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Python サンプル コード

「チュートリアル 10: サービスで Qt シグナルを使用する方法」のビデオ用の Python スクリプトの例を示します。

service_signals.py

# Example 1.0
# Connecting to service signals 
# vrAttachmentService
def annotationCreatedCallback(annotation):
    print("Created annotation", annotation)

def annotationAddedCallback():
    print("Added annotation")

def annotationsDeletedCallback():
    print("Deleted annotation")

def annotationsShowChangedCallback(visible):
    print("Annotations are visible: ", visible)

`vrAnnotationService`.annotationCreated.connect(annotationCreatedCallback)
`vrAnnotationService`.annotationsAdded.connect(annotationAddedCallback)
`vrAnnotationService`.annotationsDeleted.connect(annotationsDeletedCallback)
`vrAnnotationService`.showAnnotationsChanged.connect(annotationsShowChangedCallback)

# vrNodeService
def nodesChanged(nodes):
    print("Nodes changed: Rebuilding find cache...")
    vrNodeService.clearFindCache()
    vrNodeService.initFindCache()

vrNodeService.nodesAdded.connect(nodesChanged)
vrNodeService.nodesRemoved.connect(nodesChanged)

# Listening to general object changes
def propertyChanged(obj, propertyName):
   print("object name: {}, property name: {}".format(obj.getName(), propertyName))

vrObjectService.propertyChanged.connect(propertyChanged)

service_signals_sessions.py

# https://knowledge.autodesk.com/support/vred-products/learn-explore/caas/CloudHelp/cloudhelp/2021/ENU/VRED/files/Python-Documentation/Python-Examples/VRED-Python-Documentation-Python-Examples-Visualize-user-positions-html.html
# This scripts shows an overview of user positions in a collaboration sesion
class UserMap(vrAEBase):

    def __init__(self):
        vrAEBase.__init__(self)
        self.spheres = {}
        self.addLoop()
        # callback sesson start/stop
        vrSessionService.sessionJoined.connect(self.started)
        vrSessionService.sessionLeft.connect(self.ended)
        # callback user joins/leaves session
        vrSessionService.userArrives.connect(self.userArrived)
        vrSessionService.userLeaves.connect(self.userLeaves)

    def loop(self):
        # this is my local camera position
        myPos = getTransformNodeTranslation(vrSessionService.getUser().getHeadNode(),True)
        for user in vrSessionService.getRemoteUsers():
            sphere = self.spheres[user.getUserId()]
            # this is the users head transformation node
            pos = getTransformNodeTranslation(user.getHeadNode(),True)
            # move indicator for user position
            setTransformNodeTranslation(sphere,(pos.x()-myPos.x())/100,(pos.y()-myPos.y())/100,-500,False)

    def started(self):
        self.group = createNode("Group", "UserMap", vrCameraService.getActiveCamera())
        self.plane = createCylinder(2, 100, 50, True, True, True, .0, .1, .0)
        self.setTransparent(self.plane)
        addChilds(self.group,[self.plane])
        color = vrSessionService.getUser().getUserColor()
        sphere = createSphere(3, 2, color.redF(), color.greenF(), color.blueF())
        addChilds(self.group,[sphere])
        setTransformNodeTranslation(sphere,0,0,-500,False)
        setTransformNodeRotation(self.plane, 90, 0, 0)
        setTransformNodeTranslation(self.plane, 0, 0, -500, False)
        self.setActive(True)

    def ended(self):
        subChilds(self.group,[self.plane])
        subChilds(vrCameraService.getActiveCamera(),[self.group])
        self.setActive(False)

    def userArrived(self,user):
        color = user.getUserColor()
        sphere = createSphere(2, 2, color.redF(), color.greenF(), color.blueF())
        addChilds(self.group,[sphere])
        self.spheres[user.getUserId()] = sphere

    def userLeaves(self,user):
        sphere = self.spheres[user.getUserId()]
        subChilds(self.group,[sphere])

    def setTransparent(self,node):
        node.getMaterial().fields().setVec3f("seeThrough",.95,.95,.95)

map = UserMap()

vr_message_service.py

# Utilizing `vrMessageService`
def receivedMessage(message_id, args):
    messages = (
        'VRED_MSG_ARGV',
        'VRED_MSG_CHANGED_CAMERA_UP',
        'VRED_MSG_CHANGED_MATERIAL',
        'VRED_MSG_CHANGED_PB_PARAMETERS',
        'VRED_MSG_CHANGED_SCENEGRAPH',
        'VRED_MSG_CONVERT_OSF_FILE',
        'VRED_MSG_DESELECTED_NODE',
        'VRED_MSG_EXPORTED_FILE',
        'VRED_MSG_IDLE',
        'VRED_MSG_IMPORTED_FILE',
        'VRED_MSG_INIT',
        'VRED_MSG_KEY_PRESSED',
        'VRED_MSG_KEY_RELEASED',
        'VRED_MSG_LOADED_GEOMETRY',
        'VRED_MSG_LOOP',
        'VRED_MSG_NEW_SCENE',
        'VRED_MSG_NONE',
        'VRED_MSG_PRENEW_SCENE',
        'VRED_MSG_PRE_QUIT',
        'VRED_MSG_PROJECT',
        'VRED_MSG_PROJECT_LOADED',
        'VRED_MSG_PROJECT_MERGED',
        'VRED_MSG_SAVED_GEOMETRY',
        'VRED_MSG_SELECTED_CAMERA',
        'VRED_MSG_SELECTED_LIGHT',
        'VRED_MSG_SELECTED_MATERIAL',
        'VRED_MSG_SELECTED_NODE',
        'VRED_MSG_SWITCH_MATERIAL_CHANGED',
        'VRED_MSG_UPDATE_UI',
        'VRED_MSG_USER',
        )

    # Print the message that was signaled
    for message in messages:
        if message_id == getattr(vrController, message):
            print(message)

    # Listen specifically to the SELECTED CAMERA message
    if message_id == vrController.VRED_MSG_SELECTED_CAMERA:
        print("Camera selected!")

`vrMessageService`.message.connect(receivedMessage)