def createScene(self):
self.rootEntity = Qt3DCore.QEntity()
self.scannerEntity = Qt3DCore.QEntity(self.rootEntity)
# QSceneLoader loads materials from scanner.mtl referenced in scanner.obj
self.scanner = Qt3DRender.QSceneLoader(self.scannerEntity)
self.scanner.setSource(QUrl.fromLocalFile("scanner.obj"))
self.scannerEntity.addComponent(self.scanner)
self.addTransform()
def __init__(self, parentEntity):
super(Cube, self).__init__()
# build the cube
side = 15
self.cubeEntity = Qt3DCore.QEntity(parentEntity)
# init params of the 6 planes
planeTranslations = [[0, -side / 2, 0], [0, +side / 2, 0],
[-side / 2, 0, 0], [+side / 2, 0, 0],
[0, 0, -side / 2], [0, 0, +side / 2]]
planeRotations = [[0, 0, 180], [0, 0, 0], [0, 0, 90], [0, 0, 270],
[270, 0, 0], [90, 0, 0]]
# allocate planes
self.planeEntities = [None for i in range(6)]
self.planeMeshes = [None for i in range(6)]
self.planeTransforms = [None for i in range(6)]
self.materials = [None for i in range(6)]
# build the planes
for i in range(0, 6):
self.planeMeshes[i] = Qt3DExtras.QPlaneMesh()
self.planeMeshes[i].setWidth(side)
self.planeMeshes[i].setHeight(side)
self.planeTransforms[i] = Qt3DCore.QTransform()
self.planeTransforms[i].setRotationX(planeRotations[i][0])
self.planeTransforms[i].setRotationY(planeRotations[i][1])
self.planeTransforms[i].setRotationZ(planeRotations[i][2])
self.planeTransforms[i].setTranslation(
QVector3D(planeTranslations[i][0], planeTranslations[i][1],
planeTranslations[i][2]))
self.materials[i] = Qt3DExtras.QPhongMaterial(self.cubeEntity)
self.materials[i].setAmbient(
QColor(random.randint(0, 255), random.randint(0, 255),
random.randint(0, 255)))
self.planeEntities[i] = Qt3DCore.QEntity(self.cubeEntity)
self.planeEntities[i].addComponent(self.planeMeshes[i])
self.planeEntities[i].addComponent(self.planeTransforms[i])
self.planeEntities[i].addComponent(self.materials[i])
#initial rotation
self.yaw = -15
self.pitch = 15
self.yawSpeed = 0
self.pitchSpeed = 0
self.cubeTransform = Qt3DCore.QTransform()
self.cubeEntity.addComponent(self.cubeTransform)
self.rotate(
0, 0
) #trigger the computation of the rotation matrix for the initial rotation
def add_acq_sphere(self, df, label):
pos = df.loc[label, ["x", "y", "z"]].values*1000 # m to mm
if label not in self.acq_coordinate_entities:
self.acq_coordinate_meshes[label] = Qt3DExtras.QSphereMesh(rings=20, slices=20, radius=3)
self.acq_coordinate_entities[label] = Qt3DCore.QEntity(self.root_entity)
self.acq_coordinate_transforms[label] = Qt3DCore.QTransform(self.acq_coordinate_meshes[label])
self.acq_coordinate_entities[label].addComponent(self.acq_coordinate_meshes[label])
self.acq_coordinate_entities[label].addComponent(self.acq_coordinate_transforms[label])
self.acq_coordinate_entities[label].addComponent(self.acq_material)
self.acq_coordinate_transforms[label].setTranslation(QtGui.QVector3D(*pos))
def showAll(self):
self.rootEntity = Qt3DCore.QEntity()
self.materialSquare = Qt3DExtras.QPhongMaterial(self.rootEntity)
self.materialSphere = Qt3DExtras.QPhongMaterial(self.rootEntity)
# self.material = Qt3DExtras.QPhongMaterial(self.rootEntity)
with open('local2.csv', 'r') as file:
reader = csv.reader(file)
for row in reader:
if row[0] == 's':
self.sphereEntity = Qt3DCore.QEntity(self.rootEntity)
self.sphereMesh = Qt3DExtras.QSphereMesh()
self.name = row[1]
self.materialSphere.setAmbient(
QColor(int(row[2]), int(row[3]), int(row[4]),
