Fields

For working with and manipulating fields. Evaluating at specific indices, offsetting, fallback values and picking from groups.

Index Mixed

Offset the current point’s Index by a given amount, returning the fractional Index value

Outputs

Description	Socket
The sum of the Offset and the Index	Mixed
The floor of the Mixed output	Floor
The Ceiling of the mixed output	Ceiling

Inputs

Socket	Default	Description
Index	Index	The Index at which to add the Offset value to
Offset	0.5	The offset value to add to the to the Index

Index Mix Float

Sample and interpolate the Float value between the floor and ceiling of the given Index, by the fractional amount

Outputs

Description	Socket
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	Value
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	From
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	To

Inputs

Socket	Default	Description
Value	0.0	The field to interpolate based on the input Index
Index	0.0	The floor and ceiling of this Index value is taken and used for sampling, the fraction of this value is then used to mix between the sampled values

Index Mix Vector

Sample and interpolate the Vector value between the floor and ceiling of the given Index, by the fractional amount

Outputs

Description	Socket
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	Value
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	From
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	To

Inputs

Socket	Default	Description
Value	[0.0, 0.0, 0.0]	The field to interpolate based on the input Index
Index	0.0	The floor and ceiling of this Index value is taken and used for sampling, the fraction of this value is then used to mix between the sampled values

Index Mix Rotation

Sample and interpolate the Rotation value between the floor and ceiling of the given Index, by the fractional amount

Outputs

Description	Socket
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	Rotation
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	From
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	To

Inputs

Socket	Default	Description
Rotation	<Euler (x=0.0000, y=0.0000, z=0.0000), order=‘XYZ’>	The field to interpolate based on the input Index
Index	0.0	The floor and ceiling of this Index value is taken and used for sampling, the fraction of this value is then used to mix between the sampled values

Index Mix Color

Sample and interpolate the Color value between the floor and ceiling of the given Index, by the fractional amount

Outputs

Description	Socket
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	Color
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	From
The mixed value of the field, first evaluating the field at the From and To Indices then mixing between them based on the fraction of the input Index	To

Inputs

Socket	Default	Description
Color	[1.0, 1.0, 1.0, 1.0]	The field to interpolate based on the input Index
Index	0.0	The floor and ceiling of this Index value is taken and used for sampling, the fraction of this value is then used to mix between the sampled values

Sample Position

A convenience wrapper around the Sample Index and Position nodes

Sample the Position attribute from a point at the given Index

Outputs

Description	Socket
The sampled Position field	Position

Inputs

Socket	Default	Description
Geometry	None	The geometry to sample the Position from
Position	Position	The Position field to sample the values from
Index	Index	The Index at which to sample the Position field from

Sample Mixed Float

Sample the Float attribute, mixed between the floor and ceiling of the given Index

Outputs

Description	Socket
The evaluated and mixed field, sampled from the sample geometry at the given Index	Value

Inputs

Socket	Default	Description
Geometry	None	The geometry to sample the values from
Value	0.0	The field to mix and evaluate on the sample geometry
Index	0.0	The index to sample the value from. The fractional component of the index is used to mix between values using Index Mix ... nodes

Sample Mixed Vector

Sample the Vector attribute, mixed between the floor and ceiling of the given Index

Outputs

Description	Socket
The evaluated and mixed field, sampled from the sample geometry at the given Index	Value

Inputs

Socket	Default	Description
Geometry	None	The geometry to sample the values from
Value	[0.0, 0.0, 0.0]	The field to mix and evaluate on the sample geometry
Index	0.0	The index to sample the value from. The fractional component of the index is used to mix between values using Index Mix ... nodes

Sample Mixed Rotation

Sample the Rotation attribute, mixed between the floor and ceiling of the given Index

Outputs

Description	Socket
The evaluated and mixed field, sampled from the sample geometry at the given Index	Rotation

Inputs

Socket	Default	Description
Geometry	None	The geometry to sample the values from
Rotation	<Euler (x=0.0000, y=0.0000, z=0.0000), order=‘XYZ’>	The field to mix and evaluate on the sample geometry
Index	0.0	The index to sample the value from. The fractional component of the index is used to mix between values using Index Mix ... nodes

Sample Mixed Color

Sample the Color attribute, mixed between the floor and ceiling of the given Index

Outputs

Description	Socket
The evaluated and mixed field, sampled from the sample geometry at the given Index	Color

Inputs

Socket	Default	Description
Geometry	None	The geometry to sample the values from
Color	[0.0, 0.0, 0.0, 1.0]	The field to mix and evaluate on the sample geometry
Index	0.0	The index to sample the value from. The fractional component of the index is used to mix between values using Index Mix ... nodes

Offset Index

Add an integer offset to the point’s Index

Outputs

Description	Socket
The Index + Offset	Index

Inputs

Socket	Default	Description
Index	Index	The Index at which to evaluate this offset from
Offset	0	The Offset to apply to the Index of the point

