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laydi/system/plots.py

290 lines
8.9 KiB
Python

import logger
import pygtk
import gtk
import matplotlib
import scipy
import project
from matplotlib.backends.backend_gtkagg import FigureCanvasGTKAgg as FigureCanvas
from matplotlib.axes import Subplot
from matplotlib.figure import Figure
from matplotlib.numerix import arange, sin, pi
from matplotlib.widgets import RectangleSelector
class MainView (gtk.Notebook):
def __init__(self):
gtk.Notebook.__init__(self)
self.set_show_tabs(False)
self.set_show_border(False)
# Add a multiple pane view and a single pane view.
self.small_view = SmallView()
self.small_view.show()
self.large_view = LargeView()
self.large_view.show()
self.append_page(self.small_view)
self.append_page(self.large_view)
self.set_current_page(0)
def goto_small(self):
if self.get_current_page() == 0:
return None
self.set_current_page(0)
view = self.large_view.remove_child()
self.small_view.return_current(view)
def goto_large(self):
if self.get_current_page() == 1:
return None
self.set_current_page(1)
view = self.small_view.borrow_current()
self.large_view.set_child(view)
def show(self):
gtk.Notebook.show(self)
def insert_view(self, view):
self.small_view.insert_view(view)
class SmallView (gtk.Table):
def __init__(self):
gtk.Table.__init__(self, 2, 2, True)
self.child_views = [[EmptyView(), EmptyView()],
[EmptyView(), EmptyView()]]
self.cols = 2
self.rows = 2
self.active_x = 0
self.active_y = 0
self.set_row_spacings(3)
self.set_col_spacings(3)
for x in range(self.cols):
for y in range(self.rows):
child = self.child_views[x][y]
child.parent_signalling = child.connect('button_press_event', self.__view_button_event__)
self.attach(child, x, x+1, y, y+1)
def set_child(self, child, col, row):
cur_widget = self.child_views[col][row]
cur_widget.disconnect(cur_widget.parent_signalling)
self.remove(cur_widget)
self.attach(child, col, col+1, row, row+1)
child.parent_signalling = child.connect('button_press_event', self.__view_button_event__)
self.child_views[col][row] = child
if cur_widget.active:
child.mark_active(True)
cur_widget.mark_active(False)
child.show()
def borrow_current(self):
self.borrowed = self.child_views[self.active_x][self.active_y]
self.remove_child(self.active_x, self.active_y)
return self.borrowed
def return_current(self, view):
self.set_child(view, self.active_x, self.active_y)
def remove_child(self, col, row):
self.remove(self.child_views[col][row])
self.attach(EmptyView(), col, col+1, row, row+1)
def insert_view(self, child):
if not self.find_child(child):
self.set_child(child, self.active_x, self.active_y)
def show(self):
for x in self.child_views:
for y in x:
y.show()
gtk.Table.show(self)
def hide(self):
for x in self.child_views:
for y in x:
y.hide()
gtk.Table.hide(self)
def set_active(self, x, y):
old_focus = self.child_views[self.active_x][self.active_y]
new_focus = self.child_views[x][y]
old_focus.mark_active(False)
new_focus.mark_active(True)
self.active_x = x
self.active_y = y
def find_child(self, child):
for i, row in enumerate(self.child_views):
for j, v in enumerate(row):
if v == child:
return (i, j)
return None
def __view_button_event__(self, view, *rest):
loc = self.find_child(view)
if loc:
self.set_active(loc[0], loc[1])
def get_view(self, x, y):
return self.child_views[x][y]
class LargeView (gtk.Frame):
def __init__(self):
gtk.Frame.__init__(self)
self.child_view = EmptyView()
self.add(self.child_view)
def set_child(self, child):
self.remove(self.child_view)
self.child_view.hide()
self.add(child)
self.child_view = child
child.show()
