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Offsetting

<feOffset> offsets the input image relative to its current position in the image space by the specified vector......CPFS.
This is important for effects like drop shadows.
......in
......dx="<number>": the amount to offset along the x-axis.
......dy="<number>": the amount to offset along the y-axis.

<feDisplacementMap> uses the pixel values from 'in2' to spatially displace the image pixels from 'in'......CPFS
......in
......in2
......scale="<number>": the displacement scale factor.
......xChannelSelector="{R|G|B|A}": the channel from 'in2' used to displace the pixels in 'in' along the x-axis.
......yChannelSelector="{R|G|B|A}": the channel from 'in2' used to displace the pixels in 'in' along the y-axis

<feMorphology> fattens or thins the artwork......CPFS
......in
......operator="{erode|dilate}": whether to thin(erode) or fatten(dilate) the source graphic.
......radius="<number> [number]": the radius(radii) for the operation.
                If two numbers are provided, the first represents the x-radius and the second represents the y-radius.