Release Notes

Version 1.1.0

December 23, 2025

NEW OPERATORS

Advect

  • • New modifier for moving instances along vector fields.
  • • Supports reading advection vectors from point attributes or reference geometry.
  • • Includes Rotate To parameter for automatic orientation alignment during advection.

Measure

  • • New tool for computing geometric properties on geometry.
  • • Supports Density, Surface Variation, Mean Curvature, Curvedness, and Gradient measurements.
  • • Includes visualization preview with customizable color ramps.

NEW FEATURES

Path Tracer

  • • Added Pivot parameter to lights for transformation control.

Voxelize

  • • Added Point Scale parameter for point cloud voxelization.

Soft Body

  • • Added Strength parameter for grabber force control.
  • • Removed Local Force and External Force parameters — forces can now be injected by chaining POPs (like Force Radial POP) from the Target Geometry Update output and referencing the end of the chain in the Target Geometry Update POP parameter.

Mesh Fill

  • • Added Ray Direction Mode and Ray Direction parameters for voxelization control.
  • • Added new Lookup page for sampling textures onto input geometry.
  • • Added Mesh output (Output 7) for Lookup sampling.

SPH

  • • Added Container Type menu with support for SDF and T3D input modes.
  • • Added Container SDF / T3D, Lower Bounds, and Upper Bounds parameters for 3D texture container collision.

Noise Modifier

  • • Added Output Noise Attribute and Noise Attribute Name parameters for outputting noise values as point attributes.
  • • Added Rotation Mode menu with Additive and Directional options.

Magnetize

  • • Added Solver Mode menu with Simple and Advect options.
  • • Added Initial POP parameter for Simple solver mode.
  • • Added Spin Direction XYZ vector parameter (replaced toggle).
  • • Added Containment parameter for field bounds control.
  • • Added Output Force Attribute toggle to output magnetic force vectors.

Orient Curve

  • • Added Twist by Attribute toggle for attribute-based twist control.
  • • Added Twist Attribute parameter for selecting the twist attribute.

Sweep

  • • Added Twist by Attribute and Twist Attribute parameters for attribute-based twist control.
  • • Added Scale by Attribute and Scale Attribute parameters for attribute-based scale control.
  • • Width parameter can now be overridden by a LineWidth point attribute.

Move Along Curve

  • • Added Twist by Attribute toggle for attribute-based twist control.
  • • Added Twist Attribute parameter for selecting the twist attribute.

BUG FIXES

Convert

  • • Fixed pieces detection bug.

Version 1.0.2

December 9, 2025

BUG FIXES

Soft Body

  • • Fixed bugs in visualization functionality.
  • • Enable Local Force now also toggles on/off the wind.
  • • Fixed a bug with pin to target constraints.
  • • Fixed bugs in pressure constraints.

Randomize

  • • Fixed falloff not working on Color and Other parameters.

Version 1.0.1

December 2, 2025

DOCUMENTATION

  • • Created comprehensive parameter help descriptions for all POPX operators.

NEW FEATURES

General

  • • Added keyboard shortcuts for Bypass (Ctrl+Shift+B) and Render Primitives (Ctrl+Shift+R) parameters for all operators.
  • • Bypassed operators now display with a darker color to indicate their bypassed state.
  • • Added keyboard shortcut for Falloff Preview (Ctrl+Shift+F) to quickly toggle falloff visualization.

Magnetize

  • • Added Affect Position toggle with Move Weight parameter to control position movement based on magnetic forces.
  • • Implemented inverse distance weighting and added Exponent parameter for advanced force falloff control.
  • • Added Output Weight Attribute toggle to output magnetic influence strength per instance.

Flow

  • • Added Injection POP parameter for referencing external POP sources.
  • • Reorganized Inputs page with new injection parameters: Inject Position, Inject Scale, Inject Gain, Inject Strength, Inject Temperature, and Inject Color.

Soft Body

  • • Added Enable Local Force toggle to apply local force to the soft body.
  • • Added Collision Thickness parameter for more precise collision detection with external geometry.
  • • Added Transition Range, Transition Align, and Transition Type parameters for grabber falloff control.
  • • Removed Max Constraints per Point parameter (now handled by Constraints Config).

Constraints Config

  • • Added new Constraints Config operator to configure constraints on the simulated geometry outside of the Soft Body solver, requiring a reference to the Soft Body operator.

DLA

  • • Added Target Seed Update POP parameter for feedback loop seed point re-injection.
  • • Added Internal Noise toggle for randomized particle diffusion.
  • • Added Seed Out output to enable feeding results back to the simulation.
  • • Added Attach Strength parameter to control attachment force strength.
  • • Added Noise Amplitude parameter for controlling internal noise strength.
  • • Added Resolution Multiplier parameter for final polygonization.
  • • Added Unique Points parameter to generate unique vertices per triangle.
  • • Added Normals Method menu for computing point normals.
  • • Added Step Multiplier parameter for gradient step size when computing normals.
  • • Added Fraction of Max Allocation parameter for mesh generation memory allocation.
  • • Removed Time Step parameter.
  • • Removed Shared Points and Alt parameters, replaced by Unique Points.

Visualize Frame

  • • Added Bypass toggle for the Visualize Frame operator.

Path Tracer

  • • Added Ray Offset parameter to control ray origin offset distance for preventing self-intersection artifacts.

Material

  • • Added Group parameter to apply material only to specified groups.

Version 1.0.0 (Alpha)

November 22, 2025

INITIAL ALPHA RELEASE

  • • First alpha release of POPX - TouchDesigner POPs extension.