Exemple #1
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    def __init__(self, parent):
        super(DefaultEnvMap, self).__init__(parent)

        envmap_root = assetsUrl() + "/envmaps/pink_sunrise"
        envmap_name = "pink_sunrise" + ("_16f" if platform.system() == "Darwin"
                                        else "")

        self.tli = Qt3DRender.QTextureLoader(self)
        self.tli.setSource(envmap_root + "/" + envmap_name + "_irradiance.dds")
        self.tli.setMinificationFilter(
            Qt3DRender.QAbstractTexture.LinearMipMapLinear)
        self.tli.setMagnificationFilter(Qt3DRender.QAbstractTexture.Linear)
        self.tli.wrapMode().setX(Qt3DRender.QTextureWrapMode.ClampToEdge)
        self.tli.wrapMode().setY(Qt3DRender.QTextureWrapMode.ClampToEdge)
        self.tli.setGenerateMipMaps(0)
        self.setIrradiance(self.tli)

        self.tls = Qt3DRender.QTextureLoader(self)
        self.tls.setSource(envmap_root + "/" + envmap_name + "_specular.dds")
        self.tls.setMinificationFilter(
            Qt3DRender.QAbstractTexture.LinearMipMapLinear)
        self.tls.setMagnificationFilter(Qt3DRender.QAbstractTexture.Linear)
        self.tls.wrapMode().setX(Qt3DRender.QTextureWrapMode.ClampToEdge)
        self.tls.wrapMode().setY(Qt3DRender.QTextureWrapMode.ClampToEdge)
        self.tls.setGenerateMipMaps(0)
        self.setSpecular(self.tls)
Exemple #2
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    def __init__(self, parent, size = QSize(500,500) ):
        super().__init__(parent)
        self.size = size

        self.output = Qt3DRender.QRenderTargetOutput( self )
        self.output.setAttachmentPoint( Qt3DRender.QRenderTargetOutput.Color0 )

        self.texture = Qt3DRender.QTexture2D(self.output)
        self.texture.setSize(size.width(), size.height())
        self.texture.setFormat(Qt3DRender.QAbstractTexture.RGB8_UNorm)
        self.texture.setMinificationFilter(Qt3DRender.QAbstractTexture.Linear)
        self.texture.setMagnificationFilter(Qt3DRender.QAbstractTexture.Linear)

        self.output.setTexture(self.texture)
        self.addOutput(self.output)

        self.depthTexOutput = Qt3DRender.QRenderTargetOutput( self )
        self.depthTexOutput.setAttachmentPoint( Qt3DRender.QRenderTargetOutput.Depth )
        self.depthTex = Qt3DRender.QTexture2D(self.depthTexOutput )
        self.depthTex.setSize( size.width(), size.height() )
        self.depthTex.setFormat( Qt3DRender.QAbstractTexture.D32F )
        self.depthTex.setMinificationFilter(Qt3DRender.QAbstractTexture.Linear)
        self.depthTex.setMagnificationFilter(Qt3DRender.QAbstractTexture.Linear)
        self.depthTex.setComparisonFunction(Qt3DRender.QAbstractTexture.CompareLessEqual)
        self.depthTex.setComparisonMode(Qt3DRender.QAbstractTexture.CompareRefToTexture)

        self.depthTexOutput.setTexture( self.depthTex)
        self.addOutput( self.depthTexOutput )
    def create_layers(self):
        """
        Assigns the gnomon view and component view to different cameras and viewports. Controls the buffer behaviour of
        the different viewports so that the depth buffer behaves in such a way that the gnomon is always in front.
        """
        # Set up view surface selector for filtering
        surface_selector = Qt3DRender.QRenderSurfaceSelector(self.root_entity)
        surface_selector.setSurface(self.view)

        main_camera = self.view.camera()
        viewport = Qt3DRender.QViewport(surface_selector)
        self.view.setActiveFrameGraph(surface_selector)

        # Filters out just the instrument for the main camera to see
        component_clear_buffers = self.create_camera_filter(
            viewport, self.combined_component_axes_entity, main_camera)

        # Have the component buffer take on the default behaviour
        component_clear_buffers.setBuffers(Qt3DRender.QClearBuffers.AllBuffers)

