def __init__(self, parent=None, id=-1, xlabel=AxisInfos("Delay",du["time"]), ylabel=AxisInfos("Distance",du["length"]), xscale="linear", yscale="linear"):
"""
Initialization.
Parameters:
parent - parent window (wx.Window)
id - id (int)
xlabel - label and units of abscissa axis (terapy.axedit.AxisInfos)
ylabel - label and units of ordinate axis (terapy.axedit.AxisInfos)
xscale - abscissa scale type (linear or log)
yscale - ordinate scale type (linear or log)
"""
PlotPanel.__init__(self,parent,id)
PlotCanvas.__init__(self,parent,id)
fig = self.get_figure()
self.axes = fig.gca()
self.axes.grid(True)
self.axes.set_autoscale_on(True)
self.axes.set_xscale(xscale)
self.axes.set_yscale(yscale)
# must make a copy of labels, otherwise same instance is used for every plot
xlabel = xlabel.copy()
ylabel = ylabel.copy()
# re-format axis units into current default units
xlabel.units = FormatUnits(xlabel.units)
ylabel.units = FormatUnits(ylabel.units)
for x in [xlabel,ylabel]: x.units._magnitude = 1.0
self.labels = [xlabel, ylabel]
self.SetLabels()
self.dim = 2
self.set_zoom(False)
self.set_location(False)
self.set_selection(False)
# generate colormap
cdict = {'red': ((0.0, 0.0, 0.0),(0.5, 1.0, 1.0),(1.0, 1.0, 0.0)),
'green': ((0.0, 0.0, 0.0),(0.5, 1.0, 1.0),(1.0, 0.0, 0.0)),
'blue': ((0.0, 0.0, 1.0),(0.5, 1.0, 1.0),(1.0, 0.0, 0.0))}
self._2d_cmap = LinearSegmentedColormap('my_colormap',cdict,256)
cdict = {'red': ((0.0, 0.0, 1.0),(1.0, 1.0, 0.0)),
'green': ((0.0, 0.0, 1.0),(1.0, 0.0, 0.0)),
'blue': ((0.0, 0.0, 1.0),(1.0, 0.0, 0.0))}
self._2d_cmap_pos = LinearSegmentedColormap('my_colormap_pos',cdict,256)
cdict = {'red': ((0.0, 0.0, 0.0),(1.0, 1.0, 0.0)),
'green': ((0.0, 0.0, 0.0),(1.0, 1.0, 0.0)),
'blue': ((0.0, 0.0, 1.0),(1.0, 1.0, 0.0))}
self._2d_cmap_neg = LinearSegmentedColormap('my_colormap_neg',cdict,256)
# send color change event to notify history from change
pub.sendMessage("plot.color_change")
self.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDblClick, self)
def __init__(self, parent=None, id=-1, xlabel=AxisInfos("Delay",du["time"]), ylabel=AxisInfos("Signal",du["voltage"]), xscale="linear", yscale="linear"):
"""
Initialization.
Parameters:
parent - parent window (wx.Window)
id - id (int)
xlabel - label and units of abscissa axis (terapy.axedit.AxisInfos)
ylabel - label and units of ordinate axis (terapy.axedit.AxisInfos)
xscale - abscissa scale type (linear or log)
yscale - ordinate scale type (linear or log)
"""
PlotPanel.__init__(self,parent,id)
PlotCanvas.__init__(self,parent,id)
fig = self.get_figure()
self.axes = fig.gca()
self.axes.grid(True)
self.axes.set_autoscale_on(True)
self.axes.set_xscale(xscale)
self.axes.set_yscale(yscale)
# must make a copy of labels, otherwise same instance is used for every plot
xlabel = xlabel.copy()
ylabel = ylabel.copy()
# re-format axis units into current default units
xlabel.units = FormatUnits(xlabel.units)
ylabel.units = FormatUnits(ylabel.units)
for x in [xlabel,ylabel]: x.units._magnitude = 1.0
self.labels = [xlabel, ylabel]
self.SetLabels()
self.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDblClick, self)
self.Bind(wx.EVT_RIGHT_DOWN, self.OnRightClick, self)
def __init__(self, parent = None, dim = 1):
"""
Initialization.
