
193 | self.graph.delete(selected_plot) |
---|
194 | del selected_plot |
---|
195 | ## increment graph color |
---|
196 | self.graph.color += color |
---|
197 | self.graph.render(self) |
---|
198 | self.subplot.figure.canvas.draw_idle() |
---|
199 | |
---|
200 | def onContextMenu(self, event): |
---|
201 | """ |
---|
202 | 1D plot context menu |
---|
203 | |
---|
204 | :param event: wx context event |
---|
205 | |
---|
206 | """ |
---|
207 | slicerpop = PanelMenu() |
---|
208 | slicerpop.set_plots(self.plots) |
---|
209 | slicerpop.set_graph(self.graph) |
---|
210 | # Various plot options |
---|
211 | id = wx.NewId() |
---|
212 | slicerpop.Append(id, '&Save image', 'Save image as PNG') |
---|
213 | wx.EVT_MENU(self, id, self.onSaveImage) |
---|
214 | id = wx.NewId() |
---|
215 | slicerpop.Append(id, '&Print image', 'Print image ') |
---|
216 | wx.EVT_MENU(self, id, self.onPrint) |
---|
217 | id = wx.NewId() |
---|
218 | slicerpop.Append(id, '&Print Preview', 'image preview for print') |
---|
219 | wx.EVT_MENU(self, id, self.onPrinterPreview) |
---|
220 | slicerpop.AppendSeparator() |
---|
221 | item_list = self.parent.get_context_menu(self.graph) |
---|
222 | if (not item_list == None) and (not len(item_list) == 0): |
---|
223 | for item in item_list: |
---|
224 | try: |
---|
225 | id = wx.NewId() |
---|
226 | slicerpop.Append(id, item[0], item[1]) |
---|
227 | wx.EVT_MENU(self, id, item[2]) |
---|
228 | except: |
---|
229 | msg = "ModelPanel1D.onContextMenu: " |
---|
230 | msg += "bad menu item %s"%sys.exc_value |
---|
231 | wx.PostEvent(self.parent, StatusEvent(status=msg)) |
---|
232 | pass |
---|
233 | slicerpop.AppendSeparator() |
---|
234 | |
---|
235 | if self.graph.selected_plottable in self.plots: |
---|
236 | plot = self.plots[self.graph.selected_plottable] |
---|
237 | id = wx.NewId() |
---|
238 | name = plot.name |
---|
239 | slicerpop.Append(id, "&Save points" ) |
---|
240 | self.action_ids[str(id)] = plot |
---|
241 | wx.EVT_MENU(self, id, self._onSave) |
---|
242 | id = wx.NewId() |
---|
243 | slicerpop.Append(id, "Remove %s curve" % name) |
---|
244 | self.action_ids[str(id)] = plot |
---|
245 | wx.EVT_MENU(self, id, self._onRemove) |
---|
246 | slicerpop.AppendSeparator() |
---|
247 | # Option to hide |
---|
248 | #TODO: implement functionality to hide a plottable (legend click) |
---|
249 | if self.graph.selected_plottable in self.plots: |
---|
250 | selected_plot = self.plots[self.graph.selected_plottable] |
---|
251 | id = wx.NewId() |
---|
252 | slicerpop.Append(id, '&Linear fit') |
---|
253 | wx.EVT_MENU(self, id, self.onFitting) |
---|
254 | slicerpop.AppendSeparator() |
---|
255 | id = wx.NewId() |
---|
256 | slicerpop.Append(id, '&Change scale') |
---|
257 | wx.EVT_MENU(self, id, self._onProperties) |
---|
258 | id = wx.NewId() |
---|
259 | slicerpop.Append(id, '&Reset Graph') |
---|
260 | wx.EVT_MENU(self, id, self.onResetGraph) |
---|
261 | pos = event.GetPosition() |
---|
262 | pos = self.ScreenToClient(pos) |
---|
263 | self.PopupMenu(slicerpop, pos) |
---|
264 | |
---|
265 | def _on_remove_errors(self, evt): |
---|
266 | """ |
---|
