Offset feature. G-Code/CNC job processing fixes and optimization.

FlatCAM.py

@@ -490,6 +490,15 @@ class FlatCAMGeometry(FlatCAMObj, Geometry):
         self.ser_attrs += ['options', 'kind']
 
     def scale(self, factor):
+        """
+        Scales all geometry by a given factor.
+
+        :param factor: Factor by which to scale the object's geometry/
+        :type factor: float
+        :return: None
+        :rtype: None
+        """
+
         if type(self.solid_geometry) == list:
             self.solid_geometry = [affinity.scale(g, factor, factor, origin=(0, 0))
                                    for g in self.solid_geometry]
@@ -497,6 +506,24 @@ class FlatCAMGeometry(FlatCAMObj, Geometry):
             self.solid_geometry = affinity.scale(self.solid_geometry, factor, factor,
                                                  origin=(0, 0))
 
+    def offset(self, vect):
+        """
+        Offsets all geometry by a given vector/
+
+        :param vect: (x, y) vector by which to offset the object's geometry.
+        :type vect: tuple
+        :return: None
+        :rtype: None
+        """
+
+        dx, dy = vect
+
+        if type(self.solid_geometry) == list:
+            self.solid_geometry = [affinity.translate(g, xoff=dx, yoff=dy)
+                                   for g in self.solid_geometry]
+        else:
+            self.solid_geometry = affinity.translate(self.solid_geometry, xoff=dx, yoff=dy)
+
     def convert_units(self, units):
         factor = Geometry.convert_units(self, units)
 
@@ -1037,7 +1064,11 @@ class App:
         m_y = 25  # pixels
         width = xmax - xmin
         height = ymax - ymin
-        r = width / height
+        try:
+            r = width / height
+        except:
+            print "ERROR: Height is", height
+            return
         Fw, Fh = self.canvas.get_width_height()
         Fr = float(Fw) / Fh
         x_ratio = float(m_x) / Fw
@@ -1281,6 +1312,19 @@ class App:
     ########################################
     ##         EVENT HANDLERS             ##
     ########################################
+    def on_offset_object(self, widget):
+        obj = self.get_current()
+        assert isinstance(obj, FlatCAMObj)
+        try:
+            vect = self.get_eval("entry_eval_" + obj.kind + "_offset")
+        except:
+            self.info("ERROR: Vector is not in (x, y) format.")
+        assert isinstance(obj, Geometry)
+        obj.offset(vect)
+        obj.plot(self.figure)
+        self.on_zoom_fit(None)
+        return
+
     def on_cb_plot_toggled(self, widget):
         self.get_current().read_form()
         self.get_current().plot(self.figure)
@@ -1943,7 +1987,8 @@ class App:
 
         def geo_init(geo_obj, app_obj):
             assert isinstance(geo_obj, FlatCAMGeometry)
-            gerber = app_obj.stuff[app_obj.selected_item_name]
+            #gerber = app_obj.stuff[app_obj.selected_item_name]  # TODO: Remove.
+            gerber = app_obj.get_current()
             assert isinstance(gerber, FlatCAMGerber)
             gerber.read_form()
             bounding_box = gerber.solid_geometry.envelope.buffer(gerber.options["noncoppermargin"])
@@ -1967,7 +2012,8 @@ class App:
             # TODO: get from object
             margin = app_obj.get_eval("entry_eval_gerber_cutoutmargin")
             gap_size = app_obj.get_eval("entry_eval_gerber_cutoutgapsize")
-            gerber = app_obj.stuff[app_obj.selected_item_name]
+            #gerber = app_obj.stuff[app_obj.selected_item_name]
+            gerber = app_obj.get_current()
             minx, miny, maxx, maxy = gerber.bounds()
             minx -= margin
             maxx += margin
@@ -2059,7 +2105,7 @@ class App:
 
             GLib.idle_add(lambda: app_obj.set_progress_bar(0.4, "Analyzing Geometry..."))
             # TODO: The tolerance should not be hard coded. Just for testing.
-            job_obj.generate_from_geometry(geometry, tolerance=0.001)
+            job_obj.generate_from_geometry(geometry, tolerance=0.0005)
 
             GLib.idle_add(lambda: app_obj.set_progress_bar(0.5, "Parsing G-Code..."))
             job_obj.gcode_parse()
@@ -2129,7 +2175,7 @@ class App:
             f = open(filename, 'w')
             f.write(cncjob.gcode)
             f.close()
-            print "Saved to:", filename
+            self.info("Saved to: " + filename)
 
         self.file_chooser_save_action(on_success)
 

