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Basics of rendering and exporting
Rendering and exporting overview
Rendering is the creation of the frames of a movie from a composition. The rendering of a frame is the creation of a composited two-dimensional image from all the layers, settings, and other information in a composition that makes up the model for that image. The rendering of a movie is the frame-by-frame rendering of each of the frames that make up the movie. For more information on how each frame is rendered, see Render order and collapsing transformations.
It is common to speak of rendering as if this term only applies to final output. However, the processes of creating previews for the Footage, Layer, and Composition panels are also kinds of rendering. In fact, it is possible to save a preview as a movie and use that as your final output. (See Preview video and audio.)
After a composition is rendered for final output, it is processed by one or more output modules that encode the rendered frames into one or more output files. This process of encoding rendered frames into files for output is one kind of exporting.
After Effects provides various rendering options that help you accelerate the rendering process. GPU acceleration offers better speed and precision in rendering your effects. The Video Rendering and Effects dropdown in the Project Settings dialog box gives you the following GPU effect rendering options to choose from:
Note: GPU-accelerated effects may render with small color precision differences in an 8-bpc project when compared to CPU-only rendering. Set the project to 16-bpc or 32-bpc for accurate results.
After you have completed a composition, you can output a movie file. There are two different methods of outputting a movie file. Choose the one based on your needs.
You might need a movie file for the following reasons:
You need a high-quality movie (with or without an alpha channel) or image sequence that will be placed in a Premiere Pro sequence, or used in another video editing, compositing, or 3D graphics application.
To create a high-quality movie file, render it with the Render Queue. See Render and export with the Render Queue panel.
You need a compressed movie that will be played on the web, or used for DVD or Blu-ray disc.
To create a high-quality movie file that is compressed for the web, DVD, or Blu-ray disc, encode it using the Adobe Media Encoder. See The Adobe Media Encoder.
Some kinds of exporting don’t involve rendering and are for intermediate stages in a workflow, not for final output. For example, you can export a project as an Adobe Premiere Pro project by choosing File > Export > Adobe Premiere Pro Project. The project information is saved without rendering. In general, data transferred through Dynamic Link is not rendered.
A movie can be made into a single output file that contains all the rendered frames, or it can be made into a sequence of still images (as you would do when creating output for a film recorder).
To generate output, you can either render your compositions using the After Effects render queue or add your compositions to the Adobe Media Encoder queue with the render settings that you have chosen in the Render Queue panel.
For the Render Queue, After Effects uses an embedded version of the Adobe Media Encoder to encode most movie formats through the Render Queue panel. When you manage render and export operations with the Render Queue panel, the embedded version of the Adobe Media Encoder is called automatically. The Adobe Media Encoder appears only in the form of the export settings dialog boxes with which you specify some encoding and output settings. (See Encoding and compression options for movies.)
The embedded version of the Adobe Media Encoder used to manage export settings within After Effects output modules does not provide all the features of the full, stand-alone Adobe Media Encoder application.
Render and export with the Render Queue panel
The primary way of rendering and exporting movies from After Effects is through the Render Queue panel.
When you place a composition into the Render Queue panel, it becomes a render item. You can add many render items to the render queue, and After Effects can render multiple items in a batch, unattended. When you click the Render button in the upper-right corner of the Render Queue panel, all items with the status of Queued are rendered and output in the order in which they are listed in the Render Queue panel.
You do not need to render a movie multiple times to export it to multiple formats with the same render settings. You can export multiple versions of the same rendered movie by adding output modules to a render item in the Render Queue panel.
When working with multiple render items, it is often useful to add comments in the Comment column in the Render Queue panel. If the Comment column is not visible, right-click (Windows) or Control-click (Mac OS) a column heading, and choose Columns > Comment.
Manage render items
In the Render Queue panel, you can manage several render items at once, each with its own render settings and output module settings.