267 | Save name and dy of data in dictionary self.err_dy |
---|
268 | Create a new data1D with the same x, y |
---|
269 | vector and dy with zeros. |
---|
270 | post self.err_dy as event (ErrorDataEvent) for any object |
---|
271 | which wants to reconstruct the initial data. |
---|
272 | |
---|
273 | :param evt: Menu event |
---|
274 | |
---|
275 | """ |
---|
276 | if not self.graph.selected_plottable == None: |
---|
277 | ## store existing dy |
---|
278 | name =self.plots[self.graph.selected_plottable].name |
---|
279 | dy = self.plots[self.graph.selected_plottable].dy |
---|
280 | self.err_dy[name] = dy |
---|
281 | ## Create a new dy for a new plottable |
---|
282 | #import numpy |
---|
283 | dy = numpy.zeros(len(self.plots[self.graph.selected_plottable].y)) |
---|
284 | selected_plot = self.plots[self.graph.selected_plottable] |
---|
285 | |
---|
286 | if selected_plot.__class__.__name__ == "Data1D": |
---|
287 | # Make sure that we can pass a basic Data1D |
---|
288 | dxl = None |
---|
289 | dxw = None |
---|
290 | if hasattr(selected_plot, "dxl"): |
---|
291 | dxl = selected_plot.dxl |
---|
292 | if hasattr(selected_plot, "dxw"): |
---|
293 | dxw = selected_plot.dxw |
---|
294 | new_plot = Data1D(x=selected_plot.x, y=selected_plot.y, |
---|
295 | dx=selected_plot.dx, dy=dy) |
---|
296 | new_plot.dxl = dxl |
---|
297 | new_plot.dxw = dxw |
---|
298 | else: |
---|
299 | new_plot = Theory1D(x=selected_plot.x, |
---|
300 | y=selected_plot.y, dy=dy) |
---|
301 | new_plot.interactive = True |
---|
302 | self.errors_hide = True |
---|
303 | new_plot.name = self.plots[self.graph.selected_plottable].name |
---|
304 | if hasattr(self.plots[self.graph.selected_plottable], "group_id"): |
---|
305 | new_plot.group_id = self.plots[self.graph.selected_plottable].group_id |
---|
306 | if hasattr(self.plots[self.graph.selected_plottable], "id"): |
---|
307 | new_plot.id = self.plots[self.graph.selected_plottable].id |
---|
308 | else: |
---|
309 | new_plot.id = str(time.time()) |
---|
310 | else: |
---|
311 | new_plot.group_id = str(time.time()) |
---|
312 | new_plot.id = str(time.time()) |
---|
313 | label, unit = self.plots[self.graph.selected_plottable].get_xaxis() |
---|
314 | new_plot.xaxis(label, unit) |
---|
315 | label, unit = self.plots[self.graph.selected_plottable].get_yaxis() |
---|
316 | new_plot.yaxis(label, unit) |
---|
317 | ## save the color of the selected plottable before it is deleted |
---|
318 | color = self.graph.plottables[self.plots[self.graph.selected_plottable]] |
---|
319 | self.graph.delete(self.plots[self.graph.selected_plottable]) |
---|
320 | ## add newly created plottable to the graph with the save color |
---|
321 | self.graph.color += color |
---|
322 | self.graph.add(new_plot, color) |
---|
323 | ## transforming the view of the new data into the same of |
---|
324 | #the previous data |
---|
325 | self._onEVT_FUNC_PROPERTY() |
---|
326 | ## save the plot |
---|
327 | self.plots[self.graph.selected_plottable] = new_plot |
---|
328 | ## Render the graph |
---|
329 | self.graph.render(self) |
---|
330 | self.subplot.figure.canvas.draw_idle() |
---|
331 | event = ErrorDataEvent(err_dy=self.err_dy) |
