Motion Blur Layer

Revision as of 12:44, 24 February 2017

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About Motion Blur Layer

Blur is a graphical effect that aims to imitate an unfocused image. In a photography context blur can occur when the focal point of the lens is not at the right position of the target of the photograph. Also blur can have other origins. Blurs can happen as the result of a poor exposure during its recording (too long exposure time for a large movement of the object or a high movement of the recorder). Also blurring occurs when you use a very wide aperture (f4). In that case the objects that are out of focus are very blurred compared to the situation where the aperture is fully closed (f22).

In a graphical context, blurs are effects that imitate those situations (with more or less success). Motion Blur Layer allows to simulate the blur of picture, that arises by movement.

Specific parameters of the Motion Blur Layers

The parameters of the motion blur layer are:

Name	Value	Type
Aperture	0f	time
Subsamples Factor	1.000000	real
Subsampling Type	Hyperbolic	integer
Subsample Start Amount	0.000000	real
Subsample End Amount	1.000000	real

Aperture

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Samples

	From Subsample Start 0 to Subsample End 1	From Subsample Start 1 to Subsample End 0
0f–0f
0f–24f
24f–24f
24f–0f

Note 

Rows in table – Apreture value from begin (0 frame) to end (120 frame).

Columns in table – Subsample Start Amount value and Subsample End Amount value

Synfig file from sample test - Media:motion_blur.sifz

See also

• A short description of the blur layers can be found here: Layer
• Radial Blur Layer with a radial control of the size of the blur.
• Blur Layer mostly used types of blur.

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