DuAEF.DuAE.Property

After Effects properties methods

Namespaces

Bezier
DuAEF.DuAE.Property.Bezier

PuppetTool
DuAEF.DuAE.Property.PuppetTool

Methods

static addKey(props, typeIn, typeOutopt, easeInValueopt, easeOutValueopt, timeopt)
DuAEF.jsxinc, line 6664

Adds a new keyframe on the properties.
To set a value of your choice on one property,
you can create a new KeyFrame, then use DuAEF.DuAE.Property.setKey.
Parameters:
Name Type Attributes Default Description
props Array.<PropertyBase> | Array.<PropertyInfo> The properties
typeIn KeyframeInterpolationType | string The in interpolation type (see AE API) or the string "roving" or "continuous"
typeOut KeyframeInterpolationType | string <optional>
 typeIn The out interpolation type (see AE API)
easeInValue Array.<int> | int <optional>
 33 The in interpolation ease value (used if typeIn is KeyframeInterpolationType.BEZIER)
easeOutValue Array.<int> | int <optional>
 easeInValue The out interpolation ease value (used if typeOut is KeyframeInterpolationType.BEZIER)
time float <optional>
 comp.time The time at which to add the key

static addToEGP(prop) → {int}
DuAEF.jsxinc, line 7237

Adds all the (supported) properties found in a property to the essential graphics panel
Note: any Property or PropertyGroup (and its subproperties) named "data" will be ignored.
Parameters:
Name Type Description
prop PropertyBase The property
Returns:
int - The number of properties added

static cleanKeyframes(property)
DuAEF.jsxinc, line 6966

Removes all unneeded keyframes from the property.< br/> Also checks the interpolation values to reset the correct display as linear/smooth.
Parameters:
Name Type Description
property Property | PropertyInfo The property

static firstKeyFrameTime(props, selected) → {float|null}
DuAEF.jsxinc, line 6123

Gets the time of the first keyFrame
Parameters:
Name Type Description
props Array.<PropertyBase> | Array.<PropertyInfo> The properties
selected boolean true to check selected keyframes only
Returns:
float | null - The keyframe time or null if there are no keyframe

static fixSpatialInterpolation(prop)
DuAEF.jsxinc, line 6932

Fixes the spatial interpolation of the selected keys.
Sets the interpolation to linear when the property does not move between keyframes
Parameters:
Name Type Description
prop Property | PropertyInfo The property

static getAnim(prop, selectedopt, timeRangeopt) → {PropertyGroupAnim|PropertyAnim}
DuAEF.jsxinc, line 6054

Gets all animations in the group in the whole timeline or in the time range
The first KeyFrame._time will be adjusted relatively to the start of the time range (if provided) instead of the startTime of the composition.
Parameters:
Name Type Attributes Default Description
prop PropertyGroup | PropertyInfo The property.
selected boolean <optional>
 false true to get only selected keyframes.
timeRange Array.<float> <optional>
 The time range, an array of two time values, in seconds. If not provided, will use the comp time range.
Returns:
PropertyGroupAnim | PropertyAnim - The animations. A PropertyAnim if prop is a Property, a PopertyGroupAnim if it is a PropertyGroup

static getAnimatedProps(prop, filteropt, strictopt, caseSensitiveopt) → {Array.<PropertyInfo>}
DuAEF.jsxinc, line 7371

Gets the After Effects animated (with keyframes) properties in the propertyGroup
Parameters:
Name Type Attributes Default Description
prop PropertyGroup The parent propertyGroup where to search for animations
filter PropertyType | PropertyValueType | string | function <optional>
 A filter to get only a certain type, or value type, or property name or matchName.
A function which take one PropertyBase as argument can be used to filter the properties: the Property will be returned if the function returns true.
strict boolean <optional>
 false If a string filter is provided, wether to search for the exact name/matchName or if it contains the filter.
caseSensitive boolean <optional>
 true If a string filter is provided, and not strict is false, does the search have to be case sensitive?
Returns:
Array.<PropertyInfo> - The selected properties, an empty Array if nothing active or selected

static getAverageSpeed(props, preExpressionopt, fastModeopt) → {float}
DuAEF.jsxinc, line 7552