---|
332 | wx.PostEvent(self.parent, event) |
---|
333 | |
---|
334 | def _on_add_errors(self, evt): |
---|
335 | """ |
---|
336 | create a new data1D witht the errors saved in self.err_dy |
---|
337 | to show errors of the plot. |
---|
338 | Compute reasonable errors for a data set without |
---|
339 | errors and transorm the plottable to a Data1D |
---|
340 | |
---|
341 | :param evt: Menu event |
---|
342 | |
---|
343 | """ |
---|
344 | if not self.graph.selected_plottable == None \ |
---|
345 | and self.graph.selected_plottable in self.plots.keys(): |
---|
346 | ##Reset the flag to display the hide option on the context menu |
---|
347 | self.errors_hide = False |
---|
348 | ## restore dy |
---|
349 | length = len(self.plots[self.graph.selected_plottable].x) |
---|
350 | dy = numpy.zeros(length) |
---|
351 | selected_plot = self.plots[self.graph.selected_plottable] |
---|
352 | try: |
---|
353 | dy = self.err_dy[selected_plot.name] |
---|
354 | except: |
---|
355 | if hasattr(selected_plot, "dy"): |
---|
356 | dy = selected_plot.dy |
---|
357 | else: |
---|
358 | dy = numpy.zeros(selected_plot.dy) |
---|
359 | ## Create a new plottable data1D |
---|
360 | if selected_plot.__class__.__name__ == "Data1D": |
---|
361 | # Make sure that we can pass a basic Data1D |
---|
362 | dxl = None |
---|
363 | dxw = None |
---|
364 | if hasattr(selected_plot, "dxl"): |
---|
365 | dxl = selected_plot.dxl |
---|
366 | if hasattr(selected_plot, "dxw"): |
---|
367 | dxw = selected_plot.dxw |
---|
368 | new_plot = Data1D(x=selected_plot.x, |
---|
369 | y=selected_plot.y, |
---|
370 | dx=selected_plot.dx, |
---|
371 | dy=dy) |
---|
372 | new_plot.dxl = dxl |
---|
373 | new_plot.dxw = dxw |
---|
374 | else: |
---|
375 | ## Create a new plottable Theory1D |
---|
376 | new_plot = Theory1D(x=selected_plot.x, y=selected_plot.y, dy=dy) |
---|
377 | new_plot.interactive = True |
---|
378 | new_plot.name = self.plots[self.graph.selected_plottable].name |
---|
379 | if hasattr(self.plots[self.graph.selected_plottable], "group_id"): |
---|
380 | new_plot.group_id = self.plots[self.graph.selected_plottable].group_id |
---|
381 | if hasattr(self.plots[self.graph.selected_plottable],"id"): |
---|
382 | new_plot.id = self.plots[self.graph.selected_plottable].id |
---|
383 | else: |
---|
384 | new_plot.id = str(time.time()) |
---|
385 | else: |
---|
386 | new_plot.group_id = str(time.time()) |
---|
387 | new_plot.id = str(time.time()) |
---|
388 | |
---|
389 | label, unit = self.plots[self.graph.selected_plottable].get_xaxis() |
---|
390 | new_plot.xaxis(label, unit) |
---|
391 | label, unit = self.plots[self.graph.selected_plottable].get_yaxis() |
---|
392 | new_plot.yaxis(label, unit) |
---|
393 | ## save the color of the selected plottable before it is deleted |
---|
394 | color=self.graph.plottables[self.plots[self.graph.selected_plottable]] |
---|
395 | self.graph.delete(self.plots[self.graph.selected_plottable]) |
---|
396 | self.graph.color += color |
---|
397 | ## add newly created plottable to the graph with the save color |
---|
398 | self.graph.add(new_plot, color) |
---|
