Plotter1D.py @ 1b001a7

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload

Last change on this file since 1b001a7 was f0a9a3cc, checked in by Gervaise Alina <gervyh@…>, 15 years ago
remove save as xml function
Property mode set to `100644`
File size: 19.8 KB

Rev	Line
[1bf33c1]	1	"""
	2	This software was developed by the University of Tennessee as part of the
	3	Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
	4	project funded by the US National Science Foundation.
	5
	6	See the license text in license.txt
	7
	8	copyright 2008, University of Tennessee
	9	"""
	10
	11
	12	import wx
[4ac8556]	13	import sys
	14	import os
	15	import pylab
	16	import math
	17	import numpy
	18	import time
[0d9dae8]	19
[1bf33c1]	20	import danse.common.plottools
	21	from danse.common.plottools.PlotPanel import PlotPanel
[3b69ca6]	22	from danse.common.plottools.plottables import Graph,Theory1D
	23	from sans.guiframe import dataFitting
[1bf33c1]	24	from sans.guicomm.events import EVT_NEW_PLOT
[18eba35]	25	from sans.guicomm.events import StatusEvent ,NewPlotEvent,SlicerEvent,ErrorDataEvent
[1debb29]	26	from sans.guicomm.events import RemoveDataEvent
[0d9dae8]	27	from sans.guiframe.utils import PanelMenu
[4ac8556]	28	from sans.guiframe.dataFitting import Data1D
[1bf33c1]	29
	30	from binder import BindArtist
	31
[0d9dae8]	32
	33	DEFAULT_QMAX = 0.05
[1bf33c1]	34	DEFAULT_QSTEP = 0.001
	35	DEFAULT_BEAM = 0.005
	36	BIN_WIDTH =1
	37
[0d9dae8]	38
[1bf33c1]	39	class ModelPanel1D(PlotPanel):
	40	"""
	41	Plot panel for use with the GUI manager
	42	"""
	43
	44	## Internal name for the AUI manager
	45	window_name = "plotpanel"
	46	## Title to appear on top of the window
	47	window_caption = "Plot Panel"
	48	## Flag to tell the GUI manager that this panel is not
	49	# tied to any perspective
	50	ALWAYS_ON = True
	51	## Group ID
	52	group_id = None
	53
	54	def __init__(self, parent, id = -1, color = None,\
	55	dpi = None, style = wx.NO_FULL_REPAINT_ON_RESIZE, **kwargs):
	56	"""
	57	Initialize the panel
	58	"""
	59	PlotPanel.__init__(self, parent, id = id, style = style, **kwargs)
	60
	61	## Reference to the parent window
	62	self.parent = parent
	63	## Plottables
	64	self.plots = {}
[869c368]	65	## save errors dy for each data plotted
	66	self.err_dy={}
[6c0568b]	67	## flag to determine if the hide or show context menu item should
	68	## be displayed
[31482fc]	69	self.errors_hide=False
[1bf33c1]	70	## Unique ID (from gui_manager)
	71	self.uid = None
	72	## Action IDs for internal call-backs
	73	self.action_ids = {}
[6063b16]	74	## Default locations
	75	self._default_save_location = os.getcwd()
[1bf33c1]	76	## Graph
	77	self.graph = Graph()
	78	self.graph.xaxis("\\rm{Q}", 'A^{-1}')
	79	self.graph.yaxis("\\rm{Intensity} ","cm^{-1}")
	80	self.graph.render(self)
	81
[6c0568b]	82
[1bf33c1]	83	def _reset(self):
	84	"""
	85	Resets internal data and graph
	86	"""
	87	self.graph.reset()
	88	self.plots = {}
	89	self.action_ids = {}
	90
[6c0568b]	91
[1bf33c1]	92	def _onEVT_1DREPLOT(self, event):
	93	"""
	94	Data is ready to be displayed
	95	@param event: data event
	96	"""
[ffd23b5]	97
[1bf33c1]	98	#TODO: Check for existence of plot attribute
	99	# Check whether this is a replot. If we ask for a replot
	100	# and the plottable no longer exists, ignore the event.
