Graphics Programs Reference
In-Depth Information
The 3D Pan tool is useful in 3D animation, especially when you are viewing a
large 3D object and would like to pan over it to reveal its details to the
viewer. Also, it can pan over 3D scene backgrounds so that the characters
can move over it.
3D Walk View Tool
In animation storyboarding, you might need to walk through a 3D scene or
object with the camera to give the viewer the impression that he or she is
moving inside the 3D scene. The 3D Walk View tool lets you simulate this
efect by walking around the object or inside the 3D scene.
When using the 3D Walk View tool, you can drag over the object in the
workspace or use the numerical values in the Properties toolbar. Drag over
the object horizontally to walk around the object or through the scene in
horizontal directions. When you drag over the object vertically, the camera
moves away or closer to the object.
3D Zoom Tool
The 3D Zoom tool lets you zoom in or out from the 3D object or through the
3D scene. When selecting the 3D Zoom tool, the mouse's shape changes to
indicate that you can slide vertically over the object. You can zoom the
camera in and out from the object.
You can also zoom over the object using the Properties toolbar values. The
3D Zoom tool properties are diferent than other tools' properties, as it works
as the camera lens's zooming features.
There are two methods for using the zoom lenses. The irst one is the
Perspective camera view and the second is the Orthographic camera view.
You can switch between both view from the Properties toolbar when you
choose the 3D Camera Zoom tool. Let's see the diference between both
camera views in a little more detail.
Perspective Camera View
The Perspective camera view simulates real perspective of the 3D objects
view, as 3D content that is far from the camera is smaller than the 3D
content that is near the camera. This depends on the camera lens. This
method uses parallel lines to calculate the vanishing point of the object.
However, this method is dependent on the 3D object's vanishing point.
The Standard Field of View value sets the camera lens view, which relects
the zooming of the camera. A smaller lens value makes the object view
smaller and the higher lens value makes the object larger.
Figure 10.4   The Perspective camera view options.
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