FlatCAM.ui

@@ -744,6 +744,89 @@ THE SOFTWARE.</property>
                     <property name="position">12</property>
                   </packing>
                 </child>
+                <child>
+                  <object class="GtkLabel" id="label93">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="margin_top">3</property>
+                    <property name="xalign">0</property>
+                    <property name="ypad">3</property>
+                    <property name="label" translatable="yes">Offset:</property>
+                    <attributes>
+                      <attribute name="weight" value="semibold"/>
+                    </attributes>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">13</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkBox" id="box26">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="margin_top">3</property>
+                    <property name="margin_bottom">3</property>
+                    <property name="spacing">3</property>
+                    <child>
+                      <object class="GtkLabel" id="label94">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="xalign">1</property>
+                        <property name="label" translatable="yes">Offset Vector: </property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkEntry" id="entry_eval_cncjob_offset">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="invisible_char">●</property>
+                        <property name="text" translatable="yes">(0.0, 0.0)</property>
+                        <property name="invisible_char_set">True</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">14</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkButton" id="button21">
+                    <property name="label" translatable="yes">Offset</property>
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="receives_default">True</property>
+                    <signal name="activate" handler="on_offset_object" swapped="no"/>
+                    <signal name="clicked" handler="on_offset_object" swapped="no"/>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">15</property>
+                  </packing>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
               </object>
             </child>
           </object>
@@ -1165,6 +1248,83 @@ THE SOFTWARE.</property>
                     <property name="position">12</property>
                   </packing>
                 </child>
+                <child>
+                  <object class="GtkLabel" id="label91">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="margin_top">3</property>
+                    <property name="xalign">0</property>
+                    <property name="ypad">3</property>
+                    <property name="label" translatable="yes">Offset:</property>
+                    <attributes>
+                      <attribute name="weight" value="semibold"/>
+                    </attributes>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">13</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkBox" id="box23">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="margin_top">3</property>
+                    <property name="margin_bottom">3</property>
+                    <property name="spacing">3</property>
+                    <child>
+                      <object class="GtkLabel" id="label92">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="xalign">1</property>
+                        <property name="label" translatable="yes">Offset Vector: </property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkEntry" id="entry_eval_excellon_offset">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="invisible_char">●</property>
+                        <property name="text" translatable="yes">(0.0, 0.0)</property>
+                        <property name="invisible_char_set">True</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">14</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkButton" id="button20">
+                    <property name="label" translatable="yes">Offset</property>
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="receives_default">True</property>
+                    <signal name="activate" handler="on_offset_object" swapped="no"/>
+                    <signal name="clicked" handler="on_offset_object" swapped="no"/>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">15</property>
+                  </packing>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
                 <child>
                   <placeholder/>
                 </child>
@@ -1701,6 +1861,80 @@ THE SOFTWARE.</property>
                     <property name="position">15</property>
                   </packing>
                 </child>
+                <child>
+                  <object class="GtkLabel" id="label95">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="margin_top">3</property>
+                    <property name="xalign">0</property>
+                    <property name="ypad">3</property>
+                    <property name="label" translatable="yes">Offset:</property>
+                    <attributes>
+                      <attribute name="weight" value="semibold"/>
+                    </attributes>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">16</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkBox" id="box28">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="margin_top">3</property>
+                    <property name="margin_bottom">3</property>
+                    <property name="spacing">3</property>
+                    <child>
+                      <object class="GtkLabel" id="label96">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="xalign">1</property>
+                        <property name="label" translatable="yes">Offset Vector: </property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkEntry" id="entry_eval_geometry_offset">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="invisible_char">●</property>
+                        <property name="text" translatable="yes">(0.0, 0.0)</property>
+                        <property name="invisible_char_set">True</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">17</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkButton" id="button22">
+                    <property name="label" translatable="yes">Offset</property>
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="receives_default">True</property>
+                    <signal name="activate" handler="on_offset_object" swapped="no"/>
+                    <signal name="clicked" handler="on_offset_object" swapped="no"/>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">18</property>
+                  </packing>
+                </child>
                 <child>
                   <placeholder/>
                 </child>
@@ -2383,6 +2617,86 @@ THE SOFTWARE.</property>
                     <property name="position">23</property>
                   </packing>
                 </child>
+                <child>
+                  <object class="GtkLabel" id="label97">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="margin_top">3</property>
+                    <property name="xalign">0</property>
+                    <property name="ypad">3</property>
+                    <property name="label" translatable="yes">Offset:</property>
+                    <attributes>
+                      <attribute name="weight" value="semibold"/>
+                    </attributes>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">24</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkBox" id="box29">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="margin_top">3</property>
+                    <property name="margin_bottom">3</property>
+                    <property name="spacing">3</property>
+                    <child>
+                      <object class="GtkLabel" id="label98">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="xalign">1</property>
+                        <property name="label" translatable="yes">Offset Vector: </property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkEntry" id="entry_eval_gerber_offset">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="invisible_char">●</property>
+                        <property name="text" translatable="yes">(0.0, 0.0)</property>
+                        <property name="invisible_char_set">True</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">25</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkButton" id="button23">
+                    <property name="label" translatable="yes">Offset</property>
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="receives_default">True</property>
+                    <signal name="activate" handler="on_offset_object" swapped="no"/>
+                    <signal name="clicked" handler="on_offset_object" swapped="no"/>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">26</property>
+                  </packing>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
                 <child>
                   <placeholder/>
                 </child>

camlib.py

@@ -43,6 +43,11 @@ class Geometry:
         """
         Creates contours around geometry at a given
         offset distance.
+
+        :param offset: Offset distance.
+        :type offset: float
+        :return: The buffered geometry.
+        :rtype: Shapely.MultiPolygon or Shapely.Polygon
         """
         return self.solid_geometry.buffer(offset)
         
@@ -107,6 +112,16 @@ class Geometry:
         """
         return
 
+    def offset(self, vect):
+        """
+        Offset the geometry by the given vector. Override this method.
+
+        :param vect: (x, y) vector by which to offset the object.
+        :type vect: tuple
+        :return: None
+        """
+        return
+
     def convert_units(self, units):
         """
         Converts the units of the object to ``units`` by scaling all
@@ -379,16 +394,63 @@ class Gerber (Geometry):
         # Now buffered_paths, flash_geometry and solid_geometry
         self.create_geometry()
 