int(row[5])))
self.sphereMesh.setRadius(int(row[6]))
self.QTransformSphere = Qt3DCore.QTransform()
self.sphereEntity.addComponent(self.sphereMesh)
self.sphereEntity.addComponent(self.materialSphere)
self.sphereEntity.addComponent(self.QTransformSphere)
sphereVector3D = QVector3D()
sphereVector3D.setX(int(row[7]))
sphereVector3D.setY(int(row[8]))
sphereVector3D.setZ(int(row[9]))
self.QTransformSphere.setTranslation(sphereVector3D)
else:
self.squareEntity = Qt3DCore.QEntity(self.rootEntity)
self.squareMesh = Qt3DExtras.QCuboidMesh()
self.name = row[1]
self.materialSquare.setAmbient(
QColor(int(row[2]), int(row[3]), int(row[4]),
int(row[5])))
self.squareMesh.setXExtent(int(row[6]))
self.squareMesh.setYExtent(int(row[7]))
self.squareMesh.setZExtent(int(row[8]))
self.QTransformSquare = Qt3DCore.QTransform()
self.squareEntity.addComponent(self.squareMesh)
self.squareEntity.addComponent(self.materialSquare)
self.squareEntity.addComponent(self.QTransformSquare)
squareVector3D = QVector3D()
squareVector3D.setX(int(row[9]))
squareVector3D.setY(int(row[10]))
squareVector3D.setZ(int(row[11]))
self.QTransformSquare.setTranslation(squareVector3D)
self.QTransformSquare.setRotationX(int(row[12]))
self.QTransformSquare.setRotationY(int(row[13]))
self.QTransformSquare.setRotationZ(int(row[14]))
def __init__(self, root_entity, main_camera):
"""
A class that houses the Qt3D items (entities, transformations, etc) related to the gnomon (or axis indicator).
The gnomon/axis indicator is an object that appears in the bottom right-hand corner of the instrument view that
shows the direction of the x, y, and z axes.
:param root_entity: The root entity for the gnomon.
:param main_camera: The main component view camera.
"""
self.gnomon_root_entity = root_entity
self.gnomon_cylinder_length = 4
self.main_camera = main_camera
self.gnomon_camera = self.create_gnomon_camera(main_camera)
self.x_text_transformation = Qt3DCore.QTransform()
self.y_text_transformation = Qt3DCore.QTransform()
self.z_text_transformation = Qt3DCore.QTransform()
# Set the text translation value to be the length of the cylinder plus some extra space so that it doesn't
# overlap with the cylinder or the cones.
text_translation = self.gnomon_cylinder_length * 1.3
# The text translation value calculated above is used in addition to some "extra" values in order to make the
# text placement look good and appear centered next to the cone point. This extra values were found via trial
# and error and will likely have to be figured out again if you decide to change the font/size/height/etc of
# the text.
self.x_text_vector = QVector3D(text_translation, -0.5, 0)
self.y_text_vector = QVector3D(-0.4, text_translation, 0)
self.z_text_vector = QVector3D(-0.5, -0.5, text_translation)
diffuse_color = QColor("grey")
self.x_material = create_material(AxisColors.X.value,
diffuse_color,
root_entity,
remove_shininess=True)
self.y_material = create_material(AxisColors.Y.value,
diffuse_color,
root_entity,
remove_shininess=True)
self.z_material = create_material(AxisColors.Z.value,
diffuse_color,
root_entity,
remove_shininess=True)
self.num_neutrons = 9
self.neutron_animation_length = self.gnomon_cylinder_length * 1.5
def setup_neutrons(self):
"""
Sets up the neutrons and their animations by preparing their meshes and then giving offset and
distance parameters to an animation controller.