399 | ## transforming the view of the new data into the same of |
---|
400 | # the previous data |
---|
401 | self._onEVT_FUNC_PROPERTY() |
---|
402 | ## save the plot |
---|
403 | self.plots[self.graph.selected_plottable]=new_plot |
---|
404 | ## render the graph with its new content |
---|
405 | self.graph.render(self) |
---|
406 | self.subplot.figure.canvas.draw_idle() |
---|
407 | |
---|
408 | |
---|
409 | def _onsaveTXT(self, path): |
---|
410 | """ |
---|
411 | Save file as txt |
---|
412 | |
---|
413 | :TODO: Refactor and remove this method. See TODO in _onSave. |
---|
414 | |
---|
415 | """ |
---|
416 | data = self.plots[self.graph.selected_plottable] |
---|
417 | |
---|
418 | if not path == None: |
---|
419 | out = open(path, 'w') |
---|
420 | has_errors = True |
---|
421 | if data.dy == None or data.dy == []: |
---|
422 | has_errors = False |
---|
423 | # Sanity check |
---|
424 | if has_errors: |
---|
425 | try: |
---|
426 | if len(data.y) != len(data.dy): |
---|
427 | has_errors = False |
---|
428 | except: |
---|
429 | has_errors = False |
---|
430 | if has_errors: |
---|
431 | out.write("<X> <Y> <dY>\n") |
---|
432 | else: |
---|
433 | out.write("<X> <Y>\n") |
---|
434 | |
---|
435 | for i in range(len(data.x)): |
---|
436 | if has_errors: |
---|
437 | out.write("%g %g %g\n" % (data.x[i], |
---|
438 | data.y[i], |
---|
439 | data.dy[i])) |
---|
440 | else: |
---|
441 | out.write("%g %g\n" % (data.x[i], |
---|
442 | data.y[i])) |
---|
443 | out.close() |
---|
444 | try: |
---|
445 | self._default_save_location = os.path.dirname(path) |
---|
446 | except: |
---|
447 | pass |
---|
448 | |
---|
449 | def _onSave(self, evt): |
---|
450 | """ |
---|
451 | Save a data set to a text file |
---|
452 | |
---|
453 | :param evt: Menu event |
---|
454 | |
---|
455 | """ |
---|
456 | id = str(evt.GetId()) |
---|
457 | if id in self.action_ids: |
---|
458 | |
---|
459 | path = None |
---|
460 | wildcard = "Text files (*.txt)|*.txt|"\ |
---|
461 | "CanSAS 1D files(*.xml)|*.xml" |
---|
462 | dlg = wx.FileDialog(self, "Choose a file", |
---|
463 | self._default_save_location, |
---|
464 | "", wildcard , wx.SAVE) |
---|
465 | |
---|
466 | if dlg.ShowModal() == wx.ID_OK: |
---|
467 | path = dlg.GetPath() |
---|
468 | mypath = os.path.basename(path) |
---|
469 | |
---|
470 | #TODO: This is bad design. The DataLoader is designed |
---|
471 | #to recognize extensions. |
---|
472 | # It should be a simple matter of calling the . |
---|
473 | #save(file, data, '.xml') method |
---|
474 | # of the DataLoader.loader.Loader class. |
---|
475 | from DataLoader.loader import Loader |
---|
476 | #Instantiate a loader |
---|
477 | loader = Loader() |
---|
478 | data = self.plots[self.graph.selected_plottable] |
---|
479 | format = ".txt" |
---|
480 | if os.path.splitext(mypath)[1].lower() == format: |
---|
481 | self._onsaveTXT( path) |
---|
482 | format = ".xml" |
---|
483 | if os.path.splitext(mypath)[1].lower() == format: |
---|
484 | loader.save(path, data, format) |
---|
485 | try: |
---|
486 | self._default_save_location = os.path.dirname(path) |
---|
487 | except: |
---|
488 | pass |
---|
489 | dlg.Destroy() |
---|