def read(self, file_name):
        mesh_builder = MeshBuilder()
        scene_node = SceneNode()

        if use_numpystl:
            self._loadWithNumpySTL(file_name, mesh_builder)
        else:
            f = open(file_name, "rb")
            if not self._loadBinary(mesh_builder, f):
                f.close()
                f = open(file_name, "rt")
                try:
                    self._loadAscii(mesh_builder, f)
                except UnicodeDecodeError:
                    return None
                f.close()

            Job.yieldThread() # Yield somewhat to ensure the GUI has time to update a bit.

        mesh_builder.calculateNormals(fast = True)

        mesh = mesh_builder.build()
        Logger.log("d", "Loaded a mesh with %s vertices", mesh_builder.getVertexCount())
        scene_node.setMeshData(mesh)
        return scene_node
Exemple #2
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    def __init__(self, node, hull, thickness, parent = None):
        super().__init__(parent)

        self.setCalculateBoundingBox(False)

        self._original_parent = parent

        # Color of the drawn convex hull
        if Application.getInstance().hasGui():
            self._color = Color(*Application.getInstance().getTheme().getColor("convex_hull").getRgb())
        else:
            self._color = Color(0, 0, 0)

        # The y-coordinate of the convex hull mesh. Must not be 0, to prevent z-fighting.
        self._mesh_height = 0.1

        self._thickness = thickness

        # The node this mesh is "watching"
        self._node = node
        self._convex_hull_head_mesh = None

        self._node.decoratorsChanged.connect(self._onNodeDecoratorsChanged)
        self._onNodeDecoratorsChanged(self._node)

        self._hull = hull
        if self._hull:
            hull_mesh_builder = MeshBuilder()

            if hull_mesh_builder.addConvexPolygonExtrusion(
                self._hull.getPoints()[::-1],  # bottom layer is reversed
                self._mesh_height-thickness, self._mesh_height, color=self._color):

                hull_mesh = hull_mesh_builder.build()
                self.setMeshData(hull_mesh)
Exemple #3
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    def _createEraserMesh(self, parent: CuraSceneNode, position: Vector):
        node = CuraSceneNode()

        node.setName("Eraser")
        node.setSelectable(True)
        mesh = MeshBuilder()
        mesh.addCube(10,10,10)
        node.setMeshData(mesh.build())

        active_build_plate = Application.getInstance().getMultiBuildPlateModel().activeBuildPlate
        node.addDecorator(BuildPlateDecorator(active_build_plate))
        node.addDecorator(SliceableObjectDecorator())

        stack = node.callDecoration("getStack") # created by SettingOverrideDecorator that is automatically added to CuraSceneNode
        settings = stack.getTop()

        definition = stack.getSettingDefinition("anti_overhang_mesh")
        new_instance = SettingInstance(definition, settings)
        new_instance.setProperty("value", True)
        new_instance.resetState()  # Ensure that the state is not seen as a user state.
        settings.addInstance(new_instance)

        op = GroupedOperation()
        # First add node to the scene at the correct position/scale, before parenting, so the eraser mesh does not get scaled with the parent
        op.addOperation(AddSceneNodeOperation(node, self._controller.getScene().getRoot()))
        op.addOperation(SetParentOperation(node, parent))
        op.push()
        node.setPosition(position, CuraSceneNode.TransformSpace.World)

        Application.getInstance().getController().getScene().sceneChanged.emit(node)
Exemple #4
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    def _onNodeDecoratorsChanged(self, node):
        convex_hull_head = self._node.callDecoration("getConvexHullHead")
        if convex_hull_head:
            convex_hull_head_builder = MeshBuilder()
            convex_hull_head_builder.addConvexPolygon(convex_hull_head.getPoints(), self._mesh_height - self._thickness)
            self._convex_hull_head_mesh = convex_hull_head_builder.build()

        if not node:
            return
Exemple #5
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    def createMeshOrJumps(self, make_mesh):
        builder = MeshBuilder()

        for polygon in self._polygons:
            if make_mesh and (polygon.type == Polygon.MoveCombingType or polygon.type == Polygon.MoveRetractionType):
                continue
            if not make_mesh and not (polygon.type == Polygon.MoveCombingType or polygon.type == Polygon.MoveRetractionType):
                continue
            
            poly_color = polygon.getColor()

            points = numpy.copy(polygon.data)
            if polygon.type == Polygon.InfillType or polygon.type == Polygon.SkinType or polygon.type == Polygon.SupportInfillType:
                points[:,1] -= 0.01
            if polygon.type == Polygon.MoveCombingType or polygon.type == Polygon.MoveRetractionType:
                points[:,1] += 0.01

            # Calculate normals for the entire polygon using numpy.
            normals = numpy.copy(points)
            normals[:,1] = 0.0 # We are only interested in 2D normals

            # Calculate the edges between points.
            # The call to numpy.roll shifts the entire array by one so that
            # we end up subtracting each next point from the current, wrapping
            # around. This gives us the edges from the next point to the current
            # point.
            normals[:] = normals[:] - numpy.roll(normals, -1, axis = 0)
            # Calculate the length of each edge using standard Pythagoras
            lengths = numpy.sqrt(normals[:,0] ** 2 + normals[:,2] ** 2)
            # The normal of a 2D vector is equal to its x and y coordinates swapped
            # and then x inverted. This code does that.
            normals[:,[0, 2]] = normals[:,[2, 0]]
            normals[:,0] *= -1

            # Normalize the normals.
            normals[:,0] /= lengths
            normals[:,2] /= lengths

            # Scale all by the line width of the polygon so we can easily offset.
            normals *= (polygon.lineWidth / 2)

            #TODO: Use numpy magic to perform the vertex creation to speed up things.
            for i in range(len(points)):
                start = points[i - 1]
                end = points[i]

                normal = normals[i - 1]

                point1 = Vector(data = start - normal)
                point2 = Vector(data = start + normal)
                point3 = Vector(data = end + normal)
                point4 = Vector(data = end - normal)

                builder.addQuad(point1, point2, point3, point4, color = poly_color)

        return builder.getData()
Exemple #6
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    def read(self, file_name):
        try:
            self.defs = {}
            self.shapes = []
            
            tree = ET.parse(file_name)
            xml_root = tree.getroot()
            
            if xml_root.tag != "X3D":
                return None

            scale = 1000 # Default X3D unit it one meter, while Cura's is one millimeters            
            if xml_root[0].tag == "head":
                for head_node in xml_root[0]:
                    if head_node.tag == "unit" and head_node.attrib.get("category") == "length":
                        scale *= float(head_node.attrib["conversionFactor"])
                        break 
                xml_scene = xml_root[1]
            else:
                xml_scene = xml_root[0]
                
            if xml_scene.tag != "Scene":
                return None
            
            self.transform = Matrix()
            self.transform.setByScaleFactor(scale)
            self.index_base = 0
            
            # Traverse the scene tree, populate the shapes list
            self.processChildNodes(xml_scene)
            
            if self.shapes:
                builder = MeshBuilder()
                builder.setVertices(numpy.concatenate([shape.verts for shape in self.shapes]))
                builder.setIndices(numpy.concatenate([shape.faces for shape in self.shapes]))
                builder.calculateNormals()
                builder.setFileName(file_name)
                mesh_data = builder.build()

