fixed some issues of the support model plugins (not finished)

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@1165 bbaffbd6-741e-11dd-a85d-61de82d9cad9

share/ui/model_support.ui

@@ -18,7 +18,7 @@
                 <property name="orientation">vertical</property>
                 <property name="spacing">5</property>
                 <child>
-                  <object class="GtkHBox" id="hbox26">
+                  <object class="GtkHButtonBox" id="hbuttonbox1">
                     <property name="visible">True</property>
                     <child>
                       <object class="GtkComboBox" id="SupportGridTypesControl">
@@ -39,12 +39,21 @@
                       </packing>
                     </child>
                     <child>
-                      <placeholder/>
+                      <object class="GtkButton" id="CreateSupportModel">
+                        <property name="label" translatable="yes">Create support model</property>
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="receives_default">True</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">False</property>
+                        <property name="position">1</property>
+                      </packing>
                     </child>
                   </object>
                   <packing>
                     <property name="expand">False</property>
-                    <property name="fill">False</property>
                     <property name="position">0</property>
                   </packing>
                 </child>

src/pycam/Gui/OpenGLTools.py

@@ -105,7 +105,7 @@ def draw_complete_model_view(settings):
             GL.glFinish()
             obj.to_OpenGL()
     # draw the support grid
-    if settings.get("show_support_grid") and settings.get("current_support_model"):
+    if False and settings.get("show_support_grid") and settings.get("current_support_model"):
         GL.glColor4f(*settings.get("color_support_grid"))
         # we need to wait until the color change is active
         GL.glFinish()

src/pycam/PathGenerators/EngraveCutter.py

@@ -86,6 +86,6 @@ class EngraveCutter(object):
             draw_callback(text="Engrave: processing layer" + \
                 "%d/%d" % (current_layer + 1, num_of_layers))
         drop_generator.GenerateToolPath(cutter, [model], drop_layers,
-                minz=None, maxz=None)
+                minz=minz, maxz=maxz)
         return self.pa_push.paths + self.pa_drop.paths
 

src/pycam/Plugins/ModelSupport.py

@@ -99,6 +99,8 @@ class ModelSupport(pycam.Plugins.PluginBase):
             self.core.set("support_grid_height", 0.5)
             self.core.set("support_grid_type", "none")
             # prepare GUI
+            self.gui.get_object("CreateSupportModel").connect("clicked",
+                    self._add_support_model)
             self._update_widgets()
         return True
 
@@ -125,6 +127,11 @@ class ModelSupport(pycam.Plugins.PluginBase):
     def _support_model_changed(self, widget=None):
         self.core.emit_event("support-model-changed")
 
+    def _add_support_model(self, widget=None):
+        model = self.core.get("current_support_model")
+        if model:
+            self.core.get("models").append(model)
+
     def update_support_model(self, widget=None):
         grid_type = self.core.get("support_model_type")
         if grid_type == "none":

src/pycam/Plugins/ModelSupportGrid.py

@@ -24,6 +24,7 @@ along with PyCAM.  If not, see <http://www.gnu.org/licenses/>.
 #import gtk
 
 import pycam.Plugins
+import pycam.Geometry.Model
 
 
 class ModelSupportGrid(pycam.Plugins.PluginBase):
@@ -135,6 +136,8 @@ class ModelSupportGrid(pycam.Plugins.PluginBase):
         grid_type = self.core.get("support_model_type")
         if grid_type == "grid": 
             s = self.core
+            support_grid = None
+            low, high = self._get_bounds()
             if (s.get("support_grid_thickness") > 0) \
                     and ((s.get("support_grid_distance_x") > 0) \
                         or (s.get("support_grid_distance_y") > 0)) \
@@ -146,8 +149,8 @@ class ModelSupportGrid(pycam.Plugins.PluginBase):
                             > s.get("support_grid_thickness"))) \
                     and (s.get("support_grid_height") > 0):
                 support_grid = pycam.Toolpath.SupportGrid.get_support_grid(
-                        s.get("minx"), s.get("maxx"), s.get("miny"), s.get("maxy"),
-                        s.get("minz"), s.get("support_grid_distance_x"),
+                        low[0], high[0], low[1], high[1], low[2],
+                        s.get("support_grid_distance_x"),
                         s.get("support_grid_distance_y"),
                         s.get("support_grid_thickness"),
                         s.get("support_grid_height"),
@@ -239,8 +242,9 @@ class ModelSupportGrid(pycam.Plugins.PluginBase):
         model.clear()
         s = self.core
         # get the toolpath without adjustments
+        low, high = self._get_bounds()
         base_x, base_y = pycam.Toolpath.SupportGrid.get_support_grid_locations(
-                s.get("minx"), s.get("maxx"), s.get("miny"), s.get("maxy"),
+                low[0], high[0], low[1], high[1],
                 s.get("support_grid_distance_x"),
                 s.get("support_grid_distance_y"),
                 offset_x=s.get("support_grid_offset_x"),
@@ -270,3 +274,14 @@ class ModelSupportGrid(pycam.Plugins.PluginBase):
         else:
             self.grid_adjustment_selector.set_active(-1)
 
+    def _get_bounds(self):
+        models = self.core.get("models").get_selected()
+        low, high = pycam.Geometry.Model.get_combined_bounds(models)
+        if None in low or None in high:
+            return [0, 0, 0], [0, 0, 0]
+        else:
+            # TODO: the x/y offset should be configurable via a control
+            for index in range(2):
+                low[index] -= 5
+                high[index] += 5
+            return low, high

src/pycam/Plugins/OpenGLViewModel.py

@@ -38,6 +38,10 @@ class OpenGLViewModel(pycam.Plugins.PluginBase):
         self._gtk = gtk
         self._GL = OpenGL.GL
         self.core.register_event("visualize-items", self.draw_model)
+        self.core.register_event("model-changed",
+                lambda: self.core.emit_event("visual-item-updated"))
+        self.core.register_event("model-list-changed",
+                lambda: self.core.emit_event("visual-item-updated"))
         self.core.emit_event("visual-item-updated")
         self._cache = {}
         return True

src/pycam/Toolpath/MotionGrid.py

@@ -271,10 +271,13 @@ def get_lines_grid(models, bounds, layer_distance, line_distance=None,
         low, high = bounds
     # the lower limit is never below the model
     polygons = _get_sorted_polygons(models, callback=callback)
-    low_limit_lines = min([polygon.minz for polygon in polygons])
-    low[2] = max(low[2], low_limit_lines)
+    if polygons:
+        low_limit_lines = min([polygon.minz for polygon in polygons])
+        low[2] = max(low[2], low_limit_lines)
     lines = []
     for polygon in polygons:
+        if callback:
+            callback()
         if polygon.is_closed and \
                 (milling_style == MILLING_STYLE_CONVENTIONAL):
             polygon = polygon.copy()
@@ -295,10 +298,14 @@ def get_lines_grid(models, bounds, layer_distance, line_distance=None,
     if layers:
         # the upper layers are used for PushCutter operations
         for z in layers[:-1]:
+            if callback:
+                callback()
             yield get_lines_layer(lines, z, last_z=last_z, step_width=None,
                     milling_style=milling_style)
             last_z = z
         # the last layer is used for a DropCutter operation
+        if callback:
+            callback()
         yield get_lines_layer(lines, layers[-1], last_z=last_z,
                 step_width=step_width, milling_style=milling_style)