[Home](./index.md) > [@three3d/volume](./volume.md) > [GetGradientValue](./volume.getgradientvalue.md) ## GetGradientValue type 值梯度函数 **Signature:** ```typescript export type GetGradientValue = (params: GradientParams) => number; ``` **References:** [GradientParams](./volume.gradientparams.md) ## Remarks 会通过该函数来获取在中心点及其半径范围内各点处的值