Render settings determine the following characteristics:
Output module settings—which are applied after render settings—determine post-rendering characteristics such as the following:
You can create templates that contain commonly used render settings and output module settings.
Using the Render Queue panel, you can render the same composition to different formats or with different settings, all with one click of the Render button, for example:
You can output to a sequence of still images, such as a Cineon sequence, which you can then transfer to film for cinema projection.
You can output using lossless compression (or no compression) to a QuickTime container for transfer to a non-linear editing (NLE) system for video editing.
You can select, duplicate, and reorder render items using many of the same keyboard shortcuts that you use for working with layers and other items. See General (keyboard shortcuts).
To transfer the output rendered from After Effects to film or video, you must have the proper hardware for film or video transfer, or have access to a service bureau that can provide transfer services.
Automated rendering and network rendering
Automating rendering with aerender
The executable file aerender.exe is a program with a command-line interface with which you can automate rendering. The executable file is located in the same folder as the primary After Effects application. The default locations for this file are:
Windows: \Program Files\Adobe\Adobe After Effects CC\Support Files
Mac OS: /Applications/Adobe After Effects CC
You can use the aerender application to perform rendering operations on multiple computers as part of a render farm, or you can use the aerender application on a single computer as part of a batch operation.
The version and build number of the application are written to standard output (stdout).
The render may be performed either by an already running instance of After Effects or by a newly started instance. By default, aerender starts a new instance of After Effects, even if one is already running. To instead use the currently running instance, use the –reuse argument.
This example command tells After Effects to render frames 1 through 10 of Composition_1 in project_1.aep to a numbered sequence of Photoshop files using a multi-computer render:
To render just Composition_1 to a specified file, enter this command:
To render everything in the render queue with current settings in the project file, enter this command:
Print usage message.
displays the version number of aerender to the console. Does not render
where verbose_flag specifies the type of messages reported. Possible values are ERRORS (prints only fatal and problem errors) or ERRORS_AND_PROGRESS (prints progress of rendering as well).
use this flag if you want to try and reuse an already running instance of AE to perform the render. By default, aerender will launch a new instance of After Effects, even if one is already running. But, if AE is already running, and the «-reuse» flag is provided, then aerender will ask the already running instance of AE to perform the render. Whenever aerender launches a new instance of AE, it will tell AE to quit when rendering is completed; otherwise, it will not quit AE. Also, the preferences will be written to file upon quit when the «-reuse» flag is specified; otherwise it will not be written.
where image_cache_percent specifies the maximum percent of memory used to cache already rendered images/footage, and max_mem_percent specifies the total percent of memory that can be used by After Effects.
where project_path is a file path or URI specifying a project file to open. If none is provided, aerender will work with the currently open project. If no project is open and no project is provided, an error will result.
start_frame is the first frame to render. Default is the start frame in the file.
end_frame is the last frame to render. Note, this is «inclusive;» the final frame will be rendered.
where increment is the number of frames to advance before rendering a new frame. A value of 1 (the default) results in a normal rendering of all frames. Higher increments will repeat the same (frame increment-1) times and then render a new one, starting the cycle again. Higher values result in faster renders but choppier motion. Default is 1.
where output_module_template is the name of a template to apply to the output module. If the template does not exist it is an error. Default is to use the template already defined for the output module.
«–RStemplate render_sett ings_template»
where render_settings_template is the name of a template to apply to the render queue item.If the template does not exist it is an error. Default is to use the render template already defined for the item.
where output_path is a file path or URI specifying the destination render file. Default is the path already in the project file.
here logfile_path is a file path or URI specifying the location of the log file. Default is stdout.
where sound_flag specifies whether or not to play a sound when rendering is complete. Possible values are «ON» or «OFF». Default value is «OFF».
where close_flag specifies whether or not to close the project when done rendering, and whether or not to save changes. If close_flag is DO_NOT_SAVE_CHANGES, project will be closed without saving changes. If close_flag is SAVE_CHANGES, project will be closed and changes will be saved. If close_flag is DO_NOT_CLOSE the project will be left open; but the project is left open only if using an already-running nstance of AE, since new invocations AE must always close and quit when done. Default value is DO_NOT_SAVE_CHANGES.