                # Manually try and get the extents of the mesh_data. This should prevent nasty NaN issues from
                # leaving the reader.
                mesh_data.getExtents()

                node = SceneNode()
                node.setMeshData(mesh_data)
                node.setSelectable(True)
                node.setName(file_name)

            else:
                return None
            
        except Exception:
            Logger.logException("e", "Exception in X3D reader")
            return None

        return node
def test_compute2DConvexHullMeshData(convex_hull_decorator):
    node = SceneNode()
    mb = MeshBuilder()
    mb.addCube(10,10,10)
    node.setMeshData(mb.build())

    convex_hull_decorator._getSettingProperty = MagicMock(return_value = 0)

    with patch("UM.Application.Application.getInstance", MagicMock(return_value=mocked_application)):
        convex_hull_decorator.setNode(node)

    assert convex_hull_decorator._compute2DConvexHull() == Polygon([[5.0,-5.0], [-5.0,-5.0], [-5.0,5.0], [5.0,5.0]])
Exemple #8
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def test_getExtents():
    # Create a cube mesh at position 0,0,0
    builder = MeshBuilder()
    builder.addCube(20, 20, 20)
    mesh_data = builder.build()

    extents = mesh_data.getExtents()
    assert extents.width == 20
    assert extents.height == 20
    assert extents.depth == 20

    assert extents.maximum == Vector(10, 10, 10)
    assert extents.minimum == Vector(-10, -10, -10)
Exemple #9
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def test_readASCII(application):
    reader = STLReader.STLReader()
    ascii_path = os.path.join(test_path, "simpleTestCubeASCII.stl")
    result = reader.read(ascii_path)
    assert result

    if STLReader.use_numpystl:
        # If the system the test runs on supports numpy stl, we should also check the non numpy stl option.
        f = open(ascii_path, "rt", encoding = "utf-8")
        mesh_builder = MeshBuilder()
        reader._loadAscii(mesh_builder, f)
        mesh_builder.calculateNormals(fast=True)

        assert mesh_builder.getVertexCount() != 0
Exemple #10
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    def createHullMesh(self, hull_points):
        # Input checking.
        if len(hull_points) < 3:
            return None

        mesh_builder = MeshBuilder()
        point_first = Vector(hull_points[0][0], self._mesh_height, hull_points[0][1])
        point_previous = Vector(hull_points[1][0], self._mesh_height, hull_points[1][1])
        for point in hull_points[2:]:  # Add the faces in the order of a triangle fan.
            point_new = Vector(point[0], self._mesh_height, point[1])
            mesh_builder.addFace(point_first, point_previous, point_new, color = self._color)
            point_previous = point_new  # Prepare point_previous for the next triangle.

        return mesh_builder.build()
Exemple #11
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def test_readBinary(application):
    reader = STLReader.STLReader()
    binary_path = os.path.join(test_path, "simpleTestCubeBinary.stl")
    result = reader.read(binary_path)

    if STLReader.use_numpystl:
        # If the system the test runs on supporst numpy stl, we should also check the non numpy stl option.
        f = open(binary_path, "rb")
        mesh_builder = MeshBuilder()
        reader._loadBinary(mesh_builder, f)
        mesh_builder.calculateNormals(fast=True)

        assert mesh_builder.getVertexCount() != 0
    assert result
Exemple #12
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def test_getExtentsTransposed():
    # Create a cube mesh at position 0,0,0
    builder = MeshBuilder()
    builder.addCube(20, 20, 20)
    mesh_data = builder.build()

    transformation_matrix = Matrix()
    transformation_matrix.setByTranslation(Vector(10, 10, 10))

    extents = mesh_data.getExtents(transformation_matrix)
    assert extents.width == 20
    assert extents.height == 20
    assert extents.depth == 20

    assert extents.maximum == Vector(20, 20, 20)
    assert extents.minimum == Vector(0, 0, 0)
def test_compute2DConvexHullMeshDataGrouped(convex_hull_decorator):
    parent_node = SceneNode()
    parent_node.addDecorator(GroupDecorator())
    node = SceneNode()
    parent_node.addChild(node)

    mb = MeshBuilder()
    mb.addCube(10, 10, 10)
    node.setMeshData(mb.build())

    convex_hull_decorator._getSettingProperty = MagicMock(return_value=0)

    with patch("UM.Application.Application.getInstance", MagicMock(return_value=mocked_application)):
        convex_hull_decorator.setNode(parent_node)
        with patch("cura.Settings.ExtruderManager.ExtruderManager.getInstance"):
            copied_decorator = copy.deepcopy(convex_hull_decorator)
            copied_decorator._getSettingProperty = MagicMock(return_value=0)
        node.addDecorator(copied_decorator)
    assert convex_hull_decorator._compute2DConvexHull() == Polygon([[-5.0,5.0], [5.0,5.0], [5.0,-5.0], [-5.0,-5.0]])
Exemple #14
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    def run(self):
        layer_data = None
        for node in DepthFirstIterator(self._scene.getRoot()):
            layer_data = node.callDecoration("getLayerData")
            if layer_data:
                break

        if self._cancel or not layer_data:
            return

        layer_mesh = MeshBuilder()
        for i in range(self._solid_layers):
            layer_number = self._layer_number - i
            if layer_number < 0:
                continue

            try:
                layer = layer_data.getLayer(layer_number).createMesh()
            except Exception:
                Logger.logException("w", "An exception occurred while creating layer mesh.")
                return

            if not layer or layer.getVertices() is None:
                continue

            layer_mesh.addIndices(layer_mesh.getVertexCount() + layer.getIndices())
            layer_mesh.addVertices(layer.getVertices())

            # Scale layer color by a brightness factor based on the current layer number
            # This will result in a range of 0.5 - 1.0 to multiply colors by.
            brightness = numpy.ones((1, 4), dtype=numpy.float32) * (2.0 - (i / self._solid_layers)) / 2.0
            brightness[0, 3] = 1.0
            layer_mesh.addColors(layer.getColors() * brightness)

            if self._cancel:
                return

            Job.yieldThread()

        if self._cancel:
            return

        Job.yieldThread()
        jump_mesh = layer_data.getLayer(self._layer_number).createJumps()
        if not jump_mesh or jump_mesh.getVertices() is None:
            jump_mesh = None

        self.setResult({"layers": layer_mesh.build(), "jumps": jump_mesh})
Exemple #15
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    def read(self, file_name):
        mesh_builder = MeshBuilder()
        scene_node = SceneNode()

        self.load_file(file_name, mesh_builder, _use_numpystl = use_numpystl)

        mesh = mesh_builder.build()

        if use_numpystl:
            verts = mesh.getVertices()
            # In some cases numpy stl reads incorrectly and the result is that the Z values are all 0
            # Add new error cases if you find them.
            if numpy.amin(verts[:, 1]) == numpy.amax(verts[:, 1]):
                # Something may have gone wrong in numpy stl, start over without numpy stl
                Logger.log("w", "All Z coordinates are the same using numpystl, trying again without numpy stl.")
                mesh_builder = MeshBuilder()
                self.load_file(file_name, mesh_builder, _use_numpystl = False)
                mesh = mesh_builder.build()

                verts = mesh.getVertices()
                if numpy.amin(verts[:, 1]) == numpy.amax(verts[:, 1]):
                    Logger.log("e", "All Z coordinates are still the same without numpy stl... let's hope for the best")

        if mesh_builder.getVertexCount() == 0:
            Logger.log("d", "File did not contain valid data, unable to read.")
            return None  # We didn't load anything.
        scene_node.setMeshData(mesh)
        Logger.log("d", "Loaded a mesh with %s vertices", mesh_builder.getVertexCount())

        return scene_node
Exemple #16
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def test_render():
    mocked_shader = MagicMock()
    with patch("UM.View.GL.OpenGL.OpenGL.getInstance"):
        render_batch = RenderBatch(mocked_shader)

    # Render without a camera shouldn't cause any effect.
    render_batch.render(None)
    assert mocked_shader.bind.call_count == 0

    # Rendering with a camera should cause the shader to be bound and released (even if the batch is empty)
    mocked_camera = MagicMock()
    mocked_camera.getWorldTransformation = MagicMock(return_value = Matrix())
    mocked_camera.getViewProjectionMatrix = MagicMock(return_value=Matrix())
    with patch("UM.View.GL.OpenGLContext.OpenGLContext.properties"):
        render_batch.render(mocked_camera)
    assert mocked_shader.bind.call_count == 1
    assert mocked_shader.release.call_count == 1

