The Engine COMP will run a .tox file (component) in a separate process. It uses the TouchEngine API to manage these processes and pass data between the loaded component and the main project.
Ins and Outs The chosen component's top-level Ins and Outs are exposed as Ins and Outs on the Engine COMP.
Custom Parameters Any custom parameters on the top-level component are added to the Engine COMP's parameters. Read-only parameters are not added.
Note that parameters work in one direction only - you cannot set a parameter from within the loaded .tox.
This is a work in progress - currently the following restrictions apply:
- Only TOP, CHOP and DAT Ins and Outs are supported.
Parameters - Engine Page
file - Specify the .tox file to load with TouchEngine.
TouchEngine is installed as part of TouchDesigner, and the currently running version will be used to load the given .tox. If you wish to use a different version of TouchEngine, locate it in a folder named
TouchEngine alongside the .tox (you can also use a link to another installation - name the link
reload - Reload the .tox file, restarting the TouchEngine instance.
keepalive - If the TouchEngine instance quits for any reason, restart it.
clock - ⊞ - Specify the temporal connection to the TouchEngine instance.
synced- Time is strictly synchronized between the Engine COMP and the TouchEngine instance.
independent- The TouchEngine instance runs according to its own internal clock.
Wait for Render
wait - The Engine COMP will wait during cooking rather than dropping late frames from TouchEngine.
power - Turn cooking in the TouchEngine instance on or off.
In Buffer Auto
inauto - Automatically manage the number of input frames queued.
In Buffer Frames
inframes - The number of input frames to queue before passing them to the TouchEngine instance.
To accommodate potential fluctations in time-slice in the TouchEngine instance, CHOP inputs must send a number of frames ahead of time.
Out Buffer Auto
outauto - Automatically manage the number of output frames queued.
Out Buffer Frames
outframes - The number of output frames to queue after receiving them from the TouchEngine instance.
To accommodate potential fluctations in time-slice in the Engine COMP, CHOP outputs must send a number of frames ahead of time.
Parameters - Extensions Page
The Extensions parameter page sets the component's python extensions. Please see extensions for more information.
reinitextensions - Recompile all extension objects. Normally extension objects are compiled only when they are referenced and their definitions have changed.
Extension Object 1
extension1 - A number of class instances that can be attached to the component.
Extension Name 1
extname1 - Optional name to search by, instead of the instance class name.
Promote Extension 1
promoteextension1 - Controls whether or not the extensions are visible directly at the component level, or must be accessed through the
.ext member. Example:
Parameters - Common Page
parentshortcut - Specifies a name you can use anywhere inside the component as the path to that component. See Parent Shortcut.
opshortcut - Specifies a name you can use anywhere at all as the path to that component. See Global OP Shortcut.
Internal OP Shortcut 1
iopshortcut1 - Specifies a name you can use anywhere inside the component as a path to "Internal OP" below. See Internal Operators.
iop1 - The path to the Internal OP inside this component. See Internal Operators.
nodeview - ⊞ - Determines what is displayed in the node viewer, also known as the Node Viewer. Some options will not be available depending on the Component type (Object Component, Panel Component, Misc.)
- Default Viewer
default- Displays the default viewer for the component type, a 3D Viewer for Object COMPS and a Control Panel Viewer for Panel COMPs.
- Operator Viewer
opviewer- Displays the node viewer from any operator specified in the Operator Viewer parameter below.
opviewer - Select which operator's node viewer to use when the Node View parameter above is set to Operator Viewer.
Keep in Memory
keepmemory - Used only for Panel Components this keeps the panel in memory to it doesn't reload every time it is displayed.
enablecloning - Control if the OP should be actively cloned.
Enable Cloning Pulse
enablecloningpulse - Instantaneously clone the contents.
clone - Path to a component used as the Master Clone.
Load on Demand
loadondemand - Loads the component into memory only when required. Good to use for components that are not always used in the project.
externaltox - Path to a
.tox file on disk which will source the component's contents upon start of a
.toe. This allows for components to contain networks that can be updated independently. If the
.tox file can not be found, whatever the
.toe file was saved with will be loaded.
Reload .tox on Start
reloadtoxonstart - When on (default), the external .tox file will be loaded when the .toe starts and the contents of the COMP will match that of the external .tox. This can be turned off to avoid loading from the referenced external .tox on startup if desired (the contents of the COMP are instead loaded from the .toe file). Useful if you wish to have a COMP reference an external .tox but not always load from it unless you specifically push the Re-Init Network parameter button.
Reload Built-In Parameters
reloadbuiltin - When this checkbox is enabled, the values of the component's built-in parameters are reloaded when the .tox is reloaded.
Save Backup of External
savebackup - When this checkbox is enabled, a backup copy of the component specified by the External
.tox parameter is saved in the
.toe file. This backup copy will be used if the External
.tox can not be found. This may happen if the
.tox was renamed, deleted, or the
.toe file is running on another computer that is missing component media.
Sub-Component to Load
subcompname - When loading from an External
.tox file, this option allows you to reach into the
.tox and pull out a COMP and make that the top-level COMP, ignoring everything else in the file (except for the contents of that COMP). For example if a
.tox file named
geo1 as the Sub-Component to Load, will result in
geo1 being loaded in place of the current COMP. If this parameter is blank, it just loads the
.tox file normally using the top level COMP in the file.
reinitnet - This button will re-load from the external
.tox file (if present), followed by re-initializing itself from its master, if it's a clone.
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