Do not stop rendering on missing footage. Log and render with placeholder color bars.
Lloyd Alvarez provides a script on his After Effects Scripts website that takes items that are ready to render in the render queue and sends them to render in the background using aerender.
Network rendering with watch folders and render engines
You can render one or more compositions from a project using multiple computers over a network in a fraction of the time that a single computer would require. Network rendering involves copying the project and source files to a networked folder, and then rendering the project. A network of computers used together to render a single composition is sometimes called a render farm.
Render farming is when a network of computers is used together to render a single composition. You can set this up to work with render-only versions of After Effects called render engines.
You can install render engines in the same manner as the full version of the application. You run the render engine using the Adobe After Effects Render Engine shortcut in the Adobe After Effects CC folder. For more information, see same composition Setup and installation.
You cannot use a watch folder and multiple render engines to simultaneously render a single movie file. However, in render farming, you can use multiple render engines to render a movie as a sequence of still-image files. You can then use a post-render action to create a single movie file from that still-image sequence. For more information, see Post-render actions.
Network considerations
When working with multiple render engines on multiple computers, keep in mind the following guidelines:
When possible, identify folders using absolute file paths so that the paths are correctly identified for all render engines. Identifying folders using absolute file paths may mean mapping network drives to a particular drive letter on all computers (for example, H:\renders\watch\). Avoid using relative paths (for example, \\renders\watch).
Each Macintosh computer monitoring the watch folder must have a unique name. Because the default names of computers are often identical, you should rename your computers to not use the default name.
Make sure that all servers and clients (computers monitoring the watch folder) have hard drives with unique names.
Do not use the same computer to serve a watch folder and to run After Effects in Watch Folder mode. Use a dedicated server that’s accessible to all render engines to serve your watch folder.
Do not render to or initiate Watch Folder mode on the root of a volume or a shared folder that appears as the root when viewed from another computer. Specify a subfolder instead. Also, avoid using high-ASCII or other extended characters and slashes in filenames. For multiple-computer rendering, After Effects includes the Multi-Machine sample template that you can use as a starting point.
When rendering across a network that includes volumes using different network or operating systems, such as Windows, Mac OS, Novell, and UNIX, make sure that you specify output files using a file-naming convention that’s compatible with all rendering or destination volumes.
Project considerations
Make sure that you install all fonts, effects, and encoders (compressors) used in the project on all computers monitoring the watch folder. If a computer monitoring the watch folder can’t find fonts, effects, or encoders used in a project, the render fails.
When you install an After Effects render engine on a computer, it contains all the plug-ins included with After Effects. If a composition uses a plug-in from another manufacturer, the plug-in must be present on all computers to render the composition. However, support for network rendering varies among plug-in manufacturers. Before you set up a network to render effects created by third-party plug-ins, see the documentation for your plug-ins or contact the plug-in manufacturers and get answers to the following questions:
Does the license agreement for the plug-in allow installing multiple copies on a network for the purposes of rendering?
Are there any other limitations or tips that apply to using the plug-in for network rendering?
Collect Files folder considerations
When you use the File > Collect Files command, files relevant to a project are copied to a single folder. This folder includes a copy of the project file, a render control file (RCF), and other files, depending on the options you choose in the Collect Files dialog box. If you save the Collect Files folder to a networked computer other than a server, don’t run a render engine on that computer. Avoid saving the Collect Files folder to a local disk, the root level of a disk (such as C: in Windows or the Macintosh HD in Mac OS), or a shared folder, all of which can signify different locations to each render engine. All render engines must interpret the path in the same way.