    # Actualy render with an item in the batch
    mb = MeshBuilder()
    mb.addPyramid(10, 10, 10, color=Color(0.0, 1.0, 0.0, 1.0))
    mb.calculateNormals()
    mesh_data = mb.build()
    render_batch.addItem(Matrix(), mesh_data, {})
    with patch("UM.View.GL.OpenGL.OpenGL.getInstance"):
        with patch("UM.View.GL.OpenGLContext.OpenGLContext.properties"):
            render_batch.render(mocked_camera)
    assert mocked_shader.bind.call_count == 2
    assert mocked_shader.release.call_count == 2
Exemple #17
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    def createMeshOrJumps(self, make_mesh):
        builder = MeshBuilder()

        for polygon in self._polygons:
            if make_mesh and (polygon.type == LayerPolygon.MoveCombingType or polygon.type == LayerPolygon.MoveRetractionType):
                continue
            if not make_mesh and not (polygon.type == LayerPolygon.MoveCombingType or polygon.type == LayerPolygon.MoveRetractionType):
                continue

            poly_color = polygon.getColor()

            points = numpy.copy(polygon.data)
            if polygon.type == LayerPolygon.InfillType or polygon.type == LayerPolygon.SkinType or polygon.type == LayerPolygon.SupportInfillType:
                points[:,1] -= 0.01
            if polygon.type == LayerPolygon.MoveCombingType or polygon.type == LayerPolygon.MoveRetractionType:
                points[:,1] += 0.01

            normals = polygon.getNormals()

            # Scale all by the line width of the polygon so we can easily offset.
            normals *= (polygon.lineWidth / 2)

            #TODO: Use numpy magic to perform the vertex creation to speed up things.
            for i in range(len(points)):
                start = points[i - 1]
                end = points[i]

                normal = normals[i - 1]

                point1 = Vector(data = start - normal)
                point2 = Vector(data = start + normal)
                point3 = Vector(data = end + normal)
                point4 = Vector(data = end - normal)

                builder.addQuad(point1, point2, point3, point4, color = poly_color)

        return builder.getData()
Exemple #18
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    def createMeshOrJumps(self, make_mesh):
        builder = MeshBuilder()
        
        line_count = 0
        if make_mesh:
            for polygon in self._polygons:
                line_count += polygon.meshLineCount
        else:
            for polygon in self._polygons:
                line_count += polygon.jumpCount

        # Reserve the neccesary space for the data upfront
        builder.reserveFaceAndVertexCount(2 * line_count, 4 * line_count)
        
        for polygon in self._polygons:
            # Filter out the types of lines we are not interesed in depending on whether we are drawing the mesh or the jumps.
            index_mask = numpy.logical_not(polygon.jumpMask) if make_mesh else polygon.jumpMask

            # Create an array with rows [p p+1] and only keep those we whant to draw based on make_mesh
            points = numpy.concatenate((polygon.data[:-1], polygon.data[1:]), 1)[index_mask.ravel()]
            # Line types of the points we want to draw
            line_types = polygon.types[index_mask]
            
            # Shift the z-axis according to previous implementation.
            if make_mesh:
                points[polygon.isInfillOrSkinType(line_types), 1::3] -= 0.01
            else:
                points[:, 1::3] += 0.01

            # Create an array with normals and tile 2 copies to match size of points variable
            normals = numpy.tile( polygon.getNormals()[index_mask.ravel()], (1, 2))

            # Scale all normals by the line width of the current line so we can easily offset.
            normals *= (polygon.lineWidths[index_mask.ravel()] / 2)

            # Create 4 points to draw each line segment, points +- normals results in 2 points each.
            # After this we reshape to one point per line.
            f_points = numpy.concatenate((points-normals, points+normals), 1).reshape((-1, 3))

            # __index_pattern defines which points to use to draw the two faces for each lines egment, the following linesegment is offset by 4
            f_indices = ( self.__index_pattern + numpy.arange(0, 4 * len(normals), 4, dtype=numpy.int32).reshape((-1, 1)) ).reshape((-1, 3))
            f_colors = numpy.repeat(polygon.mapLineTypeToColor(line_types), 4, 0)

            builder.addFacesWithColor(f_points, f_indices, f_colors)
        
        return builder.build()
Exemple #19
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    def _createCube(self, size):
        mesh = MeshBuilder()

        # Can't use MeshBuilder.addCube() because that does not get per-vertex normals
        # Per-vertex normals require duplication of vertices
        s = size / 2
        verts = [ # 6 faces with 4 corners each
            [-s, -s,  s], [-s,  s,  s], [ s,  s,  s], [ s, -s,  s],
            [-s,  s, -s], [-s, -s, -s], [ s, -s, -s], [ s,  s, -s],
            [ s, -s, -s], [-s, -s, -s], [-s, -s,  s], [ s, -s,  s],
            [-s,  s, -s], [ s,  s, -s], [ s,  s,  s], [-s,  s,  s],
            [-s, -s,  s], [-s, -s, -s], [-s,  s, -s], [-s,  s,  s],
            [ s, -s, -s], [ s, -s,  s], [ s,  s,  s], [ s,  s, -s]
        ]
        mesh.setVertices(numpy.asarray(verts, dtype=numpy.float32))

        indices = []
        for i in range(0, 24, 4): # All 6 quads (12 triangles)
            indices.append([i, i+2, i+1])
            indices.append([i, i+3, i+2])
        mesh.setIndices(numpy.asarray(indices, dtype=numpy.int32))

        mesh.calculateNormals()
        return mesh
Exemple #20
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    def _convertSavitarNodeToUMNode(self, savitar_node):
        self._object_count += 1
        node_name = "Object %s" % self._object_count

        active_build_plate = Application.getInstance().getMultiBuildPlateModel().activeBuildPlate

        um_node = CuraSceneNode() # This adds a SettingOverrideDecorator
        um_node.addDecorator(BuildPlateDecorator(active_build_plate))
        um_node.setName(node_name)
        transformation = self._createMatrixFromTransformationString(savitar_node.getTransformation())
        um_node.setTransformation(transformation)
        mesh_builder = MeshBuilder()

        data = numpy.fromstring(savitar_node.getMeshData().getFlatVerticesAsBytes(), dtype=numpy.float32)

        vertices = numpy.resize(data, (int(data.size / 3), 3))
        mesh_builder.setVertices(vertices)
        mesh_builder.calculateNormals(fast=True)
        mesh_data = mesh_builder.build()

        if len(mesh_data.getVertices()):
            um_node.setMeshData(mesh_data)

        for child in savitar_node.getChildren():
            child_node = self._convertSavitarNodeToUMNode(child)
            if child_node:
                um_node.addChild(child_node)

        if um_node.getMeshData() is None and len(um_node.getChildren()) == 0:
            return None

        settings = savitar_node.getSettings()

        # Add the setting override decorator, so we can add settings to this node.
        if settings:
            global_container_stack = Application.getInstance().getGlobalContainerStack()

            # Ensure the correct next container for the SettingOverride decorator is set.
            if global_container_stack:
                default_stack = ExtruderManager.getInstance().getExtruderStack(0)

                if default_stack:
                    um_node.callDecoration("setActiveExtruder", default_stack.getId())

                # Get the definition & set it
                definition_id = getMachineDefinitionIDForQualitySearch(global_container_stack.definition)
                um_node.callDecoration("getStack").getTop().setDefinition(definition_id)

            setting_container = um_node.callDecoration("getStack").getTop()

            for key in settings:
                setting_value = settings[key]

