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Chapter 14: Using the Graphite Modeling Tools and Painting with Objects

FIGURE 14.9
The Ribbon includes many general-purpose editing features that are always available.
Preserve UVs
Tweak

Constrain to Normal
Constrain to Face
Constrain to Edge

Constrain to None

Repeat Last
The Repeat button in the Edit panel repeats the last subobject command. This button does not work on all
features, but it’s very convenient for certain actions.

Enabling constraints
The Constraints options limit the movement of subobjects to a specified subobject. The available constraints
are None, Edge, Face, and Normal. For example, if you select and move a vertex with the Edge constraint
enabled, the movement is constrained to the adjacent edges.

Slicing and cutting options
The QSlice button lets you click anywhere on an Editable Poly object where you want a slicing line to be
located. You can then move the mouse, and the QuickSlice line rotates about the point you clicked. When
you click the mouse again, a new vertex is added at every place where the QuickSlice line intersects an
object edge. This is a very convenient tool for slicing objects because the slice line follows the surface of the
object, so you can see exactly where the slice will take place.
For the QuickSlice and Cut tools, you can enable the Full Interactivity option (located near the bottom of
the Polygon Modeling panel). With this option enabled, the slice lines are shown as you move the mouse
about the surface. With Full Interactivity disabled, the resulting lines are shown only when the mouse is
clicked.
Beneath the QSlice tool is the Cut tool. The Cut button is interactive. If you click a polygon corner, the cut
edge snaps to the corner, and a new edge extends from the corner to a nearby corner. As you move the
mouse around, the edge moves until you click where the edge should end. If you click in the middle of an
edge or face, new edges appear to the nearest corner.
Another way to slice an object is with the SwiftLoop button. This button lets you click any open space
between edges to add a loop between the adjacent edges. Once placed, you can drag to slide the loop to its
actual location.

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