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Curve Editor 07: Curve Presets

Posted By Grace (RL) 8 Years Ago
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Curve Editor 07: Curve Presets

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Grace (RL)
Grace (RL)
Posted 8 Years Ago
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Curve Editor 07: Curve Presets
Grace (RL)
Grace (RL)
Posted 8 Years Ago
View Quick Profile
Distinguished Member

Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)

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Intro

There are two ways to change the Transition Curve:

  • Click on Presets > Transition Curve in the menubar
  • Select Presets > Transition Curve in the context menu
  • Once a Curve Preset is picked, the results will be immediately visible in the viewport, making it fast for the user to pick the most suitable transition type.
  • The Curve Preset preview will apply to the key before and to the present key.
93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/8849dc2d-ee0e-41c9-8fdb-e86f.gif


Move Key

The 
Transition Curve is preserved even when the keys are moved about.
93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/55152041-8bfd-4091-b7df-06ac.gif


Add & Delete Key

Adding keys to a preset enabled curve will change the effective range of the presets to factor in the additional keys.
93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/8ce0a344-2b41-4caa-bcef-262d.gif

93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/5e2e12f3-3416-44eb-985e-3740.gif


Revert

Revert can be used to return to the curve to its original Transition type.

93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/836e2bd8-5ae5-4b4a-9f6d-9413.gif


Grace (RL)
Grace (RL)
Posted 8 Years Ago
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Types

Accelerate
93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/6a7150cf-6287-4d83-b7ff-eeee.gif


Decelerate
93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/11a83073-c594-44ba-aa78-1503.gif


Smooth In & Smooth Out
93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/c56f6fff-d4e0-41b8-a01e-a258.gif


Pause & Move
93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/e02a570f-4896-46ee-a382-1211.gif


Gain Momentum Then Move
93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/fb56f246-d331-4c40-84be-36bb.gif


Grace (RL)
Grace (RL)
Posted 8 Years Ago
View Quick Profile
Distinguished Member

Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)Distinguished Member (11.3K reputation)

Group: Administrators
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Sample & Refine Keys

Sample
  • With a preset enabled curve, one can use the Sample tool to turn the transition curve into individual keys for editing.
  • Use the Sample All function to turn all of the selected components motion curves into discrete keys.
93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/a3c5da93-524c-4bf8-a554-94cf.gif

93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/ef2ae67d-a1fe-41a4-8ac3-9bdc.gif



Refine Keys
  • Refine Keys lets you optimize a range of keys while attempting to preserve the overall curve.
  • Refine Keys is usually applied to densely keyed motion curves to simplify the curve and reduce the number of keys.
  • Refine Keys is not recommended on curves containing very few keys.

93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/d2ec4fcb-69fe-4f4b-b926-82c6.gif




Refine Keys UI & Concept

  • Before applying Refine Keys, you first need to pick a threshold value ranging from 0 to 1.
  • Refine Keys is applied with the technique of curve fitting while the threshold stands for the curve fitting error threshold.  Essentially, threshold affects the accuracy for the resultant curve compared with the original curve.
  • A larger threshold value results in less accurate curve fitting (the motion curve may become smoother but may deviate quite a bit from the original curve, see the figure in the next page).  By contrast, a smaller threshold will create a curve with better fidelity.
  • As a consequence, higher threshold values result in less keys, while lower threshold values result in more keys (see figure in the next page).
  • The "Preview Key Information" checkbox gives you the option to see the amount of keys prior to and after threshold optimization.
93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/81708730-9698-4ae0-b321-b5e9.png

93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/f2cc4c46-cd77-4e7b-a111-da8b.png93% of original size (was 540x16) - Click to enlargehttps://forum.reallusion.com/uploads/images/36aabd8e-e174-4cab-a318-1795.png



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