Clear area and mouse coordinates

camlib.py

@@ -52,6 +52,31 @@ class Geometry:
             return 0
         bounds = self.bounds()
         return (bounds[2]-bounds[0], bounds[3]-bounds[1])
+        
+    def get_empty_area(self, boundary=None):
+        '''
+        Returns the complement of self.solid_geometry within
+        the given boundary polygon. If not specified, it defaults to
+        the rectangular bounding box of self.solid_geometry.
+        '''
+        if boundary == None:
+            boundary = self.solid_geometry.envelope
+        return boundary.difference(g.solid_geometry)
+        
+    def clear_polygon(self, polygon, tooldia, overlap = 0.15):
+        '''
+        Creates geometry inside a polygon for a tool to cover
+        the whole area.
+        '''
+        poly_cuts = [polygon.buffer(-tooldia/2.0)]
+        while(1):
+            polygon = poly_cuts[-1].buffer(-tooldia*(1-overlap))
+            if polygon.area > 0:
+                poly_cuts.append(polygon)
+            else:
+                break
+        return poly_cuts
+        
 
 class Gerber (Geometry):
     def __init__(self):
@@ -131,6 +156,10 @@ class Gerber (Geometry):
         return None
         
     def parse_file(self, filename):
+        '''
+        Calls Gerber.parse_lines() with array of lines
+        read from the given file.
+        '''
         gfile = open(filename, 'r')
         gstr = gfile.readlines()
         gfile.close()

cirkuix.py

@@ -19,7 +19,7 @@ class App:
         self.builder = Gtk.Builder()
         self.builder.add_from_file(self.gladefile)
         self.window = self.builder.get_object("window1")
-
+        self.positionLabel = self.builder.get_object("label3")
         #self.drawingarea = self.builder.get_object("drawingarea1")
         #self.drawingarea.connect("draw", self.cairopaint)        
         
@@ -46,6 +46,8 @@ class App:
         
         canvas = FigureCanvas(f)  # a Gtk.DrawingArea
         canvas.set_size_request(600,400)
+        canvas.mpl_connect('button_press_event', self.on_click_over_plot)
+        canvas.mpl_connect('motion_notify_event', self.on_mouse_move_over_plot)
         self.grid.attach(canvas,1,1,600,400)
     
     def cairopaint(self, da, cr):
@@ -123,6 +125,13 @@ class App:
         canvas.set_size_request(600,400)
         self.grid.attach(canvas,1,1,600,400)
         self.window.show_all()
-
+        
+    def on_mouse_move_over_plot(self, event):
+        self.positionLabel.set_label("X: %.4f   Y: %.4f"%(event.xdata, event.ydata))
+        
+    def on_click_over_plot(self, event):
+        print 'button=%d, x=%d, y=%d, xdata=%f, ydata=%f'%(
+        event.button, event.x, event.y, event.xdata, event.ydata)
+        
 
 app = App()

cirkuix.ui

@@ -320,6 +320,21 @@
                         <child>
                           <placeholder/>
                         </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
                       </object>
                     </child>
                   </object>
@@ -369,6 +384,22 @@
                 <property name="position">1</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkLabel" id="label3">
+                <property name="width_request">200</property>
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_left">5</property>
+                <property name="margin_right">5</property>
+                <property name="xalign">0</property>
+                <property name="label" translatable="yes">X: 0.0    Y: 0.0</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">2</property>
+              </packing>
+            </child>
           </object>
           <packing>
             <property name="expand">False</property>

tests/KiCad_Squarer-F_Cu.gtl

@@ -0,0 +1,783 @@
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tests/KiCad_Squarer.drl

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+M48
+;DRILL file {Pcbnew (2013-07-07 BZR 4022)-stable} date 11/20/2013 1:52:19 PM
+;FORMAT={2:4/ absolute / inch / keep zeros}
+FMAT,2
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+T1C0.030
+T2C0.040
+T3C0.060
+%
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tests/test_excellon_1.py

@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Sun Jan 05 13:30:47 2014
+
+@author: jpcaram
+"""
+
+import os
+os.chdir('../')
+
+from camlib import *
+#from matplotlib.figure import Figure
+from matplotlib import pyplot
+
+# Gerber. To see if the Excellon is correct
+project_dir = "tests/"
+gerber_filename = project_dir + "KiCad_Squarer-F_Cu.gtl"
+g = Gerber()
+g.parse_file(gerber_filename)
+g.create_geometry()
+
+excellon_filename = project_dir + "KiCad_Squarer.drl"
+ex = Excellon()
+ex.parse_file(excellon_filename)
+ex.create_geometry()
+
+#fig = Figure()
+fig = pyplot.figure()
+ax = fig.add_subplot(111)
+ax.set_aspect(1)
+
+# Plot gerber
+for geo in g.solid_geometry:
+    x, y = geo.exterior.coords.xy
+    plot(x, y, 'k-')
+    for ints in geo.interiors:
+        x, y = ints.coords.xy
+        ax.plot(x, y, 'k-')
+        
+# Plot excellon
+for geo in ex.solid_geometry:
+    x, y = geo.exterior.coords.xy
+    plot(x, y, 'r-')
+    for ints in geo.interiors:
+        x, y = ints.coords.xy
+        ax.plot(x, y, 'g-')
+        
+fig.show()