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      3. Node library
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            78. Messy fibers 1
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            81. Microscope view
            82. Moisture noise
            83. Perlin noise
            84. Plasma
            85. Caustics
            86. Voronoi
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            90. White noise fast
          3. Patterns
            1. Patterns
            2. 3D linear gradient
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            4. Alveolus
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            6. Brick 1
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            9. Checker 1
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            14. Gaussian 1
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            16. Gradient axial
            17. Gradient axial reflected
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            19. Gradient linear 1
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            22. Gradient radial
            23. Height extrude
            24. Mesh 1
            25. Mesh 2
            26. Panorama shape
            27. Polygon 1
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            29. Scratches generator
            30. Shape
            31. Shape extrude
            32. Shape mapper
            33. Shape splatter
            34. Shape splatter blend
            35. Shape splatter data extract
            36. Shape splatter to mask
            37. Splatter
            38. Splatter circular
            39. Star
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            41. Stripes
            42. Tile generator
            43. Tile random
            44. Tile random 2
            45. Tile sampler
            46. Triangle grid
            47. Weave 1
            48. Weave 2
            49. Weave generator
        3. Filters
          1. Filters
          2. Adjustments
            1. Adjustments
            2. Apply color palette
            3. Auto levels
            4. Channel mixer
            5. Chrominance extract
            6. Clamp
            7. Color match
            8. Color to mask
            9. Contrast/Luminosity
            10. Convert to linear
            11. Convert to sRGB
            12. Create color palette (16)
            13. Grayscale conversion advanced
            14. Hald CLUT
            15. HDR range viewer
            16. Height map frequencies mapper
            17. Highpass
            18. Histogram compute
            19. Histogram equalize
            20. Histogram range
            21. Histogram render
            22. Histogram scan
            23. Non-uniform histogram scan
            24. Histogram select
            25. Histogram shift
            26. ID to mask grayscale
            27. Invert
            28. Lighting cancel high frequencies
            29. Lighting cancel low frequencies
            30. Luminance highpass
            31. Min max
            32. Modify color palette
            33. Pow
            34. Quantize color (Simple)
            35. Quantize color
            36. Quantize grayscale
            37. Replace color
            38. Replace color range
            39. Threshold
            40. View color palette
          3. Blending
            1. Blending
            2. Color (Blend node)
            3. Color burn
            4. Color dodge
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            9. Multi switch
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          4. Blurs
            1. Blurs
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          5. Channels
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          6. Effects
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            35. Multi directional warp
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          7. Normal map
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          8. Tiling
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          9. Transforms
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            3. Auto crop
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            5. Clone (Filter node)
            6. Mirror (Filter node)
            7. Noise upscale 1
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        4. Material filters
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            1. Transforms (Material)
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        5. Mesh-based generators
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          2. Mask generators
            1. Mask generators
            2. Bottom to top
            3. Cloth wear
            4. Dirt
            5. Dripping rust
            6. Dust
            7. Edge blur
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            14. Fiber glass edge wear
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            18. Leather wear
            19. Light
            20. Mask builder
            21. Metal edge eear
            22. Paint wear
            23. Selective dirt
            24. Sun bleach
            25. Surface brush
          3. Weathering
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            2. Cracks weathering
            3. Fabric weathering
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            6. Moss weathering
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            8. Rust weathering
          4. Utilities (Mesh-based generators)
            1. Utilities (Mesh-based generators)
