[Home](./index.md) > [@three3d/volume](./volume.md) > [GetLineGradientValue](./volume.getlinegradientvalue.md) ## GetLineGradientValue type 轴线值梯度函数 **Signature:** ```typescript export type GetLineGradientValue = (params: LineGradientParams) => number; ``` **References:** [LineGradientParams](./volume.linegradientparams.md) ## Remarks 会通过该函数来获取从轴线的起始点到终点之间轴线上各点处的值