Gets the average speed of the animated propreties
Parameters:
Name Type Attributes Default Description
props Array.<Property> | Array.<PropertyInfo> The Properties
preExpression bool <optional>
 true True to get the velocity from keyframes instead of the result of the exression
fastMode bool <optional>
 true True to limit the number of samples used to compute the velocity and make the process faster.
Returns:
float - The average speed in unit per second

static getComp(prop) → {CompItem}
DuAEF.jsxinc, line 5816

Gets the composition containing the property
Parameters:
Name Type Description
prop PropertyBase | PropertyInfo The After Effects Property
Returns:
CompItem - The composition

static getDimensions(prop) → {int}
DuAEF.jsxinc, line 5842

Gets the number of dimensions of a property
Parameters:
Name Type Description
prop Property | PropertyInfo The After Effects Property
Returns:
int - The number of dimensions, 0 if this is not a dimensionnal value (ie color, text, shape...)
Gets an expression link to the property
Parameters:
Name Type Attributes Default Description
prop Property | PropertyInfo The property
useThisComp bool <optional>
 false Wether to begin the expression by 'thisComp' or 'comp("name")'
fromLayer bool <optional>
 true Wether to begin the expression by comp.layer or directly from the first prop of the layer
Returns:
str - The expression link to the property

static getKeyFrameAtIndex(prop, keyIndex) → {KeyFrame}
DuAEF.jsxinc, line 5944

Gets the key at a given index on a property
Parameters:
Name Type Description
prop Property | PropertyInfo The property.
keyIndex int The index of the key to retrieve. If the index is negative, it is counted from the end i.e. to retrieve the keyframe before the last one, use -2 (-1 is the last)
Returns:
KeyFrame - The keyframe, or null if incorrect index

static getKeyFrameAtTime(prop, time) → {KeyFrame}
DuAEF.jsxinc, line 5992

Gets the key at an exactly given time on a property
Parameters:
Name Type Description
prop Property | PropertyInfo The property.
time float The time of the key to retrieve.
Returns:
KeyFrame - The keyframe, or null if incorrect time

static getKeyFrames(prop, selectedopt, timeRangeopt) → {Array.<KeyFrame>}
DuAEF.jsxinc, line 6011

Gets the property keyframes in the whole timeline or in the time range
The KeyFrame._time will be adjusted relatively to the start of the time range instead of the startTime of the composition.
Parameters:
Name Type Attributes Default Description
prop Property | PropertyInfo The property.
selected boolean <optional>
 false true to get only selected keyframes.
timeRange Array.<float> <optional>
 The time range, an array of two time values, in seconds. If not provided, will use the comp time range.
Ignored if selected is true;
Returns:
Array.<KeyFrame> - The keyframes, or null of this property is of type PropertyValueType.NO_VALUE or PropertyValueType.CUSTOM_VALUE

static getLayer(prop) → {Layer}
DuAEF.jsxinc, line 5801

Gets the layer containing the property
Parameters:
Name Type Description
prop PropertyBase | PropertyInfo The After Effects Property
Returns:
Layer - The layer

static getMaximumSpeed(props, preExpressionopt) → {float}
DuAEF.jsxinc, line 7004

Gets the maximum speed of the animated propreties
Parameters:
Name Type Attributes Default Description
props Array.<Property> | Array.<PropertyInfo> The Properties
preExpression bool <optional>
 true True to get the velocity from keyframes instead of the result of the exression
Returns:
float - The average speed

static getMaxVelocity(prop, preExpressionopt, fastModeopt) → {float}
DuAEF.jsxinc, line 7500

