ausboss
cb05fcc9b7
The help pages, the README and the changelog use the new names (Round canvas to, Frames for, Server file, the Resize switch) and describe the always-scrubbing timeline and its grip, the padlock rules, the "already this shape" note, the resize warning and Even out, the preview switch bringing its picture back, Compare's labels and the Workflow Note's Use it.
36 lines
1.5 KiB
Markdown
36 lines
1.5 KiB
Markdown
# Select Frame
|
|
|
|
Selects one unchanged image from an `IMAGE` batch. Frame numbers are one-based,
|
|
so `1` is the first frame and the last valid value is the batch size. Negative
|
|
numbers count from the end: `-1` is the last frame, `-2` the one before it —
|
|
handy when the batch length varies, as a video's often does. `0` is invalid in
|
|
both directions.
|
|
|
|
## Controls
|
|
|
|
- **frames**: A BHWC image batch, commonly the frame output of a video loader.
|
|
- **Frame** (`frame_number`): The one-based frame to return; negative
|
|
counts from the end (`-1` is the last frame). An out-of-range value stops
|
|
with the available range instead of silently clamping.
|
|
|
|
## Output
|
|
|
|
- **image**: The selected frame as a one-image BHWC batch.
|
|
|
|
## Preview
|
|
|
|
The panel shows the frame that was selected, so a picked frame can be checked
|
|
without a separate preview node. It updates when the graph runs — changing
|
|
**Frame** does not re-render it on its own, because the frame's pixels only
|
|
exist on the server.
|
|
|
|
The node performs no network requests. It writes one preview PNG per run into
|
|
ComfyUI's temp folder, the same place `PreviewImage` writes, which is cleared
|
|
with the rest of the session's scratch files.
|
|
|
|
The small **preview** switch at the right of the bar above the picture turns
|
|
it off: the picture's box disappears, the node is that much shorter, and no
|
|
preview file is written. Turn it back on and the node returns to its height
|
|
with the last result in it; if the node ran while the switch was off, it asks
|
|
you to run the workflow again. The switch is the node's optional `preview` input.
|