+    def offset(self, vect):
+        """
+        Offsets the objects' geometry on the XY plane by a given vector.
+        These are:
+
+        * ``paths``
+        * ``regions``
+        * ``flashes``
+
+        Then ``buffered_paths``, ``flash_geometry`` and ``solid_geometry``
+        are re-created with ``self.create_geometry()``.
+        :param vect: (x, y) offset vector.
+        :type vect: tuple
+        :return: None
+        """
+
+        dx, dy = vect
+
+        # Paths
+        print "Shifting paths..."
+        for path in self.paths:
+            path['linestring'] = affinity.translate(path['linestring'],
+                                                    xoff=dx, yoff=dy)
+
+        # Flashes
+        print "Shifting flashes..."
+        for fl in self.flashes:
+            # TODO: Shouldn't 'loc' be a numpy.array()?
+            fl['loc'][0] += dx
+            fl['loc'][1] += dy
+
+        # Regions
+        print "Shifting regions..."
+        for reg in self.regions:
+            reg['polygon'] = affinity.translate(reg['polygon'],
+                                                xoff=dx, yoff=dy)
+
+        # Now buffered_paths, flash_geometry and solid_geometry
+        self.create_geometry()
+
     def fix_regions(self):
         """
         Overwrites the region polygons with fixed
         versions if found to be invalid (according to Shapely).
         """
+
         for region in self.regions:
             if not region['polygon'].is_valid:
                 region['polygon'] = region['polygon'].buffer(0)
     
     def buffer_paths(self):
+        """
+        This is part of the parsing process. "Thickens" the paths
+        by their appertures. This will only work for circular appertures.
+        :return: None
+        """
+
         self.buffered_paths = []
         for path in self.paths:
             width = self.apertures[path["aperture"]]["size"]
@@ -613,6 +675,7 @@ class Gerber (Geometry):
         """
         Creates geometry for Gerber flashes (aperture on a single point).
         """
+
         self.flash_geometry = []
         for flash in self.flashes:
             aperture = self.apertures[flash['aperture']]
@@ -660,6 +723,7 @@ class Gerber (Geometry):
         :rtype : None
         :return: None
         """
+
         # if len(self.buffered_paths) == 0:
         #     self.buffer_paths()
         print "... buffer_paths()"
@@ -669,10 +733,9 @@ class Gerber (Geometry):
         print "... do_flashes()"
         self.do_flashes()
         print "... cascaded_union()"
-        self.solid_geometry = cascaded_union(
-                                self.buffered_paths + 
-                                [poly['polygon'] for poly in self.regions] +
-                                self.flash_geometry)
+        self.solid_geometry = cascaded_union(self.buffered_paths +
+                                             [poly['polygon'] for poly in self.regions] +
+                                             self.flash_geometry)
 
     def get_bounding_box(self, margin=0.0, rounded=False):
         """
@@ -688,6 +751,7 @@ class Gerber (Geometry):
         :return: The bounding box.
         :rtype: Shapely.Polygon
         """
+
         bbox = self.solid_geometry.envelope.buffer(margin)
         if not rounded:
             bbox = bbox.envelope
@@ -710,12 +774,14 @@ class Excellon(Geometry):
     tool              (str) A key in ``tools``
     ================  ====================================
     """
+
     def __init__(self):
         """
         The constructor takes no parameters.
         :return: Excellon object.
         :rtype: Excellon
         """
+
         Geometry.__init__(self)
         
         self.tools = {}
@@ -820,6 +886,25 @@ class Excellon(Geometry):
         for drill in self.drills:
             drill['point'] = affinity.scale(drill['point'], factor, factor, origin=(0, 0))
 
+        self.create_geometry()
+
+    def offset(self, vect):
+        """
+        Offsets geometry on the XY plane in the object by a given vector.
+
+        :param vect: (x, y) offset vector.
+        :type vect: tuple
+        :return: None
+        """
+
+        dx, dy = vect
+
+        # Drills
+        for drill in self.drills:
+            drill['point'] = affinity.translate(drill['point'], xoff=dx, yoff=dy)
+
+        self.create_geometry()
+
     def convert_units(self, units):
         factor = Geometry.convert_units(self, units)
 
@@ -1095,6 +1180,8 @@ class CNCjob(Geometry):
         fast or feedrate speed.
         """
 
+        kind = ["C", "F"]  # T=travel, C=cut, F=fast, S=slow
+
         # Results go here
         geometry = []        
         
@@ -1103,22 +1190,31 @@ class CNCjob(Geometry):
         
         # Last known instruction
         current = {'X': 0.0, 'Y': 0.0, 'Z': 0.0, 'G': 0}
-        
+
+        # Current path: temporary storage until tool is
+        # lifted or lowered.
+        path = []
+
         # Process every instruction
         for gobj in gobjs:
+
+            # Changing height:
             if 'Z' in gobj:
                 if ('X' in gobj or 'Y' in gobj) and gobj['Z'] != current['Z']:
                     print "WARNING: Non-orthogonal motion: From", current
                     print "         To:", gobj
                 current['Z'] = gobj['Z']
-                
+                # Store the path into geometry and reset path
+                if len(path) > 1:
+                    geometry.append({"geom": LineString(path),
+                                     "kind": kind})
+                    path = [path[-1]]  # Start with the last point of last path.
+
+
             if 'G' in gobj:
                 current['G'] = int(gobj['G'])
                 
             if 'X' in gobj or 'Y' in gobj:
-                x = 0
-                y = 0
-                kind = ["C", "F"]  # T=travel, C=cut, F=fast, S=slow
                 
                 if 'X' in gobj:
                     x = gobj['X']
@@ -1129,7 +1225,9 @@ class CNCjob(Geometry):
                     y = gobj['Y']
                 else:
                     y = current['Y']
-                
+
+                kind = ["C", "F"]  # T=travel, C=cut, F=fast, S=slow
+
                 if current['Z'] > 0:
                     kind[0] = 'T'
                 if current['G'] > 0:
@@ -1137,23 +1235,26 @@ class CNCjob(Geometry):
                    
                 arcdir = [None, None, "cw", "ccw"]
                 if current['G'] in [0, 1]:  # line
-                    geometry.append({'geom': LineString([(current['X'], current['Y']),
-                                                        (x, y)]), 'kind': kind})
+                    path.append((x, y))
+                    # geometry.append({'geom': LineString([(current['X'], current['Y']),
+                    #                                     (x, y)]), 'kind': kind})
                 if current['G'] in [2, 3]:  # arc
                     center = [gobj['I'] + current['X'], gobj['J'] + current['Y']]
                     radius = sqrt(gobj['I']**2 + gobj['J']**2)
                     start = arctan2(-gobj['J'], -gobj['I'])
                     stop = arctan2(-center[1]+y, -center[0]+x)
-                    geometry.append({'geom': arc(center, radius, start, stop,
-                                                 arcdir[current['G']],
-                                                 self.steps_per_circ),
-                                     'kind': kind})
+                    path += arc(center, radius, start, stop,
+                                arcdir[current['G']],
+                                self.steps_per_circ)
+                    # geometry.append({'geom': arc(center, radius, start, stop,
+                    #                              arcdir[current['G']],
+                    #                              self.steps_per_circ),
+                    #                  'kind': kind})
 