"""
# Create lists of x, y, and time offsets for the neutron animations
x_offsets = [0, 0, 0, 2, -2, 1.4, 1.4, -1.4, -1.4]
y_offsets = [0, 2, -2, 0, 0, 1.4, -1.4, 1.4, -1.4]
time_span_offsets = [0, -5, -7, 5, 7, 19, -19, 23, -23]
neutron_radius = 1.5
for i in range(self.num_neutrons):
mesh = Qt3DExtras.QSphereMesh(self.gnomon_root_entity)
self.set_sphere_mesh_radius(mesh, neutron_radius)
transform = Qt3DCore.QTransform(self.gnomon_root_entity)
neutron_animation_controller = NeutronAnimationController(
x_offsets[i] * 0.5, y_offsets[i] * 0.5, transform)
neutron_animation_controller.set_target(transform)
neutron_animation = QPropertyAnimation(transform)
self.set_neutron_animation_properties(
neutron_animation,
neutron_animation_controller,
self.neutron_animation_length,
time_span_offsets[i],
)
neutron_material = create_material(QColor("black"), QColor("grey"),
self.gnomon_root_entity)
create_qentity([mesh, neutron_material, transform],
self.gnomon_root_entity)
def __init__(self):
super().__init__()
#store objects into array
self.i = 0
self.listOfObjects = []
with open('local2.csv', 'r') as file:
reader = csv.reader(file)
for row in reader:
self.listOfObjects.append(row)
print(self.listOfObjects)
# Camera
self.camera().lens().setPerspectiveProjection(45, 16 / 9, 0.1, 1000)
#setting focus on selected object
if self.listOfObjects[0][0] == 's':
self.camera().setPosition(
QVector3D(int(row[7]), int(row[8]), 50 + int(row[9])))
self.camera().setViewCenter(
QVector3D(int(row[7]), int(row[8]), int(row[9])))
else:
self.camera().setPosition(
QVector3D(int(row[9]), int(row[10]), 50 + int(row[11])))
self.camera().setViewCenter(
QVector3D(int(row[9]), int(row[10]), int(row[11])))
# For camera controls
self.rootEntity = Qt3DCore.QEntity()
self.showAll()
self.camController = Qt3DExtras.QOrbitCameraController(self.rootEntity)
self.camController.setLinearSpeed(50)
self.camController.setLookSpeed(180)
self.camController.setCamera(self.camera())
self.setRootEntity(self.rootEntity)
def add_transformation(self, transformation: Qt3DCore.QComponent):
matrix = transformation.matrix()
for index, entity in enumerate(self.entities):
if index:
transformation = Qt3DCore.QTransform(self.root_entity)
self._redo_transformation(matrix, transformation, entity[1])
entity[0].addComponent(transformation)
def createScene(self):
# Root entity
self.rootEntity = Qt3DCore.QEntity()
# Material
self.material = Qt3DExtras.QPhongMaterial(self.rootEntity)
# Torus
self.torusEntity = Qt3DCore.QEntity(self.rootEntity)
self.torusMesh = Qt3DExtras.QTorusMesh()
self.torusMesh.setRadius(5)
self.torusMesh.setMinorRadius(1)
self.torusMesh.setRings(100)
self.torusMesh.setSlices(20)
self.torusTransform = Qt3DCore.QTransform()
self.torusTransform.setScale3D(QVector3D(1.5, 1, 0.5))
self.torusTransform.setRotation(
QQuaternion.fromAxisAndAngle(QVector3D(1, 0, 0), 45))
self.torusEntity.addComponent(self.torusMesh)
self.torusEntity.addComponent(self.torusTransform)
self.torusEntity.addComponent(self.material)
# Sphere
self.sphereEntity = Qt3DCore.QEntity(self.rootEntity)
self.sphereMesh = Qt3DExtras.QSphereMesh()
self.sphereMesh.setRadius(3)
self.sphereTransform = Qt3DCore.QTransform()
self.controller = OrbitTransformController(self.sphereTransform)
self.controller.setTarget(self.sphereTransform)
self.controller.setRadius(20)
self.sphereRotateTransformAnimation = QPropertyAnimation(
self.sphereTransform)
self.sphereRotateTransformAnimation.setTargetObject(self.controller)
self.sphereRotateTransformAnimation.setPropertyName("angle")
self.sphereRotateTransformAnimation.setStartValue(0)
self.sphereRotateTransformAnimation.setEndValue(360)
self.sphereRotateTransformAnimation.setDuration(10000)
self.sphereRotateTransformAnimation.setLoopCount(-1)
self.sphereRotateTransformAnimation.start()
self.sphereEntity.addComponent(self.sphereMesh)
self.sphereEntity.addComponent(self.sphereTransform)
self.sphereEntity.addComponent(self.material)
def create_qentity(components: List[Qt3DCore.QComponent],
parent=None) -> Qt3DCore.QEntity:
"""
Creates a QEntity and gives it all of the QComponents that are contained in a list.