        # Set the background color of the main scene
        component_clear_buffers.setClearColor(QColor("lightgrey"))

        # Create a viewport for gnomon in small section of the screen
        self.gnomon_viewport = Qt3DRender.QViewport(surface_selector)
        self.update_gnomon_size()

        # Filter out the gnomon for just the gnomon camera to see
        gnomon_camera = self.gnomon.get_gnomon_camera()
        gnomon_clear_buffers = self.create_camera_filter(
            self.gnomon_viewport, self.gnomon_root_entity, gnomon_camera)
        # Make the gnomon appear in front of everything else
        gnomon_clear_buffers.setBuffers(Qt3DRender.QClearBuffers.DepthBuffer)

        self.gnomon.update_gnomon()
    def __init__(self, vertex_data: QtCore.QByteArray, parent=None):
        """
        Geometry for depicting a line. Used for axes placed in the origin of the instrument view.
        :param vertex_data: A byte array containing the coordinates for the start and end points of the line.
        :param parent: The object parent.
        """
        Qt3DRender.QGeometry.__init__(self, parent)

        # Create a position buffer and give it the vertex data
        self.position_buffer = Qt3DRender.QBuffer(self)
        self.position_buffer.setUsage(Qt3DRender.QBuffer.StaticDraw)
        self.position_buffer.setData(vertex_data)

        # Configure a position attribute and configure it to represent a set of coordinates
        self.position_attribute = Qt3DRender.QAttribute(self)
        self.position_attribute.setAttributeType(
            Qt3DRender.QAttribute.VertexAttribute)
        self.position_attribute.setVertexBaseType(Qt3DRender.QAttribute.Float)
        self.position_attribute.setVertexSize(3)
        self.position_attribute.setName(
            Qt3DRender.QAttribute.defaultPositionAttributeName())
        self.position_attribute.setBuffer(self.position_buffer)

        # Set the number of points contained in the attribute
        # This must be two for the start and end of the line
        self.position_attribute.setCount(2)

        self.addAttribute(self.position_attribute)
Exemple #5
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    def __init__(self, parent, bildfile, transform=None):
        super().__init__(parent)
        # Draw the arrow bodies as cylinders too
        cylinderlist = bildfile.cylinders + list(
            bildfile.cylindersFromArrows())
        num_cylinders = len(cylinderlist)

        if num_cylinders == 0: return

        total_vertices = 2 * num_cylinders
        vertex_basetype = geom.basetypes.Float
        if (total_vertices < 30000):
            index_basetype = geom.basetypes.UnsignedShort
        else:
            index_basetype = geom.basetypes.UnsignedInt

        vertex_nparr = np.zeros(
            [total_vertices, 7],
            dtype=geom.basetype_numpy_codes[vertex_basetype])
        for idx, (color, x1, y1, z1, x2, y2, z2, r) in enumerate(cylinderlist):
            if color is None: color = QColor('white')
            vertex_nparr[2 * idx, :] = x1, y1, z1, r, color.redF(
            ), color.greenF(), color.blueF()
            vertex_nparr[2 * idx + 1, :] = x2, y2, z2, r, color.redF(
            ), color.greenF(), color.blueF()

        if (transform):
            vertex_nparr[:, 0:3] = transform(vertex_nparr[:, 0:3])
            # Transform radii by the equivalent scaling factor (assume it's equal in all dimensions)
            scale = transform(np.ones((1, 3)))[0, 0]
            vertex_nparr[:, 3] *= scale

        self.geometry = Qt3DRender.QGeometry(self)

        position_attrname = Qt3DRender.QAttribute.defaultPositionAttributeName(
        )
        radius_attrname = 'radius'
        color_attrname = Qt3DRender.QAttribute.defaultColorAttributeName()

        attrspecs = [
            geom.AttrSpec(position_attrname, column=0, numcols=3),
            geom.AttrSpec(radius_attrname, column=3, numcols=1),
            geom.AttrSpec(color_attrname, column=4, numcols=3)
        ]

        self.vtx_attrs = geom.buildVertexAttrs(self, vertex_nparr, attrspecs)
        for va in self.vtx_attrs:
            self.geometry.addAttribute(va)

