Transformation 2D
Applies a 2D transformation matrix to an image: translation, rotation, scaling, symmetry and shearing.
It is quite similar to Transforming (Ctrl-T) in Photoshop, or using the 2D mapping manipulator in Substance 3D Painter.
This is an extremely useful and widely applied node, it allows for increasing tiling, removing tiling, placing an image in a specific position, stretching or squashing an input, etc.
It can however not be a perfect match for certain applications, so the following nodes can be of interest: Safe Transform, Non-Square Transform, Quad Transform and Trapezoid Transform.
TIP
Disabling tiling
Set the inheritance method of the ‘Tiling mode’ base parameter to ‘Absolute’, which then lets you set the parameter value to ‘No Tiling’:
NOTE
The values for scaling and rotation in the node’s properties are relative to the current transformation, and are not applied to the 2D View until you click the ‘Apply’ button.
Parameters
Transformation matrix Float4
Open the underlying transform matrix for direct editing. Allows you to change rotation and scaling. Can also be adjusted through the gizmo in the 2D view. Warning: they do not directly correlate to the view, and are relative adjustments that can be applied in steps.
Offset Float2
Defines the 2D displacement of the image. Allows you to change the position or offset Can also be adjusted through the gizmo in the 2D view. Does relate directly to the 2D view output.
Mipmap mode Integer
Allows you to switch to a manual mipmap level, which reduces artifacts in an image using texture filtering.
Mipmap level Integer
Sets the mipmap level to be used. Available when ‘Mipmap mode’ is set to ‘Manual’
Matte color Float4
The color used as background when tiling of transformation is disabled. I.e., sets the color used when the transformed input does not cover an area of the output. Can be made transparent if working in RGBA color.
Filtering Integer
Sets the downsampling method used. Does not work particularly well with Mipmap Level being reduced.
Input connectors
Input Grayscale/Color PRIMARY
The image to be transformed.
Output connectors
Output Grayscale/Color
Examples
Coming soon.
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