30 lines
1.4 KiB
Markdown
30 lines
1.4 KiB
Markdown
# Save Layers
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Save one or more image/field layers to a single file. Each layer input accepts either a DATA_FIELD or an IMAGE, including annotated images. Use this for composing multi-channel stacks. Does not auto-run; click Save to write.
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## Inputs
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| Name | Type | Required | Description |
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|------|------|----------|-------------|
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| directory | DIRECTORY | No | Optional directory path from a Folder node; overrides the directory_path widget |
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| field_0 … field_N | DATA_FIELD, IMAGE, or ANNOTATION_SOURCE | No | Layer inputs; a new slot appears as each one is filled |
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## Outputs
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None.
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## Controls
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| Name | Type | Default | Description |
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|------|------|---------|-------------|
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| filename | STRING | "" | Output filename (without directory); used together with directory_path |
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| directory_path | FOLDER_PICKER | "" | Output directory; hidden when directory input is connected |
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| format | dropdown | TIFF | Output format: TIFF (multi-page, float32 for fields) or NPZ (named arrays) |
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| layer_name_0 … layer_name_N | STRING | "" | Optional name for each layer; used as TIFF page descriptions or NPZ array keys |
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## Limitations
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- At least one layer must be connected; an error is raised otherwise.
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- TIFF writes DATA_FIELD layers as float32; IMAGE layers are written as uint8.
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- NPZ keys are sanitized to valid Python identifiers; duplicate names are made unique with numeric suffixes.
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