Parameters:
parent - parent window (wx.Window)
dim - dimension (int)
"""
wx.Panel.__init__(self, parent)
from terapy.core import left_width
self.bank = None
self.dim = dim
# filter list
self.list = FilterList(self, -1, style=wx.LC_REPORT|wx.LC_NO_HEADER)
self.list.SetMinSize((left_width,-1))
self.list.InsertColumn(0,"Name")
self.img_list = wx.ImageList(16,16)
from terapy.core.tooltip import ToolTip
ToolTip("Double click -> Change properties\nRight click -> Menu\nShift+Left -> Enable/disable","Usage",self.list)
modules = GetModules(self.dim)
for x in modules:
self.img_list.Add(x().get_icon())
self.list.SetImageList(self.img_list,wx.IMAGE_LIST_SMALL)
# window preview
self.label_plot = wx.StaticText(self, -1, "Apodization window")
self.plot_filter = PlotPanel(self, -1)
self.plot_filter.SetMinSize((max([left_width-50,0]),100))
# further controls
self.sizer = wx.BoxSizer(wx.VERTICAL)
self.sizer.Add(self.list, 1, wx.EXPAND|wx.ALL, 2)
hbox = wx.BoxSizer(wx.HORIZONTAL)
self.button_up = wx.BitmapButton(self, -1, wx.Image(icon_path + "go-up.png").ConvertToBitmap())
self.button_down = wx.BitmapButton(self, -1, wx.Image(icon_path + "go-down.png").ConvertToBitmap())
self.button_add = wx.BitmapButton(self, -1, wx.Image(icon_path + "list-add.png").ConvertToBitmap())
self.button_remove = wx.BitmapButton(self, -1, wx.Image(icon_path + "list-remove.png").ConvertToBitmap())
hbox.Add(self.button_up, 0, wx.EXPAND|wx.ALL, 2)
hbox.Add(self.button_down, 0, wx.EXPAND|wx.ALL, 2)
hbox.Add(self.button_add, 0, wx.EXPAND|wx.ALL, 2)
hbox.Add(self.button_remove, 0, wx.EXPAND|wx.ALL, 2)
self.sizer.Add(hbox, 0, wx.EXPAND|wx.LEFT|wx.RIGHT, 2)
self.sizer.Add(self.label_plot, 0, wx.EXPAND|wx.TOP, 2)
self.sizer.Add(self.plot_filter, 0, wx.EXPAND|wx.TOP, 2)
# bindings
self.Bind(wx.EVT_LIST_ITEM_RIGHT_CLICK, self.OnFilterListRightClick, self.list)
self.Bind(wx.EVT_LIST_ITEM_ACTIVATED, self.OnFilterDoubleClick, self.list)
self.list.Bind(wx.EVT_LIST_BEGIN_DRAG, self.OnStartDrag, self.list)
self.list.Bind(wx.EVT_RIGHT_DOWN, self.OnFilterListRightClick)
self.list.Bind(wx.EVT_LEFT_DOWN, self.OnFilterLeftClick)
self.Bind(wx.EVT_BUTTON, lambda x:self.OnMove(-1), self.button_up)
self.Bind(wx.EVT_BUTTON, lambda x:self.OnMove(+1), self.button_down)
self.Bind(wx.EVT_BUTTON, self.OnFilterListRightClick, self.button_add)
self.Bind(wx.EVT_BUTTON, self.OnRemoveFilter, self.button_remove)
# pubsub bindings
pub.subscribe(self.SetReference, "history.set_reference")
pub.subscribe(self.SetFilterBank, "plot.set_filters")
pub.subscribe(self.EnableControl, "plot.enable_filters")
pub.subscribe(self.OnFilterUpdate, "plot.apply_filters")
pub.subscribe(self.UpdateFilterDisplay, "plot.switch_canvas")
pub.subscribe(self.RefreshFilters, "filter.change")
pub.subscribe(self.OnSaveDefaultFilters, "filter.save_default")