Offset Integer

Evaluate an Integer at an index that is offset by the specified amount

Outputs

Description	Socket
The field evaluated at the offset Index value	Value

Inputs

Socket	Default	Description
Index	Index	The Index at which to evaluate this offset from
Value	0	The field to evaluate at the given Index + Offset on the point domain
Offset	0	The offset to apply to the Index before evaluating the input field

Offset Float

Evaluate a Float value at an index that is offset by the specified amount

Outputs

Description	Socket
The field evaluated at the offset Index value	Value

Inputs

Socket	Default	Description
Index	Index	The Index at which to evaluate this offset from
Value	0.0	The field to evaluate at the given Index + Offset on the point domain
Offset	0	The offset to apply to the Index before evaluating the input field

Offset Vector

Evaluate a Vector at an index that is offset by the specified amount

Outputs

Description	Socket
The field evaluated at the offset Index value	Value

Inputs

Socket	Default	Description
Index	Index	The Index at which to evaluate this offset from
Vector	Position	The field to evaluate at the given Index + Offset on the point domain
Offset	0	The offset to apply to the Index before evaluating the input field

Offset Boolean

Evaluate a Boolean at an index that is offset by the specified amount

Outputs

Description	Socket
The field evaluated at the offset Index value	Boolean

Inputs

Socket	Default	Description
Index	Index	The Index at which to evaluate this offset from
Boolean	False	The field to evaluate at the given Index + Offset on the point domain
Offset	0	The offset to apply to the Index before evaluating the input field

Offset Rotation

Evaluate a Rotation at an index that is offset by the specified amount

Outputs

Description	Socket
The field evaluated at the offset Index value	Rotation

Inputs

Socket	Default	Description
Index	Index	The Index at which to evaluate this offset from
Rotation	<Euler (x=0.0000, y=0.0000, z=0.0000), order=‘XYZ’>	The field to evaluate at the given Index + Offset on the point domain
Offset	0	The offset to apply to the Index before evaluating the input field

Offset Matrix

Evaluate a 4X4 Matrix at an index that is offset by the specified amount

Outputs

Description	Socket
The field evaluated at the offset Index value	Matrix

Inputs

Socket	Default	Description
Index	Index	The Index at which to evaluate this offset from
Matrix	None	The field to evaluate at the given Index + Offset on the point domain
Offset	0	The offset to apply to the Index before evaluating the input field

Fallback Float

Use the Float attribute specified by name. If the attribute doesn’t exist, use the Fallback value instead

Outputs

Description	Socket
The named attribute read from the geometry if it exists, or the fallback value if it doesn’t	Value

Inputs

Socket	Default	Description
Name	“”	Name of the attribute to attempt to read from the geometry
Fallback	0.0	Value to use instead if the named attribute doesn’t exist on the geometry

Fallback Vector

Use the Vector attribute specified by name. If the attribute doesn’t exist, use the Fallback value instead

Outputs

Description	Socket
The named attribute read from the geometry if it exists, or the fallback value if it doesn’t	Output

Inputs

Socket	Default	Description
Name	“”	Name of the attribute to attempt to read from the geometry
Fallback	[0.0, 0.0, 0.0]	Value to use instead if the named attribute doesn’t exist on the geometry

Fallback Integer

Use the Integer attribute specified by name. If the attribute doesn’t exist, use the Fallback value instead

Outputs

Description	Socket
The named attribute read from the geometry if it exists, or the fallback value if it doesn’t	Integer

Inputs

Socket	Default	Description
Name	“”	Name of the attribute to attempt to read from the geometry
Fallback	0	Value to use instead if the named attribute doesn’t exist on the geometry

Fallback Boolean

Computes the boolean field if the given attribute doesn’t exist. If it doesn’t exist it just uses the attribute instead

Use the Boolean attribute specified by name. If the attribute doesn’t exist, use the Fallback value instead

Outputs

Description	Socket
The named attribute read from the geometry if it exists, or the fallback value if it doesn’t	Boolean

Inputs

Socket	Default	Description
Name	“”	Name of the attribute to attempt to read from the geometry
Fallback	False	Value to use instead if the named attribute doesn’t exist on the geometry

Fallback Color

Use the Color attribute specified by name. If the attribute doesn’t exist, use the Fallback value instead

Outputs

Description	Socket
The named attribute read from the geometry if it exists, or the fallback value if it doesn’t	Color

Inputs

Socket	Default	Description
Name	Color	Name of the attribute to attempt to read from the geometry
Fallback	[0.072, 0.295, 0.236, 1.0]	Value to use instead if the named attribute doesn’t exist on the geometry

Fallback Rotation

Use the Rotation attribute specified by name. If the attribute doesn’t exist, use the Fallback value instead

Outputs

Description	Socket
The named attribute read from the geometry if it exists, or the fallback value if it doesn’t	Rotation