	101	if hasattr(event, "update") and event.update==True \
	102	and event.plot.name not in self.plots.keys():
	103	return
	104
	105	if hasattr(event, "reset"):
	106	self._reset()
	107
	108	is_new = True
	109	if event.plot.name in self.plots.keys():
	110	# Check whether the class of plottable changed
	111	if not event.plot.__class__==self.plots[event.plot.name].__class__:
[ab8f936]	112	#overwrite a plottable using the same name
[1bf33c1]	113	self.graph.delete(self.plots[event.plot.name])
	114	else:
[ab8f936]	115	# plottable is already draw on the panel
[1bf33c1]	116	is_new = False
[ffd23b5]	117
[1bf33c1]	118	if is_new:
[ab8f936]	119	# a new plottable overwrites a plotted one using the same id
	120	for plottable in self.plots.itervalues():
[a7bd562]	121	if hasattr(event.plot,"id") and hasattr(plottable, "id"):
[e48a62e]	122	if event.plot.id==plottable.id :
	123	self.graph.delete(plottable)
[ab8f936]	124
[1bf33c1]	125	self.plots[event.plot.name] = event.plot
	126	self.graph.add(self.plots[event.plot.name])
	127	else:
[ab8f936]	128	#replot the graph
[1bf33c1]	129	self.plots[event.plot.name].x = event.plot.x
	130	self.plots[event.plot.name].y = event.plot.y
	131	self.plots[event.plot.name].dy = event.plot.dy
	132	if hasattr(event.plot, 'dx') and hasattr(self.plots[event.plot.name], 'dx'):
	133	self.plots[event.plot.name].dx = event.plot.dx
[31482fc]	134
[1bf33c1]	135	#TODO: Should re-factor this
[6c0568b]	136	## for all added plot the option to hide error show be displayed first
[31482fc]	137	#self.errors_hide = 0
[6c0568b]	138	## Set axis labels
[1bf33c1]	139	self.graph.xaxis(event.plot._xaxis, event.plot._xunit)
	140	self.graph.yaxis(event.plot._yaxis, event.plot._yunit)
[6c0568b]	141	## Set the view scale for all plots
[1bf33c1]	142	self._onEVT_FUNC_PROPERTY()
[6c0568b]	143	## render the graph
[1bf33c1]	144	self.graph.render(self)
	145	self.subplot.figure.canvas.draw_idle()
[31482fc]	146	if self.errors_hide:
	147	self._on_remove_errors(evt=None)
	148	else:
	149	self._on_add_errors( evt=None)
	150	return
	151
[1bf33c1]	152	def onLeftDown(self,event):
[6c0568b]	153	"""
	154	left button down and ready to drag
	155	Display the position of the mouse on the statusbar
	156	"""
[1bf33c1]	157	PlotPanel.onLeftDown(self, event)
	158	ax = event.inaxes
	159	if ax != None:
	160	position = "x: %8.3g y: %8.3g" % (event.xdata, event.ydata)
	161	wx.PostEvent(self.parent, StatusEvent(status=position))
	162
[6c0568b]	163
[1bf33c1]	164	def _onRemove(self, event):
	165	"""
[6c0568b]	166	Remove a plottable from the graph and render the graph
	167	@param event: Menu event
[1bf33c1]	168	"""
[6c0568b]	169	## Check if there is a selected graph to remove
[1debb29]	170	if not self.graph.selected_plottable == None and\
	171	self.graph.selected_plottable in self.plots.keys():
	172	color=self.graph.plottables[self.plots[self.graph.selected_plottable]]
	173
	174	event = RemoveDataEvent(data =self.plots[self.graph.selected_plottable])
	175	wx.PostEvent(self.parent, event)
[1bf33c1]	176	self.graph.delete(self.plots[self.graph.selected_plottable])
	177	del self.plots[self.graph.selected_plottable]
[1debb29]	178	## increment graph color
	179	self.graph.color += color
[1bf33c1]	180	self.graph.render(self)
	181	self.subplot.figure.canvas.draw_idle()
[1debb29]	182
[1bf33c1]	183
	184
	185	def onContextMenu(self, event):
	186	"""
	187	1D plot context menu
