- in Geometry Editor - added a new feature: Simplification. It will greatly reduce the number of vertex points in a geometry element selected in the Geometry Table thus potentially greatly reducing the resulting GCode number of lines

CHANGELOG.md

@@ -13,6 +13,7 @@ CHANGELOG for FlatCAM beta
 - in Geometry Editor - made sure that the edited Geometry do not contain Shapely Points and that when adding shapes, that the geometry of that shapes is valid and non empty and it is not a Shapely Point
 - in Geometry Editor - added new information's (length, coordinates and vertex points number) for the geometric element selected in the Geometry Table
 - in Geometry Editor - added more parameters displayed for the geometric elements selected in the Geometry Table: is_valid, is_empty, is_ccw, is_simple, is_ring
+- in Geometry Editor - added a new feature: Simplification. It will greatly reduce the number of vertex points in a geometry element selected in the Geometry Table thus potentially greatly reducing the resulting GCode number of lines
 
 26.11.2020
 

appEditors/AppGeoEditor.py

@@ -3392,12 +3392,17 @@ class AppGeoEditor(QtCore.QObject):
         self.geo_font.setBold(True)
         self.geo_parent = self.tw.invisibleRootItem()
 
+        separator_line = QtWidgets.QFrame()
+        separator_line.setFrameShape(QtWidgets.QFrame.HLine)
+        separator_line.setFrameShadow(QtWidgets.QFrame.Sunken)
+        grid0.addWidget(separator_line, 3, 0, 1, 2)
+
         # Parameters Title
         param_title = FCLabel('<b>%s</b>:' % _("Parameters"))
         param_title.setToolTip(
             _("Geometry parameters.")
         )
-        grid0.addWidget(param_title, 4, 0)
+        grid0.addWidget(param_title, 4, 0, 1, 2)
 
         # Is Valid
         is_valid_lbl = FCLabel('<b>%s</b>:' % _("Is Valid"))
@@ -3463,6 +3468,47 @@ class AppGeoEditor(QtCore.QObject):
         grid0.addWidget(vertex_lbl, 22, 0)
         grid0.addWidget(self.geo_vertex_entry, 22, 1)
 
+        separator_line = QtWidgets.QFrame()
+        separator_line.setFrameShape(QtWidgets.QFrame.HLine)
+        separator_line.setFrameShadow(QtWidgets.QFrame.Sunken)
+        grid0.addWidget(separator_line, 23, 0, 1, 2)
+
+        # Simplification
+        simplif_lbl = FCLabel('<b>%s</b>:' % _("Simplification"))
+        simplif_lbl.setToolTip(
+            _("Simplify a geometry element by reducing its vertex points number.")
+        )
+        grid0.addWidget(simplif_lbl, 24, 0, 1, 2)
+
+        simplification_tol_lbl = FCLabel('<b>%s</b>:' % _("Tolerance"))
+        simplification_tol_lbl.setToolTip(
+            _("All points in the simplified object will be\n"
+              "within the tolerance distance of the original geometry.")
+        )
+        self.geo_tol_entry = FCDoubleSpinner()
+        self.geo_tol_entry.set_precision(self.decimals)
+        self.geo_tol_entry.setSingleStep(0.001)
+        self.geo_tol_entry.setWrapping(True)
+        self.geo_tol_entry.set_range(-10000.0000, 10000.0000)
+        self.geo_tol_entry.set_value(10 ** -self.decimals)
+
+        grid0.addWidget(simplification_tol_lbl, 26, 0)
+        grid0.addWidget(self.geo_tol_entry, 26, 1)
+
+        self.simplification_btn = FCButton(_("Simplify"))
+        self.simplification_btn.setIcon(QtGui.QIcon(self.app.resource_location + '/simplify32.png'))
+        self.simplification_btn.setToolTip(
+            _("Simplify a geometry element by reducing its vertex points number.")
+        )
+        self.simplification_btn.setStyleSheet("""
+                                              QPushButton
+                                              {
+                                                  font-weight: bold;
+                                              }
+                                              """)
+
+        grid0.addWidget(self.simplification_btn, 27, 0, 1, 2)
+
         layout.addStretch()
 
         # Editor
@@ -3618,6 +3664,8 @@ class AppGeoEditor(QtCore.QObject):
 
         self.transform_complete.connect(self.on_transform_complete)
 
+        self.simplification_btn.clicked.connect(self.on_simplification_click)
+
         # Event signals disconnect id holders
         self.mp = None
         self.mm = None
@@ -3817,6 +3865,29 @@ class AppGeoEditor(QtCore.QObject):
 
         self.replot()
 
+    def on_simplification_click(self):
+        selected_shapes = []
+        selected_shapes_geos = []
+        tol = self.geo_tol_entry.get_value()
+
+        selected_tree_items = self.tw.selectedItems()
+        for sel in selected_tree_items:
+            for obj_shape in self.storage.get_objects():
+                try:
+                    if id(obj_shape) == int(sel.text(0)):
+                        selected_shapes.append(obj_shape)
+                        selected_shapes_geos.append(obj_shape.geo.simplify(tolerance=tol))
+                except ValueError:
+                    pass
+
+        for shape in selected_shapes:
+            self.delete_shape(shape=shape)
+
+        for geo in selected_shapes_geos:
+            self.add_shape(DrawToolShape(geo))
+
+        self.build_ui_sig.emit()
+
     def activate(self):
         # adjust the status of the menu entries related to the editor
         self.app.ui.menueditedit.setDisabled(True)