added scatter

fluent

@@ -80,13 +80,15 @@ class FluentApp:
         wf_menu.show()
         wf_box.pack_end(wf_menu)
 
-        # Set up plot
+        # Set up plots
         pt = self.widget_tree.get_widget('small_view')
         plot = plots.SinePlot()
         plot.show()
         plot.mark_active(True)
-#        pt.set_child(plot, 0, 1)
 
+        plot2 = plots.ScatterPlot()
+        plot2.show()
+        #        pt.set_child(plot, 0, 1)
         # Set up plot toolbar
         dock = self.widget_tree.get_widget('plot_toolbar_dock')
         dock.add(plot.get_toolbar(self.app))

system/navigator.py

@@ -13,8 +13,8 @@ class NavigatorStore (gtk.TreeStore):
         self.set_value(iter, 1, (plots.SinePlot()))
 
         iter = self.append(None)
-        self.set_value(iter, 0, ('Sine Plot 1'))
-        self.set_value(iter, 1, (plots.EmptyView()))
+        self.set_value(iter, 0, ('Scatter Plot'))
+        self.set_value(iter, 1, (plots.ScatterPlot()))
 
     def plot_at(self, path):
         iter = self.get_iter(path)

system/plots.py

@@ -7,6 +7,9 @@ from matplotlib.axes import Subplot
 from matplotlib.figure import Figure
 from matplotlib.numerix import arange, sin, pi
 from matplotlib.backends.backend_gtk import NavigationToolbar2GTK as NavigationToolbar
+
+from matplotlib.widgets import RectangleSelector
+
 import scipy
 import logger
 
@@ -224,16 +227,38 @@ class ScatterPlot (Plot):
     def __init__(self):
         Plot.__init__(self)
         fig = Figure(figsize=(5,4), dpi=72)
-        ax = fig.add_subplot(111)
-        t = arange(0.0, 3.0, 0.01)
-        a = scipy.randn(200, 300)
-        fig.plot(a)
+        self.ax = ax = fig.add_subplot(111)
+        N = 200
+        self.a = a = scipy.randn(N)
+        self.b = b = scipy.randn(N)
+        ax.plot(a,b,'og')
         self.canvas = FigureCanvas(fig)
         self.add(self.canvas)
+        sel = RectangleSelector(ax, self.line_select_callback,
+                      drawtype='box',useblit=True)
+        
         self.canvas.show()
 
+        
+    def line_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
+        logger.log('debug', "(%3.2f, %3.2f) --> (%3.2f, %3.2f)"%(x1,y1,x2,y2))
+        logger.log('debug',"The button you used were:%s, %s "%(event1.button, event2.button))
+        # get all points within x1, y1, x2, y2
+        ydata = self.b
+        xdata = self.a
+        index =scipy.nonzero((xdata<x2) & (xdata>x1) & (ydata<y1) & (ydata>y2))
+        xdata_new = scipy.take(xdata,index)
+        ydata_new = scipy.take(ydata,index)
+        #self.ax.plot(xdata,ydata,'og')
+        self.ax.plot(xdata_new,ydata_new,'or')
+        self.canvas.draw()
+    
     def get_toolbar(self, window):
         self.toolbar = NavigationToolbar(self.canvas, window)
         self.toolbar.set_property('show-arrow', False)
         return self.toolbar
 
+