	188	@param event: wx context event
	189	"""
	190	slicerpop = PanelMenu()
	191	slicerpop.set_plots(self.plots)
	192	slicerpop.set_graph(self.graph)
	193
[9a585d0]	194	# Various plot options
	195	id = wx.NewId()
	196	slicerpop.Append(id,'&Save image', 'Save image as PNG')
	197	wx.EVT_MENU(self, id, self.onSaveImage)
	198
	199	id = wx.NewId()
	200	slicerpop.Append(id,'&Print image', 'Print image ')
[18eba35]	201	wx.EVT_MENU(self, id, self.onPrint)
	202
	203	id = wx.NewId()
	204	slicerpop.Append(id,'&Print Preview', 'image preview for print')
	205	wx.EVT_MENU(self, id, self.onPrinterPreview)
[9a585d0]	206
	207	slicerpop.AppendSeparator()
	208	item_list = self.parent.get_context_menu(self.graph)
[6c0568b]	209
[9a585d0]	210	if (not item_list==None) and (not len(item_list)==0):
	211	for item in item_list:
	212	try:
	213	id = wx.NewId()
	214	slicerpop.Append(id, item[0], item[1])
	215	wx.EVT_MENU(self, id, item[2])
	216	except:
[6c0568b]	217	wx.PostEvent(self.parent, StatusEvent(status=\
	218	"ModelPanel1D.onContextMenu: bad menu item %s"%sys.exc_value))
[9a585d0]	219	pass
	220	slicerpop.AppendSeparator()
[6c0568b]	221
[1bf33c1]	222	if self.graph.selected_plottable in self.plots:
	223	plot = self.plots[self.graph.selected_plottable]
	224	id = wx.NewId()
	225	name = plot.name
[6c0568b]	226
[42d27f2]	227	slicerpop.Append(id, "&Save points" )
[1bf33c1]	228	self.action_ids[str(id)] = plot
	229	wx.EVT_MENU(self, id, self._onSave)
[31482fc]	230
[1bf33c1]	231	id = wx.NewId()
	232	slicerpop.Append(id, "Remove %s curve" % name)
	233	self.action_ids[str(id)] = plot
	234	wx.EVT_MENU(self, id, self._onRemove)
[9a585d0]	235	slicerpop.AppendSeparator()
[1bf33c1]	236	# Option to hide
	237	#TODO: implement functionality to hide a plottable (legend click)
[d468daa]	238
[1bf33c1]	239	if self.graph.selected_plottable in self.plots:
[0b16ee3]	240	selected_plot= self.plots[self.graph.selected_plottable]
	241	#if self.plots[self.graph.selected_plottable].name in self.err_dy.iterkeys()\
	242	# and self.errors_hide:
	243	if selected_plot.__class__.__name__=="Data1D":
	244	if selected_plot.dy ==None or selected_plot.dy== []:
	245	id = wx.NewId()
	246	slicerpop.Append(id, '&Show errors to data')
	247	wx.EVT_MENU(self, id, self._on_add_errors)
	248	elif numpy.all(selected_plot.dy==0):
	249	id = wx.NewId()
	250	slicerpop.Append(id, '&Show errors to data')
	251	wx.EVT_MENU(self, id, self._on_add_errors)
	252	else:
[dd66fbd]	253	id = wx.NewId()
[18eba35]	254	slicerpop.Append(id, '&Hide Error bars')
[dd66fbd]	255	wx.EVT_MENU(self, id, self._on_remove_errors)
[3cc533e]	256
	257	id = wx.NewId()
	258	slicerpop.Append(id, '&Linear fit')
	259	wx.EVT_MENU(self, id, self.onFitting)
[1bf33c1]	260
[9a585d0]	261	slicerpop.AppendSeparator()
[6c0568b]	262
[1bf33c1]	263	id = wx.NewId()
	264	slicerpop.Append(id, '&Change scale')
	265	wx.EVT_MENU(self, id, self._onProperties)
[6c0568b]	266
[1bf33c1]	267	id = wx.NewId()
	268	slicerpop.Append(id, '&Reset Graph')
[d468daa]	269	wx.EVT_MENU(self, id, self.onResetGraph)
[6d920cd]	270
[1bf33c1]	271	pos = event.GetPosition()
	272	pos = self.ScreenToClient(pos)
	273	self.PopupMenu(slicerpop, pos)
[18eba35]	274
	275
[869c368]	276	def _on_remove_errors(self, evt):
[6c0568b]	277	"""
	278	Save name and dy of data in dictionary self.err_dy
	279	Create a new data1D with the same x, y
	280	vector and dy with zeros.