        # Create qt3d index buffer
        index_nparr = np.arange(
            len(vertex_nparr), dtype=geom.basetype_numpy_codes[index_basetype])
        self.indexAttr = geom.buildIndexAttr(self, index_nparr)
        self.geometry.addAttribute(self.indexAttr)

        self.renderer = Qt3DRender.QGeometryRenderer(parent)
        self.renderer.setGeometry(self.geometry)
        self.renderer.setPrimitiveType(Qt3DRender.QGeometryRenderer.Lines)

        self.addComponent(self.renderer)
Exemple #6
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    def createScene(self):
        wd = os.path.dirname(os.path.abspath(__file__))

        # Root entity
        self.rootEntity = Kuesa.SceneEntity()
        self.rootEntity.loadingDone.connect(self.onLoadingDone)

        self.gltfImporter = Kuesa.GLTF2Importer(self.rootEntity)
        self.gltfImporter.setSceneEntity(self.rootEntity)
        self.gltfImporter.setSource("file://" + wd + "/../assets/models/car/DodgeViper-draco.gltf")

        self.el = Qt3DRender.QEnvironmentLight(self.rootEntity)
        self.tli = Qt3DRender.QTextureLoader(self.rootEntity)
        self.tli.setSource("file://" + wd + "/../assets/envmaps/pink_sunrise/pink_sunrise" + ("_16f" if platform.system() == "Darwin" else "") + "_irradiance.dds")
        self.tli.setMinificationFilter(Qt3DRender.QAbstractTexture.LinearMipMapLinear)
        self.tli.setMagnificationFilter(Qt3DRender.QAbstractTexture.Linear)
        self.tli.wrapMode().setX(Qt3DRender.QTextureWrapMode.ClampToEdge)
        self.tli.wrapMode().setY(Qt3DRender.QTextureWrapMode.ClampToEdge)
        self.tli.setGenerateMipMaps(0)
        self.el.setIrradiance(self.tli)
        self.tls = Qt3DRender.QTextureLoader(self.rootEntity)
        self.tls.setSource("file://" + wd + "/../assets/envmaps/pink_sunrise/pink_sunrise" + ("_16f" if platform.system() == "Darwin" else "") + "_specular.dds")
        self.tls.setMinificationFilter(Qt3DRender.QAbstractTexture.LinearMipMapLinear)
        self.tls.setMagnificationFilter(Qt3DRender.QAbstractTexture.Linear)
        self.tls.wrapMode().setX(Qt3DRender.QTextureWrapMode.ClampToEdge)
        self.tls.wrapMode().setY(Qt3DRender.QTextureWrapMode.ClampToEdge)
        self.tls.setGenerateMipMaps(0)
        self.el.setSpecular(self.tls)
        self.rootEntity.addComponent(self.el)
Exemple #7
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def buildVertexAttrs(parent, array, attrspecs):

    # Measure the input array
    rows = len(array)
    columns = len(array[0])
    basetype = basetype_numpy_codes_reverse[array.dtype.type]
    basetype_width = basetype_widths[basetype]
    row_width = columns * basetype_width
    #print(columns, rows, basetype, basetype_width, row_width)

    # Convert input to a qt buffer
    rawstring = array.tobytes()
    byte_array = QByteArray(rawstring)
    qbuffer = Qt3DRender.QBuffer(parent)
    qbuffer.setData(byte_array)

    attrs = list()
    for asp in attrspecs:
        attr = Qt3DRender.QAttribute(parent)
        attr.setName(asp.name)
        attr.setVertexBaseType(basetype)
        attr.setVertexSize(asp.numcols)
        attr.setAttributeType(Qt3DRender.QAttribute.VertexAttribute)
        attr.setBuffer(qbuffer)
        attr.setByteStride(row_width)
        attr.setByteOffset(asp.column * basetype_width)
        attr.setCount(rows)
        attrs.append(attr)
    return attrs
Exemple #8
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    def set_texture(self, img_path: Path) -> None:
        # This is from https://stackoverflow.com/q/49887994/2826337
        # and from https://forum.qt.io/topic/106370/qdiffusespecularmaterial-diffuse-texture/4  # noqa: E501
        loader = Qt3DRender.QTextureLoader(self.entity)
        img_url = QUrl.fromLocalFile(str(img_path.resolve()))
        loader.setSource(img_url)

        self.material.setDiffuse(loader)
Exemple #9
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 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()
Exemple #10
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def buildIndexAttr(parent, array):

