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Nurbs News

The latest Nurbs coverage curated for game developers.

Erratum: A Precision Controlled Surface-Surface Intersection Algorithm for NURBS

ACM Graphics has published an erratum for a precision-controlled surface-surface intersection algorithm for NURBS, a niche but important topic for high-end geometry work. For teams building CAD-like tools, procedural modeling, …

Research ACM Graphics · 1 month ago
Erratum: A Robust and Efficient Intersection Algorithm for NURBS Surfaces: Handling Small Loops and Tangent Intersections

A correction has been issued for a 2026 ACM Transactions on Graphics paper on NURBS surface intersection, specifically the version covering small loops and tangent intersections. For graphics teams working …

Research ACM Graphics · 1 month ago
A Texture Lookup Approach to Bézier Curve Evaluation on the GPU

GPU curve evaluation just got a hardware-assisted twist: a texture-lookup method uses fixed-function linear interpolation to evaluate Bézier curves faster in compute-bound workloads. The same idea extends to Bézier surfaces, …

Research Journal of Computer Graphics Techniques · 1 month, 4 weeks ago
NURBS Splatting: A Unified Differentiable Rendering Framework for Vector Graphics

For graphics programmers and technical artists, this paper tackles a real pain point: differentiable rendering for NURBS and other rational splines. Instead of leaning on analytic rasterization for Bézier-only pipelines, …

Research arXiv cs.GR · 2 months, 3 weeks ago
A Precision Controlled Surface-Surface Intersection Algorithm for NURBS

A new ACM TOG paper tackles one of the nastier CAD-to-runtime problems: robust NURBS surface-surface intersection. The focus is precision control, which matters when tiny numerical errors can wreck trimming, …

Research ACM Graphics · 2 months, 4 weeks ago
A Robust and Efficient Intersection Algorithm for NURBS Surfaces: Handling Small Loops and Tangent Intersections

For graphics programmers, the interesting bit is a new NURBS surface intersection method that specifically tackles the cases that usually break production code: tiny loops and tangent contacts. It’s aimed …

Research ACM Graphics · 2 months, 4 weeks ago
Spatially Accelerated Winding Numbers for Curved Geometry

Curved CAD-style geometry is finally getting a faster containment test: this paper extends generalized winding numbers to NURBS curves and trimmed NURBS patches without falling back to triangle-only approximations. The …

Research arXiv cs.GR · 4 months ago
Explicit Inversion of Planar NURBS Curves

The recent paper on planar NURBS curves introduces a method for explicitly inverting these curves using rational splines. This breakthrough is particularly relevant for graphics programmers and designers, as it …

Research arXiv cs.GR · 4 months, 2 weeks ago
Robust Containment Queries over Collections of Trimmed NURBS Surfaces via Generalized Winding Numbers

The introduction of generalized winding numbers for trimmed NURBS surfaces marks a significant advancement for graphics programmers. This method enhances the accuracy and efficiency of containment queries, which are crucial …

Research ACM Graphics · 5 months ago
Robust Containment Queries over Collections of Trimmed NURBS Surfaces via Generalized Winding Numbers

A new containment query method enhances the handling of trimmed NURBS surfaces, crucial for CAD models in game development. By utilizing generalized winding numbers, this approach improves accuracy and efficiency, …

Research arXiv cs.GR · 6 months, 4 weeks ago