原文地址：投影1（大师James Gurney专辑）作者：DylanZhangCast Shadows, Part 1
作者：James Gurney
翻译：DylanZhang（http://blog.sina.com.cn/ts152154539）

When a form intercepts a parcel of direct light, it projects or casts a shadow onto whatever lies behind it.
当有物体阻挡了直射光，它就在他后面的任何东西上投下了阴影。

The resulting cast shadow can be a striking design element, as it was for Frank Brangwyn in one of his famous bridge paintings.
投射下的阴影可以作为一个醒目的设计元素，例如Frank Brangwyn所画的一张桥梁。


Sometimes forms outside the composition cast shadows onto the subject. The movement of the morning sun shifted the shadow fairly quickly over the Flatiron building.


Samuel Prout effectively used the cast shadow in this watercolor of the Palazzo Contarini in Venice.
Samuel Prout在他的这张水彩画Palazzo Contarini in Venice中有效地运用了投影。

The edge of the shadow shape follows the bold relief of the building. It also sets up opportunities for tonal design. Some figures are seen in light against shadow shapes, while other figures are in relative darkness against a bright background.
投影边缘顺着建筑上醒目的浮雕起伏。这也为设计调子创造了机会。从我们这个视角可以看到，一些人物处于阳光中但以投影为背景，一些人物处于相对较暗的地方但以明亮为背景

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