[Home](./index.md) > [@three3d/volume](./volume.md) > [ExampleVolumeMaterial\_Perlin](./volume.examplevolumematerial_perlin.md) > [threshold](./volume.examplevolumematerial_perlin.threshold.md) ## ExampleVolumeMaterial\_Perlin.threshold property 渲染最低阈值 **Signature:** ```typescript get threshold(): number; set threshold(value: number); ```