Gets the maximum velocity of the animated property.
The property type must be one of: one D, two D, three D (spatial or not), Color. If the property is not one of these types, returns 0.
Parameters:
Name Type Attributes Default Description
prop Property | PropertyInfo The property
preExpression bool <optional>
 true True to get the velocity from keyframes instead of the result of the exression
fastMode bool <optional>
 true True to limit the number of samples used to compute the velocity and make the process faster.
The number of samples is automatically adapted from the duration of the composition.
When true and if there are more than one keyframe, the velocity is sampled only between keyframes.
Returns:
float - The velocity.

static getNearestKeyFrameAtTime(prop, time) → {KeyFrame}
DuAEF.jsxinc, line 5981

Gets the nearest key at a given time on a property
Parameters:
Name Type Description
prop Property | PropertyInfo The property.
time float The time of the key to retrieve.
Returns:
KeyFrame - The keyframe, or null if incorrect time or not found

static getProps(property, filteropt, strictopt, caseSensitiveopt) → {Array.<PropertyInfo>}
DuAEF.jsxinc, line 5752

Gets the After Effects properties in the property
Parameters:
Name Type Attributes Default Description
property PropertyBase | PropertyInfo The layer
filter PropertyType | PropertyValueType | string | function <optional>
 A filter to get only a certain type, or value type, or property name or matchName.
A function which take one PropertyBase as argument can be used to filter the properties: the Property will be returned if the function returns true.
strict boolean <optional>
 false If a string filter is provided, wether to search for the exact name/matchName or if it contains the filter.
caseSensitive boolean <optional>
 true If a string filter is provided, and not strict is false, does the search have to be case sensitive?
Returns:
Array.<PropertyInfo> - The selected properties, an empty Array if nothing found

static getRange(prop, axisopt, preExpressionopt, fastModeopt) → {Array.<float>}
DuAEF.jsxinc, line 7439

Gets the value range of the animated property.
The property type must be one of: one D, two D, three D (spatial or not), Color. If the property is not one of these types, returns an empty Array.
Parameters:
Name Type Attributes Default Description
prop Property | PropertyInfo The property
axis int <optional>
 0 The axis (or the color channel) to get the range
preExpression bool <optional>
 true True to get the range from keyframes instead of the result of the exression
fastMode bool <optional>
 true True to check the range with values only at keyframe times. False to check the range with all values, at each frame of the comp.
Returns:
Array.<float> - The minimum and maximum value.
The first item in the Array is not necesarily the lowest value, it is the first in time.

static getSpeed(prop, timeopt, preExpressionopt) → {float}
DuAEF.jsxinc, line 7022

Gets the speed of a property at a given time
Parameters:
Name Type Attributes Default Description
prop Property | PropertyInfo The property
time float <optional>
 composition.time The time.
preExpression boolean <optional>
 true true to get the pre-expression speed.
Returns:
float - The speed

static hasSelectedKeys(prop) → {boolean}
DuAEF.jsxinc, line 6855

Checks if the property has some selected keyframes.
The property can be either a Property or a PropertyGroup.
Parameters:
Name Type Description
prop PropertyBase The property
Returns:
boolean - true if the property have at least one selected keyframe

static isAnimated(prop) → {boolean}
DuAEF.jsxinc, line 7355

Checks if the property has an animation (keyframes)
Parameters:
Name Type Description
prop Property The property
Returns:
boolean - True if the property is animated

static isEditable(prop) → {bool}
DuAEF.jsxinc, line 5866

Checks if this property value can be edited
Parameters:
Name Type Description
prop Property | PropertyInfo The After Effects Property
Returns:
bool - true if the value of the property can be edited, false otherwise

static isMasterProperty(prop) → {bool}
DuAEF.jsxinc, line 5907

Checks if a property is part of the master properties of a precomp
Parameters:
Name Type Description
prop Property | PropertyInfo The After Effects Property
Returns:
bool - true if property is part of the master properties

