I've once seen a shortcut in VRED to scale Textures (i.e. Logos) on a Multipass-Material directly with the mouse. The transform-Pivot got 2-dimensional, so one can resize the Logo directly.
Does anybody know this keyboard-shortcut? I've unfortunately forgotten it :-/
that's the texture manipulator. You can use it by first activating the Texturing mode (shortcut T, or in the top icon bar of the main window) and then selecting a material in the render window (shift-left click as usual).
There are difference texture manipulators available for materials with planar projection, UV, triplanar, tire projection and for environment material transformation. Depending on what you are selecting in the render window while the Texturing mode is active, the appropriate manipulator will be activated.
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