# drag and drop enable
self.list.SetDropTarget(FilterDrop(self.OnEndDrag))
# filter preview
figFi = self.plot_filter.get_figure()
axeFi = figFi.gca()
axeFi.get_xaxis().set_visible(False)
axeFi.get_yaxis().set_visible(False)
self.plot_filter.set_zoom(False)
self.plot_filter.set_selection(False)
self.plot_filter.set_location(False)
self.plot_filter.set_cursor(False)
self.plot_filter.set_crosshairs(False)
self.line_filter = Line2D([-1.5,-1,-1,1,1,1.5],[0,0,1,1,0,0])
axeFi.add_line(self.line_filter)
axeFi.add_line(Line2D([-1,-1],[-1,2],ls='--',color='k'))
axeFi.add_line(Line2D([1,1],[-1,2],ls='--',color='k'))
self.line_filter.set_visible(True)
axeFi.set_xlim(-1.5,1.5)
axeFi.set_ylim(-0.5,1.5)
self.plot_filter.draw()
# display fitting stuff
self.SetAutoLayout(True)
self.SetSizer(self.sizer)
self.sizer.Fit(self)
self.sizer.SetSizeHints(self)
class FilterControl(wx.Panel):
"""
Filter bank control widget
"""
def __init__(self, parent = None, dim = 1):
"""
Initialization.
Parameters:
parent - parent window (wx.Window)
dim - dimension (int)
"""
wx.Panel.__init__(self, parent)
from terapy.core import left_width
self.bank = None
self.dim = dim
# filter list
self.list = FilterList(self, -1, style=wx.LC_REPORT|wx.LC_NO_HEADER)
self.list.SetMinSize((left_width,-1))
self.list.InsertColumn(0,"Name")
self.img_list = wx.ImageList(16,16)
from terapy.core.tooltip import ToolTip
ToolTip("Double click -> Change properties\nRight click -> Menu\nShift+Left -> Enable/disable","Usage",self.list)
modules = GetModules(self.dim)
for x in modules:
self.img_list.Add(x().get_icon())
self.list.SetImageList(self.img_list,wx.IMAGE_LIST_SMALL)
# window preview
self.label_plot = wx.StaticText(self, -1, "Apodization window")
self.plot_filter = PlotPanel(self, -1)
self.plot_filter.SetMinSize((max([left_width-50,0]),100))
# further controls
self.sizer = wx.BoxSizer(wx.VERTICAL)
self.sizer.Add(self.list, 1, wx.EXPAND|wx.ALL, 2)
hbox = wx.BoxSizer(wx.HORIZONTAL)
self.button_up = wx.BitmapButton(self, -1, wx.Image(icon_path + "go-up.png").ConvertToBitmap())
self.button_down = wx.BitmapButton(self, -1, wx.Image(icon_path + "go-down.png").ConvertToBitmap())
self.button_add = wx.BitmapButton(self, -1, wx.Image(icon_path + "list-add.png").ConvertToBitmap())
self.button_remove = wx.BitmapButton(self, -1, wx.Image(icon_path + "list-remove.png").ConvertToBitmap())
hbox.Add(self.button_up, 0, wx.EXPAND|wx.ALL, 2)
hbox.Add(self.button_down, 0, wx.EXPAND|wx.ALL, 2)
hbox.Add(self.button_add, 0, wx.EXPAND|wx.ALL, 2)
hbox.Add(self.button_remove, 0, wx.EXPAND|wx.ALL, 2)
self.sizer.Add(hbox, 0, wx.EXPAND|wx.LEFT|wx.RIGHT, 2)
self.sizer.Add(self.label_plot, 0, wx.EXPAND|wx.TOP, 2)
self.sizer.Add(self.plot_filter, 0, wx.EXPAND|wx.TOP, 2)
# bindings
self.Bind(wx.EVT_LIST_ITEM_RIGHT_CLICK, self.OnFilterListRightClick, self.list)