static isNumerical(prop) → {bool}
DuAEF.jsxinc, line 7418

Checks if the property value is a number or an Array of Number.
I.e if its value type is one of: one D, two D, three D (spatial or not), Color.
Parameters:
Name Type Description
prop Property The property
Returns:
bool

static isRiggable(prop) → {bool}
DuAEF.jsxinc, line 5920

Checks if this property value can be rigged (with an expression)
Parameters:
Name Type Description
prop Property | PropertyInfo The After Effects Property
Returns:
bool - true if the value of the property can be rigged, false otherwise

static linkProperties(childProp, parentProp, useThisCompopt, timeLayeropt)
DuAEF.jsxinc, line 7123

Link all the properties found in childProp to all the same properties of parentProp (this is a recursive method)
Note: any Property or PropertyGroup (and its subproperties) named "Data" will be linked the opposite way (from parentProp to childProp).
Parameters:
Name Type Attributes Default Description
childProp PropertyBase The child property
parentProp PropertyBase The parent property
useThisComp bool <optional>
 Wether to begin the expression by 'thisComp' or 'comp("name")', default: will detect if the properties are in the same comp
timeLayer LayerItem <optional>
 null A layer used to offset the time (typically, in case of link between precompositions, the precomposition layer).
When not null, the start time of this layer will be taken into account to get the values and synchronize them.

static lock(properties)
DuAEF.jsxinc, line 7299

Locks the property with an expression so its value cannot be changed
Parameters:
Name Type Description
properties PropertyBase | PropertyInfo | Array.<PropertyBase> | Array.<PropertyInfo> The property or properties

static newUniqueMarkerName(newName, prop, incrementopt) → {string}
DuAEF.jsxinc, line 5828

Generates a new unique name for a marker for this marker porperty
Parameters:
Name Type Attributes Default Description
newName string The wanted new name
prop Property The comp
increment boolean <optional>
 true true to automatically increment the new name if it already ends with a digit
Returns:
string - The unique name, with a new number at the end if needed.

static pickWhip(childProp, parentProp, useThisComp)
DuAEF.jsxinc, line 7099

Adds an expression to the child property, linking it to the parent property
Parameters:
Name Type Description
childProp Property The child property (the one which gets an expression).
parentProp Property The parent property.
useThisComp bool Wether to begin the expression by 'thisComp' or 'comp("name")', default: will detect if the properties are in the same comp

static removeAnim(prop, removeExpressionopt)
DuAEF.jsxinc, line 6374

Removes the animation from the property
Parameters:
Name Type Attributes Default Description
prop Property | PropertyInfo The property
removeExpression boolean <optional>
 false Set to true to remove the expression too

static removeDataExpressions(prop)
DuAEF.jsxinc, line 7184

Removes all expressions found in groups or sections named "Data" in the property.
Parameters:
Name Type Description
prop PropertyBase The property

static removeExpression(prop, filter, keepPostExpressionValueopt)
DuAEF.jsxinc, line 7331

Removes the expression from the property, keeping the post-expression value.
Parameters:
Name Type Attributes Default Description
prop Property | PropertyInfo The property
filter function A function which takes a string as a parameter (the expression). Returns true if the expression has to be removed.
keepPostExpressionValue bool <optional>
 true Set to false to just remove the expressions and get back the pre expression value

static removeExpressions(prop, filter, keepPostExpressionValueopt)
DuAEF.jsxinc, line 7220

Removes all expressions found in the property.
Parameters:
Name Type Attributes Default Description
prop PropertyBase The property
filter function A function which takes a string as a parameter (the expression). Returns true if the expression has to be removed.
keepPostExpressionValue bool <optional>
 true Set to false to just remove the expressions and get back the pre expression value

static replaceInExpressions(prop, oldString, newString, caseSensitiveopt)
DuAEF.jsxinc, line 7074