    basetype = basetype_numpy_codes_reverse[array.dtype.type]
    basetype_width = basetype_widths[basetype]

    basetype_width = array.itemsize
    rawstring = array.tobytes()
    byte_array = QByteArray(rawstring)
    qbuffer = Qt3DRender.QBuffer(parent)
    qbuffer.setData(byte_array)

    attr = Qt3DRender.QAttribute(parent)
    attr.setVertexBaseType(basetype)
    attr.setAttributeType(Qt3DRender.QAttribute.IndexAttribute)
    attr.setBuffer(qbuffer)
    attr.setCount(array.size)

    return attr
 def create_camera_filter(
     viewport: Qt3DRender.QViewport,
     visible_entity: Qt3DCore.QEntity,
     camera_to_filter: Qt3DRender.QCamera,
 ) -> Qt3DRender.QClearBuffers:
     """
     Filter the objects that are visible to a camera.
     :param viewport: The viewport that the camera is using.
     :param visible_entity: Only children of this entity will be visible to the camera.
     :param camera_to_filter: The camera to apply the filter to.
     :return: The clear buffers
     """
     layer_filter = Qt3DRender.QLayerFilter(viewport)
     layer = Qt3DRender.QLayer(visible_entity)
     visible_entity.addComponent(layer)
     layer.setRecursive(True)
     layer_filter.addLayer(layer)
     camera_selector = Qt3DRender.QCameraSelector(layer_filter)
     camera_selector.setCamera(camera_to_filter)
     clear_buffers = Qt3DRender.QClearBuffers(camera_selector)
     return clear_buffers
Exemple #12
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    def __init__(self, parent, vtx1, vtx2, color):
        super().__init__(parent)

        total_vertices = 2
        vertex_basetype = geom.basetypes.Float
        index_basetype = geom.basetypes.UnsignedShort

        vertex_nparr = np.zeros(
            [total_vertices, 7],
            dtype=geom.basetype_numpy_codes[vertex_basetype])
        vertex_nparr[0, :] = *vtx1[:], *color[:]
        vertex_nparr[1, :] = *vtx2[:], *color[:]

        self.geometry = Qt3DRender.QGeometry(self)

        position_attrname = Qt3DRender.QAttribute.defaultPositionAttributeName(
        )
        color_attrname = Qt3DRender.QAttribute.defaultColorAttributeName()

        attrspecs = [
            geom.AttrSpec(position_attrname, column=0, numcols=3),
            geom.AttrSpec(color_attrname, column=3, numcols=3)
        ]

        self.vtx_attrs = geom.buildVertexAttrs(self, vertex_nparr, attrspecs)
        for va in self.vtx_attrs:
            self.geometry.addAttribute(va)

        # Create qt3d index buffer
        index_nparr = np.arange(
            2, dtype=geom.basetype_numpy_codes[index_basetype])
        self.indexAttr = geom.buildIndexAttr(self, index_nparr)
        self.geometry.addAttribute(self.indexAttr)

        self.renderer = Qt3DRender.QGeometryRenderer(parent)
        self.renderer.setGeometry(self.geometry)
        self.renderer.setPrimitiveType(Qt3DRender.QGeometryRenderer.Lines)

        self.addComponent(self.renderer)
Exemple #13
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 def _athenaMaterial( self, qmlfile, vert_shader, frag_shader, geom_shader=None ):
     material = self._qmlLoad( qmlfile )
     shader_path = Path(ATHENA_SRC_DIR) / 'shaders'
     vert_shader = shader_path / vert_shader
     frag_shader = shader_path / frag_shader
     if( geom_shader ): geom_shader = shader_path / geom_shader
     def loadShader( s ):
         return Qt3DRender.QShaderProgram.loadSource( s.as_uri() )
     shader = Qt3DRender.QShaderProgram(material)
     shader.setVertexShaderCode( loadShader( vert_shader ) )
     if( geom_shader): shader.setGeometryShaderCode( loadShader( geom_shader ) )
     shader.setFragmentShaderCode( loadShader( frag_shader ) )
     for rpass in material.effect().techniques()[0].renderPasses():
         rpass.setShaderProgram( shader )
     return material
Exemple #14
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    def importerLoaded(self, status):
        if status != Kuesa.GLTF2Importer.Status.Ready:
            return