self.Bind(wx.EVT_LIST_ITEM_ACTIVATED, self.OnFilterDoubleClick, self.list)
self.list.Bind(wx.EVT_LIST_BEGIN_DRAG, self.OnStartDrag, self.list)
self.list.Bind(wx.EVT_RIGHT_DOWN, self.OnFilterListRightClick)
self.list.Bind(wx.EVT_LEFT_DOWN, self.OnFilterLeftClick)
self.Bind(wx.EVT_BUTTON, lambda x:self.OnMove(-1), self.button_up)
self.Bind(wx.EVT_BUTTON, lambda x:self.OnMove(+1), self.button_down)
self.Bind(wx.EVT_BUTTON, self.OnFilterListRightClick, self.button_add)
self.Bind(wx.EVT_BUTTON, self.OnRemoveFilter, self.button_remove)
# pubsub bindings
pub.subscribe(self.SetReference, "history.set_reference")
pub.subscribe(self.SetFilterBank, "plot.set_filters")
pub.subscribe(self.EnableControl, "plot.enable_filters")
pub.subscribe(self.OnFilterUpdate, "plot.apply_filters")
pub.subscribe(self.UpdateFilterDisplay, "plot.switch_canvas")
pub.subscribe(self.RefreshFilters, "filter.change")
pub.subscribe(self.OnSaveDefaultFilters, "filter.save_default")
# drag and drop enable
self.list.SetDropTarget(FilterDrop(self.OnEndDrag))
# filter preview
figFi = self.plot_filter.get_figure()
axeFi = figFi.gca()
axeFi.get_xaxis().set_visible(False)
axeFi.get_yaxis().set_visible(False)
self.plot_filter.set_zoom(False)
self.plot_filter.set_selection(False)
self.plot_filter.set_location(False)
self.plot_filter.set_cursor(False)
self.plot_filter.set_crosshairs(False)
self.line_filter = Line2D([-1.5,-1,-1,1,1,1.5],[0,0,1,1,0,0])
axeFi.add_line(self.line_filter)
axeFi.add_line(Line2D([-1,-1],[-1,2],ls='--',color='k'))
axeFi.add_line(Line2D([1,1],[-1,2],ls='--',color='k'))
self.line_filter.set_visible(True)
axeFi.set_xlim(-1.5,1.5)
axeFi.set_ylim(-0.5,1.5)
self.plot_filter.draw()
# display fitting stuff
self.SetAutoLayout(True)
self.SetSizer(self.sizer)
self.sizer.Fit(self)
self.sizer.SetSizeHints(self)
def RefreshFilters(self, inst=None):
"""
Refresh displayed filter list.
Parameters:
inst - pubsub event data (FilterBank)
"""
if inst!=None:
if inst!=self.bank: return
# store currently selected items
sels = []
itm = self.list.GetFirstSelected()
while itm>-1:
sels.append(itm)
itm = self.list.GetNextSelected(itm)
# rebuild filter list
modules = GetModules(self.dim)
self.list.DeleteAllItems()
if not(isinstance(self.bank,FilterBank)): return
for ft in self.bank.filters:
if modules.count(ft.__class__)>0:
n = modules.index(ft.__class__)
self.list.InsertImageStringItem(self.list.GetItemCount(),ft.name,n)
f = self.list.GetItemFont(self.list.GetItemCount()-1)
f.SetPointSize(10)
if ft.is_active:
f.SetStyle(wx.FONTSTYLE_NORMAL)
else:
f.SetStyle(wx.FONTSTYLE_ITALIC)
self.list.SetItemFont(self.list.GetItemCount()-1,f)
# select previously selected items
for x in sels:
self.list.Select(x, True)
def SetFilterBank(self, inst):
"""
Set filter bank through pubsub.
