Node reference
Analysis nodes
CurveTool
Measures the picture over frames (average, brightest pixel, crop box) into keyed knobs.
Inputs: input.
| Setting | Default | Range or choices | What it does |
|---|---|---|---|
| Curve Type | Avg Intensities | Auto Crop, Avg Intensities, Exposure Difference, Max Luma Pixel | What Analyze measures in the region: the average colour, its change in stops from the first frame (Exposure Difference), the brightest and darkest pixels, or the box around non-zero pixels. |
| channels | rgb | rgb, rgba, alpha, all | The channels the node changes; the others pass through. |
| ROI x | 512 | 0 to 4096 | The measured region's left edge, in pixels. |
| ROI y | 389 | 0 to 4096 | The measured region's bottom edge, in pixels. |
| ROI right | 1536 | 0 to 4096 | The measured region's right edge, in pixels. |
| ROI top | 1167 | 0 to 4096 | The measured region's top edge, in pixels. |
| # frames for base average | 2 | 0 to 10 | Kept for Nuke scripts, not used. |
| intensity | 0 | 0 to 1 | Set by Analyze. |
| crop x | 0 | 0 to 2048 | Set by Analyze. |
| crop y | 0 | 0 to 2048 | Set by Analyze. |
| crop right | 0 | 0 to 2048 | Set by Analyze. |
| crop top | 0 | 0 to 2048 | Set by Analyze. |
| brightest x | 0 | 0 to 2048 | Set by Analyze. |
| brightest y | 0 | 0 to 2048 | Set by Analyze. |
| brightest value | 0 | 0 to 1 | Set by Analyze: the brightest pixel's colour. |
| darkest x | 0 | 0 to 2048 | Set by Analyze. |
| darkest y | 0 | 0 to 2048 | Set by Analyze. |
| darkest value | 0 | 0 to 1 | Set by Analyze: the darkest pixel's colour. |