"""
entity = Qt3DCore.QEntity(parent)
for component in components:
entity.addComponent(component)
return entity
def __init__(self, view: Qt3DExtras.Qt3DWindow) -> None:
"""
Initialize a new instance.
Args:
view: where to render the planetary sphere.
"""
self.root_entity = Qt3DCore.QEntity()
ce = self.camera_entity = view.camera()
ce.lens().setPerspectiveProjection(45.0, 1.0, 0.1, 1000.0)
ce.setPosition(V3(0, 8, 8))
ce.setUpVector(V3(0, 1, 0))
ce.setViewCenter(V3(0, 0, 0))
self.light = Qt3DCore.QEntity(self.root_entity)
self.point_light = Qt3DRender.QPointLight(self.light)
self.point_light.setColor("white")
self.point_light.setIntensity(1.0)
self.light.addComponent(self.point_light)
# Move the light to the camera's position - on-camera 'flash'!
t = self.light_transform = Qt3DCore.QTransform(self.light)
t.setTranslation(ce.position())
self.light.addComponent(t)
self.mesh = Qt3DExtras.QSphereMesh()
self.mesh.setRings(30)
self.mesh.setSlices(30)
self.mesh.setRadius(2)
t = self.transform = Qt3DCore.QTransform()
t.setScale(1.3)
t.setTranslation(V3(0.0, 0.0, 0.0))
m = self.material = Qt3DExtras.QDiffuseSpecularMaterial()
m.setAmbient(QColor(200, 200, 255))
m.setShininess(20.0)
self.entity = Qt3DCore.QEntity(self.root_entity)
self.entity.addComponent(self.mesh)
self.entity.addComponent(self.material)
self.entity.addComponent(self.transform)
view.setRootEntity(self.root_entity)
self.entity.setEnabled(True)
def importerLoaded(self, status):
if status != Kuesa.GLTF2Importer.Status.Ready:
return
# First let's take the components that we are going to use to create our clones
parent = self.rootEntity.entity("KuesaEntity_0")
parent.setObjectName("KuesaEntity_0")
orig_entity = self.rootEntity.entity("KuesaEntity_2").childNodes()[1]
orig_geometry = orig_entity.childNodes()[0]
orig_material = orig_entity.childNodes()[1]
row = 10
col = 10
distance = 200
r = 500
# Then create clones by giving them a custom transform, and the same components than before
for i in range(0, col):
for j in range(0, row):
new_entity = Qt3DCore.QEntity(parent)
# Note : there is an inconsistency in the Python bindings -
# In C++ it is not necessary to assign a parent to the transform.
new_transform = Qt3DCore.QTransform(new_entity)
new_material = self.cloneMaterial(orig_material, new_entity)
new_material.setEffect(orig_material.effect())
new_props = new_material.metallicRoughnessProperties()
new_props.setMetallicFactor(i / col)
new_props.setRoughnessFactor(j / row)
dt = QVector3D(i * distance, j * distance, 0)
new_transform.setTranslation(dt)
# Add the custom transform to the entity
new_entity.addComponent(new_transform)
# Add the material we created
new_entity.addComponent(new_material)
