[Home](./index.md) > [@three3d/volume](./volume.md) > [LineGradientParams](./volume.linegradientparams.md) > [addedRadius](./volume.linegradientparams.addedradius.md) ## LineGradientParams.addedRadius property 轴线终点处的半径相对起始点处的半径的增加量；即 `endRadius - startRadius` **Signature:** ```typescript addedRadius: number; ```