索引是包含指向数据的指针的物理结构。
An index is a physical structure containing Pointers to the data.
DataObjectPtr实际上是包含指向数据对象的指针的包装类。
A DataObjectPtr is really a wrapper class holding a pointer to the DataObject.
指向直方图与关键点的指向相关,指向数据来源于高斯图像最接近关键点的尺度的那些值。
The orientation histograms are relative to the keypoint orientation, the orientation data comes from the Gaussian image closest in scale to the keypoint's scale.
Instead if we want this pointer to represent the address of something in as much as it points at that address let's just draw an arrow.
如果我们想要让这个指针表示,数据的地址,它指向的地址,我用一个箭头表示。
Number three, pointer assignment, takes one pointer and changes it to point to the same pointee as another pointer so after the assignment the two pointers will point to the same pointee.
第三条,指针赋值,使一个指针,指向另外一个指针所指向的数据,赋值过后,两个指针会指向,同样的数据。
Number one, the basic structure is that you have a pointer and it points over to a pointee, but the pointer and pointee are separate and the common error is to set up a pointer but to forget to give it a pointee.
第一,基本结构是,你有一个,指向数据的指针,但是那个指针和数据,是分开的,通常错误是声明了一个指针,但是没有指向一个数据。
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