[Home](./index.md) > [@three3d/volume](./volume.md) > [LineGradientParams](./volume.linegradientparams.md) > [startHollow](./volume.linegradientparams.starthollow.md) ## LineGradientParams.startHollow property 轴线起始点处的空心比率 **Signature:** ```typescript startHollow: number; ```