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1432 Chapter 16: Material Editor, Materials, and Maps
automatically constrained as they are when you
manually move or sc ale a point.
You can zoom into the graph to make detailed
adjustments. As you zoom in, the g raph updates to
show decimal measurements a long the left vertical
axis. You can pan anywhere on the graph w ith the
horizontal and vertical scroll bars, use a button
option, or the middle mouse button. Points can be
deleted, and y ou can reset the graph to its default
at any time.
RGB/Mono—Specifies a map cur ve to either
filter the RGB channels separately (RGB) or in
combination (Mono).
Co py CurvePoints—When turned on, points added
to a Mono graph are copied when y ou switch to
an RGB graph. If you start with an RGB graph,
the points are copied to a Mono graph. You can
animate the control points but not the Bezier
handles.
Impor tant: When Copy CurvePoints is on, animation
created in Mono mode is carried over to RGB mode and
you can switch channels. The reverse doesn’t work.
The following con trols affect the points on the
graph:
Move flyout
Moves a selected point in any direction,
limited by the unselected points on either side.
Constrains movement to the hor izontal.
Constrains movement to t he vertical.
OnaBeziersmoothpoint,youcanmovethepoint
or either handle.
Scale Point—Changes the output amount
of control points while maintaining their relative
position. On a Bezier corner point, this control
is effectively the same as a vertical move. On a
Bezier smooth point, you can scale the point itself
or either handle. As with the move controls, scale
is limited by the unselected points on either side.
Add Point flyout
Adds a Bezier corner point anywhere on the
graph line. The point makes a sharp angle when
moved.
Adds a Bezier smooth point anywhere on the
graph line. Handles attached to the point create
smooth curves when moved.
When either Add Point button is active, you
can use CTRL+click to create the other type of
point. This eliminates the need to switch between
buttons.
Delete Point—Removes selected points.
Reset Cur ves—Returns graph to its default, a
straight line between 0,0 and 1,1.
The following controls affect the view of the graph.
The change in view does not affect the graph’s
results.
Pan—Dragsthegraphinanydirectionwithin
the viewing window.
Zoom Exte nt s—Shows the entire graph.
Zoom Ho r iz onta l Extent s—Shows the entire
horizontalrangeofthegraph. Thescaleofthe
curvewillbedistorted.
Zoom Vertical Ex t ents—Sho ws the entire
verticalrangeofthegraph.Thescaleofthecurve
wi ll be distorted.
Zoom Horizontally—Compresses or expands
the graph in a horizontal direction.