bias - SVG: Scalable Vector Graphics 编辑
The bias attribute shifts the range of the filter. After applying the kernelMatrix of the <feConvolveMatrix> element to the input image to yield a number and applied the divisor attribute, the bias attribute is added to each component. This allows representation of values that would otherwise be clamped to 0 or 1.
Usage notes
| Value | <number> |
|---|---|
| Default value | 0 |
| Animatable | Yes |
One application of bias is when it is desirable to have 0.5 gray value be the zero response of the filter.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Filter Effects Module Level 1 The definition of 'bias' in that specification. | Working Draft | No change |
| Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of 'bias' in that specification. | Recommendation | Initial definition |
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