[Home](./index.md) > [@three3d/volume](./volume.md) > [SliceMaterial](./volume.slicematerial.md) ## SliceMaterial class 切片材质 **Signature:** ```typescript export declare class SliceMaterial extends ShaderMaterial ``` **Extends:** ShaderMaterial ## Remarks 用于呈现3D图像的在指定轴上指定位置处的截面 ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(options)](./volume.slicematerial._constructor_.md) | | Constructs a new instance of the SliceMaterial class | ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [\_sliceSize?](./volume.slicematerial._slicesize.md) | protected | Vector2 \| null | _(Optional)_ | | [axis](./volume.slicematerial.axis.md) | | Axis | 轴 | | [depth](./volume.slicematerial.depth.md) | | number | 轴上的坐标值 | | [isSliceMaterial](./volume.slicematerial.isslicematerial.md) | readonly | (not declared) | | | [map](./volume.slicematerial.map.md) | | Texture3D \| null | 三维的纹理 | | [opacity](./volume.slicematerial.opacity.md) | | number | 透明度 | | [sliceSize](./volume.slicematerial.slicesize.md) | readonly | Vector2 | 切片的尺寸 | | [uniforms](./volume.slicematerial.uniforms.md) | | [SliceMaterialUniforms](./volume.slicematerialuniforms.md) | |