Introduction To TOPs Vid

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UPDATE: At 13:00 into this vid the tutorial shows exporting from a CHOP to a TOP parameter using the CHOP Exporter in 077. In more recent versions of TouchDesigner, the CHOP Exporter has been removed. To export the the CHOP channel follow these instructions.

  1. Turn on the Viewer Active flag on the CHOP null1.
  2. Drag the chan1 channel from the CHOP viewer and drop it on the first Scale parameter (sx) of the transform3 TOP.
  3. Select Export CHOP from the pop-up dialog.

Refer to CHOP Export for additional help exporting CHOP channels in more recent versions of TouchDesigner.

See also Introduction to TOPs Vid Notes.

An Operator Family which operate on Channels (a series of numbers) which are used for animation, audio, mathematics, simulation, logic, UI construction, and many other applications.

An Operator Family that creates, composites and modifies images, and reads/writes images and movies to/from files and the network. TOPs run on the graphics card's GPU.

A state of a node where you can operate the contents of its viewer, like operate the gadgets of a panel in a node viewer, or 3D data in the viewer of a Geometry component. With Viewer Active off you can select, move and delete nodes by clicking/dragging on them, even if the viewer is visible.

Exporting is the connection of CHOP channels to parameters of operators. The output of each exporting CHOP is one or more channels, active only while the CHOP Viewer is on. The current value of a channel can be exported to a parameter of any operator, overriding that parameter's value. See Parameter.