	281	post self.err_dy as event (ErrorDataEvent) for any object
	282	which wants to reconstruct the initial data.
	283	@param evt: Menu event
	284	"""
[869c368]	285	if not self.graph.selected_plottable == None:
[6c0568b]	286	## store existing dy
[869c368]	287	name =self.plots[self.graph.selected_plottable].name
	288	dy = self.plots[self.graph.selected_plottable].dy
	289	self.err_dy[name]= dy
[6c0568b]	290	## Create a new dy for a new plottable
[18eba35]	291	import numpy
	292	dy= numpy.zeros(len(self.plots[self.graph.selected_plottable].y))
[0b16ee3]	293	selected_plot= self.plots[self.graph.selected_plottable]
	294
	295	if selected_plot.__class__.__name__=="Data1D":
[8068b52]	296	# Make sure that we can pass a basic Data1D
	297	dxl = None
	298	dxw = None
	299	if hasattr(selected_plot, "dxl"):
	300	dxl = selected_plot.dxl
	301	if hasattr(selected_plot, "dxw"):
	302	dxw = selected_plot.dxw
[4ac8556]	303	new_plot = Data1D( x=selected_plot.x,
[3b69ca6]	304	y= selected_plot.y,
	305	dx=selected_plot.dx,
[4ac8556]	306	dy=dy)
	307	new_plot.dxl = dxl
	308	new_plot.dxw = dxw
	309
[0b16ee3]	310	else:
[3b69ca6]	311	new_plot = Theory1D(x=selected_plot.x,y=selected_plot.y,dy=dy)
[869c368]	312	new_plot.interactive = True
[31482fc]	313	self.errors_hide = True
[869c368]	314	new_plot.name = self.plots[self.graph.selected_plottable].name
	315	if hasattr(self.plots[self.graph.selected_plottable], "group_id"):
	316	new_plot.group_id = self.plots[self.graph.selected_plottable].group_id
	317	new_plot.id = self.plots[self.graph.selected_plottable].id
	318	else:
	319	new_plot.group_id = str(time.time())
	320	new_plot.id = str(time.time())
	321	label, unit = self.plots[self.graph.selected_plottable].get_xaxis()
	322	new_plot.xaxis(label, unit)
	323	label, unit = self.plots[self.graph.selected_plottable].get_yaxis()
	324	new_plot.yaxis(label, unit)
[6c0568b]	325	## save the color of the selected plottable before it is deleted
[869c368]	326	color=self.graph.plottables[self.plots[self.graph.selected_plottable]]
[18eba35]	327	self.graph.delete(self.plots[self.graph.selected_plottable])
[6c0568b]	328	## add newly created plottable to the graph with the save color
[0b16ee3]	329	self.graph.color += color
[dd66fbd]	330	self.graph.add(new_plot,color)
[6c0568b]	331	## transforming the view of the new data into the same of the previous data
[869c368]	332	self._onEVT_FUNC_PROPERTY()
[6c0568b]	333	## save the plot
[869c368]	334	self.plots[self.graph.selected_plottable]=new_plot
[6c0568b]	335	## Render the graph
[869c368]	336	self.graph.render(self)
	337	self.subplot.figure.canvas.draw_idle()
[18eba35]	338
	339	event = ErrorDataEvent(err_dy=self.err_dy)
	340	wx.PostEvent(self.parent, event)
[1bf33c1]	341
[6c0568b]	342
[1bf33c1]	343	def _on_add_errors(self, evt):
	344	"""
[6c0568b]	345	create a new data1D witht the errors saved in self.err_dy
	346	to show errors of the plot.
