def __init__(self, args, parent=None):
super().__init__(parent)
##############################################################################
# UI初期化処理
self.ui = MainWindowUi.loader(os.path.join(os.getcwd(), 'ui/main.ui'))
self.setWindowTitle('self.viewer test')
self.setCentralWidget(self.ui.widgets)
self.view = Qt3DExtras.Qt3DWindow()
self.view.defaultFrameGraph().setClearColor(QtGui.QColor(0, 0, 0))
self.container = QWidget.createWindowContainer(self.view)
screen_size = self.view.screen().size()
self.ui.viewer.addWidget(self.container)
self.container.setMinimumSize(QtCore.QSize(400, 600))
self.container.setMaximumSize(screen_size)
# QSize screenSize = self.view -> screen() -> size();
# container -> setMinimumSize(QSize(200, 100));
# container -> setMaximumSize(screenSize);
# vLayout -> setAlignment(Qt: : AlignTop);
# hLayout -> addWidget(container, 1);
# hLayout -> addLayout(vLayout);
# input_aspect = Qt3DInput.QInputAspect()
# self.view.registerAspect(input_aspect)
# root entity
self.root_entity: Qt3DCore.QEntity = Qt3DCore.QEntity()
# draw grid and axis
"""
self.x_axis: Qt3DRender.QGeometry = Qt3DRender.QGeometry(self.root_entity)
x_axis_pos: QtCore.QByteArray = QtCore.QByteArray()
x_axis_pos.append(0)
x_axis_pos.append(0)
x_axis_pos.append(0)
x_axis_pos.append(10)
x_axis_pos.append(0)
x_axis_pos.append(0)
x_axis_buf: Qt3DRender.QBuffer = Qt3DRender.QBuffer(self.x_axis)
x_axis_buf.setData(x_axis_pos)
x_axis_attr: Qt3DRender.QAttribute = Qt3DRender.QAttribute(self.x_axis)
x_axis_attr.setVertexBaseType(Qt3DRender.QAttribute.Float)
x_axis_attr.setVertexSize(3)
x_axis_attr.setAttributeType(Qt3DRender.QAttribute.VertexAttribute)
x_axis_attr.setBuffer(x_axis_buf)
x_axis_attr.setByteStride(3)
x_axis_attr.setCount(2)
self.x_axis.addAttribute(x_axis_attr)
"""
test_mtl = Qt3DExtras.QTextureMaterial(self.root_entity)
self.test = Qt3DCore.QEntity(self.root_entity)
self.test_mesh: Qt3DExtras.QTorusMesh = Qt3DExtras.QTorusMesh()
self.test_mesh.setRadius(5)
self.test_mesh.setMinorRadius(1)
self.test_mesh.setRings(100)
self.test_mesh.setSlices(20)
self.test_tr = Qt3DCore.QTransform()
self.test_tr.setTranslation(QtGui.QVector3D(0, 0, 0))
# test_tr.setScale3D()
self.test.addComponent(self.test_mesh)
self.test.addComponent(self.test_tr)
self.test.addComponent(self.test_mtl)
# camera entity
camera_entity: Qt3DRender.QCamera = self.view.camera()
camera_entity.lens().setPerspectiveProjection(45.0, 16.0 / 9.0, 0.1, 1000.0)
camera_entity.setPosition(QtGui.QVector3D(0, 0, 20.0))
camera_entity.setUpVector(QtGui.QVector3D(0, 1, 0))
camera_entity.setViewCenter(QtGui.QVector3D(0, 0, 0))
light_entity = Qt3DCore.QEntity(self.root_entity)
light = Qt3DRender.QPointLight(light_entity)
light.setColor("white")
light.setIntensity(1)
light_entity.addComponent(light)
light_transform = Qt3DCore.QTransform(light_entity)
light_transform.setTranslation(camera_entity.position())
light_entity.addComponent(light_transform)
# for camera controls
cam_controller = Qt3DExtras.QFirstPersonCameraController(self.root_entity)
cam_controller.setCamera(camera_entity)
# set root object of the scene
self.view.setRootEntity(self.root_entity)
def __init__(self, parent):
super().__init__()
self.root_entity = Qt3DCore.QEntity()
# Make additional entities for the gnomon and instrument components
self.combined_component_axes_entity = Qt3DCore.QEntity(
self.root_entity)
self.component_root_entity = Qt3DCore.QEntity(
self.combined_component_axes_entity)
self.axes_root_entity = Qt3DCore.QEntity(
self.combined_component_axes_entity)
self.gnomon_root_entity = Qt3DCore.QEntity(self.root_entity)
# Create the 3DWindow and place it in a widget with a layout
lay = QVBoxLayout(self)
self.view = InstrumentZooming3DWindow(self.component_root_entity)
self.view.defaultFrameGraph().setClearColor(QColor("lightgrey"))
self.view.setRootEntity(self.root_entity)
container = QWidget.createWindowContainer(self.view)
lay.addWidget(container)
# Set the properties of the instrument camera controller
camera_entity = self.view.camera()
cam_controller = Qt3DExtras.QFirstPersonCameraController(
self.root_entity)
cam_controller.setLinearSpeed(20)
cam_controller.setCamera(camera_entity)
# Enable the camera to see a large distance by giving it a small nearView and large farView
self.view.camera().lens().setPerspectiveProjection(
45, 16 / 9, 0.01, 1000)
# Set the camera view centre as the origin and position the camera so that it looks down at the initial sample
self.view.camera().setPosition(QVector3D(6, 8, 30))
self.view.camera().setViewCenter(QVector3D(0, 0, 0))
# Make sure that the size of the gnomon stays the same when the 3D view is resized
self.view.heightChanged.connect(self.update_gnomon_size)
self.view.widthChanged.connect(self.update_gnomon_size)
# Keep a reference to the gnomon viewport so that it can be resized to preserve the original size of the gnomon
self.gnomon_viewport = None
# Choose a fixed height and width for the gnomon so that this can be preserved when the 3D view is resized
self.gnomon_height = self.gnomon_width = 140
# Create the gnomon resources
self.gnomon = Gnomon(self.gnomon_root_entity, self.view.camera())
# Create the axes lines objects
InstrumentViewAxes(self.axes_root_entity,
self.view.camera().farPlane())
# Dictionary of components and transformations so that we can delete them later
self.component_entities: Dict[str, EntityCollection] = {}
self.transformations = {}
# Create layers in order to allow one camera to only see the gnomon and one camera to only see the
# components and axis lines
self.create_layers()
self.initialise_view()
# Insert the beam cylinder last. This ensures that the semi-transparency works correctly.
self.gnomon.setup_beam_cylinder()
# Move the gnomon when the camera view changes
self.view.camera().viewVectorChanged.connect(self.gnomon.update_gnomon)