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Introduction
Lesson 3: Viewing the Maya 3D scene
Workflow overview
Camera tools
In the lessons so far, when you looked
at an object from the top, front, or side views you have been viewing
the scene through an orthographic view. Orthographic
views appear two-dimensional because the object is displayed using parallel
projections of only two axes at a time. (Scooter images courtesy
of The Art of Maya)
When
you view the scene through the perspective view, you are viewing
the scene in a three-dimensional manner. The perspective view simulates
what your scene would look like from a camera’s point of view.
In Maya, you view the scene through a set of
virtual cameras. These cameras are either orthographic or perspective
in nature. You can adjust how these cameras view the scene using
the Camera Tools.
The three primary methods for manipulating the
camera view are dolly, tumble, and track.
Dolly Tool
The Dolly
Tool gets its name from filmmaking where a camera, mounted
on a wheeled tripod, is moved towards or away from the scene. In
Maya, dollying allows you to view the items in your scene either
close up or from further back.
To
dolly the perspective view
- Enlarge
the scene view to a single perspective view.
- Do
one of the following:
- (Windows
& Linux) Press the Alt key and drag the mouse to the right while
holding down the right button on your mouse.
- (Mac
OS X) Press the Option key and drag the mouse to the right while holding
down the right button on your mouse.
- To
dolly the camera outwards from the subject in the scene you can
perform the same key and mouse combinations as described above but
drag the mouse to the left.
Dolly works in both the perspective and orthographic
views.
TipIf you make an error when adjusting your
camera view of the scene, you can reset the camera to its default
home setting.
To reset the camera view for a particular orthographic
or perspective view:
From the panel menu, select View
> Default Home.
Tumble Tool
The Tumble
Tool allows you to tumble or rotate the camera’s view
around a particular center of interest to achieve either a higher
or lower vantage point, or a different side angle.
To
tumble the perspective view
- Press
the Alt key (Windows & Linux) or the Option key (Mac OS X) and drag
the mouse either left or right, or up or down, while holding down
the left button on your mouse.
Tumbling the view revolves the camera around
the center of the scene view, in whichever direction you drag (left,
right, up or down). The Tumble Tool does
not work in the orthographic views.
Track Tool
The Track
Tool allows you to move the camera up, down, or sideways
in relation to the scene.
To
track the perspective view
- Press
the Alt key (Windows & Linux) or the Option key (Mac OS X) and drag
the mouse in any direction, while holding down the middle button on
your mouse.
The Track Tool works
for both orthographic and perspective views.
NoteEven though the objects appear to move across
the screen when operating any of these camera tools, it is the viewing
camera that is actually moved in relation to the scene, not the
objects.