             # Update current instruction
             for code in gobj:
                 current[code] = gobj[code]
-                
-        #self.G_geometry = geometry
+
         self.gcode_parsed = geometry
         return geometry
         
@@ -1194,7 +1295,7 @@ class CNCjob(Geometry):
         
     def plot2(self, axes, tooldia=None, dpi=75, margin=0.1,
              color={"T": ["#F0E24D", "#B5AB3A"], "C": ["#5E6CFF", "#4650BD"]},
-             alpha={"T": 0.3, "C": 1.0}, tool_tolerance=0.001):
+             alpha={"T": 0.3, "C": 1.0}, tool_tolerance=0.0005):
         """
         Plots the G-code job onto the given axes.
 
@@ -1320,6 +1421,21 @@ class CNCjob(Geometry):
 
         self.create_geometry()
 
+    def offset(self, vect):
+        """
+        Offsets all the geometry on the XY plane in the object by the
+        given vector.
+
+        :param vect: (x, y) offset vector.
+        :type vect: tuple
+        :return: None
+        """
+        dx, dy = vect
+
+        for g in self.gcode_parsed:
+            g['geom'] = affinity.translate(g['geom'], xoff=dx, yoff=dy)
+
+        self.create_geometry()
 
 def get_bounds(geometry_set):
     xmin = Inf
@@ -1343,7 +1459,7 @@ def get_bounds(geometry_set):
 
 def arc(center, radius, start, stop, direction, steps_per_circ):
     """
-    Creates a Shapely.LineString for the specified arc.
+    Creates a list of point along the specified arc.
 
     :param center: Coordinates of the center [x, y]
     :type center: list
@@ -1358,9 +1474,11 @@ def arc(center, radius, start, stop, direction, steps_per_circ):
     :param steps_per_circ: Number of straight line segments to
         represent a circle.
     :type steps_per_circ: int
-    :return: The desired arc.
-    :rtype: Shapely.LineString
+    :return: The desired arc, as list of tuples
+    :rtype: list
     """
+    # TODO: Resolution should be established by fraction of total length, not angle.
+
     da_sign = {"cw": -1.0, "ccw": 1.0}
     points = []
     if direction == "ccw" and stop <= start:
@@ -1375,8 +1493,8 @@ def arc(center, radius, start, stop, direction, steps_per_circ):
     delta_angle = da_sign[direction]*angle*1.0/steps
     for i in range(steps+1):
         theta = start + delta_angle*i
-        points.append([center[0]+radius*cos(theta), center[1]+radius*sin(theta)])
-    return LineString(points)
+        points.append((center[0]+radius*cos(theta), center[1]+radius*sin(theta)))
+    return points
 
 
 def clear_poly(poly, tooldia, overlap=0.1):

defaults.json

@@ -1 +1 @@
-{"geometry_paintoverlap": 0.15, "geometry_plot": true, "excellon_feedrate": 5.0, "gerber_plot": true, "gerber_mergepolys": true, "excellon_drillz": -0.1, "geometry_feedrate": 5.0, "units": "IN", "excellon_travelz": 0.1, "gerber_multicolored": false, "gerber_solid": true, "excellon_plot": true, "gerber_isotooldia": 0.016, "gerber_bboxmargin": 0.0, "cncjob_tooldia": 0.016, "geometry_travelz": 0.1, "gerber_cutoutmargin": 0.2, "excellon_solid": false, "geometry_paintmargin": 0.01, "geometry_cutz": -0.002, "geometry_cnctooldia": 0.016, "gerber_gaps": "4", "excellon_multicolored": false, "geometry_painttooldia": 0.0625, "cncjob_plot": true, "gerber_cutoutgapsize": 0.15, "gerber_bboxrounded": false, "geometry_multicolored": false, "gerber_noncoppermargin": 0.0, "geometry_solid": false}
+{"geometry_paintoverlap": 0.15, "geometry_plot": true, "gerber_isotooldia": 0.016, "gerber_plot": true, "gerber_mergepolys": true, "gerber_cutoutgapsize": 0.15, "geometry_feedrate": 3.0, "units": "IN", "excellon_travelz": 0.1, "gerber_multicolored": false, "gerber_solid": true, "excellon_plot": true, "excellon_feedrate": 5.0, "cncjob_tooldia": 0.016, "geometry_travelz": 0.1, "gerber_cutoutmargin": 0.2, "excellon_solid": false, "geometry_paintmargin": 0.01, "geometry_cutz": -0.002, "gerber_noncoppermargin": 0.0, "gerber_gaps": "4", "excellon_multicolored": false, "gerber_bboxmargin": 0.0, "cncjob_plot": true, "excellon_drillz": -0.1, "gerber_bboxrounded": false, "geometry_multicolored": false, "geometry_cnctooldia": 0.016, "geometry_solid": false, "geometry_painttooldia": 0.0625}

doc/build/genindex.html

@@ -162,12 +162,16 @@
   </dt>
 
       
-  <dt><a href="index.html#FlatCAM.App.build_list">build_list() (FlatCAM.App method)</a>
+  <dt><a href="index.html#FlatCAM.Gerber.buffer_paths">buffer_paths() (FlatCAM.Gerber method)</a>
   </dt>
 