        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]
        orig_entity.removeComponent(orig_material)

        new_material = Kuesa.UnlitMaterial(orig_material.parent())

        # Materials need both an effect and material properties.
        # First create the Effect
        new_effect = Kuesa.UnlitEffect(new_material)

        new_effect.setBaseColorMapEnabled(False)
        new_effect.setUsingColorAttribute(True)
        new_effect.setDoubleSided(True)
        new_effect.setUseSkinning(False)
        new_effect.setOpaque(True)
        new_effect.setAlphaCutoffEnabled(True)

        new_material.setEffect(new_effect)

        # Then the properties
        new_props = Kuesa.UnlitProperties(new_material)

        new_props.setBaseColorUsesTexCoord1(True)
        new_props.setBaseColorFactor("white")

        # Load a texture
        new_tex = Qt3DRender.QTextureLoader(self.rootEntity)
        new_tex.setSource(assetsUrl() + "/models/car/KDAB.png")
        new_tex.setMinificationFilter(
            Qt3DRender.QAbstractTexture.LinearMipMapLinear)
        new_tex.setMagnificationFilter(Qt3DRender.QAbstractTexture.Linear)
        new_tex.wrapMode().setX(Qt3DRender.QTextureWrapMode.Repeat)
        new_tex.wrapMode().setY(Qt3DRender.QTextureWrapMode.Repeat)
        new_tex.setGenerateMipMaps(1)

        new_props.setBaseColorMap(new_tex)

        new_material.setUnlitProperties(new_props)

        orig_entity.addComponent(new_material)
    def create_attribute(self, buffer_values, name):
        SIZE_OF_FLOAT_IN_STRUCT = 4
        POINTS_IN_VECTOR = 3

        buffer = Qt3DRender.QBuffer(self)
        buffer.setData(convert_to_bytes(buffer_values))

        attribute = self.q_attribute(self)
        attribute.setAttributeType(self.q_attribute.VertexAttribute)
        attribute.setBuffer(buffer)
        attribute.setDataSize(POINTS_IN_VECTOR)
        attribute.setByteOffset(0)
        attribute.setByteStride(POINTS_IN_VECTOR * SIZE_OF_FLOAT_IN_STRUCT)
        attribute.setCount(len(buffer_values))
        attribute.setName(name)
        return attribute
Exemple #16
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    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)
Exemple #17
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    def create_gnomon_camera(self, main_camera):
        """
        Creates a camera for observing the gnomon. Borrows some settings from the main camera.
        :param main_camera: The main camera that views the instrument components.
        :return: The gnomon camera.
        """
        aspect = 1
        near_plane = 0.1

        # Set far plane so that the camera can see the gnomon even when it is turned "behind" it and the cylinders are
        # facing away from the camera.
        far_plane = 25

        gnomon_camera = Qt3DRender.QCamera()
        gnomon_camera.setParent(self.gnomon_root_entity)
        gnomon_camera.setProjectionType(main_camera.projectionType())
        gnomon_camera.lens().setPerspectiveProjection(
            main_camera.fieldOfView(), aspect, near_plane, far_plane)
        gnomon_camera.setUpVector(main_camera.upVector())
        gnomon_camera.setViewCenter(QVector3D(0, 0, 0))
        return gnomon_camera
    def __init__(self, component_root_entity: Qt3DCore.QEntity, line_length: float):
        """
        Class for housing the objects that create the axes in the instrument view.
        :param component_root_entity: The root entity for the instrument view components.
        :param line_length: The length of the line in the axes.
        """
        vertices = [0 for _ in range(3)]

        for i, color in enumerate(
            [AxisColors.X.value, AxisColors.Y.value, AxisColors.Z.value]
        ):
            mesh = Qt3DRender.QGeometryRenderer(component_root_entity)

            line_vertices = vertices[:]
            line_vertices[i] = line_length
            geometry = LineGeometry(
                QtCore.QByteArray(self.create_data_array(line_vertices)),
                component_root_entity,
            )

            self.set_mesh_properties(mesh, geometry)
            material = create_material(color, color, component_root_entity)
            create_qentity([mesh, material], component_root_entity)
Exemple #19
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    def __init__(self, window):

        self.window = window

        self.offscreenSurface = QOffscreenSurface()
        sformat = QSurfaceFormat.defaultFormat()
        sformat.setDepthBufferSize(32)
        self.offscreenSurface.setFormat( sformat )
        self.offscreenSurface.create()

        self.overlayCamera = Qt3DRender.QCamera()
        self.overlayCamera.setViewCenter( vec3d() )
        self.overlayCamera.setPosition( vec3d( 0, 0, -1 ) )
        self.overlayCamera.setUpVector( vec3d( 0, 1, 0 ) )
        self.overlayCamera.lens().setOrthographicProjection( -1, 1, -1, 1, -1, 1 )