Inputs

Socket	Default	Description
Name	“”	Name of the attribute to attempt to read from the geometry
Fallback	<Euler (x=0.0000, y=0.0000, z=0.0000), order=‘XYZ’>	Value to use instead if the named attribute doesn’t exist on the geometry

Fallback Matrix

Use the Matrix attribute specified by name. If the attribute doesn’t exist, use the Fallback value instead

Outputs

Description	Socket
The named attribute read from the geometry if it exists, or the fallback value if it doesn’t	Matrix

Inputs

Socket	Default	Description
Name	“”	Name of the attribute to attempt to read from the geometry
Fallback	None	Value to use instead if the named attribute doesn’t exist on the geometry

Group Pick

Get the item of the True in each Group ID, but only if there is a single True in each group

For each group, return the index of the point for which the Selection is true. Only valid if there is a single true in the group. If not lvalid, returns -1

Outputs

Description	Socket
Valid for the point only if there is 1 single True for the Pick field in the point’s group in the Group ID	Is Valid
Index of picked item. Returns -1 if not a valid pick	Index

Inputs

Socket	Default	Description
Pick	False	Selection for the point to pick for the Group ID. Will only be valid for a single Pick for each Group ID
Group ID	0	Field definining the Group ID to pick from for the points

Group Pick First

Get the Index of the first True item for each Group ID

Similar to Group Pick, but will always return Index of first true element, even if there are multiple true values. If nothing is true then will return -1

Outputs

Description	Socket
Valid if as least 1 True for the Group ID	Is Valid
Index of first picked item, returns -1 if nothing picked	Index

Inputs

Socket	Default	Description
Pick	False	Index of the first True item in this field will be returned
Group ID	0	The first True item for each Group ID will be returned

Group Pick Vector

For each group, return the Position of the point at which the selection is true. If there is more than one true for the group the pick is not valid and (0, 0, 0) is returned

Outputs

Description	Socket
Whether the pick for the point’s Group ID is valid	Is Valid
Picked Index for the Group, -1 if not valid	Index
Picked vector for the group, (0, 0, 0) if not valid	Vector

Inputs

Socket	Default	Description
Pick	False	Selection for the point to pick for the Group ID. Will only be valid for a single Pick for each Group ID
Group ID	0	Field definining the Group ID to pick from for the points
Position	Position	Vector field to pick vlaue for, defaults to Position

Relative Index

Get information about the points in a Group ID such as size and the start and end Indices

Based on the Group ID input, return the size of the group and the indices of the first and last items of the group

Outputs

Description	Socket
The relative index of each point within each Group ID, starting from 0	Relative Index
The number of points in each Group ID	Group Size
The Index of the first point in each Group ID	First Index
The Index of the last point in each Group ID	Last Index

Inputs

Socket	Default	Description
Group ID	0	Define the groups to get information about

Attribute Run

Group mask increments whenever the attribute or the Group ID changes

Fill in gaps in a set of continuous boolean True values, up to a specific size

Outputs

Description	Socket
The current point’s Named Attribute value is different from the previous	Is Different
The new Group ID, increasing whenever the attribute or the Group ID values change	Group ID

Inputs

Socket	Default	Description
Name	“”	The Named Attribute to read from the geometry before applying the Integer Run node
Group ID	0	The Group ID to use for the Integer Run node

Boolean First

Only the first True in each Group ID remains True, all others become False

For each Group ID, every value becomes False except the first True value

Outputs

Description	Socket
True for the first true element in each Group ID	Is First

Inputs

Socket	Default	Description
Boolean	False	The Boolean field to test
Group ID	0	Each Group ID to find the first True element for

Integer Run

A unique value for each grouping of a value. Accumulating along the field, the output Group Mask increments by 1 whenever the value or Group ID changes

Group mask output increments whenever the input value or the Group ID changes

Outputs

Description	Socket
The current value is different from the previous	Is Different
The new Group ID, which increases by 1 whenever the Value or Group ID values change	Group ID

Inputs

Socket	Default	Description
Value	0	The field to check for changes in value
Group ID	0	Does not restart counting for each Group ID, but does increment by 1 when the Group ID changes

Boolean Run Fill

Moving down the points, fill in False values that are equal to or less than the Fill Size

Fill in gaps in a set of continuous boolean True values, up to a specific size

Outputs

Description	Socket
The Boolean array with gaps potentially filled	Boolean

Inputs

Socket	Default	Description
Boolean	True	The Boolean field to potentially fill gaps of False with
Fill Size	3	A run of False values equal to or less than this size will become True

Boolean Run Trim

Mask a run of boolean values. Potentially trim the start or ending values and specifying a minimum length under which they are considered false

Outputs

Description	Socket
The Boolean field that has been trimmed	Boolean

Inputs

Socket	Default	Description
Boolean	True	The Boolean field to check for continuous runs of True values
Start	0	The first n values of a run of True values are made to be False
End	0	Ther last n values of a run of True values become False
Size	10	A run of True values becomes False if shorter than this minimum length