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This attribute controls whether or not the animation is additive.
It is frequently useful to define animation as an offset or delta to an attribute's value, rather than as absolute values. This attribute said to the animation if their values are added to the original animated attribute's value.
|Categories||Animation addition attribute|
|Value||replace | sum|
|Normative document||SVG 1.1 (2nd Edition)|
- Specifies that the animation will add to the underlying value of the attribute and other lower priority animations.
- Specifies that the animation will override the underlying value of the attribute and other lower priority animations. This is the default, however the behavior is also affected by the animation value attributes
to, as described in SMIL Animation: How from, to and by attributes affect additive behavior.
The following elements can use the