Create a dropshadow only layer

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I want to make a white rounded rectangle (which will be used for an in-game alpha mask) and another layer which contains a drop shadow. That way I can do quick export for the two layers. WITHOUT RASTERIZING

I use blue and red to help me provide the contrast to help me debug.

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I have a rounded rectangle which I converted to a path.

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I’ve created a vector mask where I reversed

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When I create the clipping mask I get the following. Which is close to what I want except for the white background as I just wanted the drop shadow with a transparent background.

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I think I can do a layer mask but it seems I have to rasterize the path. This is basically what I got when I rasterize.

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Answer

  1. Create a shape layer in the desired shape and with any colour fill;
  2. Add your drop shadow using Layer Styles;
  3. Make sure that on the Drop Shadow settings, the box ‘Layer Knocks Out Drop Shadow’ is ticked;
  4. In the Layers palette, reduce the layer’s ‘Fill’ property (not Opacity) to 0%.

‘Fill’ functions exactly the same as Opacity, except it doesn’t affect any layer styles you applied.

Attribution
Source : Link , Question Author : Archimedes Trajano , Answer Author : Vincent

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