Volume rendering is also known as direct volume rendering, for no intermediate geometry primitives are generated during its visualization process.

由于体绘制技术是将三维的离散数据直接转换为二维图像而不必生成中间几何图元，所以又称为直接体绘制。

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Volume rendering is also known as direct volume rendering, for no intermediate geometry primitives are generated during its visualization process.

由于体绘制技术是将三维的离散数据直接转换为二维图像而不必生成中间几何图元，所以又称为直接体绘制。

youdao