Merge pull request #4216 from Ultimaker/feature_adjust_zoom_to_printer_size

Adjust maximum zoom to printer size

cura/BuildVolume.py

@@ -3,6 +3,7 @@
 
 from cura.Scene.CuraSceneNode import CuraSceneNode
 from cura.Settings.ExtruderManager import ExtruderManager
+from UM.Application import Application #To modify the maximum zoom level.
 from UM.i18n import i18nCatalog
 from UM.Scene.Platform import Platform
 from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
@@ -170,6 +171,12 @@ class BuildVolume(SceneNode):
         if shape:
             self._shape = shape
 
+    ##  Get the length of the 3D diagonal through the build volume.
+    #
+    #   This gives a sense of the scale of the build volume in general.
+    def getDiagonalSize(self) -> float:
+        return math.sqrt(self._width * self._width + self._height * self._height + self._depth * self._depth)
+
     def getDisallowedAreas(self) -> List[Polygon]:
         return self._disallowed_areas
 
@@ -552,6 +559,10 @@ class BuildVolume(SceneNode):
             if self._engine_ready:
                 self.rebuild()
 
+            camera = Application.getInstance().getController().getCameraTool()
+            if camera:
+                camera.setZoomRange(min = 1, max = self.getDiagonalSize() * 5) #You can zoom out up to 5 times the diagonal. This gives some space around the volume.
+
     def _onEngineCreated(self):
         self._engine_ready = True
         self.rebuild()

cura/CuraActions.py

@@ -50,7 +50,8 @@ class CuraActions(QObject):
         scene = cura.CuraApplication.CuraApplication.getInstance().getController().getScene()
         camera = scene.getActiveCamera()
         if camera:
-            camera.setPosition(Vector(-80, 250, 700))
+            diagonal_size = cura.CuraApplication.CuraApplication.getInstance().getBuildVolume().getDiagonalSize()
+            camera.setPosition(Vector(-80, 250, 700) * diagonal_size / 375)
             camera.setPerspective(True)
             camera.lookAt(Vector(0, 0, 0))
 

cura/CuraApplication.py

@@ -780,7 +780,7 @@ class CuraApplication(QtApplication):
         # Initialize camera
         root = controller.getScene().getRoot()
         camera = Camera("3d", root)
-        camera.setPosition(Vector(-80, 250, 700))
+        camera.setPosition(Vector(-80, 250, 700) * self.getBuildVolume().getDiagonalSize() / 375)
         camera.setPerspective(True)
         camera.lookAt(Vector(0, 0, 0))
         controller.getScene().setActiveCamera("3d")