# These two components will be shared across all the ducks.
new_entity.addComponent(orig_geometry)
def transform(self) -> Qt3DCore.QTransform:
"""
Get a QTransform describing the position and orientation of the component
"""
transform_matrix = QMatrix4x4()
for transform in self.transforms_full_chain:
transform_matrix *= transform.qmatrix
transformation = Qt3DCore.QTransform()
transformation.setMatrix(transform_matrix)
return transformation
def add_sphere(self, radius, x, y, z, rings=10, slices=10):
sphereEntity = Qt3DCore.QEntity(self.rootEntity)
# Mesh
sphereMesh = Qt3DExtras.QSphereMesh()
sphereMesh.setRadius(radius)
sphereMesh.setRings(rings)
sphereMesh.setSlices(slices)
# Transforms
sphereTransform = Qt3DCore.QTransform()
sphereTransform.setTranslation(QVector3D(x, y, z))
sphereEntity.addComponent(sphereMesh)
sphereEntity.addComponent(self.material)
sphereEntity.addComponent(sphereTransform)
self.spheres.append(sphereEntity)
self.meshes.append(sphereMesh)
self.transforms.append(sphereTransform)
def importerLoaded(self, status):
if status != Kuesa.GLTF2Importer.Status.Ready:
return
# First let's take the components that we are going to use to create our clones
parent = self.rootEntity.entity("KuesaEntity_0")
parent.setObjectName("KuesaEntity_0")
orig_entity = self.rootEntity.entity("KuesaEntity_2").childNodes()[1]
orig_geometry = orig_entity.childNodes()[0]
orig_material = orig_entity.childNodes()[1]
self.ducks = 1000
r = 500
# Then create clones by giving them a custom transform, and the same components than before
for i in range(0, self.ducks):
new_entity = Qt3DCore.QEntity(parent)
# Note : there is an inconsistency in the Python bindings -
# In C++ it is not necessary to assign a parent to the transform.
new_transform = Qt3DCore.QTransform(new_entity)
new_transform.setScale(0.2)
dt = QVector3D(random.randint(-r, r), random.randint(-r, r),
random.randint(-r, r))
new_transform.setTranslation(dt)
new_transform.setRotationX(random.randint(0, 360))
new_transform.setRotationY(random.randint(0, 360))
new_transform.setRotationZ(random.randint(0, 360))
# Add the custom transform, plus the original components, to the entity
new_entity.addComponent(new_transform)
# These two components will be shared across all the ducks.
new_entity.addComponent(orig_geometry)
new_entity.addComponent(orig_material)
def qmatrix(self) -> QMatrix4x4:
"""
Get a Qt3DCore.QTransform describing the transformation
"""
transform = Qt3DCore.QTransform()
if self.type == TransformationType.ROTATION:
quaternion = transform.fromAxisAndAngle(self.vector, self.ui_value)
transform.setRotation(quaternion)
elif self.type == TransformationType.TRANSLATION:
transform.setTranslation(self.vector.normalized() * self.ui_value)
else:
raise (RuntimeError('Unknown transformation of type "{}".'.format(
self.type)))
return transform.matrix()
def __init__(self, type, parent):
super(Node, self).__init__()
parentEntity = parent.entity() if parent else None
self._entity = Qt3DCore.QEntity(parentEntity)
self._id = Node.Id
Node.Id += 1