   </dl></td>
   <td style="width: 33%" valign="top"><dl>
       
+  <dt><a href="index.html#FlatCAM.App.build_list">build_list() (FlatCAM.App method)</a>
+  </dt>
+
+      
   <dt><a href="index.html#FlatCAM.FlatCAMObj.build_ui">build_ui() (FlatCAM.FlatCAMObj method)</a>
   </dt>
 
@@ -215,10 +219,6 @@
   <dt><a href="index.html#FlatCAM.FlatCAMObj.deserialize">deserialize() (FlatCAM.FlatCAMObj method)</a>
   </dt>
 
-      
-  <dt><a href="index.html#FlatCAM.Gerber.digits">digits (FlatCAM.Gerber attribute)</a>
-  </dt>
-
   </dl></td>
   <td style="width: 33%" valign="top"><dl>
       
@@ -280,7 +280,7 @@
   </dt>
 
       
-  <dt><a href="index.html#FlatCAM.Gerber.fraction">fraction (FlatCAM.Gerber attribute)</a>
+  <dt><a href="index.html#FlatCAM.Gerber.frac_digits">frac_digits (FlatCAM.Gerber attribute)</a>
   </dt>
 
       
@@ -349,6 +349,10 @@
   <dt><a href="index.html#FlatCAM.App.info">info() (FlatCAM.App method)</a>
   </dt>
 
+      
+  <dt><a href="index.html#FlatCAM.Gerber.int_digits">int_digits (FlatCAM.Gerber attribute)</a>
+  </dt>
+
   </dl></td>
   <td style="width: 33%" valign="top"><dl>
       
@@ -362,6 +366,12 @@
 <table style="width: 100%" class="indextable genindextable"><tr>
   <td style="width: 33%" valign="top"><dl>
       
+  <dt><a href="index.html#FlatCAM.CNCjob.linear2gcode">linear2gcode() (FlatCAM.CNCjob method)</a>
+  </dt>
+
+  </dl></td>
+  <td style="width: 33%" valign="top"><dl>
+      
   <dt><a href="index.html#FlatCAM.App.load_defaults">load_defaults() (FlatCAM.App method)</a>
   </dt>
 
@@ -382,6 +392,20 @@
 <table style="width: 100%" class="indextable genindextable"><tr>
   <td style="width: 33%" valign="top"><dl>
       
+  <dt><a href="index.html#FlatCAM.Excellon.offset">offset() (FlatCAM.Excellon method)</a>
+  </dt>
+
+      <dd><dl>
+        
+  <dt><a href="index.html#FlatCAM.Geometry.offset">(FlatCAM.Geometry method)</a>
+  </dt>
+
+        
+  <dt><a href="index.html#FlatCAM.Gerber.offset">(FlatCAM.Gerber method)</a>
+  </dt>
+
+      </dl></dd>
+      
   <dt><a href="index.html#FlatCAM.App.on_about">on_about() (FlatCAM.App method)</a>
   </dt>
 
@@ -485,12 +509,12 @@
   <dt><a href="index.html#FlatCAM.App.on_generate_gerber_bounding_box">on_generate_gerber_bounding_box() (FlatCAM.App method)</a>
   </dt>
 
+  </dl></td>
+  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="index.html#FlatCAM.App.on_generate_isolation">on_generate_isolation() (FlatCAM.App method)</a>
   </dt>
 
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="index.html#FlatCAM.App.on_generate_paintarea">on_generate_paintarea() (FlatCAM.App method)</a>
   </dt>
@@ -544,10 +568,6 @@
   </dt>
 
       
-  <dt><a href="index.html#FlatCAM.App.on_replot">on_replot() (FlatCAM.App method)</a>
-  </dt>
-
-      
   <dt><a href="index.html#FlatCAM.App.on_row_activated">on_row_activated() (FlatCAM.App method)</a>
   </dt>
 
@@ -564,6 +584,10 @@
   </dt>
 
       
+  <dt><a href="index.html#FlatCAM.App.on_toolbar_replot">on_toolbar_replot() (FlatCAM.App method)</a>
+  </dt>
+
+      
   <dt><a href="index.html#FlatCAM.App.on_tools_doublesided">on_tools_doublesided() (FlatCAM.App method)</a>
   </dt>
 
@@ -616,9 +640,15 @@
 
       </dl></dd>
       
-  <dt><a href="index.html#FlatCAM.FlatCAMObj.plot">plot() (FlatCAM.FlatCAMObj method)</a>
+  <dt><a href="index.html#FlatCAM.FlatCAMGerber.plot">plot() (FlatCAM.FlatCAMGerber method)</a>
   </dt>
 
+      <dd><dl>
+        
+  <dt><a href="index.html#FlatCAM.FlatCAMObj.plot">(FlatCAM.FlatCAMObj method)</a>
+  </dt>
+
+      </dl></dd>
       
   <dt><a href="index.html#FlatCAM.CNCjob.plot2">plot2() (FlatCAM.CNCjob method)</a>
   </dt>

doc/build/index.html

@@ -1047,22 +1047,6 @@ which may be necessary when updating the UI from code and not by the user.</p>
 </table>
 </dd></dl>
 