def hide(self):
self.child_view.hide()
gtk.Frame.hide(self)
def show(self):
self.child_view.show()
gtk.Frame.show(self)
def remove_child(self):
child = self.child_view
child.hide()
self.remove(child)
return child
class Plot (gtk.Frame):
def __init__(self,project):
gtk.Frame.__init__(self)
self.project = project
self.mark_active(False)
self.connect('button_press_event', self.on_button_press)
self.sel_obj = None
self.active = False
if project!=None: #its not an Emptyview
project.attach(self,'selection_update')
def on_button_press(self, *rest):
# logger.log('debug', 'button pressed in plot')
self.mark_active(True)
def mark_active(self, active):
if active:
self.set_shadow_type(gtk.SHADOW_IN)
else:
self.set_shadow_type(gtk.SHADOW_OUT)
self.active = active
def update(self,project,key):
pass
class EmptyView (Plot):
def __init__(self):
Plot.__init__(self,None)
label = gtk.Label('No view')
ebox = gtk.EventBox()
ebox.add(label)
self.add(ebox)
label.connect('button_press_event', self.on_button_press)
self.label = label
self.ebox = ebox
self.show()
def show(self):
self.ebox.show()
self.label.show()
Plot.show(self)
def hide(self):
self.label.hide()
self.ebox.hide()
Plot.hide(self)
class SinePlot(Plot):
def __init__(self,project):
Plot.__init__(self,project)
fig = Figure(figsize=(5,4), dpi=72)
ax = fig.add_subplot(111)
t = arange(0.0,3.0,0.01)
s = sin(2*pi*t)
ax.plot(t,s)
self.canvas = FigureCanvas(fig)
self.add(self.canvas)
self.canvas.show()
class ScatterPlot(Plot):
def __init__(self,project,dataset,id_dim,sel_dim,id_1,id_2):
Plot.__init__(self,project)
self.project = project
fig = Figure(figsize=(5,4), dpi=72)
self.ax = ax = fig.add_subplot(111)
self.current_dim = id_dim
# testing testing
self.dataset = dataset
x_index = dataset[sel_dim][id_1]
y_index = dataset[sel_dim][id_2]
self.xaxis_data = dataset._array[:,x_index]
self.yaxis_data = dataset._array[:,y_index]
ax.plot(self.xaxis_data,self.yaxis_data,'og')
###
self.canvas = FigureCanvas(fig)
self.add(self.canvas)
rectprops = dict(facecolor='gray', edgecolor = 'black',
alpha=0.2, fill=True) #cool
self.sel = RectangleSelector(ax, self.rectangle_select_callback,
drawtype='box',useblit=True,rectprops=rectprops)
self.canvas.show()
def rectangle_select_callback(self,event1, event2):
'event1 and event2 are the press and release events'
x1, y1 = event1.xdata, event1.ydata
x2, y2 = event2.xdata, event2.ydata
ydata = self.yaxis_data
xdata = self.xaxis_data
if x1>x2:
if y1<y2:
index =scipy.nonzero((xdata<x1) & (xdata>x2) & (ydata>y1) & (ydata<y2))
else:
index =scipy.nonzero((xdata<x1) & (xdata>x2) & (ydata<y1) & (ydata>y2))
else:
#logger.log('debug','Selection x_start less than x_end')
if y1<y2:
#logger.log('debug','Selection y_start less than y_end')
index =scipy.nonzero((xdata>x1) & (xdata<x2) & (ydata>y1) & (ydata<y2))
else:
#logger.log('debug','Selection y_start bigger than y_end')
index =scipy.nonzero((xdata>x1) & (xdata<x2) & (ydata<y1) & (ydata>y2))
if len(index)==0:
logger.log('debug','No points selected!')
else:
ids = [id for id,ind in self.dataset[self.current_dim].items() if ind in index]
self.project.set_selection(self.current_dim,ids)
def update(self,project,key):
curr_sel = project.get_selection() # get selection object
ids = curr_sel[self.current_dim] # current identifiers
index = [ind for id,ind in self.dataset[self.current_dim].items() if id in ids] #conversion to index
xdata_new = scipy.take(self.xaxis_data,index) #take data
ydata_new = scipy.take(self.yaxis_data,index)
self.ax.plot(self.xaxis_data,self.yaxis_data,'og')
self.ax.plot(xdata_new,ydata_new,'or')
self.canvas.draw()