Blend node

Left Toolbar > 3D icon Compose Nodes > Blend icon Blend

The Blend node blends two images, background and foreground, into a single output image, using a blend function, and a mask input image.

inputs
In Background bg

In Foreground fg

InMask mask

output
In2

Procedure

To Blend two images:

  1. On the left toolbar choose Compose Nodes > Blend. 3D icon > Blend icon

  2. Drag the Blend icon into the Node Graph.

    Blend node

  3. Connect the first input image to the bg_image input socket.

  4. Connect the second input image into the fg_image input socket.

  5. Connect the third input image into the Mask input socket.

  6. Set the attributes to control the Blend output.

Inputs

bg_image
The background image.

fg_image
The foreground image.

mask
The mask image. The default mask value is extracted from the lower-left corner of this image.

Outputs

image
The composed image.

Attributes Panel

Blend_Attributes

Mode
Sets the blending mode:
normal:
multiply:
divide:
screen:
overlay:
dodge:
burn:
high light:
soft light:
grain extract:
grain merge:
difference:
addition:
subtraction:
darken only:
lighten only:

Opacity
The opacity of the foreground image in the blend process.

Background
If a background image is not connected to the node, this color is used as background.

Foreground
If a foreground image is not connected to the node, this color is used as foreground.

Compose Nodes

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