ColorBars node¶
This documentation is for version 1.0 of ColorBars.
Description¶
Generate an image with SMPTE RP 219:2002 color bars.
The output of this plugin is broadcast-safe of “Output IRE” is unchecked. Be careful that colorbars are defined in a nonlinear colorspace. In order to get linear RGB, this plug-in should be combined with a transformation from the video space to linear.
See also: http://opticalenquiry.com/nuke/index.php?title=Constant,_CheckerBoard,_ColorBars,_ColorWheel
Inputs¶
Input | Description | Optional |
---|---|---|
Source | Yes |
Controls¶
Parameter / script name | Type | Default | Function |
---|---|---|---|
Extent / extent |
Choice | Default | Extent (size and offset) of the output.
Format: Use a pre-defined image format.
Size: Use a specific extent (size and offset).
Project: Use the project extent (size and offset).
Default: Use the default extent (e.g. the source clip extent, if connected).
|
Center / recenter |
Button | Centers the region of definition to the input region of definition. If there is no input, then the region of definition is centered to the project window. | |
Reformat / reformat |
Boolean | Off | Set the output format to the given extent. |
Format / NatronParamFormatChoice |
Choice | HD 1920x1080 | The output format |
Bottom Left / bottomLeft |
Double | x: 0 y: 0 | Coordinates of the bottom left corner of the size rectangle. |
Size / size |
Double | w: 1 h: 1 | Width and height of the size rectangle. |
Interactive Update / interactive |
Boolean | Off | If checked, update the parameter values during interaction with the image viewer, else update the values when pen is released. |
Frame Range / frameRange |
Integer | min: 1 max: 1 | Time domain. |
Output Components / outputComponents |
Choice | RGBA | Components in the output |
Bar Intensity / barIntensity |
Double | 75 | Bar Intensity, in IRE unit. |
Output IRE / outputIRE |
Boolean | Off | When checked, the output is scaled so that 0 is black, the max value is white, and the superblack (under the middle of the magenta bar) has a negative value. |