Graphics Programs Reference
In-Depth Information
fundamentally different. The elevation of the gizmo will update to more closely
match the terrain elevation in the new location. As you move this gizmo, an edit-
able tooltip displays the x and y coordinates, and a red outline of the road curve and
tangents follows the motion of the gizmo. You can enter values in the tooltip by
clicking the gizmo (without holding), clicking the tooltip field that you would like to
type in, and simply entering a value.
fIgureĀ 3.13 The vertex location gizmo for editing roads
Vertex elevation gizmo The cone-shaped gizmo adjusts the elevation of
the vertex. It is cyan when in standby and becomes red when you hover over it
or click it. This gizmo can move up and down only in the z-axis. To move the
gizmo, you click and hold it, drag it upward or downward to a new elevation, and
then release it. You can enter values in the tooltip by clicking the gizmo (with-
out holding) and simply entering a value.
fIgureĀ 3.14 The vertex elevation gizmo for editing roads
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