-<dl class="method">
-<dt id="FlatCAM.App.on_replot">
-<tt class="descname">on_replot</tt><big>(</big><em>widget</em><big>)</big><a class="headerlink" href="#FlatCAM.App.on_replot" title="Permalink to this definition">¶</a></dt>
-<dd><p>Callback for toolbar button. Re-plots all objects.</p>
-<table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>widget</strong> &#8211; The widget from which this was called.</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">None</td>
-</tr>
-</tbody>
-</table>
-</dd></dl>
-
 <dl class="method">
 <dt id="FlatCAM.App.on_row_activated">
 <tt class="descname">on_row_activated</tt><big>(</big><em>widget</em>, <em>path</em>, <em>col</em><big>)</big><a class="headerlink" href="#FlatCAM.App.on_row_activated" title="Permalink to this definition">¶</a></dt>
@@ -1140,6 +1124,22 @@ the objects in the project.</p>
 </table>
 </dd></dl>
 
+<dl class="method">
+<dt id="FlatCAM.App.on_toolbar_replot">
+<tt class="descname">on_toolbar_replot</tt><big>(</big><em>widget</em><big>)</big><a class="headerlink" href="#FlatCAM.App.on_toolbar_replot" title="Permalink to this definition">¶</a></dt>
+<dd><p>Callback for toolbar button. Re-plots all objects.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>widget</strong> &#8211; The widget from which this was called.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">None</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
 <dl class="method">
 <dt id="FlatCAM.App.on_tools_doublesided">
 <tt class="descname">on_tools_doublesided</tt><big>(</big><em>param</em><big>)</big><a class="headerlink" href="#FlatCAM.App.on_tools_doublesided" title="Permalink to this definition">¶</a></dt>
@@ -1406,13 +1406,13 @@ in the GUI. This selection will in turn trigger
 <dl class="method">
 <dt id="FlatCAM.App.set_progress_bar">
 <tt class="descname">set_progress_bar</tt><big>(</big><em>percentage</em>, <em>text=''</em><big>)</big><a class="headerlink" href="#FlatCAM.App.set_progress_bar" title="Permalink to this definition">¶</a></dt>
-<dd><p>Sets the application&#8217;s progress bar to a given fraction and text.</p>
+<dd><p>Sets the application&#8217;s progress bar to a given frac_digits and text.</p>
 <table class="docutils field-list" frame="void" rules="none">
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
 <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
-<li><strong>percentage</strong> (<em>float</em>) &#8211; The fraction (0.0-1.0) of the progress.</li>
+<li><strong>percentage</strong> (<em>float</em>) &#8211; The frac_digits (0.0-1.0) of the progress.</li>
 <li><strong>text</strong> (<em>str</em>) &#8211; Text to display on the progress bar.</li>
 </ul>
 </td>
@@ -1569,6 +1569,34 @@ the rectangular bounding box of self.solid_geometry.</p>
 <tt class="descname">isolation_geometry</tt><big>(</big><em>offset</em><big>)</big><a class="headerlink" href="#FlatCAM.Geometry.isolation_geometry" title="Permalink to this definition">¶</a></dt>
 <dd><p>Creates contours around geometry at a given
 offset distance.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>offset</strong> (<em>float</em>) &#8211; Offset distance.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The buffered geometry.</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body">Shapely.MultiPolygon or Shapely.Polygon</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="FlatCAM.Geometry.offset">
+<tt class="descname">offset</tt><big>(</big><em>vect</em><big>)</big><a class="headerlink" href="#FlatCAM.Geometry.offset" title="Permalink to this definition">¶</a></dt>
+<dd><p>Offset the geometry by the given vector. Override this method.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>vect</strong> (<em>tuple</em>) &#8211; (x, y) vector by which to offset the object.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">None</td>
+</tr>
+</tbody>
+</table>
 </dd></dl>
 
 <dl class="method">
@@ -1744,6 +1772,14 @@ The following kinds and their attributes are supported:</p>
 </table>
 </dd></dl>
 
+<dl class="method">
+<dt id="FlatCAM.Gerber.buffer_paths">
+<tt class="descname">buffer_paths</tt><big>(</big><big>)</big><a class="headerlink" href="#FlatCAM.Gerber.buffer_paths" title="Permalink to this definition">¶</a></dt>
+<dd><p>This is part of the parsing process. &#8220;Thickens&#8221; the paths
+by their appertures. This will only work for circular appertures.
+:return: None</p>
+</dd></dl>
+
 <dl class="method">
 <dt id="FlatCAM.Gerber.create_geometry">
 <tt class="descname">create_geometry</tt><big>(</big><big>)</big><a class="headerlink" href="#FlatCAM.Gerber.create_geometry" title="Permalink to this definition">¶</a></dt>
@@ -1755,12 +1791,6 @@ and regions naturally do as well.</p>
 :return: None</p>
 </dd></dl>
 
-<dl class="attribute">
-<dt id="FlatCAM.Gerber.digits">
-<tt class="descname">digits</tt><em class="property"> = None</em><a class="headerlink" href="#FlatCAM.Gerber.digits" title="Permalink to this definition">¶</a></dt>
-<dd><p>Number of integer digits in Gerber numbers. Used during parsing.</p>
-</dd></dl>
-
 <dl class="method">
 <dt id="FlatCAM.Gerber.do_flashes">
 <tt class="descname">do_flashes</tt><big>(</big><big>)</big><a class="headerlink" href="#FlatCAM.Gerber.do_flashes" title="Permalink to this definition">¶</a></dt>
@@ -1775,8 +1805,8 @@ versions if found to be invalid (according to Shapely).</p>
 </dd></dl>
 
 <dl class="attribute">
-<dt id="FlatCAM.Gerber.fraction">
-<tt class="descname">fraction</tt><em class="property"> = None</em><a class="headerlink" href="#FlatCAM.Gerber.fraction" title="Permalink to this definition">¶</a></dt>
+<dt id="FlatCAM.Gerber.frac_digits">
+<tt class="descname">frac_digits</tt><em class="property"> = None</em><a class="headerlink" href="#FlatCAM.Gerber.frac_digits" title="Permalink to this definition">¶</a></dt>
 <dd><p>Number of fraction digits in Gerber numbers. Used during parsing.</p>
 </dd></dl>
 
