Difference between revisions of "Layers"

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Revision as of 19:33, 4 September 2007

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Introduction

Synfig, like most every other competent graphics program, breaks down individual elements of a Canvas into Layers. However, it differs from other programs in two major ways:

  1. An individual layer in Synfig usually represents a single "Primitive". ie. a single region, an outline of a region, an imported JPEG, etc... This allows you to have a great deal of flexibility and control. It is not uncommon for a composition to have hundreds of layers (organized into a hierarchy for artist sanity of course).
  2. A layer can not only composite information on top of the image below it, but also distort and/or modify it in some other way. In this sense, Synfig Layers act much like filters do in Adobe Photoshop or The GIMP. For example, we have a Blur Layer, Radial Blur Layer, Spherical Distortion Layer, color-correct layer, bevel layer, etc...

Each layer has a set of parameters which determine how it behaves. When you click on a layer (either in the canvas window, or in the Layers Dialog), you will see its parameters in the Params Dialog.

Available Layer Types

The following layer types are available in synfig:

Blurs

Parameter Description
Size Size of Blur
Type Type of blur to use
Parameter Description
Aperture Shutter Time
Parameter Description
Origin Point where you want the origin to be
Size Size of blur
Fade Out

Distortions

Parameter Description
Origin Defines the where the center will be
Parameter Description
Displacement
Size
Random Seed
Interpolation What type of interpolation to use
Detail
Animation Speed
Turbulent
Parameter Description
Position
Radius
Amount
Clip
Distort Type The direction of the distortion
Parameter Description
Amount
Center
Parameter Description
Center
Radius This is the radius of the circle
Rotations
Distort Inside
Distort Outside
Parameter Description
Source TL
Source BR
Dest TL
Dest TR
Dest BR
Dest BL
Clip
Horizon

Filters

Parameter Description
Invert Negative
Clamp Ceiling
Ceiling
Floor
Parameter Description
Hue Adjust
Brightness
Contrast
Exposure Adjust
Gamma Adjustment
Parameter Description
Mask Offset
Mask Angle
Mask Size
Light Color
Dark Color
Type
Parameter Description
Mask Size
Type
Subtractive Flag
<Channel Name>Color
<Channel Name>Mask Offset
<Channel Name>Mask Angle
Parameter Description
Color Color of checkers
Offset
Size Size of checkers

Fractals

Parameter Description
Inside Color Color of the Set
Outside Color Color outside the Set
Color Shift
Iterations
Seed Point
Bailout ValueBase
Distort Inside
Shade Inside
Solid Inside
Invert Inside
Color Inside
Distort Outside
Shade Outside
Solid Outside
Invert Outside
Color Outside
Color Cycle
Smooth Outside Smooth the coloration outside the set
Break Set Modify equation to achieve interesting results
Parameter Description
Iterations
Bailout ValueBase
Break Set Modify equation to achieve interesting results
Distort Inside
Shade Inside
Solid Inside
Invert Inside
Gradient Inside
Offset Inside
Loop Inside
Distort Outside
Shade Outside
Solid Outside
Invert Outside
Gradient outside
Smooth Outside Smooth the coloration outside the set
Offset Outside
Scale Outside

Geometry

Parameter Description
Color Color of checkers
Offset
Size Size of checkers
Parameter Description
Color
Radius
Feather
Center
Invert Invert the circle
Falloff Determines the falloff function for the feather
Parameter Description
Vertices A list of BLine Points
Point Widths
Outline Width
Expand
Sharp Cusps Determines cusp type
Rounded Begin Round off the tip
Rounded End Round off the tip
Loopyness
Homogeneous
Parameter Description
Vector List
Parameter Description
Color
Point 1
Point 2
Expand amount
Invert the rectangle
Parameter Description
Vertices
Parameter Description
Color
Parameter Description
Outer Radius The radius of the outer points in the star
Inner Radius The radius of the inner points in the star
Angle The orientation of the star
Points The number of points in the star

Gradients

Parameter Description
Gradient
Center
Angle
Symmetric
Parameter Description
Offset
Width
Vertices A list of BLine Points
Gradient
Loop
ZigZag
Perpendicular
Fast
Parameter Description
Point 1
Point 2
Gradient
Loop
ZigZag
Parameter Description
Gradient
Random Seed
Size
Interpolation What type of interpolation to use
Detail
Animation Speed
Turbulent
Do Alpha
Super Sampling
Parameter Description
Gradient
Center
Radius This is the radius of the circle
Loop
Zig-Zag
Parameter Description
Gradient
Center
Radius This is the radius of the circle
Angle
Clockwise

Other

Parameter Description
Origin Point where you want the origin to be
Canvas Canvas to paste
Zoom Size of canvas
Time Offset
Children Lock
Parameter Description
Filename File to import
Time Offset
Parameter Description
Width Width of sample area (In pixels)
Height Height of sample area (In pixels)
Use Parametric Use the Parametric Renderer
Be Alpha Safe
Parameter Description
Start Time
End Time
Parameter Description
Offset
Size
Parameter Description
Vertices A list of BLine Points
Gradient
Split Angle
Gravity
Velocity
Stem Size
SizeAsAlpha
Step
Seed
Splits
Sprouts
Random Factor
Drag

Stylize

Parameter Description
Type Type of blur to use
Hi-Color
Lo-Color
Light Angle
Depth of Bevel
Softness
Use Luma
Solid
Parameter Description
Color
Offset
Size Size of Shade
Type Type of blur to use
Invert

Transform

Parameter Description
Origin Point where you want the origin to be
Amount Amount of rotation
Parameter Description
Origin Point where you want the origin to be
Parameter Description
Amount Amount to zoom in
Center Point to zoom in to

Typography

Parameter Description
Text Text to Render
Color Color of the text
Font Family
Style
Weight
Horizontal Spacing Describes how close glyphs are horizontally
Vertical Spacing Describes how close lines of text are vertically
Size Size of the text
Orientation Text Orientation
Position Text Position
Font Filename of the font to use
Kerning Enables/Disables font kerning (If the font supports it)
Sharpen Edges Turn this off if you are going to be animating the text
Invert

Not Available

These layers are examples to aid developers in creating more layer types, but aren't included in binary releases of Synfig.

Parameter Description
Color Layer_Shape Color
Position
Invert
Antialiasing
Feather
Type of Feather Type of feathering to use
Winding Style Winding style to use
Parameter Description
Color
Points
Radii
Weights
Threshold
Parameter Description
Color
Center
Radius This is the radius of the circle
Parameter Description
Color
Point 1
Point 2
Feather X
Feather Y
Bevel
Keep Bevel Circular


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