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  2. UDT In DAT

    UDT In DAT

    Summary

    NOTE This DAT has been removed from TouchDesigner 2021 Official builds and later.

    The UDT In DAT is used for receiving information over a UDT connection between two remotely located computers. It captures all the messages without any queuing or buffering, and allows you to send it any messages you want. UDT Streaming is a reliable, streaming, connection orientated protocol. A single server can send to multiple clients at the same time.

    Handle received messages using the callback DAT attached to the UDT In DAT. Send replies using the udtinDAT_Class.

    See also Peer Class, UDT Out DAT, Network Protocols.

    NOTE for Windows OS - If experiencing connection issues make sure Windows Firewall is disabled.

    PythonIcon.pngudtinDAT_Class


    Parameters - Connect Page

    Protocol protocol - ⊞ - Select which protocol to use, refer to the Network Protocols article for more information.
    • Fast Streaming faststreaming -
    • Reliable Messaging reliablemsging -

    Network Address address - You can put an IP address to listen on (224.0.0.1). This parameter is only needed for multicast protocols.

    Port port - The network port the listen on.

    Shared Connection shared - Use the same connection as other networking DATs using the same network protocol.

    Row/Callback Format format - ⊞ - Determines how the incoming data is parsed into the table.
    • One Per Byte perbyte - One row is added to the table per byte received.
    • One Per Line perline - One row is added to the table per line received.
    • One Per Message permessage - One row is added to the table per message received.

    Active active - This check box enables the connection.


    Parameters - Received Data Page

    Callbacks DAT callbacks - The Callbacks DAT will execute once for each message coming in. See udtinDAT_Class for usage.

    Execute from executeloc - ⊞ - Determines the location the script is run from.
    • Current Node current - The script is executed from the current node location
    • Callbacks DAT callbacks - The script is executed from the location of the DAT specified in the Callbacks DAT parameter.
    • Specified Operator op - The script is executed from the operator specified in the From Operator parameter below.

    From Operator fromop - The operator whose state change will trigger the DAT to execute its script when Execute from is set to Specified Operator. This operator is also the path that the script will be executed from if the Execute from parameter is set to Specified Operator.

    Clamp Output clamp - The DAT is limited to 100 messages by default but with Clamp Output, this can be set to anything including unlimited.

    Maximum Lines maxlines - Limits the number of messages, older messages are removed from the list first.

    Clear Output clear - Deletes all lines except the heading. To clear with a python script op("opname").par.clear.pulse()

    Bytes Column bytes - Outputs the raw bytes of the message in a separate column.


    Parameters - Common Page

    Language language - ⊞ - Select how the DAT decides which script language to operate on.
    • Input input - The DAT uses the inputs script language.
    • Node node - The DAT uses it's own script language.
    Edit/View Extension extension - ⊞ - Select the file extension this DAT should expose to external editors.
    • dat dat - various common file extensions.
    • From Language language - pick extension from DATs script language.
    • Custom Extension custom - Specify a custom extension.
    Custom Extension customext - Specifiy the custom extension.

    Word Wrap wordwrap - ⊞ - Enable Word Wrap for Node Display.
    • Input input - The DAT uses the inputs setting.
    • On on - Turn on Word Wrap.
    • Off off - Turn off Word Wrap.

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