Once the collected files appear in the watch folder, all monitoring render engines start rendering automatically. If you prefer, you can use the Collect Files command to store compositions and their source footage to a specified location and then initiate the watch-folder rendering process later. Doing so renders the projects in alphabetical order, rather than the order in which they were saved to the location.
Track dependencies of a watch-folder render
You can track render dependencies when you render over a network by setting Post-Render Action options. When you set these options, After Effects confirms that all of the items that have to be rendered are ready and available. For example, if one item depends on another to render, and the first has not finished rendering or has received an error, the second does not render.
You can use this process to render a single QuickTime or AVI movie from a watch-folder render. The movie is created on only one computer.
This procedure assumes that you have already created a multiple-computer watch-folder.
Start in watch-folder mode
Watch-folder mode applies only to rendering from a folder on your local computer.
You can also use this command line in batch files.
Render farming is when a network of computers is used together to render a single composition. You can set this up to work with render-only versions of After Effects called render engines. Render farming helps reduce the time a single machine takes to export a composition. You can use multiple computers and multiple copies of After Effects to render a composition across a network. You can use multiple computers to render only still-image sequences; you cannot use multiple computers to render a single movie.
Aharon Rabinowitz provides a video tutorial on the Creative COW website that goes through and explains the steps for rendering a still-image sequence with multiple computers.
Set up the network
Follow the process illustrated in the image to understand the requirements to set up the network.
A. Computer with full version of After Effects B. Save a project and all source files to a folder on a server C. Computers with the render engine installed D. Open the project and render a still-frame sequence to a designated output folder on the server
You can use any number of computers for rendering; in general, the more computers, the faster the rendering. However, if too many computers are used across a busy network, network traffic may slow down the entire process. You can detect network slowdown by observing the time spent in the Compressing & Writing stage in the Current Render section of the Render Queue panel.
Adobe does not provide technical support for general network configuration; consult your network administrator.
Render a still-image sequence with multiple computers
Important points in the process of rendering a still image sequence with multiple computers:
To render a still-image sequence, follow these steps:
Install After Effects on each computer that is used to render the project. Make sure that you have the same fonts installed on each computer.
Do not share plug-ins across a network. Make sure that you have a copy of the plug-ins folder on each computer that is running After Effects. When using third-party plug-ins, also be sure that the same plug-ins are available on all computers and that you have sufficient licenses for the plug-ins.
In the Render Queue panel, select Skip Existing Files (allow multi-machine rendering) in the Render Settings section so that multiple computers do not render the same frames. Do not use multiple output modules for one render item when using skip existing files.
Run aerender in non-royalty bearing mode
After Effects CS5.5 had to be serialized on render-only machines due to licensing issues. In After Effects CS6 and later, you can now run aerender or use Watch Folder in a non-royalty bearing mode, so serialization not required.
To ensure that After Effects is running in non-royalty bearing mode, place a blank file named ae_render_only_node.txt into the following location:
Install After Effects on the render-only machine.
Segment settings
Segment settings are in the Output preferences category.
Choose Edit > Preferences > Output (Windows) or After Effects > Preferences > Output (Mac OS).
After Effects can render sequences and movie files into segments that are limited to a specified number of files or by file size. This is useful when preparing a movie for a medium such as CD-ROM, for which file or folder size may need to be limited to chunks of 650 MB or less. Use the Segment Video-only Movie Files At value to set the maximum size for segments in megabytes. Use the Segment Sequences At value to set the maximum number of still-image files in a folder.
If you are exporting a movie that is larger than the maximum file size for your hard disk formatting scheme, then you can set the Segment Video-only Movie Files At value to a value under this maximum. Hard disks formatted for Windows can be formatted using the FAT, FAT32, or NTFS scheme. The maximum file size in the FAT scheme is 2 GB, and the maximum file size in the FAT32 scheme is 4 GB. The maximum size for a file for NTFS is large (approximately 16 terabytes), so you are unlikely to reach this limit with a single movie.
