首页>
外国专利>
Image generator for generating perspective views from data defining a model having opaque and translucent features
Image generator for generating perspective views from data defining a model having opaque and translucent features
展开▼
机译:图像生成器,用于根据定义具有不透明和半透明特征的模型的数据生成透视图
展开▼
页面导航
摘要
著录项
相似文献
摘要
An apparatus for generating an image from data defining a model including a plurality of opaque and translucent features. The image is intended to represent a view of the model from a predetermined eyepoint and is made up from an array of screen space pixels. The image area is divided into an array of sub-areas each of which covers at least one pixel. For each feature in the model that is potentially visible from the eyepoint, a test is conducted to determine which of the sub-areas is at least partially covered by that feature. For each feature which covers a sampling point, a function of the distance from the eyepoint to that feature at the sampling point is determined. An output for each pixel within a sub-area is produced, the pixel output corresponding to the combined effects of the sampling point outputs for all sampling points which contribute to that pixel, and the pixel outputs are displayed.
展开▼