self._type = type
self._parent = parent
self._children = [] # C++: QList<Node*>
self._components = {} # C++: QHash<ComponentType, Component*>
self._propertyMap = [] # C++: QList<NodeProperty*>
self._componentMap = [] # C++: QList<Component*>
if parent is not None:
parent.addChild(self)
def _create_source(self):
cylinder_mesh = Qt3DExtras.QCylinderMesh(self.root_entity)
cone_transform = Qt3DCore.QTransform(self.root_entity)
self._set_cylinder_dimension(cylinder_mesh, self._source_radius,
self._source_length)
cone_transform.setMatrix(self._get_cylinder_transformation_matrix())
self.entities.append((
create_qentity(
[cylinder_mesh, self.default_material, cone_transform],
self.root_entity,
),
self._get_cylinder_transformation_matrix(),
))
def createScene(self):
# Root entity
self.rootEntity = Qt3DCore.QEntity()
# Material
self.material = Qt3DExtras.QPhongMaterial(self.rootEntity)
# Torus
self.torusEntity = Qt3DCore.QEntity(self.rootEntity)
self.torusMesh = Qt3DExtras.QTorusMesh()
self.torusMesh.setRadius(5)
self.torusMesh.setMinorRadius(1)
self.torusMesh.setRings(100)
self.torusMesh.setSlices(20)
self.torusTransform = Qt3DCore.QTransform()
self.torusTransform.setScale3D(QVector3D(1.5, 1, 0.5))
self.torusTransform.setRotation(
QQuaternion.fromAxisAndAngle(QVector3D(1, 0, 0), 45))
self.torusEntity.addComponent(self.torusMesh)
self.torusEntity.addComponent(self.torusTransform)
self.torusEntity.addComponent(self.material)
# Sphere
self.sphereEntity = Qt3DCore.QEntity(self.rootEntity)
self.sphereMesh = Qt3DExtras.QSphereMesh()
self.sphereMesh.setRadius(3)
self.sphereTransform = Qt3DCore.QTransform()
self.controller = OrbitTransformController(self.sphereTransform)
self.controller.setTarget(self.sphereTransform)
self.controller.setRadius(20)
self.sphereEntity.addComponent(self.sphereMesh)
self.sphereEntity.addComponent(self.sphereTransform)
self.sphereEntity.addComponent(self.material)
def qtransform(self) -> QTransform:
"""
Creates a QTransform based on the full chain of transforms this component points to.
Where T_1 depends on T_2 which depends on T_3:
the final transformation T_f = T_3*T_2*T_1
:return: QTransform of final transformation
"""
transform_matrix = QMatrix4x4() # Identity matrix
for transform in self.transforms_full_chain:
# Left multiply each new matrix
transform_matrix = transform.qmatrix * transform_matrix
transformation = Qt3DCore.QTransform()
transformation.setMatrix(transform_matrix)
return transformation
def __init__(self):
super(Cube3DWindow, self).__init__()
# Root entity
self.rootEntity = Qt3DCore.QEntity()
self.setRootEntity(self.rootEntity)
# Camera
self.camera().lens().setPerspectiveProjection(45, 16 / 9, 0.1, 1000)
self.camera().setPosition(QVector3D(0, 0, 40))
self.camera().setViewCenter(QVector3D(0, 0, 0))
self.mouseLastPos = QPoint()
self.mouseDown = False
self.timer = QTimer(self)
self.timer.timeout.connect(self.onTimer)
def setup_beam_cylinder(self):
"""
Sets up the beam cylinder by giving the cylinder entity a mesh, a material, and a transformation.
