When you move a point in the 2D window, you move it on the X axis (horizontally) or Y axis (vertically) or both axes.
For example, one of the ways you can move a point in VStitcher is by selecting the point, then going to the Context view and in the Transformation section, at Move, typing in a value for X or Y or both.
When you type in a value, the point is moved as follows:
A value for X moves the point on the X axis
A positive value moves the point to the right
A negative value moves the point to the left
A value for Y moves the point on the Y axis
A positive value moves the point down the screen
A negative value moves the point up the screen
Any move is applied to the point as if it were at 0 on the X and Y axis. The effect of various X and Y values is shown in the following image.
For example to move a point:
From “0” to “A” you would use X = 2 and Y = 3
From “0” to “B” you would use X = -4 and Y = -5