        # Framegraph root #1 -- onscreen rendering
        self.surfaceSelector = Qt3DRender.QRenderSurfaceSelector()
        self.surfaceSelector.setSurface(window)
        self.root = self.surfaceSelector


        # Framgraph root #2 -- Used for offscreen renders, not in the graph by default
        # During screenshots, offscreenSurfaceSelector becomes the root
        # and the branch roots will become a child of renderTargetSelector
        self.offscreenSurfaceSelector = Qt3DRender.QRenderSurfaceSelector()
        self.offscreenSurfaceSelector.setSurface(self.offscreenSurface)
        self.renderTargetSelector = Qt3DRender.QRenderTargetSelector(self.offscreenSurfaceSelector)
        self.targetTexture = OffscreenRenderTarget(self.renderTargetSelector)
        self.renderTargetSelector.setTarget(self.targetTexture)
        self.noDraw2 = Qt3DRender.QNoDraw(self.renderTargetSelector)

        # Branch 1: clear buffers
        self.clearBuffers = Qt3DRender.QClearBuffers(self.surfaceSelector)
        self.clearBuffers.setBuffers(Qt3DRender.QClearBuffers.ColorDepthBuffer)
        self.clearBuffers.setClearColor(Qt.white)
        self.noDraw = Qt3DRender.QNoDraw(self.clearBuffers)

        # Branch 2: main drawing branches using the Athena camera
        self.cameraSelector = Qt3DRender.QCameraSelector(self.surfaceSelector)
        self.cameraSelector.setCamera(window.camera())

        # Branch 2A: solid objects
        self.viewport = Qt3DRender.QViewport(self.cameraSelector)
        self.viewport.setNormalizedRect(QRectF(0, 0, 1.0, 1.0))
        self.qfilt = Qt3DRender.QTechniqueFilter(self.viewport)
        self.solidPassFilter = Qt3DRender.QFilterKey(self.qfilt)
        self.solidPassFilter.setName('pass')
        self.solidPassFilter.setValue('solid')
        self.qfilt.addMatch(self.solidPassFilter)

        # Branch 2B: transparent objects
        self.viewport2 = Qt3DRender.QViewport(self.cameraSelector)
        self.viewport2.setNormalizedRect(QRectF(0, 0, 1.0, 1.0))
        self.qfilt2 = Qt3DRender.QTechniqueFilter(self.viewport2)
        self.transPassFilter = Qt3DRender.QFilterKey(self.qfilt2)
        self.transPassFilter.setName('pass')
        self.transPassFilter.setValue('transp')
        self.qfilt2.addMatch(self.transPassFilter)

        # Branch 3: 2D screen overlays
        self.cameraSelector2 = Qt3DRender.QCameraSelector(self.surfaceSelector)
        self.cameraSelector2.setCamera(self.overlayCamera)
        self.viewport3 = Qt3DRender.QViewport(self.cameraSelector2)
        self.viewport3.setNormalizedRect(QRectF(0, 0, 1.0, 1.0))
        self.qfilt3 = Qt3DRender.QTechniqueFilter(self.viewport3)
        self.overlayPassFilter = Qt3DRender.QFilterKey(self.viewport3)
        self.overlayPassFilter.setName('pass')
        self.overlayPassFilter.setValue('overlay')
        self.qfilt3.addMatch(self.overlayPassFilter)

        # Branch 4: render capture branch for taking screenshots
        self.renderCapture = Qt3DRender.QRenderCapture(self.surfaceSelector)
        self.noDraw3 = Qt3DRender.QNoDraw(self.renderCapture)