[1bf33c1]	347	Compute reasonable errors for a data set without
	348	errors and transorm the plottable to a Data1D
[6c0568b]	349	@param evt: Menu event
[1bf33c1]	350	"""
[4ac8556]	351
[1bf33c1]	352
[1debb29]	353	if not self.graph.selected_plottable == None \
	354	and self.graph.selected_plottable in self.plots.keys():
[6c0568b]	355	##Reset the flag to display the hide option on the context menu
[31482fc]	356	self.errors_hide = False
[6c0568b]	357	## restore dy
[1bf33c1]	358	length = len(self.plots[self.graph.selected_plottable].x)
	359	dy = numpy.zeros(length)
[3b69ca6]	360
[869c368]	361	selected_plot= self.plots[self.graph.selected_plottable]
[0b16ee3]	362
[869c368]	363	try:
	364	dy = self.err_dy[selected_plot.name]
[0b16ee3]	365
[869c368]	366	except:
[bb5c1c7]	367	#for i in range(length):
	368	#dy[i] = math.sqrt(self.plots[self.graph.selected_plottable].y[i])
[0b16ee3]	369	if hasattr(selected_plot,"dy"):
	370	dy= selected_plot.dy
	371	else:
	372	dy = numpy.zeros(selected_plot.dy)
	373
[6c0568b]	374	## Create a new plottable data1D
[0b16ee3]	375	if selected_plot.__class__.__name__=="Data1D":
[8068b52]	376	# Make sure that we can pass a basic Data1D
	377	dxl = None
	378	dxw = None
	379	if hasattr(selected_plot, "dxl"):
	380	dxl = selected_plot.dxl
	381	if hasattr(selected_plot, "dxw"):
	382	dxw = selected_plot.dxw
[4ac8556]	383	new_plot = Data1D( x=selected_plot.x,
[3b69ca6]	384	y= selected_plot.y,
	385	dx=selected_plot.dx,
[4ac8556]	386	dy=dy)
	387	new_plot.dxl = dxl
	388	new_plot.dxw = dxw
	389
[0b16ee3]	390	else:
	391	## Create a new plottable Theory1D
[3b69ca6]	392	new_plot = Theory1D(x=selected_plot.x,y=selected_plot.y,dy=dy)
	393
[1bf33c1]	394	new_plot.interactive = True
	395	new_plot.name = self.plots[self.graph.selected_plottable].name
	396	if hasattr(self.plots[self.graph.selected_plottable], "group_id"):
	397	new_plot.group_id = self.plots[self.graph.selected_plottable].group_id
[d1dd9d4]	398	new_plot.id = self.plots[self.graph.selected_plottable].id
[1bf33c1]	399	else:
	400	new_plot.group_id = str(time.time())
[d1dd9d4]	401	new_plot.id = str(time.time())
[1bf33c1]	402
	403	label, unit = self.plots[self.graph.selected_plottable].get_xaxis()
	404	new_plot.xaxis(label, unit)
	405	label, unit = self.plots[self.graph.selected_plottable].get_yaxis()
	406	new_plot.yaxis(label, unit)
[6c0568b]	407	## save the color of the selected plottable before it is deleted
[18eba35]	408	color=self.graph.plottables[self.plots[self.graph.selected_plottable]]
	409	self.graph.delete(self.plots[self.graph.selected_plottable])
[0b16ee3]	410	self.graph.color += color
[6c0568b]	411	## add newly created plottable to the graph with the save color
[18eba35]	412	self.graph.add(new_plot, color)
[6c0568b]	413	## transforming the view of the new data into the same of the previous data
[ffd23b5]	414	self._onEVT_FUNC_PROPERTY()
[6c0568b]	415	## save the plot
[1bf33c1]	416	self.plots[self.graph.selected_plottable]=new_plot
[6c0568b]	417	## render the graph with its new content
[1bf33c1]	418	self.graph.render(self)
[8bd764d]	419	self.subplot.figure.canvas.draw_idle()
	420
[6c0568b]	421
[42d27f2]	422	def _onsaveTXT(self, path):
	423	"""
