Phong明暗处理算法先计算出曲面在各多边形顶点处的光强,然后再采用双线性插值方法确定在扫描线上每个像素处的光强值,得到多边形的光滑颜色分布。()
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光栅显示系统的优点是刷新频率一定,与图形的复杂程度无关,但会产生走样。()
It can be inferred from the last paragraph that______.
A. the fed will not start to pull back from its quantitative easing in the near future
B. the stock price will rise for a few more months
C. recently economy grows at modest to moderate pace
D. interest rate will remain high though this year
非理想镜面反射中,镜面反射指数n模拟镜面反射光在空间中的汇聚程度,n越大,表面越粗糙(光滑)。()
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