            2. 3D planar projection
            3. Material mesh data blender
            4. Material selector
            5. Mesh data combiner
            6. Triplanar
        6. Spline & Path tools
          1. Spline & Path tools
          2. Working with Path & Spline tools
          3. Path tools
            1. Path tools
            2. Paths format specifications
            3. Paths 2D transform
            4. Mask to Ppths
            5. Paths to spline
            6. Paths polygon
            7. Preview paths
            8. Paths warp
            9. Quad transform on path
            10. Paths select
            11. Paths vertex processor
            12. Paths vertex processor simple
          4. Spline tools
            1. Spline tools
            2. Paths to Spline
            3. Point list
            4. Scatter on Spline color
            5. Scatter on Spline grayscale
            6. Spline 2D transform
            7. Spline (Cubic)
            8. Spline (Poly quadratic)
            9. Spline append
            10. Spline bridge (2 Splines)
            11. Spline bridge (List)
            12. Spline bridge mapper color
            13. Spline bridge mapper grayscale
            14. Spline circle
            15. Spline fill
            16. Spline flow mapper
            17. Spline mapper color
            18. Spline mapper grayscale
            19. Spline merge list
            20. Spline render
            21. Spline sample height
            22. Spline sample thickness
            23. Spline select
            24. Spline warp
            25. UV mapper color
            26. UV mapper grayscale
        7. 3D view (Library)
          1. 3D view (Library)
          2. HDRI tools
            1. HDRI tools
            2. Blackbody
            3. Color temperature adjustment
            4. Exposure
            5. Exposure preview
            6. HDR merge
            7. Nadir extract
            8. Nadir patch
            9. Panorama 3D position
            10. Panorama rotation
            11. Gradient 2 points
            12. Gradient linear (HDRI)
            13. Line light
            14. Physical sun/sky
            15. Plane light
            16. Shape light
            17. Sphere light
            18. Straighten horizon
  8. Substance function graphs
    1. Substance function graphs
    2. What is a Substance function graph?
    3. Create and edit a Substance function graph
    4. The Substance function graph
    5. Variables
      1. Variables
      2. Built-in variables
      3. Get a variable value
      4. Create a variable
    6. FX-maps
      1. FX-Maps
      2. How it works
      3. The Iterate node
      4. The Quadrant node
      5. Using Substance function graphs in FX-Maps
        1. Using Substance function graphs
          in FX-Maps
        2. Iterate and $number variable
        3. Using the Sampler nodes
        4. Using the Set/Sequence nodes
    7. Warnings in Substance function graphs
    8. Sample Substance function graphs
    9. Nodes reference for Substance function graphs
      1. Nodes reference for Substance function graphs
      2. Function nodes overview
      3. Constant nodes
      4. Vector and Swizzle nodes
      5. Get nodes
      6. Sampler nodes
      7. Cast nodes
      8. Operator nodes
      9. Logical nodes
      10. Comparison nodes
      11. Function nodes
      12. Control nodes
  9. MDL graphs
    1. MDL graphs
    2. Main MDL graph concepts
    3. Creating an MDL graph
    4. MDL library
    5. Exposing parameters in MDL graphs
    6. Substance graphs and MDL materials
    7. Exporting MDL content
    8. Warnings in MDL graphs
    9. MDL learning resources
  10. Bakers
    1. Bakers
    2. Bakers legacy interface
  11. Best practices
    1. Best practices
    2. Filesize reduction guidelines
    3. Graph creation etiquette
    4. Performance optimization guidelines
  12. Pipeline and project configuration
    1. Pipeline and project configuration
    2. Project configuration files - SBSPRJ
    3. Configuration list - SBSCFG
    4. User preferences - Automating setup
    5. Retrieving the installation path
    6. Environment variables
  13. Color management
    1. Color management
    2. Spot colors (Pantone)
  14. Package metadata
  15. Scripting
    1. Scripting
    2. Plugin basics
    3. Plugin search paths
    4. Plugins packages
    5. Plugin manager
    6. Python editor
    7. Accessing graphs and selections
    8. Nodes and properties
    9. Undo and redo
    10. Application callbacks
    11. Creating user interface elements
    12. Adding actions to the Explorer toolbar
    13. Using color management
    14. Using spot colors
    15. Logging
    16. Using threads
    17. Debugging plugins using Visual Studio Code
    18. Porting previous plugins
    19. Packaging plugins
    20. Scripting API reference
  16. Technical issues
    1. Technical issues
    2. Warnings and errors
    3. Cannot create/load a project
    4. Application does not start
    5. Crash when rendering graphs
    6. Parameters not working as expected
    7. Incorrect image output
    8. 3D View issues
    9. User interface issues
    10. Python issues
    11. Substance model graph feature is missing
  17. Release notes
    1. Release notes
    2. All changes
    3. Version 14.0
    4. Version 13.1
    5. Version 13.0
    6. Version 12.4
    7. Version 12.3
    8. Version 12.2
    9. Version 12.1
    10. Version 11.3
    11. Version 11.2
    12. Version 2021.1 (11.1)
    13. Old versions
      1. Old versions
      2. Version 2020.2 (10.2)
      3. Version 2020.1 (10.1)
      4. Version 2019.3 (9.3)
      5. Version 2019.2 (9.2)
      6. Version 2019.1 (9.1)
Node icon