                # Extruder_nr is a special case.
                if key == "extruder_nr":
                    extruder_stack = ExtruderManager.getInstance().getExtruderStack(int(setting_value))
                    if extruder_stack:
                        um_node.callDecoration("setActiveExtruder", extruder_stack.getId())
                    else:
                        Logger.log("w", "Unable to find extruder in position %s", setting_value)
                    continue
                setting_container.setProperty(key, "value", setting_value)

        if len(um_node.getChildren()) > 0 and um_node.getMeshData() is None:
            group_decorator = GroupDecorator()
            um_node.addDecorator(group_decorator)
        um_node.setSelectable(True)
        if um_node.getMeshData():
            # Assuming that all nodes with mesh data are printable objects
            # affects (auto) slicing
            sliceable_decorator = SliceableObjectDecorator()
            um_node.addDecorator(sliceable_decorator)
        return um_node
Exemple #21
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    def __init__(self, parent = None):
        super().__init__(parent)
        self._handle_width = 8
        self._handle_height = 14
        self._handle_position = 20

        mb = MeshBuilder()

        mb.addPyramid(
            width = self._handle_width,
            height = self._handle_height,
            depth = self._handle_width,
            center = Vector(0, self._handle_position, 0),
            color = ToolHandle.YAxisColor
        )

        mb.addPyramid(
            width = self._handle_width,
            height = self._handle_height,
            depth = self._handle_width,
            center = Vector(0, -self._handle_position, 0),
            color = ToolHandle.YAxisColor,
            axis = Vector.Unit_X,
            angle = 180
        )

        mb.addPyramid(
            width = self._handle_width,
            height = self._handle_height,
            depth = self._handle_width,
            center = Vector(self._handle_position, 0, 0),
            color = ToolHandle.XAxisColor,
            axis = Vector.Unit_Z,
            angle = 90
        )

        mb.addPyramid(
            width = self._handle_width,
            height = self._handle_height,
            depth = self._handle_width,
            center = Vector(-self._handle_position, 0, 0),
            color = ToolHandle.XAxisColor,
            axis = Vector.Unit_Z,
            angle = -90
        )

        mb.addPyramid(
            width = self._handle_width,
            height = self._handle_height,
            depth = self._handle_width,
            center = Vector(0, 0, -self._handle_position),
            color = ToolHandle.ZAxisColor,
            axis = Vector.Unit_X,
            angle = 90
        )

        mb.addPyramid(
            width = self._handle_width,
            height = self._handle_height,
            depth = self._handle_width,
            center = Vector(0, 0, self._handle_position),
            color = ToolHandle.ZAxisColor,
            axis = Vector.Unit_X,
            angle = -90
        )

        self.setSolidMesh(mb.getData())
        self.setSelectionMesh(mb.getData())
Exemple #22
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    def rebuild(self):
        if self._width == 0 or self._height == 0 or self._depth == 0:
            return

        min_w = -self._width / 2
        max_w = self._width / 2
        min_h = 0.0
        max_h = self._height
        min_d = -self._depth / 2
        max_d = self._depth / 2

        mb = MeshBuilder()

        mb.addLine(Vector(min_w, min_h, min_d), Vector(max_w, min_h, min_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, max_h, min_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(min_w, max_h, min_d), Vector(max_w, max_h, min_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, max_h, min_d), color = self.VolumeOutlineColor)

        mb.addLine(Vector(min_w, min_h, max_d), Vector(max_w, min_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(min_w, min_h, max_d), Vector(min_w, max_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(min_w, max_h, max_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(max_w, min_h, max_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor)

        mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, min_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, min_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(min_w, max_h, min_d), Vector(min_w, max_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(max_w, max_h, min_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor)

        self.setMeshData(mb.getData())

        mb = MeshBuilder()
        mb.addQuad(
            Vector(min_w, min_h - 0.2, min_d),
            Vector(max_w, min_h - 0.2, min_d),
            Vector(max_w, min_h - 0.2, max_d),
            Vector(min_w, min_h - 0.2, max_d)
        )
        self._grid_mesh = mb.getData()
        for n in range(0, 6):
            v = self._grid_mesh.getVertex(n)
            self._grid_mesh.setVertexUVCoordinates(n, v[0], v[2])

        disallowed_area_height = 0.1
        disallowed_area_size = 0
        if self._disallowed_areas:
            mb = MeshBuilder()
            color = Color(0.0, 0.0, 0.0, 0.15)
            for polygon in self._disallowed_areas:
                points = polygon.getPoints()
                first = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height, self._clamp(points[0][1], min_d, max_d))
                previous_point = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height, self._clamp(points[0][1], min_d, max_d))
                for point in points:
                    new_point = Vector(self._clamp(point[0], min_w, max_w), disallowed_area_height, self._clamp(point[1], min_d, max_d))
                    mb.addFace(first, previous_point, new_point, color = color)
                    previous_point = new_point

                # Find the largest disallowed area to exclude it from the maximum scale bounds
                size = abs(numpy.max(points[:, 1]) - numpy.min(points[:, 1]))
                disallowed_area_size = max(size, disallowed_area_size)

            self._disallowed_area_mesh = mb.getData()
        else:
            self._disallowed_area_mesh = None

        self._aabb = AxisAlignedBox(minimum = Vector(min_w, min_h - 1.0, min_d), maximum = Vector(max_w, max_h, max_d))

        skirt_size = 0.0

        profile = Application.getInstance().getMachineManager().getActiveProfile()
        if profile:
            skirt_size = self._getSkirtSize(profile)

        scale_to_max_bounds = AxisAlignedBox(
            minimum = Vector(min_w + skirt_size, min_h, min_d + skirt_size + disallowed_area_size),
            maximum = Vector(max_w - skirt_size, max_h, max_d - skirt_size - disallowed_area_size)
        )

        Application.getInstance().getController().getScene()._maximum_bounds = scale_to_max_bounds
Exemple #23
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    def rebuild(self):
        if not self._width or not self._height or not self._depth:
            return

        min_w = -self._width / 2
        max_w = self._width / 2
        min_h = 0.0
        max_h = self._height
        min_d = -self._depth / 2
        max_d = self._depth / 2

        mb = MeshBuilder()

        # Outline 'cube' of the build volume
        mb.addLine(Vector(min_w, min_h, min_d), Vector(max_w, min_h, min_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, max_h, min_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(min_w, max_h, min_d), Vector(max_w, max_h, min_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, max_h, min_d), color = self.VolumeOutlineColor)

        mb.addLine(Vector(min_w, min_h, max_d), Vector(max_w, min_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(min_w, min_h, max_d), Vector(min_w, max_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(min_w, max_h, max_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(max_w, min_h, max_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor)

        mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, min_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, min_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(min_w, max_h, min_d), Vector(min_w, max_h, max_d), color = self.VolumeOutlineColor)
        mb.addLine(Vector(max_w, max_h, min_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor)

        self.setMeshData(mb.build())

        mb = MeshBuilder()
        mb.addQuad(
            Vector(min_w, min_h - 0.2, min_d),
            Vector(max_w, min_h - 0.2, min_d),
            Vector(max_w, min_h - 0.2, max_d),
            Vector(min_w, min_h - 0.2, max_d)
        )

        for n in range(0, 6):
            v = mb.getVertex(n)
            mb.setVertexUVCoordinates(n, v[0], v[2])
        self._grid_mesh = mb.build()

        disallowed_area_height = 0.1
        disallowed_area_size = 0
        if self._disallowed_areas:
            mb = MeshBuilder()
            color = Color(0.0, 0.0, 0.0, 0.15)
            for polygon in self._disallowed_areas:
                points = polygon.getPoints()
                first = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height, self._clamp(points[0][1], min_d, max_d))
                previous_point = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height, self._clamp(points[0][1], min_d, max_d))
                for point in points:
                    new_point = Vector(self._clamp(point[0], min_w, max_w), disallowed_area_height, self._clamp(point[1], min_d, max_d))
                    mb.addFace(first, previous_point, new_point, color = color)
                    previous_point = new_point