Parameters:
inst - pubsub event data (FilterBank)
"""
self.bank = inst
self.RefreshFilters()
def EnableControl(self, inst):
"""
Set control to given state (through pubsub)
Parameters:
inst - pubsub event data (bool)
"""
self.Enable(inst)
def LoadFilterList(self, event=None, fname=""):
"""
Load filter bank from given file or open dialog box.
Set result to displayed filter bank.
Parameters:
event - wx.Event
fname - file name (str, open dialog box if empty)
"""
if fname=="":
dlg = wx.FileDialog(self, "Choose input file", os.getcwd(),"", "Configuration file (*.ini)|*.ini|All files (*.*)|*.*", wx.OPEN)
if dlg.ShowModal() != wx.ID_OK:
dlg.Destroy()
return
fname = dlg.GetPath()
dlg.Destroy()
self.bank.LoadFilterList(fname)
self.RefreshFilters()
self.OnFilterUpdate()
def SaveFilterList(self, event=None, fname=""):
"""
Save current filter list to given file.
Parameters:
event - wx.Event
fname - file name (str)
"""
dlg = wx.TextEntryDialog(self,message="Filter bank name",defaultValue=self.bank.name)
if dlg.ShowModal()!=wx.ID_OK:
dlg.Destroy()
return
self.bank.name = dlg.GetValue()
dlg.Destroy()
if fname=="":
dlg = wx.FileDialog(self, "Choose output file", os.getcwd(),"", "Configuration file (*.ini)|*.ini|All files (*.*)|*.*", wx.SAVE)
if dlg.ShowModal() != wx.ID_OK:
dlg.Destroy()
return
fname = dlg.GetPath()
dlg.Destroy()
self.bank.SaveFilterList(fname)
def OnSaveDefaultFilters(self, inst=None):
"""
Save current list of filters as default.
Parameters:
inst - pubsub argument (not used)
"""
from terapy.core import filter_file
if filter_file==None:
pub.sendMessage("set_status_text",inst="No filter file defined. Can't save!")
return # no filter file defined, can't save
if self.bank==None:
pub.sendMessage("set_status_text",inst="No active filter bank. Can't save!")
return # filter control is empty, as no filter bank is active
old_name = self.bank.name
self.bank.name = "Default filter bank"
try:
self.bank.SaveFilterList(filter_file)
pub.sendMessage("set_status_text",inst="Default filters saved.")
except:
pub.sendMessage("set_status_text",inst="Can't write in filter file!")
self.bank.name = old_name
def OnFilterUpdate(self, inst=None):
"""
Actions triggered by changes in filter bank.
Parameters:
inst - pubsub event data or wx.Event
"""
self.bank.RecomputeReference()
for x in self.bank.children:
x.RecomputeReference()
pub.sendMessage("filter.change", inst=self.bank)
def OnFilterLeftClick(self, event = None):
"""
Actions triggered by left mouse button click on filter list.
Parameters:
event - wx.Event
"""
# either rename or enable/disable filter (if shift key is pressed)
itm = self.list.HitTest(event.GetPosition())[0]
if event.ShiftDown() and itm>-1: # enable/disable shift-clicked filter
self.OnEnableFilter(itm)
else:
event.Skip()
def OnFilterDoubleClick(self, event = None):
"""
Actions triggered by left double click on filter list.
Parameters:
event - wx.Event
"""
# change filter properties
if self.bank.filters[event.GetIndex()].set_filter(self):
self.UpdateFilterDisplay()
self.OnFilterUpdate()
event.Skip()
def OnMove(self, disp):
"""
Move selected filter by given amount within list.
