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manual/compositing/types/converter/color_ramp.rst
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| In the map above, a black and white swirl image, which is lacking an alpha channel, | In the map above, a black and white swirl image, which is lacking an alpha channel, | ||||
| is fed into the Color Ramp node as a *Factor*. (Technically, | is fed into the Color Ramp node as a *Factor*. (Technically, | ||||
| we should have converted the image to a value using the RGB-to-BW node, buy hey, | we should have converted the image to a value using the RGB-to-BW node, but hey, | ||||
| this works just as well since we are using a BW image as input.) | this works just as well since we are using a BW image as input.) | ||||
| We have set the Color Ramp node to a purely transparent color on the left end of the spectrum, | We have set the Color Ramp node to a purely transparent color on the left end of the spectrum, | ||||
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