                # Find the largest disallowed area to exclude it from the maximum scale bounds.
                # This is a very nasty hack. This pretty much only works for UM machines.
                # This disallowed area_size needs a -lot- of rework at some point in the future: TODO
                if numpy.min(points[:, 1]) >= 0: # This filters out all areas that have points to the left of the centre. This is done to filter the skirt area.
                    size = abs(numpy.max(points[:, 1]) - numpy.min(points[:, 1]))
                else:
                    size = 0
                disallowed_area_size = max(size, disallowed_area_size)

            self._disallowed_area_mesh = mb.build()
        else:
            self._disallowed_area_mesh = None

        if self._prime_tower_area:
            mb = MeshBuilder()
            color = Color(1.0, 0.0, 0.0, 0.5)
            points = self._prime_tower_area.getPoints()
            first = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height,
                           self._clamp(points[0][1], min_d, max_d))
            previous_point = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height,
                                    self._clamp(points[0][1], min_d, max_d))
            for point in points:
                new_point = Vector(self._clamp(point[0], min_w, max_w), disallowed_area_height,
                                   self._clamp(point[1], min_d, max_d))
                mb.addFace(first, previous_point, new_point, color=color)
                previous_point = new_point

            self._prime_tower_area_mesh = mb.build()
        else:
            self._prime_tower_area_mesh = None

        self._volume_aabb = AxisAlignedBox(
            minimum = Vector(min_w, min_h - 1.0, min_d),
            maximum = Vector(max_w, max_h - self._raft_thickness, max_d))

        bed_adhesion_size = 0.0

        container_stack = Application.getInstance().getGlobalContainerStack()
        if container_stack:
            bed_adhesion_size = self._getBedAdhesionSize(container_stack)

        # As this works better for UM machines, we only add the disallowed_area_size for the z direction.
        # This is probably wrong in all other cases. TODO!
        # The +1 and -1 is added as there is always a bit of extra room required to work properly.
        scale_to_max_bounds = AxisAlignedBox(
            minimum = Vector(min_w + bed_adhesion_size + 1, min_h, min_d + disallowed_area_size - bed_adhesion_size + 1),
            maximum = Vector(max_w - bed_adhesion_size - 1, max_h - self._raft_thickness, max_d - disallowed_area_size + bed_adhesion_size - 1)
        )

        Application.getInstance().getController().getScene()._maximum_bounds = scale_to_max_bounds
Exemple #24
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    def _generateSceneNode(self, file_name, xz_size, peak_height, base_height, blur_iterations, max_size, image_color_invert):
        scene_node = SceneNode()

        mesh = MeshBuilder()

        img = QImage(file_name)

        if img.isNull():
            Logger.log("e", "Image is corrupt.")
            return None

        width = max(img.width(), 2)
        height = max(img.height(), 2)
        aspect = height / width

        if img.width() < 2 or img.height() < 2:
            img = img.scaled(width, height, Qt.IgnoreAspectRatio)

        base_height = max(base_height, 0)
        peak_height = max(peak_height, -base_height)

        xz_size = max(xz_size, 1)
        scale_vector = Vector(xz_size, peak_height, xz_size)

        if width > height:
            scale_vector = scale_vector.set(z=scale_vector.z * aspect)
        elif height > width:
            scale_vector = scale_vector.set(x=scale_vector.x / aspect)

        if width > max_size or height > max_size:
            scale_factor = max_size / width
            if height > width:
                scale_factor = max_size / height

            width = int(max(round(width * scale_factor), 2))
            height = int(max(round(height * scale_factor), 2))
            img = img.scaled(width, height, Qt.IgnoreAspectRatio)

        width_minus_one = width - 1
        height_minus_one = height - 1

        Job.yieldThread()

        texel_width = 1.0 / (width_minus_one) * scale_vector.x
        texel_height = 1.0 / (height_minus_one) * scale_vector.z

        height_data = numpy.zeros((height, width), dtype=numpy.float32)

        for x in range(0, width):
            for y in range(0, height):
                qrgb = img.pixel(x, y)
                avg = float(qRed(qrgb) + qGreen(qrgb) + qBlue(qrgb)) / (3 * 255)
                height_data[y, x] = avg

        Job.yieldThread()

        if image_color_invert:
            height_data = 1 - height_data

        for _ in range(0, blur_iterations):
            copy = numpy.pad(height_data, ((1, 1), (1, 1)), mode= "edge")

            height_data += copy[1:-1, 2:]
            height_data += copy[1:-1, :-2]
            height_data += copy[2:, 1:-1]
            height_data += copy[:-2, 1:-1]

            height_data += copy[2:, 2:]
            height_data += copy[:-2, 2:]
            height_data += copy[2:, :-2]
            height_data += copy[:-2, :-2]

            height_data /= 9

            Job.yieldThread()

        height_data *= scale_vector.y
        height_data += base_height

        heightmap_face_count = 2 * height_minus_one * width_minus_one
        total_face_count = heightmap_face_count + (width_minus_one * 2) * (height_minus_one * 2) + 2

        mesh.reserveFaceCount(total_face_count)

        # initialize to texel space vertex offsets.
        # 6 is for 6 vertices for each texel quad.
        heightmap_vertices = numpy.zeros((width_minus_one * height_minus_one, 6, 3), dtype = numpy.float32)
        heightmap_vertices = heightmap_vertices + numpy.array([[
            [0, base_height, 0],
            [0, base_height, texel_height],
            [texel_width, base_height, texel_height],
            [texel_width, base_height, texel_height],
            [texel_width, base_height, 0],
            [0, base_height, 0]
        ]], dtype = numpy.float32)

        offsetsz, offsetsx = numpy.mgrid[0: height_minus_one, 0: width - 1]
        offsetsx = numpy.array(offsetsx, numpy.float32).reshape(-1, 1) * texel_width
        offsetsz = numpy.array(offsetsz, numpy.float32).reshape(-1, 1) * texel_height

        # offsets for each texel quad
        heightmap_vertex_offsets = numpy.concatenate([offsetsx, numpy.zeros((offsetsx.shape[0], offsetsx.shape[1]), dtype=numpy.float32), offsetsz], 1)
        heightmap_vertices += heightmap_vertex_offsets.repeat(6, 0).reshape(-1, 6, 3)

        # apply height data to y values
        heightmap_vertices[:, 0, 1] = heightmap_vertices[:, 5, 1] = height_data[:-1, :-1].reshape(-1)
        heightmap_vertices[:, 1, 1] = height_data[1:, :-1].reshape(-1)
        heightmap_vertices[:, 2, 1] = heightmap_vertices[:, 3, 1] = height_data[1:, 1:].reshape(-1)
        heightmap_vertices[:, 4, 1] = height_data[:-1, 1:].reshape(-1)

        heightmap_indices = numpy.array(numpy.mgrid[0:heightmap_face_count * 3], dtype=numpy.int32).reshape(-1, 3)

        mesh._vertices[0:(heightmap_vertices.size // 3), :] = heightmap_vertices.reshape(-1, 3)
        mesh._indices[0:(heightmap_indices.size // 3), :] = heightmap_indices

        mesh._vertex_count = heightmap_vertices.size // 3
        mesh._face_count = heightmap_indices.size // 3

        geo_width = width_minus_one * texel_width
        geo_height = height_minus_one * texel_height

        # bottom
        mesh.addFaceByPoints(0, 0, 0, 0, 0, geo_height, geo_width, 0, geo_height)
        mesh.addFaceByPoints(geo_width, 0, geo_height, geo_width, 0, 0, 0, 0, 0)

        # north and south walls
        for n in range(0, width_minus_one):
            x = n * texel_width
            nx = (n + 1) * texel_width

            hn0 = height_data[0, n]
            hn1 = height_data[0, n + 1]

            hs0 = height_data[height_minus_one, n]
            hs1 = height_data[height_minus_one, n + 1]

            mesh.addFaceByPoints(x, 0, 0, nx, 0, 0, nx, hn1, 0)
            mesh.addFaceByPoints(nx, hn1, 0, x, hn0, 0, x, 0, 0)

            mesh.addFaceByPoints(x, 0, geo_height, nx, 0, geo_height, nx, hs1, geo_height)
            mesh.addFaceByPoints(nx, hs1, geo_height, x, hs0, geo_height, x, 0, geo_height)