@@ -1807,6 +1837,29 @@ box in both positive and negative, x and y axes.</li>
 </table>
 </dd></dl>
 
+<dl class="attribute">
+<dt id="FlatCAM.Gerber.int_digits">
+<tt class="descname">int_digits</tt><em class="property"> = None</em><a class="headerlink" href="#FlatCAM.Gerber.int_digits" title="Permalink to this definition">¶</a></dt>
+<dd><p>Number of integer digits in Gerber numbers. Used during parsing.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="FlatCAM.Gerber.offset">
+<tt class="descname">offset</tt><big>(</big><em>vect</em><big>)</big><a class="headerlink" href="#FlatCAM.Gerber.offset" title="Permalink to this definition">¶</a></dt>
+<dd><p>Offsets the objects&#8217; geometry on the XY plane by a given vector.
+These are:</p>
+<ul class="simple">
+<li><tt class="docutils literal"><span class="pre">paths</span></tt></li>
+<li><tt class="docutils literal"><span class="pre">regions</span></tt></li>
+<li><tt class="docutils literal"><span class="pre">flashes</span></tt></li>
+</ul>
+<p>Then <tt class="docutils literal"><span class="pre">buffered_paths</span></tt>, <tt class="docutils literal"><span class="pre">flash_geometry</span></tt> and <tt class="docutils literal"><span class="pre">solid_geometry</span></tt>
+are re-created with <tt class="docutils literal"><span class="pre">self.create_geometry()</span></tt>.
+:param vect: (x, y) offset vector.
+:type vect: tuple
+:return: None</p>
+</dd></dl>
+
 <dl class="method">
 <dt id="FlatCAM.Gerber.parse_file">
 <tt class="descname">parse_file</tt><big>(</big><em>filename</em><big>)</big><a class="headerlink" href="#FlatCAM.Gerber.parse_file" title="Permalink to this definition">¶</a></dt>
@@ -1817,7 +1870,20 @@ read from the given file.</p>
 <dl class="method">
 <dt id="FlatCAM.Gerber.parse_lines">
 <tt class="descname">parse_lines</tt><big>(</big><em>glines</em><big>)</big><a class="headerlink" href="#FlatCAM.Gerber.parse_lines" title="Permalink to this definition">¶</a></dt>
-<dd><p>Main Gerber parser.</p>
+<dd><p>Main Gerber parser. Reads Gerber and populates <tt class="docutils literal"><span class="pre">self.paths</span></tt>, <tt class="docutils literal"><span class="pre">self.apertures</span></tt>,
+<tt class="docutils literal"><span class="pre">self.flashes</span></tt>, <tt class="docutils literal"><span class="pre">self.regions</span></tt> and <tt class="docutils literal"><span class="pre">self.units</span></tt>.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>glines</strong> &#8211; Gerber code as list of strings, each</td>
+</tr>
+</tbody>
+</table>
+<p>element being one line of the source file.
+:type glines: list
+:return: None
+:rtype: None</p>
 </dd></dl>
 
 <dl class="method">
@@ -1868,6 +1934,22 @@ the size (diameter).</li>
 </tr>
 </tbody>
 </table>
+<dl class="method">
+<dt id="FlatCAM.Excellon.offset">
+<tt class="descname">offset</tt><big>(</big><em>vect</em><big>)</big><a class="headerlink" href="#FlatCAM.Excellon.offset" title="Permalink to this definition">¶</a></dt>
+<dd><p>Offsets geometry on the XY plane in the object by a given vector.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>vect</strong> (<em>tuple</em>) &#8211; (x, y) offset vector.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">None</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
 <dl class="method">
 <dt id="FlatCAM.Excellon.parse_lines">
 <tt class="descname">parse_lines</tt><big>(</big><em>elines</em><big>)</big><a class="headerlink" href="#FlatCAM.Excellon.parse_lines" title="Permalink to this definition">¶</a></dt>
@@ -1943,45 +2025,142 @@ different job for each tool in the excellon code.</p>
 <dt id="FlatCAM.CNCjob.generate_from_excellon_by_tool">
 <tt class="descname">generate_from_excellon_by_tool</tt><big>(</big><em>exobj</em>, <em>tools='all'</em><big>)</big><a class="headerlink" href="#FlatCAM.CNCjob.generate_from_excellon_by_tool" title="Permalink to this definition">¶</a></dt>
 <dd><p>Creates gcode for this object from an Excellon object
-for the specified tools.
-&#64;param exobj: Excellon object to process
-&#64;type exobj: Excellon
-&#64;param tools: Comma separated tool names
-&#64;type: tools: str
-&#64;return: None</p>
+for the specified tools.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>exobj</strong> (<em>Excellon</em>) &#8211; Excellon object to process</li>
+<li><strong>tools</strong> &#8211; Comma separated tool names</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Type:</th><td class="field-body"><p class="first">tools: str</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">None</p>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">None</p>
+</td>
+</tr>
+</tbody>
+</table>
 </dd></dl>
 