        # Branch roots are the bits that need reparenting when switching between
        # offscreen and onscreen rendering
        self.branchRoots = [ self.clearBuffers, self.cameraSelector, self.cameraSelector2, self.renderCapture ]
Exemple #20
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    def __init__(self, parent=None):
        super().__init__(parent)
        self.rnd_lat = random.randrange(5200,5300)  / 100.0
        self.rnd_hdg = random.randrange(-300,300)  / 100.0
        self.rnd_dec = random.randrange(-50,50) / 10.0

        print(self.rnd_lat, self.rnd_hdg, self.rnd_dec)

        self.view = Qt3DExtras.Qt3DWindow()
        self.view.defaultFrameGraph().setClearColor(QtGui.QColor("#4d4d4f"))
        self.container = QtWidgets.QWidget.createWindowContainer(self.view)
        self.vLayout = QtWidgets.QVBoxLayout(self)
        self.vLayout.addWidget(self.container, 1)

        self.input_aspect = Qt3DInput.QInputAspect()
        self.view.registerAspect(self.input_aspect)

        self.rootEntity = Qt3DCore.QEntity()
        self.view.setRootEntity(self.rootEntity)

        ###

        cameraEntity = self.view.camera()
        cameraEntity.lens().setPerspectiveProjection(5.0, 16.0 / 9.0, 10, 100000.0)
        cameraEntity.setPosition(QtGui.QVector3D(0, 1000, 50000))
        cameraEntity.setUpVector(QtGui.QVector3D(0, 1, 0))
        cameraEntity.setViewCenter(QtGui.QVector3D(0, 1000, 0))

        self.camController = Qt3DExtras.QOrbitCameraController(self.rootEntity)
        self.camController.setCamera(cameraEntity)

        ###

        self.lightEntity = Qt3DCore.QEntity(self.rootEntity)
        self.light = Qt3DRender.QPointLight(self.lightEntity)
        self.light.setColor("white")
        self.light.setIntensity(1)

        self.lightTransform = Qt3DCore.QTransform(self.lightEntity)
        self.lightTransform.setTranslation(cameraEntity.position())

        self.lightEntity.addComponent(self.light)
        self.lightEntity.addComponent(self.lightTransform)

        ### sky
        # self.skyMesh = Qt3DExtras.QSphereMesh(radius=5000, rings=94, slices=48)
        # self.skyMaterial = Qt3DExtras.QPhongMaterial(diffuse=QtGui.QColor("#ff0000"))

        # self.skyEntity = Qt3DCore.QEntity(self.rootEntity)
        # self.skyEntity.addComponent(self.skyMesh)
        # self.skyEntity.addComponent(self.skyMaterial)

        ### hdg, x right, y up

        # Cylinder cog = (0,0,0) long direction = y
        self.hdgMesh = Qt3DExtras.QCylinderMesh(length=1200.0, radius=100.0, rings=100, slices=20)
        rotation = QtGui.QQuaternion.fromAxisAndAngle(QtGui.QVector3D(0.0, 0.0, 1.0), 15.0)
        translation = QtGui.QVector3D(0.0, 600.0, 0.0)
        self.hdgTransform = Qt3DCore.QTransform(translation=translation, rotation=rotation)
        self.hdgMaterial = Qt3DExtras.QPhongMaterial(diffuse=QtGui.QColor("#ff0000"))
        self.hdgEntity = Qt3DCore.QEntity(self.rootEntity)
        self.hdgEntity.addComponent(self.hdgMesh)
        self.hdgEntity.addComponent(self.hdgMaterial)
        self.hdgEntity.addComponent(self.hdgTransform)

        ### lat x up, y left
        self.latMesh = Qt3DExtras.QCylinderMesh(length=200.0, radius=100.0, rings=100, slices=20)
        rotation = QtGui.QQuaternion.fromAxisAndAngle(QtGui.QVector3D(0.0, 0.0, 1.0), 90.0)
        translation = QtGui.QVector3D(0.0, 700.0, 0.0)
        self.latTransform = Qt3DCore.QTransform(rotation=rotation, translation=translation)
        self.latMaterial = Qt3DExtras.QPhongMaterial(diffuse=QtGui.QColor("#00ff00"))
        self.latEntity = Qt3DCore.QEntity(self.hdgEntity)
        self.latEntity.addComponent(self.latMesh)
        self.latEntity.addComponent(self.latMaterial)
        self.latEntity.addComponent(self.latTransform)

