文献[3]提出了阴影场(shadow field)的概念, 对于场景中的物体,在其周围的若干采样点处进行可见性采样,采样结果存储为遮挡场;对光源也进行辐射亮度 采样,采样结果存储...
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The shadow field for a light source, called a source radiance field (SRF), records radiance from an illuminant as cube maps at sampled points in its surrounding space.
光源的阴影字段,称为源辐射场(SRF),记录从光源辐射率作为立方体在其周围的空间中的采样点处的地图。
The giants didn't seem to notice her hat either; and when a giant walking through the field brushed against her, he went straight through the hat as though it were a shadow.
巨人好像也没看到她的帽子。当一个巨人朝她迎面走来的时候,照直从她的帽子里穿过去了,好像那只是个影子。
Patients may report flashes of light, floaters, a curtain or shadow moving over the field of vision, and peripheral or central visual loss.
患者可能会看到闪光,漂浮物,帷幕或阴影遮挡住了视野,以及周边或中心视力丧失。
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