Parameters:
disp - displacement (int)
"""
# move item by 'disp' positions in the list
pos = self.list.GetFirstSelected()
if pos+disp<0 or pos+disp>self.list.GetItemCount()-1 or pos<0: return
itm = self.list.GetItem(pos)
itm.SetId(pos+disp)
self.list.DeleteItem(pos)
self.list.InsertItem(itm)
self.list.Select(pos+disp, True)
p1 = self.bank.filters[pos]
self.bank.filters[pos] = self.bank.filters[pos+disp]
self.bank.filters[pos+disp] = p1
self.UpdateFilterDisplay()
self.OnFilterUpdate()
def OnStartDrag(self, event = None):
"""
Actions initiating a drag and drop event.
Parameters:
event - wx.Event
"""
ds = wx.DropSource(self.list)
p = FilterDragObject()
p.SetData("ft")
ds.SetData(p)
ds.DoDragDrop(flags=wx.Drag_DefaultMove)
def OnEndDrag(self, x, y, data):
"""
Actions after a drag and drop event.
Parameters:
x,y - drop position (int)
data - dropped data (str)
not used - assume instead that selected list item has been dragged
"""
ditm = self.list.HitTest((x,y))[0]
oitm = self.list.GetFirstSelected()
self.OnMove(ditm-oitm)
def OnFilterListRightClick(self, event = None):
"""
Actions following a right mouse button click.
Parameters:
event - wx.Event
"""
if self.bank==None: return
# pop up menu with filter-related actions
menuAdd = wx.Menu()
modules = GetModules(self.dim)
for n in range(len(modules)): # build Add menu
md = modules[n]()
if md.is_visible:
if self.bank.HasReference() and md.is_reference:
# don't allow adding 2 reference filters
pass
else:
mitem = wx.MenuItem(menuAdd,id=wx.NewId(),text=modules[n].__extname__)
mitem.SetBitmap(modules[n]().get_icon())
menuAdd.AppendItem(mitem)
self.Bind(wx.EVT_MENU, functools.partial(self.OnAddFilter,md), id=mitem.Id)
if event.EventType == wx.EVT_BUTTON.evtType[0]: # menu can be triggered by pressing + button
# in this case, only the Add menu should appear
self.menuPosition = self.button_add.Position
menu = menuAdd
else:
menu = wx.Menu()
self.menuPosition = event.GetPosition()
menu.AppendSubMenu(menuAdd,"&Add...")
mitem = menu.Append(id=wx.NewId(),text="&Remove")
self.Bind(wx.EVT_MENU, self.OnRemoveFilter, id=mitem.Id)
# if right-click is above an item, add enable/disable menu option
itm = self.list.HitTest(event.GetPosition())[0]
if itm>-1:
if self.bank.filters[itm].is_active:
mitem = menu.Append(id=wx.NewId(), text="&Disable")
else:
mitem = menu.Append(id=wx.NewId(), text="&Enable")
self.Bind(wx.EVT_MENU, lambda x: self.OnEnableFilter(itm), id=mitem.Id)
# Load/Save filter list
mitem = menu.Append(id=wx.NewId(),text="&Load filter list")
self.Bind(wx.EVT_MENU, self.LoadFilterList, id=mitem.Id)
mitem = menu.Append(id=wx.NewId(),text="&Save filter list")
self.Bind(wx.EVT_MENU, self.SaveFilterList, id=mitem.Id)
self.PopupMenu(menu)
def OnEnableFilter(self, pos):
"""
Enable/Disable filter at given position.
