Curves Sample Image node

Left Toolbar > Compose icon Compose Nodes > Perspective icon Curve Sample Image

The Point Sample Image node allows you to extract the rgbo value of an image selected position.

input

In0 Img 1

output

Position 0, 0. rgbo: r: 0.77, g:0.07, b:0.04, o:1

Procedure

To retrieve the curve sample of an image:

  1. On the left toolbar choose Compose Nodes Compose icon > Curve Sample Image Compare icon

  2. Drag the Curve Sample Image icon into the Node Graph.

    Curve Sample Image node

  3. Connect the output of an image node into the image input.

Inputs

image

curve

Outputs

rgbo

Attributes Panel

Curves Sample Image attributes

Sample

Radius Select the radious of the area to be analized. Default: 1 px.

Rgbo Element

Compose Nodes

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