This transformer creates a halo around an image – a gradual blend into the surrounding user-selected color, to create smooth effects and transitions from imagery to a background.
To generate the halo, the transformer creates concentric buffers around the image area. Each buffer receives the same RGB value. Once buffers are rasterized, the transformer copies color values to the alpha band where they will represent the amount of transparency rather than colors. The higher the value, the more transparent a pixel will be moving outward of the project area.
Created in FME Form 2024.1 build 24612. Requires MultiBufferer to be installed.
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