Parameters:
pos - position (int)
"""
# enable/disable filter
state = not(self.bank.filters[pos].is_active)
self.bank.filters[pos].is_active = state
f = self.list.GetItemFont(pos)
f.SetPointSize(10)
if state:
f.SetStyle(wx.FONTSTYLE_NORMAL)
else:
f.SetStyle(wx.FONTSTYLE_ITALIC)
self.list.SetItemFont(pos,f)
self.UpdateFilterDisplay()
self.OnFilterUpdate()
def OnRemoveFilter(self, event = None):
"""
Actions following a filter delete request
Parameters:
event - wx.Event
"""
# remove selected filter
pos = self.list.GetFirstSelected()
sels = []
while pos>-1:
sels.append(pos)
pos = self.list.GetNextSelected(pos)
for pos in sels[-1::-1]:
ft = self.bank.filters.pop(pos)
self.list.DeleteItem(pos)
if ft.is_reference:
pub.sendMessage("filter.clear_reference", inst=ft.source) # send clear reference message with ref array
if len(sels)>0:
# update display
self.UpdateFilterDisplay()
self.OnFilterUpdate()
def OnAddFilter(self, ft, event = None):
"""
Add given filter to current filter bank.
Parameters:
ft - filter (Filter)
event - wx.Event
"""
# add filter selected in menu
modules = GetModules(self.dim)
idx = modules.index(ft.__class__)
if ft.set_filter(self):
# if filter 'set' procedure succeeded, add filter to list in adequate position
itm = self.list.HitTest(self.menuPosition)
if itm[0]==-1: # test if click didn't occur above an item
pos = self.list.GetItemCount()
if self.list.GetFirstSelected()>-1: # if not, test if one list item is selected
pos = self.list.GetFirstSelected()
else: # otherwise, insert before clicked item
pos = itm[0]
self.list.InsertImageStringItem(pos,ft.__extname__,idx)
self.bank.InsertFilter(pos, ft)
# update reference plot if necessary, update display
self.UpdateFilterDisplay()
self.OnFilterUpdate()
def SetReference(self, inst):
"""
Set given array as reference.
Parameters:
inst - data array (DataArray)
or pubsub event data
"""
# set reference from external source (i.e. not from filter control itself)
# will act on currently displayed filter bank
if not(isinstance(inst,DataArray)):
inst = inst.data
# search for existing reference
ref_ft = None
for ft in self.bank.filters:
if ft.is_reference:
ref_ft = ft
break
# if no reference, search for adequate filter and add to filter list
if ref_ft==None:
modules = GetModules(self.dim)
# build list of potential filters
flist = []
for n in range(len(modules)):
ft = modules[n]()
if ft.is_reference:
flist.append(ft)
if len(flist)==1: # if only one type exists, add this one
flist[0].source = inst
self.bank.AppendFilter(flist[0])
elif len(flist)>1: # otherwise, propose a list to the user
dlg = ReferenceFilterSelectionDialog(flist = flist)
if dlg.ShowModal() == wx.ID_OK:
idx = dlg.GetValue()
flist[idx].source = inst
self.bank.AppendFilter(flist[idx])
else:
ref_ft.source = inst
def RemoveReference(self, inst=None):
"""
Remove reference filter, is any.
Parameters:
inst - pubsub event data
"""
# remove reference filter
if self.bank.RemoveReference() != None:
self.RefreshFilters()
def UpdateFilterDisplay(self, inst=None):
"""
Update display of apodization window.
Parameters:
inst - pubsub event data
"""
# update apodization filter preview
arr = DataArray(shape=[201])
arr.coords = [np.linspace(-1.0,1.0,201)]
arr.data = np.ones(201)
is_before_ft = True
if isinstance(self.bank,FilterBank):
for ft in self.bank.filters:
if ft.is_pre_filter and is_before_ft and ft.is_active:
ft.apply_filter(arr)
if ft.is_transform:
is_before_ft = False
data_x = np.concatenate(([-1.5,-1.0], arr.coords[0], [1.0,1.5]))
data_y = np.concatenate(([0.0,0.0], arr.data, [0.0,0.0]))
self.line_filter.set_data(data_x, data_y)
self.plot_filter.draw()