Jin Yuan

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  • in reply to: 关于透视投影的问题 #3266 Score: 0
    Jin Yuan
    Participant

    1.知道向量和点的区别是0和1的区别,疑问是(x,y,z,1)T虽然是一个点,但是它经过变换,左乘一个变换矩阵,在进行矩阵相乘时,它好像充当向量。有点疑问
    3.(1)一个点左乘一个透视正交矩阵,得到结果,要比较z的变化,是要把得到的结果通过齐次坐标转换成(???1)的形式吗?
    (2)看到还有同学说通过双曲线来判断z,这个是怎么判断的呢

    in reply to: 关于透视投影的问题 #3247 Score: 0
    Jin Yuan
    Participant

    3的过程是这样吗?

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