Mapping scalar value into a colorspecification and an opacity value, transfer function could highlight specific structure.
传递函数将体数据灰度值映射为颜色和不透明度，来突出显示特定的组织结构。
2
Western 19 centuries ago, when girls marry gown's no unified colorspecification, until around 1820, white to gradually become the wedding with dress color widely.
The following documents may be used as reference for the colorspecification. The colorspecification may expand on certain aspects of the test methods and can supersede these documents.