Time for action — using the global axis and local axis
We discussed the global and local axes. It's kind of an abstract concept until you use it. Here we can see it:
Select New in the file menu.
With the cursor over the camera, click theRMB to select it. Note the 3D manipulator and that the Z axis (in blue) is straight up. You can press 5 to toggle to Ortho mode to confirm that the Z axis is pointing up.
Move the mouse over the Orientation selector in the 3D View header, outlined in the previous screenshot. Note that it says Global. Move the mouse up the Orientation pop-up menu and select Local with theLMB. Note which direction the Z axis is pointing now.
Change from Local back to Global and back several times, noting the change in direction.
What just happened?
By changing the value of the Orientation Selector, you can choose whether you are working with the global or local axes. Why is this important? The global Z axis is up and down. The local Z axis of the camera is almost sideways. In...
