一般书上把这几个变换用照相机类比,其实每个变换都是产生着一个4x4矩阵,然后与当前矩阵(Current Matrix)相乘,得到一个坐标变换矩阵,最后把世界坐标系(欧式空间)中的物体变换到屏幕坐标系中。
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我们还可以定义额外的转换,并将它们应用到由之前操作所定义的当前矩阵集中。
Additional transformations can be performed, and these are applied to the current set of matrices defined by the previous operations.
在进行一些初始化之后,您可以将当前的坐标矩阵压入堆栈。
After some initialization, you push the current coordinate matrices to the stack.
这意味着无论模型是否已经生效,都会对这个矩阵进行求值,同时为任何一个元素产生一个模型警告,并且超越特殊矩阵当前的警告水平。
This means that whenever a model is validated, the metrics will also be evaluated and a model warning will be generated for any element exceeding the current warning level for a specific metric.
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