"""
# Initialise beam objects
cylinder_mesh = Qt3DExtras.QCylinderMesh(self.gnomon_root_entity)
cylinder_transform = Qt3DCore.QTransform(self.gnomon_root_entity)
self.set_cylinder_mesh_dimensions(cylinder_mesh, 1.5,
self.neutron_animation_length, 2)
self.set_beam_transform(cylinder_transform,
self.neutron_animation_length)
beam_material = create_material(QColor("blue"),
QColor("lightblue"),
self.gnomon_root_entity,
alpha=0.5)
create_qentity([cylinder_mesh, beam_material, cylinder_transform],
self.gnomon_root_entity)
class ScannerWindow(Qt3DExtras.Qt3DWindow):
qw = 0.5
qx = 0.5
qy = -0.5
qz = 0.5
scannerTransform = Qt3DCore.QTransform()
def __init__(self):
super(ScannerWindow, self).__init__()
# camera
self.camera().lens().setPerspectiveProjection(50, 16 / 9, 0.1, 1000)
self.camera().setPosition(QVector3D(0, 0, 30))
self.camera().setViewCenter(QVector3D(0, 0, 0))
# create scene from obj file
self.createScene()
self.setRootEntity(self.rootEntity)
def updateAngle(self, qw, qx, qy, qz):
self.qw = qw
self.qx = qx
self.qy = qy
self.qz = qz
self.addTransform()
def addTransform(self):
# correct orientation
self.scannerTransform.setScale3D(QVector3D(100, 100, 100))
self.orientation = QQuaternion(self.qw, self.qx, self.qy, self.qz)
self.axisCorrection = QQuaternion.fromEulerAngles(0, 180, 90)
self.modelCorrection = QQuaternion.fromEulerAngles(-90, 0, 90)
self.modelRotation = self.orientation * self.axisCorrection
self.correctedOrientation = self.modelCorrection * self.modelRotation
self.scannerTransform.setRotation(self.correctedOrientation)
self.scannerEntity.addComponent(self.scannerTransform)
def createScene(self):
self.rootEntity = Qt3DCore.QEntity()
self.scannerEntity = Qt3DCore.QEntity(self.rootEntity)
# QSceneLoader loads materials from scanner.mtl referenced in scanner.obj
self.scanner = Qt3DRender.QSceneLoader(self.scannerEntity)
self.scanner.setSource(QUrl.fromLocalFile("scanner.obj"))
self.scannerEntity.addComponent(self.scanner)
self.addTransform()
def _setup_neutrons(self):
neutron_radius = 0.1
for i in range(self._num_neutrons):
mesh = Qt3DExtras.QSphereMesh(self.root_entity)
mesh.setRadius(neutron_radius)
transform = Qt3DCore.QTransform(self.root_entity)
transform.setMatrix(
self._get_sphere_transformation_matrix(
self._neutron_offsets[i]))
neutron_material = create_material(QColor("black"), QColor("grey"),
self.root_entity)
entity = create_qentity([mesh, neutron_material, transform],
self.root_entity)
self.entities.append((
entity,
self._get_sphere_transformation_matrix(
self._neutron_offsets[i]),
))
def create_gnomon_cones(self):
"""
Prepares the gnomon cones by configuring the meshes and then placing them at the ends of the cylinders.
"""
x_cone_matrix, y_cone_matrix, z_cone_matrix = self.create_cone_matrices(
self.gnomon_cylinder_length)
for matrix, material in [
(x_cone_matrix, self.x_material),
(y_cone_matrix, self.y_material),
(z_cone_matrix, self.z_material),
]:
cone_mesh = Qt3DExtras.QConeMesh(self.gnomon_root_entity)
self.configure_gnomon_cone(cone_mesh, self.gnomon_cylinder_length)
cone_transformation = Qt3DCore.QTransform(self.gnomon_root_entity)
cone_transformation.setMatrix(matrix)
create_qentity([cone_mesh, cone_transformation, material],
self.gnomon_root_entity)
def create_gnomon_cylinders(self):
"""
Configures three cylinder meshes and translates them in order to create a basic gnomon shape.
"""
x_axis_matrix, y_axis_matrix, z_axis_matrix = self.create_cylinder_matrices(
self.gnomon_cylinder_length)
for matrix, material in [
(x_axis_matrix, self.x_material),
(y_axis_matrix, self.y_material),
(z_axis_matrix, self.z_material),
]:
axis_mesh = Qt3DExtras.QCylinderMesh(self.gnomon_root_entity)
self.configure_gnomon_cylinder(axis_mesh,
self.gnomon_cylinder_length)
axis_transformation = Qt3DCore.QTransform(self.gnomon_root_entity)
axis_transformation.setMatrix(matrix)
create_qentity([axis_mesh, axis_transformation, material],
self.gnomon_root_entity)
def qmatrix(self) -> QMatrix4x4:
"""
Get a Qt3DCore.QTransform describing the transformation
for use in the 3D view
"""
transform = Qt3DCore.QTransform()
transform.matrix()
if self.transform_type == TransformationType.ROTATION:
quaternion = transform.fromAxisAndAngle(
self.vector, self.ui_value * self._ui_scale_factor
)
transform.setRotation(quaternion)
elif self.transform_type == TransformationType.TRANSLATION:
transform.setTranslation(
self.vector.normalized() * self.ui_value * self._ui_scale_factor
)
else:
raise (
RuntimeError(f'Unknown transformation of type "{self.transform_type}".')