Replaces text in Expressions
Parameters:
Name Type Attributes Default Description
prop PropertyBase | PropertyInfo The property (can be a group)
oldString string The string to replace
newString string The new string
caseSensitive boolean <optional>
 true Wether the search has to be case sensitive

static scriptifyExpression(prop, varNameopt) → {string}
DuAEF.jsxinc, line 7611

Converts the expression as a string which can be copy/pasted and included in a script.
Parameters:
Name Type Attributes Description
prop Property | PropertyInfo | string The property containing the expression or the expression itself.
varName string <optional>
 A name for the variable
Returns:
string - The stringified expression.

static selectKeyFrames(property, inTimeopt, outTimeopt)
DuAEF.jsxinc, line 6391

Selects the keyframes in the propoerty.
Selects all nested keyframes if the property is a group.
Parameters:
Name Type Attributes Default Description
property PropertyBase | PropertyInfo The property
inTime float <optional>
 0 The time at which to select the keyframes
outTime float <optional>
 inTime The end time

static setAnim(prop, anims, timeopt, setExpressionopt, replaceopt, offsetopt) → {boolean}
DuAEF.jsxinc, line 6229

Sets the property animation on the property.
Use this method only to force the animation onto the property without checks.
Must be used on a Property (not a group) with a PropertyAnim (not a PropertyGroupAnim).
To easily set an animation on a property with automatic compatibility checks, you should use setGroupAnim().
Parameters:
Name Type Attributes Default Description
prop Property | PropertyInfo The property.
anims PropertyAnim The animation
time float <optional>
 comp.time The time where to begin the animation
setExpression boolean <optional>
 false Sets the expression too
replace boolean <optional>
 false true to remove any existing keyframe on the properties before adding new keyframes
offset boolean <optional>
 false true to offset the current value, instead of replacing it
Returns:
boolean - true if the anim was actually set.

static setEase(props, easeInValueopt, easeOutValueopt, velocityInValueopt, velocityOutValueopt, velocityAsPercentopt)
DuAEF.jsxinc, line 6728

Changes the ease influences of the selected keys
Parameters:
Name Type Attributes Default Description
props Array.<PropertyBase> | Array.<PropertyInfo> The properties
easeInValue Array.<int> | int <optional>
 The in interpolation ease value. Will be ignored if undefined.
easeOutValue Array.<int> | int <optional>
 The out interpolation ease value. Will be ignored if undefined.
velocityInValue Array.<int> | int <optional>
 The out interpolation ease value. Will be ignored if undefined.
velocityOutValue Array.<int> | int <optional>
 The out interpolation ease value. Will be ignored if undefined.
velocityAsPercent boolean <optional>
 false Use a percent instead of a value to set velocities.
In this case, the proper velocity value will be deduced by multiplying the max speed of the property by the percent.

static setExpression(property, expr, keepValueopt)
DuAEF.jsxinc, line 7041

Sets an expression to a property.
With the ability to keep the initial value.
Parameters:
Name Type Attributes Default Description
property Property | PropertyInfo The property
expr string The expression
keepValue bool <optional>
 true When true, the method will try to keep the same resulting value as before applying the expression.

static setGroupAnim(prop, anims, timeopt, ignoreNameopt, setExpressionopt, onlyKeyframesopt, replaceopt, whiteListopt, offsetopt) → {boolean}
DuAEF.jsxinc, line 6318

Sets all animations on a Property or a PropertyGroup.
Parameters:
Name Type Attributes Default Description
prop PropertyGroup | PropertyInfo The property group.
anims PropertyAnim The animation
time float <optional>
 comp.time The time where to begin the animation
ignoreName boolean <optional>
 false true to set the anim even if name of the property do not match the animation.
setExpression boolean <optional>
 false Sets the expression too
onlyKeyframes boolean <optional>
 true If false, the value of properties without keyframes will be set too.
replace boolean <optional>
 false true to remove any existing keyframe on the properties before adding new keyframes
whiteList Array.<string> <optional>
 A list of matchNames used as a white list for properties to set anims.
Can be the matchName of a propertyGroup to set all the subproperties.
Ignored if the list is empty.
offset boolean <optional>
 false true to offset the current value, instead of replacing it
Returns:
boolean - true if the anim was actually set.

