[Home](./index.md) > [@three3d/volume](./volume.md) > [GradientVolumeMaterial](./volume.gradientvolumematerial.md) ## GradientVolumeMaterial class 梯度体积材质 **Signature:** ```typescript export declare class GradientVolumeMaterial extends VolumeMaterial ``` **Extends:** [VolumeMaterial](./volume.volumematerial.md)<[GradientData3DTexture](./volume.gradientdata3dtexture.md), [GradientVolumeMaterialUniforms](./volume.gradientvolumematerialuniforms.md)> ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(options)](./volume.gradientvolumematerial._constructor_.md) | | Constructs a new instance of the GradientVolumeMaterial class | ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [discardOut](./volume.gradientvolumematerial.discardout.md) | | boolean | 是否丢弃超出映射范围的数值 | | [gradient](./volume.gradientvolumematerial.gradient.md) | | Texture \| null | 数值的梯度映射纹理 | | [isGradientVolumeMaterial](./volume.gradientvolumematerial.isgradientvolumematerial.md) | readonly | (not declared) | | | [range](./volume.gradientvolumematerial.range.md) | | Vector2 | 数值的映射区间 | | [voidRange](./volume.gradientvolumematerial.voidrange.md) | | Vector2 | 空值的范围 |