        # west and east walls
        for n in range(0, height_minus_one):
            y = n * texel_height
            ny = (n + 1) * texel_height

            hw0 = height_data[n, 0]
            hw1 = height_data[n + 1, 0]

            he0 = height_data[n, width_minus_one]
            he1 = height_data[n + 1, width_minus_one]

            mesh.addFaceByPoints(0, 0, y, 0, 0, ny, 0, hw1, ny)
            mesh.addFaceByPoints(0, hw1, ny, 0, hw0, y, 0, 0, y)

            mesh.addFaceByPoints(geo_width, 0, y, geo_width, 0, ny, geo_width, he1, ny)
            mesh.addFaceByPoints(geo_width, he1, ny, geo_width, he0, y, geo_width, 0, y)

        mesh.calculateNormals(fast=True)

        scene_node.setMeshData(mesh.build())

        return scene_node
Exemple #25
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    def read(self, file_name):
        result = SceneNode()
        # The base object of 3mf is a zipped archive.
        archive = zipfile.ZipFile(file_name, "r")
        try:
            root = ET.parse(archive.open("3D/3dmodel.model"))

            # There can be multiple objects, try to load all of them.
            objects = root.findall("./3mf:resources/3mf:object", self._namespaces)
            if len(objects) == 0:
                Logger.log("w", "No objects found in 3MF file %s, either the file is corrupt or you are using an outdated format", file_name)
                return None

            for entry in objects:
                mesh_builder = MeshBuilder()
                node = SceneNode()
                vertex_list = []
                #for vertex in entry.mesh.vertices.vertex:
                for vertex in entry.findall(".//3mf:vertex", self._namespaces):
                    vertex_list.append([vertex.get("x"), vertex.get("y"), vertex.get("z")])
                    Job.yieldThread()

                triangles = entry.findall(".//3mf:triangle", self._namespaces)
                mesh_builder.reserveFaceCount(len(triangles))

                #for triangle in object.mesh.triangles.triangle:
                for triangle in triangles:
                    v1 = int(triangle.get("v1"))
                    v2 = int(triangle.get("v2"))
                    v3 = int(triangle.get("v3"))

                    mesh_builder.addFaceByPoints(vertex_list[v1][0], vertex_list[v1][1], vertex_list[v1][2],
                                                 vertex_list[v2][0], vertex_list[v2][1], vertex_list[v2][2],
                                                 vertex_list[v3][0], vertex_list[v3][1], vertex_list[v3][2])

                    Job.yieldThread()

                # Rotate the model; We use a different coordinate frame.
                rotation = Matrix()
                rotation.setByRotationAxis(-0.5 * math.pi, Vector(1,0,0))

                #TODO: We currently do not check for normals and simply recalculate them.
                mesh_builder.calculateNormals()

                node.setMeshData(mesh_builder.build().getTransformed(rotation))
                node.setSelectable(True)

                transformations = root.findall("./3mf:build/3mf:item[@objectid='{0}']".format(entry.get("id")), self._namespaces)
                transformation = transformations[0] if transformations else None
                if transformation is not None and transformation.get("transform"):
                    splitted_transformation = transformation.get("transform").split()
                    ## Transformation is saved as:
                    ## M00 M01 M02 0.0
                    ## M10 M11 M12 0.0
                    ## M20 M21 M22 0.0
                    ## M30 M31 M32 1.0
                    ## We switch the row & cols as that is how everyone else uses matrices!
                    temp_mat = Matrix()
                    # Rotation & Scale
                    temp_mat._data[0,0] = splitted_transformation[0]
                    temp_mat._data[1,0] = splitted_transformation[1]
                    temp_mat._data[2,0] = splitted_transformation[2]
                    temp_mat._data[0,1] = splitted_transformation[3]
                    temp_mat._data[1,1] = splitted_transformation[4]
                    temp_mat._data[2,1] = splitted_transformation[5]
                    temp_mat._data[0,2] = splitted_transformation[6]
                    temp_mat._data[1,2] = splitted_transformation[7]
                    temp_mat._data[2,2] = splitted_transformation[8]

                    # Translation
                    temp_mat._data[0,3] = splitted_transformation[9]
                    temp_mat._data[1,3] = splitted_transformation[10]
                    temp_mat._data[2,3] = splitted_transformation[11]

                    node.setTransformation(temp_mat)

                result.addChild(node)

                Job.yieldThread()

            #If there is more then one object, group them.
            if len(objects) > 1:
                group_decorator = GroupDecorator()
                result.addDecorator(group_decorator)
        except Exception as e:
            Logger.log("e" ,"exception occured in 3mf reader: %s" , e)

        return result  
Exemple #26
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    def calculateBoundingBoxMesh(self):
        aabb = self.getBoundingBox()
        if aabb:
            bounding_box_mesh = MeshBuilder()
            rtf = aabb.maximum
            lbb = aabb.minimum

            bounding_box_mesh.addVertex(rtf.x, rtf.y, rtf.z)  # Right - Top - Front
            bounding_box_mesh.addVertex(lbb.x, rtf.y, rtf.z)  # Left - Top - Front

            bounding_box_mesh.addVertex(lbb.x, rtf.y, rtf.z)  # Left - Top - Front
            bounding_box_mesh.addVertex(lbb.x, lbb.y, rtf.z)  # Left - Bottom - Front

            bounding_box_mesh.addVertex(lbb.x, lbb.y, rtf.z)  # Left - Bottom - Front
            bounding_box_mesh.addVertex(rtf.x, lbb.y, rtf.z)  # Right - Bottom - Front

            bounding_box_mesh.addVertex(rtf.x, lbb.y, rtf.z)  # Right - Bottom - Front
            bounding_box_mesh.addVertex(rtf.x, rtf.y, rtf.z)  # Right - Top - Front

            bounding_box_mesh.addVertex(rtf.x, rtf.y, lbb.z)  # Right - Top - Back
            bounding_box_mesh.addVertex(lbb.x, rtf.y, lbb.z)  # Left - Top - Back

            bounding_box_mesh.addVertex(lbb.x, rtf.y, lbb.z)  # Left - Top - Back
            bounding_box_mesh.addVertex(lbb.x, lbb.y, lbb.z)  # Left - Bottom - Back

            bounding_box_mesh.addVertex(lbb.x, lbb.y, lbb.z)  # Left - Bottom - Back
            bounding_box_mesh.addVertex(rtf.x, lbb.y, lbb.z)  # Right - Bottom - Back

            bounding_box_mesh.addVertex(rtf.x, lbb.y, lbb.z)  # Right - Bottom - Back
            bounding_box_mesh.addVertex(rtf.x, rtf.y, lbb.z)  # Right - Top - Back

            bounding_box_mesh.addVertex(rtf.x, rtf.y, rtf.z)  # Right - Top - Front
            bounding_box_mesh.addVertex(rtf.x, rtf.y, lbb.z)  # Right - Top - Back

            bounding_box_mesh.addVertex(lbb.x, rtf.y, rtf.z)  # Left - Top - Front
            bounding_box_mesh.addVertex(lbb.x, rtf.y, lbb.z)  # Left - Top - Back

            bounding_box_mesh.addVertex(lbb.x, lbb.y, rtf.z)  # Left - Bottom - Front
            bounding_box_mesh.addVertex(lbb.x, lbb.y, lbb.z)  # Left - Bottom - Back

            bounding_box_mesh.addVertex(rtf.x, lbb.y, rtf.z)  # Right - Bottom - Front
            bounding_box_mesh.addVertex(rtf.x, lbb.y, lbb.z)  # Right - Bottom - Back

            self._bounding_box_mesh = bounding_box_mesh.build()
Exemple #27
0
    def rebuild(self):
        if not self._width or not self._height or not self._depth:
            return

        min_w = -self._width / 2
        max_w = self._width / 2
        min_h = 0.0
        max_h = self._height
        min_d = -self._depth / 2
        max_d = self._depth / 2

        z_fight_distance = 0.2 # Distance between buildplate and disallowed area meshes to prevent z-fighting

        if self._shape != "elliptic":
            # Outline 'cube' of the build volume
            mb = MeshBuilder()
            mb.addLine(Vector(min_w, min_h, min_d), Vector(max_w, min_h, min_d), color = self.VolumeOutlineColor)
            mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, max_h, min_d), color = self.VolumeOutlineColor)
            mb.addLine(Vector(min_w, max_h, min_d), Vector(max_w, max_h, min_d), color = self.VolumeOutlineColor)
            mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, max_h, min_d), color = self.VolumeOutlineColor)

            mb.addLine(Vector(min_w, min_h, max_d), Vector(max_w, min_h, max_d), color = self.VolumeOutlineColor)
            mb.addLine(Vector(min_w, min_h, max_d), Vector(min_w, max_h, max_d), color = self.VolumeOutlineColor)
            mb.addLine(Vector(min_w, max_h, max_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor)
            mb.addLine(Vector(max_w, min_h, max_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor)

            mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, min_h, max_d), color = self.VolumeOutlineColor)
            mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, min_h, max_d), color = self.VolumeOutlineColor)
            mb.addLine(Vector(min_w, max_h, min_d), Vector(min_w, max_h, max_d), color = self.VolumeOutlineColor)
            mb.addLine(Vector(max_w, max_h, min_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor)

            self.setMeshData(mb.build())