 <dl class="method">
 <dt id="FlatCAM.CNCjob.generate_from_geometry">
-<tt class="descname">generate_from_geometry</tt><big>(</big><em>geometry</em>, <em>append=True</em>, <em>tooldia=None</em><big>)</big><a class="headerlink" href="#FlatCAM.CNCjob.generate_from_geometry" title="Permalink to this definition">¶</a></dt>
-<dd><p>Generates G-Code from a Geometry object.</p>
+<tt class="descname">generate_from_geometry</tt><big>(</big><em>geometry</em>, <em>append=True</em>, <em>tooldia=None</em>, <em>tolerance=0</em><big>)</big><a class="headerlink" href="#FlatCAM.CNCjob.generate_from_geometry" title="Permalink to this definition">¶</a></dt>
+<dd><p>Generates G-Code from a Geometry object. Stores in <tt class="docutils literal"><span class="pre">self.gcode</span></tt>.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
+<li><strong>geometry</strong> (<em>Geometry</em>) &#8211; Geometry defining the toolpath</li>
+<li><strong>append</strong> (<em>bool</em>) &#8211; Wether to append to self.gcode or re-write it.</li>
+<li><strong>tooldia</strong> &#8211; If given, sets the tooldia property but does</li>
+</ul>
+</td>
+</tr>
+</tbody>
+</table>
+<p>not affect the process in any other way.
+:type tooldia: bool
+:param tolerance: All points in the simplified object will be within the
+tolerance distance of the original geometry.
+:return: None
+:rtype: None</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="FlatCAM.CNCjob.linear2gcode">
+<tt class="descname">linear2gcode</tt><big>(</big><em>linear</em>, <em>tolerance=0</em><big>)</big><a class="headerlink" href="#FlatCAM.CNCjob.linear2gcode" title="Permalink to this definition">¶</a></dt>
+<dd><p>Generates G-code to cut along the linear feature.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>linear</strong> &#8211; The path to cut along.</li>
+<li><strong>tolerance</strong> &#8211; All points in the simplified object will be within the</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Type:</th><td class="field-body"><p class="first last">Shapely.LinearRing or Shapely.Linear String</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>tolerance distance of the original geometry.
+:type tolerance: float
+:return: G-code to cut alon the linear feature.
+:rtype: str</p>
 </dd></dl>
 
 <dl class="method">
 <dt id="FlatCAM.CNCjob.plot2">
-<tt class="descname">plot2</tt><big>(</big><em>axes, tooldia=None, dpi=75, margin=0.1, color={'C': ['#5E6CFF', '#4650BD'], 'T': ['#F0E24D', '#B5AB3A']}, alpha={'C': 1.0, 'T': 0.3}</em><big>)</big><a class="headerlink" href="#FlatCAM.CNCjob.plot2" title="Permalink to this definition">¶</a></dt>
+<tt class="descname">plot2</tt><big>(</big><em>axes, tooldia=None, dpi=75, margin=0.1, color={'C': ['#5E6CFF', '#4650BD'], 'T': ['#F0E24D', '#B5AB3A']}, alpha={'C': 1.0, 'T': 0.3}, tool_tolerance=0.001</em><big>)</big><a class="headerlink" href="#FlatCAM.CNCjob.plot2" title="Permalink to this definition">¶</a></dt>
 <dd><p>Plots the G-code job onto the given axes.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>axes</strong> &#8211; Matplotlib axes on which to plot.</li>
+<li><strong>tooldia</strong> &#8211; Tool diameter.</li>
+<li><strong>dpi</strong> &#8211; Not used!</li>
+<li><strong>margin</strong> &#8211; Not used!</li>
+<li><strong>color</strong> &#8211; Color specification.</li>
+<li><strong>alpha</strong> &#8211; Transparency specification.</li>
+<li><strong>tool_tolerance</strong> &#8211; Tolerance when drawing the toolshape.</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">None</p>
+</td>
+</tr>
+</tbody>
+</table>
 </dd></dl>
 
 <dl class="method">
 <dt id="FlatCAM.CNCjob.polygon2gcode">
-<tt class="descname">polygon2gcode</tt><big>(</big><em>polygon</em><big>)</big><a class="headerlink" href="#FlatCAM.CNCjob.polygon2gcode" title="Permalink to this definition">¶</a></dt>
+<tt class="descname">polygon2gcode</tt><big>(</big><em>polygon</em>, <em>tolerance=0</em><big>)</big><a class="headerlink" href="#FlatCAM.CNCjob.polygon2gcode" title="Permalink to this definition">¶</a></dt>
 <dd><p>Creates G-Code for the exterior and all interior paths
 of a polygon.</p>
 <table class="docutils field-list" frame="void" rules="none">
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>polygon</strong> (<em>Shapely.Polygon</em>) &#8211; A Shapely.Polygon</td>
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
+<li><strong>polygon</strong> (<em>Shapely.Polygon</em>) &#8211; A Shapely.Polygon</li>
+<li><strong>tolerance</strong> &#8211; All points in the simplified object will be within the</li>
+</ul>
+</td>
 </tr>
 </tbody>
 </table>
+<p>tolerance distance of the original geometry.
+:type tolerance: float
+:return: G-code to cut along polygon.
+:rtype: str</p>
 </dd></dl>
 
 <dl class="method">
 <dt id="FlatCAM.CNCjob.pre_parse">
 <tt class="descname">pre_parse</tt><big>(</big><em>gtext</em><big>)</big><a class="headerlink" href="#FlatCAM.CNCjob.pre_parse" title="Permalink to this definition">¶</a></dt>
-<dd><p>gtext is a single string with g-code</p>
+<dd><p>Separates parts of the G-Code text into a list of dictionaries.
+Used by <tt class="docutils literal"><span class="pre">self.gcode_parse()</span></tt>.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>gtext</strong> &#8211; A single string with g-code</td>
+</tr>
+</tbody>
+</table>
 </dd></dl>
 
 <dl class="method">
@@ -2144,6 +2323,20 @@ and options.</p>
 </table>
 </dd></dl>
 
+<dl class="method">
+<dt id="FlatCAM.FlatCAMGerber.plot">
+<tt class="descname">plot</tt><big>(</big><em>figure</em><big>)</big><a class="headerlink" href="#FlatCAM.FlatCAMGerber.plot" title="Permalink to this definition">¶</a></dt>
+<dd><p>Plots the object on to the specified figure.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>figure</strong> &#8211; Matplotlib figure on which to plot.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
 </dd></dl>
 
 <dl class="class">