StrideFX
Change mapping of transformed texture
If we want to change how a transformed texture gets scalled we can add SamplerState node to the custom sampler input of the Transform(Filter).

Set Texturesize from Texture Window

Group Textures
To group textures out of a for each loop in StrideFX in a similar way like a Group(Spectral) we need to use an accumulator and blend inside the for-each.