static setInterpolationType(layers, props, typeIn, typeOutopt, easeInValueopt, easeOutValueopt)
DuAEF.jsxinc, line 6584

Changes the interpolation type on selected keyframes, or sets a new key at current time if there are no keyframes selected.
Parameters:
Name Type Attributes Default Description
layers Array.<Layer> | LayerCollection The layers containing the properties
props Array.<PropertyBase> | Array.<PropertyInfo> The properties
typeIn KeyframeInterpolationType | string The in interpolation type (see AE API) or the string "roving" or "continuous"
typeOut KeyframeInterpolationType | string <optional>
 typeIn The out interpolation type (see AE API)
easeInValue Array.<int> | int <optional>
 33 The in interpolation ease value (used if typeIn is KeyframeInterpolationType.BEZIER)
easeOutValue Array.<int> | int <optional>
 easeInValue The out interpolation ease value (used if typeOut is KeyframeInterpolationType.BEZIER)

static setKey(prop, key, timeOffsetopt)
DuAEF.jsxinc, line 6163

Sets a KeyFrame on a property
Parameters:
Name Type Attributes Default Description
prop Property | PropertyInfo The property.
key KeyFrame The KeyFrame.
timeOffset float <optional>
 comp.time The time offset (added to KeyFrame._time) where to add the key frame.

static setKeyInterpolation(prop, key, typeIn, typeOutopt, easeInValueopt, easeOutValueopt)
DuAEF.jsxinc, line 6620

Sets interpolations on a keyframe.
Parameters:
Name Type Attributes Default Description
prop Property The property
key int The key index
typeIn KeyframeInterpolationType | string The in interpolation type (see AE API) or the string "roving" or "continuous"
typeOut KeyframeInterpolationType | string <optional>
 typeIn The out interpolation type (see AE API)
easeInValue Array.<int> | int <optional>
 33 The in interpolation ease value (used if typeIn is KeyframeInterpolationType.BEZIER)
easeOutValue Array.<int> | int <optional>
 easeInValue The out interpolation ease value (used if typeOut is KeyframeInterpolationType.BEZIER)

static setSpatialInterpolation(prop, typeIn, typeOutopt)
DuAEF.jsxinc, line 6877

Sets the spatial interpolation of the selected keyframes on the property
Parameters:
Name Type Attributes Default Description
prop Property | PropertyInfo The property
typeIn KeyframeInterpolationType The in interpolation type (see AE API)
typeOut KeyframeInterpolationType <optional>
 typeIn The in interpolation type (see AE API)

static setValue(prop, value) → {boolean}
DuAEF.jsxinc, line 6482

Sets a value on a property, adjusting the dimensions if needed
Parameters:
Name Type Description
prop Property | PropertyInfo The property
value any The value to set
Returns:
boolean - True if the value has correctly been set, false otherwise.

static setValueAtTime(prop, value, timeopt)
DuAEF.jsxinc, line 6532

Sets a new keyframe on a property, adjusting the dimensions if needed, at desired time
Parameters:
Name Type Attributes Description
prop Property | PropertyInfo The property
value any The value to set
time float <optional>
 The time of the new keyframe

static velocityToPercent(prop, key) → {Array.<float>}
DuAEF.jsxinc, line 6687

Computes a percentage from a velocity on a given keyframe.
Parameters:
Name Type Description
prop Property | PropertyInfo The property
key int The index of the keyframe where to compute the velocity
Returns:
Array.<float> - The velocities [in, out] as a percentage.