            # Build plate grid mesh
            mb = MeshBuilder()
            mb.addQuad(
                Vector(min_w, min_h - z_fight_distance, min_d),
                Vector(max_w, min_h - z_fight_distance, min_d),
                Vector(max_w, min_h - z_fight_distance, max_d),
                Vector(min_w, min_h - z_fight_distance, max_d)
            )

            for n in range(0, 6):
                v = mb.getVertex(n)
                mb.setVertexUVCoordinates(n, v[0], v[2])
            self._grid_mesh = mb.build()

        else:
            # Bottom and top 'ellipse' of the build volume
            aspect = 1.0
            scale_matrix = Matrix()
            if self._width != 0:
                # Scale circular meshes by aspect ratio if width != height
                aspect = self._height / self._width
                scale_matrix.compose(scale = Vector(1, 1, aspect))
            mb = MeshBuilder()
            mb.addArc(max_w, Vector.Unit_Y, center = (0, min_h - z_fight_distance, 0), color = self.VolumeOutlineColor)
            mb.addArc(max_w, Vector.Unit_Y, center = (0, max_h, 0),  color = self.VolumeOutlineColor)
            self.setMeshData(mb.build().getTransformed(scale_matrix))

            # Build plate grid mesh
            mb = MeshBuilder()
            mb.addVertex(0, min_h - z_fight_distance, 0)
            mb.addArc(max_w, Vector.Unit_Y, center = Vector(0, min_h - z_fight_distance, 0))
            sections = mb.getVertexCount() - 1 # Center point is not an arc section
            indices = []
            for n in range(0, sections - 1):
                indices.append([0, n + 2, n + 1])
            mb.addIndices(numpy.asarray(indices, dtype = numpy.int32))
            mb.calculateNormals()

            for n in range(0, mb.getVertexCount()):
                v = mb.getVertex(n)
                mb.setVertexUVCoordinates(n, v[0], v[2] * aspect)
            self._grid_mesh = mb.build().getTransformed(scale_matrix)

        # Indication of the machine origin
        if self._global_container_stack.getProperty("machine_center_is_zero", "value"):
            origin = (Vector(min_w, min_h, min_d) + Vector(max_w, min_h, max_d)) / 2
        else:
            origin = Vector(min_w, min_h, max_d)

        mb = MeshBuilder()
        mb.addCube(
            width = self._origin_line_length,
            height = self._origin_line_width,
            depth = self._origin_line_width,
            center = origin + Vector(self._origin_line_length / 2, 0, 0),
            color = self.XAxisColor
        )
        mb.addCube(
            width = self._origin_line_width,
            height = self._origin_line_length,
            depth = self._origin_line_width,
            center = origin + Vector(0, self._origin_line_length / 2, 0),
            color = self.YAxisColor
        )
        mb.addCube(
            width = self._origin_line_width,
            height = self._origin_line_width,
            depth = self._origin_line_length,
            center = origin - Vector(0, 0, self._origin_line_length / 2),
            color = self.ZAxisColor
        )
        self._origin_mesh = mb.build()

        disallowed_area_height = 0.1
        disallowed_area_size = 0
        if self._disallowed_areas:
            mb = MeshBuilder()
            color = Color(0.0, 0.0, 0.0, 0.15)
            for polygon in self._disallowed_areas:
                points = polygon.getPoints()
                first = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height, self._clamp(points[0][1], min_d, max_d))
                previous_point = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height, self._clamp(points[0][1], min_d, max_d))
                for point in points:
                    new_point = Vector(self._clamp(point[0], min_w, max_w), disallowed_area_height, self._clamp(point[1], min_d, max_d))
                    mb.addFace(first, previous_point, new_point, color = color)
                    previous_point = new_point

                # Find the largest disallowed area to exclude it from the maximum scale bounds.
                # This is a very nasty hack. This pretty much only works for UM machines.
                # This disallowed area_size needs a -lot- of rework at some point in the future: TODO
                if numpy.min(points[:, 1]) >= 0: # This filters out all areas that have points to the left of the centre. This is done to filter the skirt area.
                    size = abs(numpy.max(points[:, 1]) - numpy.min(points[:, 1]))
                else:
                    size = 0
                disallowed_area_size = max(size, disallowed_area_size)

            self._disallowed_area_mesh = mb.build()
        else:
            self._disallowed_area_mesh = None

        if self._error_areas:
            mb = MeshBuilder()
            for error_area in self._error_areas:
                color = Color(1.0, 0.0, 0.0, 0.5)
                points = error_area.getPoints()
                first = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height,
                               self._clamp(points[0][1], min_d, max_d))
                previous_point = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height,
                                        self._clamp(points[0][1], min_d, max_d))
                for point in points:
                    new_point = Vector(self._clamp(point[0], min_w, max_w), disallowed_area_height,
                                       self._clamp(point[1], min_d, max_d))
                    mb.addFace(first, previous_point, new_point, color=color)
                    previous_point = new_point
            self._error_mesh = mb.build()
        else:
            self._error_mesh = None

        self._volume_aabb = AxisAlignedBox(
            minimum = Vector(min_w, min_h - 1.0, min_d),
            maximum = Vector(max_w, max_h - self._raft_thickness, max_d))

        bed_adhesion_size = self._getEdgeDisallowedSize()

        # As this works better for UM machines, we only add the disallowed_area_size for the z direction.
        # This is probably wrong in all other cases. TODO!
        # The +1 and -1 is added as there is always a bit of extra room required to work properly.
        scale_to_max_bounds = AxisAlignedBox(
            minimum = Vector(min_w + bed_adhesion_size + 1, min_h, min_d + disallowed_area_size - bed_adhesion_size + 1),
            maximum = Vector(max_w - bed_adhesion_size - 1, max_h - self._raft_thickness, max_d - disallowed_area_size + bed_adhesion_size - 1)
        )

        Application.getInstance().getController().getScene()._maximum_bounds = scale_to_max_bounds
Exemple #28
0
    def _createNodeFromObject(self, object, name = ""):
        node = SceneNode()
        node.setName(name)
        mesh_builder = MeshBuilder()
        vertex_list = []

        components = object.find(".//3mf:components", self._namespaces)
        if components:
            for component in components:
                id = component.get("objectid")
                new_object = self._root.find("./3mf:resources/3mf:object[@id='{0}']".format(id), self._namespaces)
                new_node = self._createNodeFromObject(new_object, self._base_name + "_" + str(id))
                node.addChild(new_node)
                transform = component.get("transform")
                if transform is not None:
                    new_node.setTransformation(self._createMatrixFromTransformationString(transform))

        # for vertex in entry.mesh.vertices.vertex:
        for vertex in object.findall(".//3mf:vertex", self._namespaces):
            vertex_list.append([vertex.get("x"), vertex.get("y"), vertex.get("z")])
            Job.yieldThread()

        xml_settings = list(object.findall(".//cura:setting", self._namespaces))