Only movies that do not contain audio can be segmented. If an output module includes audio, the Segment Video-only Movie Files At preference is ignored for that item.
The Segment Sequences At preference is ignored for any render item for which Skip Existing Files is selected in the render settings. (See Render settings reference.)
There are no Compositions to render. Make sure you have at least one selected and a Destination Path set. #1657
Comments
annyameow commented Jun 4, 2019
Hi, I created a short animation without any effects just changed the parametrs, but bodymovin doesnt see it at all. I checked other files and he writes that there are no compositions.
Using CC 2017 14.01
Tried to make them a precomposed, can’t use shapes
Thanks
The text was updated successfully, but these errors were encountered:
bodymovin commented Jun 4, 2019
Hi, that message shows up when you didn’t select a composition to render in the extension panel or didn’t chose a folder where to save it.
Can you share a screenshot of the bodymovin panel?
bodymovin commented Jun 4, 2019
If you attached an image to an email as part of the answer, it won’t come through.
annyameow commented Jun 4, 2019
bodymovin commented Jun 4, 2019
It seems that you haven’t selected where to save them.
Try clicking on the three dots (. ) and choose a destination.
bodymovin commented Jun 4, 2019
And you only need to select the main composition, no need to select precomps in that panel.
annyameow commented Jun 4, 2019
Now it start rendering but then write «Composition should not include any Images». But every file is from Illustrator
bodymovin commented Jun 4, 2019
Not sure how the Telegram version works.
I suggest that you write to them directly.
annyameow commented Jun 4, 2019
Thanks for help and for fast answers, you are the best! Good luck
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How to Save and Share Render Templates in After Effects
Save time with Render Templates in After Effects. No more customizing by hand!
If you have specific render settings that you always use when exporting video in After Effects, then the following trick may save you a lot of time. Instead of having to customize each render by hand, you can easily save and share Render Templates in After Effects. This is great if you work in a team environment or simply want to save some time. Let’s dive into how it’s done.
Render Templates
Step 1: Navigate to the Menu
With a composition selected navigate to Edit>Templates>Render Settings…
Note: You can also access this template menu by clicking the small dropdown menu in the Render Queue next to Render Settings. However, you must add a composition to the queue to access the menu in this way.
Step 2: Adjust Settings as Needed
A menu will pop up with various fields that can be adjusted to fit your needs. To create your render template, hit the “New” button. Another menu will pop up that looks exactly like the render settings found in the Render Queue. Simply adjust your settings as needed.
After you hit “OK” you will be able to name your new template. If you want to change a property once set, simply navigate to the template you wish to change under the “Settings Name” menu and click Edit.
Step 3: Save
Hit the large “OK” button to save your render settings. You will now be able to access your new render template in the Render Queue under the Render Settings menu.
Output Modules
Step 1: Navigate to the Menu
With a composition selected navigate to Edit>Templates>Output Module…
Note: You can also access this template menu by clicking the small dropdown menu in the Render Queue next to Output Module. However, you must add a composition to the queue to access the menu in this way.
Step 2: Adjust Settings as Needed
Saving an Output Module is exactly like saving Render Settings. Simply click the “New” button and adjust your settings as you wish. After you create your custom Output Module, click “Ok” and name your template.
Step 3: Save
Save your Output Module by simply clicking “OK”. You will now see your custom Output Module in your Render Queue under the Output Module menu.
Sharing Render Templates and Output Modules
To save Render Templates or Output Modules for future use simply click the “Save All” button in the corresponding menu found under Edit>Templates>Render Templates or Output Modules. These templates can be saved and shared like any other file.
Loading Render Templates and Output Modules
To load Render Templates or Output Modules simply click the “Load” button in the corresponding menu found under Edit>Templates>Render Templates or Output Modules. You will then be prompted to find your Render Templates or Output Module preset files.
Want to learn even more quick tips in After Effects? Check out a few of the following resources:
What Render Templates do you use the most? Share in the comments below!
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