In: Spline & Path Tools > Spline Tools

Description

Splines are packaged as a list. This node appends a list of input splines (set #2) onto an existing list (set #1).

The order of the lists is preserved, meaning appending a list D-E-F onto a list A-B-C results in a list A-B-C-D-E-F.

Tip:

Be mindful of the order in which you append splines, as this order is taken into account in other nodes, such as Scatter on Splines, the Spline Bridge nodes, etc.

Input connectors

Preview #1 Grayscale
The preview of the first set of input splines as a grayscale image.

Spline #1 Coords Color
The coordinates of the first set of input splines’ points encoded in the RGBA channels of a color image.
    R - X position
    G - Y position
    B - Height
    A - Packed data:
        - Sign: Spline is closed (negative) or open (positive);
        - Absolute value: Thickness + 1.

Spline #1 Data Color
Additional data of the first set of input splines encoded in the RGBA channels of a color image.
    R - Tangents X
    G - Tangents Y
    B - Unused
    A - Unused

Spline #1 Amount Integer
The number of input splines in the first set.

Preview #2 Grayscale
The preview of the second set of input splines as a grayscale image.

Spline #2 Coords Color
The coordinates of the second set of input splines’ points encoded in the RGBA channels of a color image.
    R - X position
    G - Y position
    B - Height
    A - Packed data:
        - Sign: Spline is closed (negative) or open (positive);
        - Absolute value: Thickness + 1.

Spline #2 Data Color
Additional data of the second set of input splines encoded in the RGBA channels of a color image.
    R - Tangents X
    G - Tangents Y
    B - Unused
    A - Unused

Spline #2 Amount Integer
The number of input splines in the second set.

Output connectors

Preview Grayscale
The preview of the output splines as a grayscale image.

Spline Coords Color
The coordinates of the output splines’ points encoded in the RGBA channels of a color image.
    R - X position
    G - Y position
    B - Height
    A - Packed data:
        - Sign: Spline is closed (negative) or open (positive);
        - Absolute value: Thickness + 1.

Spline Data Color
Additional data of the output splines encoded in the RGBA channels of a color image.
    R - Tangents X
    G - Tangents Y
    B - Unused
    A - Unused

Spline Amount Integer
The number of output splines.

Parameters

Flip Spline #1 Direction Boolean
Inverts the direction of the splines in the first set.

Flip Spline #2 Direction Boolean
Inverts the direction of the splines in the second set.

Segments Amount Integer
Adjusts the number of segments used to draw the spline visualization in the Preview output.
A higher value results in a smoother line.

Show Direction Helper Boolean
Displays a dot at the start of the spline and an arrowhead at its end in the Preview output.

Show Thickness Envelope Boolean
Displays additional lines at the edges of the spline’s thickness.

Thickness (px) Float
Adjusts the thickness of the spline visualization in pixels in the Preview output.

Examples

Node example 1

Node example 2

Node demo

 Adobe

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