        # Add the setting override decorator, so we can add settings to this node.
        if xml_settings:
            node.addDecorator(SettingOverrideDecorator())

            global_container_stack = Application.getInstance().getGlobalContainerStack()
            # Ensure the correct next container for the SettingOverride decorator is set.
            if global_container_stack:
                multi_extrusion = global_container_stack.getProperty("machine_extruder_count", "value") > 1
                # Ensure that all extruder data is reset
                if not multi_extrusion:
                    default_stack_id = global_container_stack.getId()
                else:
                    default_stack = ExtruderManager.getInstance().getExtruderStack(0)
                    if default_stack:
                        default_stack_id = default_stack.getId()
                    else:
                        default_stack_id = global_container_stack.getId()
                node.callDecoration("setActiveExtruder", default_stack_id)

                # Get the definition & set it
                definition = QualityManager.getInstance().getParentMachineDefinition(global_container_stack.getBottom())
                node.callDecoration("getStack").getTop().setDefinition(definition)

            setting_container = node.callDecoration("getStack").getTop()
            for setting in xml_settings:
                setting_key = setting.get("key")
                setting_value = setting.text

                # Extruder_nr is a special case.
                if setting_key == "extruder_nr":
                    extruder_stack = ExtruderManager.getInstance().getExtruderStack(int(setting_value))
                    if extruder_stack:
                        node.callDecoration("setActiveExtruder", extruder_stack.getId())
                    else:
                        Logger.log("w", "Unable to find extruder in position %s", setting_value)
                    continue
                setting_container.setProperty(setting_key,"value", setting_value)

        if len(node.getChildren()) > 0:
            group_decorator = GroupDecorator()
            node.addDecorator(group_decorator)

        triangles = object.findall(".//3mf:triangle", self._namespaces)
        mesh_builder.reserveFaceCount(len(triangles))

        for triangle in triangles:
            v1 = int(triangle.get("v1"))
            v2 = int(triangle.get("v2"))
            v3 = int(triangle.get("v3"))

            mesh_builder.addFaceByPoints(vertex_list[v1][0], vertex_list[v1][1], vertex_list[v1][2],
                                         vertex_list[v2][0], vertex_list[v2][1], vertex_list[v2][2],
                                         vertex_list[v3][0], vertex_list[v3][1], vertex_list[v3][2])

            Job.yieldThread()

        # TODO: We currently do not check for normals and simply recalculate them.
        mesh_builder.calculateNormals()
        mesh_builder.setFileName(name)
        mesh_data = mesh_builder.build()

        if len(mesh_data.getVertices()):
            node.setMeshData(mesh_data)

        node.setSelectable(True)
        return node
    def buildMesh(self):
        mb = MeshBuilder()

        #SOLIDMESH -> LINES
        if self.YAxis in self._enabled_axis:
            mb.addCube(
                width = self._line_width,
                height = self._line_length,
                depth = self._line_width,
                center = Vector(0, self._handle_position/2, 0),
                color = self._y_axis_color
            )
        if self.XAxis in self._enabled_axis:
            mb.addCube(
                width = self._line_length,
                height = self._line_width,
                depth = self._line_width,
                center = Vector(self._handle_position/2, 0, 0),
                color = self._x_axis_color
            )

        if self.ZAxis in self._enabled_axis:
            mb.addCube(
                width = self._line_width,
                height = self._line_width,
                depth = self._line_length,
                center = Vector(0, 0, self._handle_position/2),
                color = self._z_axis_color
            )

        #SOLIDMESH -> HANDLES
        if self.YAxis in self._enabled_axis:
            mb.addPyramid(
                width = self._handle_width,
                height = self._handle_height,
                depth = self._handle_width,
                center = Vector(0, self._handle_position, 0),
                color = self._y_axis_color
            )

        if self.XAxis in self._enabled_axis:
            mb.addPyramid(
                width = self._handle_width,
                height = self._handle_height,
                depth = self._handle_width,
                center = Vector(self._handle_position, 0, 0),
                color = self._x_axis_color,
                axis = Vector.Unit_Z,
                angle = 90
            )

        if self.ZAxis in self._enabled_axis:
            mb.addPyramid(
                width = self._handle_width,
                height = self._handle_height,
                depth = self._handle_width,
                center = Vector(0, 0, self._handle_position),
                color = self._z_axis_color,
                axis = Vector.Unit_X,
                angle = -90
            )

        self.setSolidMesh(mb.build())

        mb = MeshBuilder()
        #SELECTIONMESH -> LINES
        if self.YAxis in self._enabled_axis:
            mb.addCube(
                width = self._active_line_width,
                height = self._active_line_length,
                depth = self._active_line_width,
                center = Vector(0, self._active_handle_position/2, 0),
                color = self._y_axis_color
            )
        if self.XAxis in self._enabled_axis:
            mb.addCube(
                width = self._active_line_length,
                height = self._active_line_width,
                depth = self._active_line_width,
                center = Vector(self._active_handle_position/2, 0, 0),
                color = self._x_axis_color
            )

        if self.ZAxis in self._enabled_axis:
            mb.addCube(
                width = self._active_line_width,
                height = self._active_line_width,
                depth = self._active_line_length,
                center = Vector(0, 0, self._active_handle_position/2),
                color = self._z_axis_color
            )

        #SELECTIONMESH -> HANDLES
        mb.addCube(
            width = self._active_handle_width,
            height = self._active_handle_width,
            depth = self._active_handle_width,
            center = Vector(0, 0, 0),
            color = ToolHandle.AllAxisSelectionColor
        )

        mb.addCube(
            width = self._active_handle_width,
            height = self._active_handle_width,
            depth = self._active_handle_width,
            center = Vector(0, self._active_handle_position, 0),
            color = ToolHandle.YAxisSelectionColor
        )

        mb.addCube(
            width = self._active_handle_width,
            height = self._active_handle_width,
            depth = self._active_handle_width,
            center = Vector(self._active_handle_position, 0, 0),
            color = ToolHandle.XAxisSelectionColor
        )

        mb.addCube(
            width = self._active_handle_width,
            height = self._active_handle_width,
            depth = self._active_handle_width,
            center = Vector(0, 0, self._active_handle_position),
            color = ToolHandle.ZAxisSelectionColor
        )
        self.setSelectionMesh(mb.build())
Exemple #30
0
    def buildMesh(self):
        #SOLIDMESH
        mb = MeshBuilder()

        mb.addDonut(
            inner_radius = self._inner_radius,
            outer_radius = self._outer_radius,
            width = self._line_width,
            color = self._z_axis_color
        )

        mb.addDonut(
            inner_radius = self._inner_radius,
            outer_radius = self._outer_radius,
            width = self._line_width,
            axis = Vector.Unit_X,
            angle = math.pi / 2,
            color = self._y_axis_color
        )

        mb.addDonut(
            inner_radius = self._inner_radius,
            outer_radius = self._outer_radius,
            width = self._line_width,
            axis = Vector.Unit_Y,
            angle = math.pi / 2,
            color = self._x_axis_color
        )
        self.setSolidMesh(mb.build())

        #SELECTIONMESH
        mb = MeshBuilder()

        mb.addDonut(
            inner_radius = self._active_inner_radius,
            outer_radius = self._active_outer_radius,
            width = self._active_line_width,
            color = ToolHandle.ZAxisSelectionColor
        )

        mb.addDonut(
            inner_radius = self._active_inner_radius,
            outer_radius = self._active_outer_radius,
            width = self._active_line_width,
            axis = Vector.Unit_X,
            angle = math.pi / 2,
            color = ToolHandle.YAxisSelectionColor
        )

        mb.addDonut(
            inner_radius = self._active_inner_radius,
            outer_radius = self._active_outer_radius,
            width = self._active_line_width,
            axis = Vector.Unit_Y,
            angle = math.pi / 2,
            color = ToolHandle.XAxisSelectionColor
        )

        self.setSelectionMesh(mb.build())