Martin LIGHTING DIRECTOR User Manual page 58

Performer-activated show control system
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pointer over the curve and pressing the right mouse button. On the floating window
that appears you may draw the curve point by point. To exit the zooming function click
outside the floating window. If you want to draw straight lines instead of curves you
select a starting point by double clicking with the left mouse button and then select a
finishing point for the line by pressing the left mouse button.
Side note: most DMX controllable features in most moving lights do not behave linearly, which
means that a straight line in the layer media behaviour will likely not appear as a smooth linear
change. Time has to be spent fine tuning the behaviour curves to give the appearance of linear
change.
Figure 35 - Linear dynamic control curve. The DMX channel
When you release the mouse after drawing a curve or line you will see that the
program automatically "clips" the curve so that the relationship is valid over the area
defined by the layer. Please note that graphical relations work only for the regions that
you specified for your layer. If you defined a layer that covers the whole stage then the
effect will take place over the whole stage. Otherwise, the graphical editor overlays
outlines of the layer to help you visually define the curve with relation to your layer's
active area on the stage.
Side note: although the "Media bytes" coordinate only has 255 steps, corresponding to 8-bit
control, the software automatically interpolates these steps to 12 or 16-bit if the DMX channel
in the selected fixture mode will allow it.
Page 58
will be steady at 200 at stage right and then decrease
gradually to a minimum of 80 at stage left.
MLD manual 1.1

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