oil painting url projection

本文介绍了透视投影的基本概念,包括在透视中物体位置与观察者之间的关系,以及由此产生的图形表现形式。透视关注的是视线范围内的视觉效果,平行线在投影时会汇聚于一点,使得物体呈现出大小变化的特点,近大远小。

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Perspective is that perspective projection, in the location of objects and

guests, the scenario has a transparent plane, all guests of the objects fired people's

attention, and this plane connected to the point of intersection, formed by the graphics,

so we called perspective. Attention focused on the point is that viewpoint.

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Perspective is in the eye visual range. In perspective, the projection for each

other in parallel lines is not focused on the perspective, so show the size of objects,

not the real size, there are nearly a far smaller feature. As the Shape, due to

factors point of view, rectangular or square will often irregular quadrilateral,

right-angle or Dunjiao acute angle, the four sides is not equal. The circular

shape often appear as elliptical.

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