)
return transform.matrix()
def __init__(self):
super(Window, self).__init__()
# Default set-up - by now you know the drill :-)
self.rootEntity = Kuesa.SceneEntity()
self.rootEntity.addComponent(DefaultEnvMap(self.rootEntity))
self.gltfImporter = Kuesa.GLTF2Importer(self.rootEntity)
self.gltfImporter.setSceneEntity(self.rootEntity)
self.gltfImporter.setSource(assetsUrl() + "/models/duck/Duck.glb")
self.camera().setPosition(QVector3D(10, 1.5, 10))
self.camera().setViewCenter(QVector3D(0, .5, 0))
self.camera().setUpVector(QVector3D(0, 1, 0))
self.camera().setAspectRatio(16. / 9.)
self.camController = Qt3DExtras.QOrbitCameraController(self.rootEntity)
self.camController.setCamera(self.camera())
self.fg = Kuesa.ForwardRenderer()
self.fg.setCamera(self.camera())
self.fg.setClearColor("white")
self.setActiveFrameGraph(self.fg)
envmap_root = assetsUrl() + "/envmaps/pink_sunrise"
envmap_name = "pink_sunrise" + ("_16f" if platform.system() == "Darwin"
else "") + "_radiance"
self.skybox = Kuesa.Skybox(self.rootEntity)
self.skybox.setBaseName(envmap_root + "/" + envmap_name)
self.skybox.setExtension(".dds")
# Now we create some lights.
# All lights have an intensity and a color.
# Specific light types have relevant additional properties.
# Point light
self.pointLightEntity = Qt3DCore.QEntity(self.rootEntity)
self.pointLightTransform = Qt3DCore.QTransform(self.pointLightEntity)
self.pointLightTransform.setTranslation(QVector3D(20, -10, -10))
self.pointLight = Kuesa.PointLight(self.pointLightEntity)
self.pointLight.setIntensity(1000.0)
self.pointLight.setColor("red")
self.pointLightEntity.addComponent(self.pointLightTransform)
self.pointLightEntity.addComponent(self.pointLight)
# Spot light
self.spotLightEntity = Qt3DCore.QEntity(self.rootEntity)
self.spotLightTransform = Qt3DCore.QTransform(self.spotLightEntity)
self.spotLightTransform.setTranslation(QVector3D(-10, 10, 10))
self.spotLight = Kuesa.SpotLight(self.spotLightEntity)
self.spotLight.setIntensity(1000.0)
self.spotLight.setColor("green")
self.spotLight.setInnerConeAngle(50)
self.spotLight.setOuterConeAngle(100)
self.spotLight.setRange(1000)
self.spotLightEntity.addComponent(self.spotLightTransform)
self.spotLightEntity.addComponent(self.spotLight)
# Directional light
self.directionalLightEntity = Qt3DCore.QEntity(self.rootEntity)
self.directionalLightTransform = Qt3DCore.QTransform(
self.directionalLightEntity)
self.directionalLight = Kuesa.DirectionalLight(
self.directionalLightEntity)
self.directionalLight.setIntensity(100.0)
self.directionalLight.setColor("blue")
self.directionalLight.setDirection(QVector3D(10, 10, -10))
self.directionalLightEntity.addComponent(
self.directionalLightTransform)
self.directionalLightEntity.addComponent(self.directionalLight)
self.setRootEntity(self.rootEntity)
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)