	424	Save file as txt
[1abcb04]	425
	426	TODO: Refactor and remove this method. See TODO in _onSave.
[42d27f2]	427	"""
	428	data = self.plots[self.graph.selected_plottable]
	429
	430	if not path == None:
	431	out = open(path, 'w')
	432	has_errors = True
	433	if data.dy==None or data.dy==[]:
	434	has_errors = False
	435
	436	# Sanity check
	437	if has_errors:
	438	try:
	439	if len(data.y) != len(data.dy):
	440
	441	has_errors = False
	442	except:
	443	has_errors = False
[8bd764d]	444
[42d27f2]	445	if has_errors:
	446	out.write("<X> <Y> <dY>\n")
	447	else:
	448	out.write("<X> <Y>\n")
	449
	450	for i in range(len(data.x)):
	451	if has_errors:
	452	out.write("%g %g %g\n" % (data.x[i],
	453	data.y[i],
	454	data.dy[i]))
	455	else:
	456	out.write("%g %g\n" % (data.x[i],
	457	data.y[i]))
	458
	459	out.close()
[6063b16]	460	try:
	461	self._default_save_location = os.path.dirname(path)
	462	except:
	463	pass
[8bd764d]	464
[1bf33c1]	465	def _onSave(self, evt):
	466	"""
	467	Save a data set to a text file
	468	@param evt: Menu event
	469	"""
[f0a9a3cc]	470
[1bf33c1]	471	id = str(evt.GetId())
	472	if id in self.action_ids:
	473
	474	path = None
[5fe5871c]	475	wildcard = "Text files (.txt)\|.txt\|"\
[7959f297]	476	"CanSAS 1D files(.xml)\|.xml"
[6063b16]	477	dlg = wx.FileDialog(self, "Choose a file",
	478	self._default_save_location, "",wildcard , wx.SAVE)
[42d27f2]	479
[1bf33c1]	480	if dlg.ShowModal() == wx.ID_OK:
	481	path = dlg.GetPath()
	482	mypath = os.path.basename(path)
[1abcb04]	483
	484	#TODO: This is bad design. The DataLoader is designed to recognize extensions.
	485	# It should be a simple matter of calling the .save(file, data, '.xml') method
[f0a9a3cc]	486	# of the DataLoader.loader.Loader class.
	487	from DataLoader.loader import Loader
	488	#Instantiate a loader
	489	loader = Loader()
	490	data = self.plots[self.graph.selected_plottable]
	491	format=".txt"
	492	if os.path.splitext(mypath)[1].lower() == format:
	493	self._onsaveTXT( path)
	494
	495	format= ".xml"
	496	if os.path.splitext(mypath)[1].lower() ==format:
	497	loader.save( path, data, format)
	498	try:
	499	self._default_save_location = os.path.dirname(path)
	500	except:
	501	pass
[1bf33c1]	502	dlg.Destroy()
[5fe5871c]	503
[f0a9a3cc]	504
	505
	506
[5fe5871c]	507
[6c0568b]	508
[1bf33c1]	509
[6c0568b]	510
[1bf33c1]	511

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SasView

source: sasview/guiframe/local_perspectives/plotting/Plotter1D.py @ 1b001a7

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