        ### ra x up, y left

        self.raMesh = Qt3DExtras.QCylinderMesh(length=500.0, radius=100.0, rings=100, slices=20)
        rotation1 = QtGui.QQuaternion.fromAxisAndAngle(QtGui.QVector3D(0.0, 0.0, -1.0), 90)
        rotation2 = QtGui.QQuaternion.fromAxisAndAngle(QtGui.QVector3D(-1.0, 0.0, 0.0), 90)
        rotation = rotation1 * rotation2
        translation = QtGui.QVector3D(200.0, 0.0, 0.0)
        self.raTransform = Qt3DCore.QTransform(rotation=rotation, translation=translation)
        self.raMaterial = Qt3DExtras.QPhongMaterial(diffuse=QtGui.QColor("#beb32b"))
        self.raEntity = Qt3DCore.QEntity(self.latEntity)
        self.raEntity.addComponent(self.raMesh)
        self.raEntity.addComponent(self.raMaterial)
        self.raEntity.addComponent(self.raTransform)

        ### dec

        self.decMesh = Qt3DExtras.QCylinderMesh(length=500.0, radius=100.0, rings=100, slices=20)
        rotation = QtGui.QQuaternion.fromAxisAndAngle(QtGui.QVector3D(1.0, 0.0, 0.0), 90.0)
        translation = QtGui.QVector3D(0.0, 350.0, 0.0)
        self.decTransform = Qt3DCore.QTransform(rotation=rotation, translation=translation)
        self.decMaterial = Qt3DExtras.QPhongMaterial(diffuse=QtGui.QColor("#0000ff"))
        self.decEntity = Qt3DCore.QEntity(self.raEntity)
        self.decEntity.addComponent(self.decMesh)
        self.decEntity.addComponent(self.decMaterial)
        self.decEntity.addComponent(self.decTransform)

        ### tube

        self.tubeMesh = Qt3DExtras.QCylinderMesh(length=1200.0, radius=100.0, rings=100, slices=20)

        rotation = QtGui.QQuaternion.fromAxisAndAngle(QtGui.QVector3D(-1.0, 0.0, 0.0), 90.0)
        translation = QtGui.QVector3D(0.0, 350.0, 100.0)
        self.tubeTransform = Qt3DCore.QTransform(rotation=rotation, translation=translation)
        self.tubeMaterial = Qt3DExtras.QPhongMaterial(diffuse=QtGui.QColor("#ffffff"))
        self.tubeEntity = Qt3DCore.QEntity(self.decEntity)
        self.tubeEntity.addComponent(self.tubeMesh)
        self.tubeEntity.addComponent(self.tubeMaterial)
        self.tubeEntity.addComponent(self.tubeTransform)

        self.ocuMesh = Qt3DExtras.QCylinderMesh(length=100.0, radius=50.0, rings=100, slices=20)
        translation = QtGui.QVector3D(0.0, -650.0, 0.0)
        self.ocuTransform = Qt3DCore.QTransform(translation=translation)
        self.ocuMaterial = Qt3DExtras.QPhongMaterial(diffuse=QtGui.QColor("#ffffff"))
        self.ocuEntity = Qt3DCore.QEntity(self.tubeEntity)
        self.ocuEntity.addComponent(self.ocuMesh)
        self.ocuEntity.addComponent(self.ocuMaterial)
        self.ocuEntity.addComponent(self.ocuTransform)

        self.fakeMesh = Qt3DExtras.QCuboidMesh(xExtent=500, yExtent=500, zExtent=500)
        translation = QtGui.QVector3D(-1000.0, 0, 0.0)
        self.fakeTransform = Qt3DCore.QTransform(translation=translation)
        self.fakeMaterial = Qt3DExtras.QPhongMaterial(diffuse=QtGui.QColor("#ffffff"))
        self.fakeEntity = Qt3DCore.QEntity(self.rootEntity)
        self.fakeEntity.addComponent(self.fakeMesh)
        self.fakeEntity.addComponent(self.fakeMaterial)
        self.fakeEntity.addComponent(self.fakeTransform)

        self._heading = 0
        self._latitude = 45
        self._ra = 0
        self._dec = 90
Exemple #21
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    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)
Exemple #22
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 def init( self ):
     param = Qt3DRender.QParameter( self.rootEntity )
     param.setName( key )
     param.setValue( value )
     setattr( self, attr_name, param )