The vertex positions are transformed from clip-space to window space via the Perspective Divide and the Viewport Transform.
经过视角除法和视口变换两步，顶点的位置就从裁剪空间变换到了窗口空间。
Through judging the relation of the position between the circle clip window and the line to be clipped, a new line-clipping algorithm is given based on the correlative literatures.
在相关文献提出的基于矩形窗口裁剪的圆形窗口裁剪算法的基础上，通过判断圆形窗口与待裁线段的位置关系，提出一个免解二次方程的圆形窗口裁剪算法。
Our factory professional produces in floor spring, door clip, plastic wheels, hinge, window lock handle and other projects necessary hardware.
本厂主要生产地弹簧，门夹，塑料轮，合页，窗锁，执手等工程配套五金。
Our factory professional produces in floor spring, door clip, plastic wheels, hinge, window lock handle and other projects necessary hardware.
本厂主要生产地弹簧，门夹，塑料轮，合页，窗锁，执手等工程配套五金。
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