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Launched from the Shot/Save Sequence or the Save Sequence button on the Image Preprocessor’s Output tab.
NOTE : Save Sequence can generate simple renders with (distorted) meshes overlaid on the original distorted images (or over black for later compositing). This is different than Preview Movie output from the Perspective View, which generates images of (undistorted) meshes overlaid over an undistorted version of the images, as potentially affected by Lens Workflow. These are two fundamentally different output types; both are useful, so it’s up to you to choose the one appropriate for your use.
… (ellipsis, dot dot dot) Button. Click this to set the output file name to write the sequence to. Make sure to select the desired file type as you do this. When writing an image sequence, include the number of zeroes you wish in the resulting sequence file names. For example, seq0000 will be a four-digit image number, starting at zero, while seq1 will have a varying number of digits, starting from 1.
Compression Settings. Button. Click to set the desired compression settings, after setting up the file name and type. Subtle non-SynthEyes Quicktime “feature:” the
H.264 codec requires that the Key Frame every … frames checkbox in its compression settings must be turned off . Otherwise the codec produces only a single frame! Also, be sure to set compression for Quicktime movies, there is no default compression set by Quicktime. The Image Output section has preferences.
(Set an output prepset) Dropdown. You can select an image preprocessor prepset that will be temporarily applied for the duration of the Save Sequence operation.
Often a color-only prepset to remove color adjustments made for tracking, so saved footage color-matches the original (eg when dealing with Log or non- R.709 images), though other things such as resolution changes are also possible. Note that the image cache will flush and reload twice.
RGB Included. Checkbox. Include the RGB channels in the files produces (should usually be on, except for alpha-only or mesh-over-black renders).
Alpha Included. Checkbox. Include the alpha channel in the output. Can generally be turned on only if the output format permits it. If the input images do not contain alpha data, and meshes aren’t being overlaid, it will be generated from the roto- splines and/or green-screen key. Or, if (only after) you turn off the RGB Included and Meshes Included checkboxes, you can turn on the Alpha Included checkbox, and alpha channel data will be produced from the roto-spline/green-screen and converted to RGB data that is written. This feature allows a normal black/white
alpha-channel image to be produced even for formats that do not support alpha information, or for other applications that require separate alpha data.
Meshes Included. Checkbox. When set, the meshes will be (software) rendered over top of the shot, for quick previewing, especially for 360 VR shots. When checked, only 8-bit/channel output will be produced ; keep this off normally, so that 16-bit and floating channel images can be produced. If you turn off RGB Included when Meshes Included is on, you’ll get a render over black for later compositing; you can output the alpha with Alpha Included or not. (Use the Perspective Window's Preview Movie for normal previews include motion blur and additional antialiasing options.) . For previews only: when burn-in is on, only 8-bit/channel images with no alpha are written.
Frame#/Time Burn-in. Checkbox. Whether or not the frame number, time code, or time stamp should be burned into the images. See configuration information on the main View menu, or the right-click menu of the camera or perspective view. For previews only: when burn-in is on, only 8-bit/channel images with no alpha are written.
Start. Button. Get going…
Close/Cancel. Button. Close: saves the filename and settings, then close. When running, changes to Cancel: stop when next convenient. For image sequences on multi-core processors, this can be several frames later because frames are being generated in parallel.
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