Nip-activity - Catia May 2026

Mastering NIP-Activity in CATIA: The Ultimate Guide to Non-Interactive Process Automation

Case Study 1: Batch Detailing (Drafting)

An automotive supplier receives 500 part models per week. Each needs a standard 2D drawing (views, dimensions, annotation). Interactive creation would take 20 minutes per part (166 hours). Using a NIP-Activity script, the server opens each part, applies a pre-defined drawing template, generates front/top/isometric views, applies automatic dimensions via knowledge parameters, and prints to PDF—all without human intervention.

Governance & lifecycle

  • Define policy for when NIP outputs can be promoted to formal change: criteria, stakeholders, and approval workflow.
  • Maintain archival policy for NIP artifacts according to compliance or audit requirements.
  • Periodically review NIP templates and rules for currency with manufacturing practices and machine capabilities.

Real-World Use Cases for NIP-Activity

Why would a design engineer or PLM manager invest time in NIP-Activity? Here are three compelling scenarios. NIP-Activity - Catia

Maintenance & upgrades

  • Before upgrading CATIA or connected solvers, run regression tests for NIP templates and automation.
  • Archive a stable snapshot of NIP templates and Knowledgeware rules pre-upgrade.
  • Validate post-upgrade that API calls, file formats, and export adapters behave as expected.

Traceability, versioning, and approvals

  • Record: NIP-Activity ID, source model revision, parameters used, operator, timestamps, tool versions, and result checksums.
  • Store traceability in PLM metadata and link deliverables to the originating NIP-Activity.
  • Use PLM workflows for reviews and approvals; clearly mark deliverables as “Draft NIP” vs “Approved for Production”.
  • If an approved NIP output requires design change, route a formal ECO/ECN referencing the NIP findings.

Don’ts

  • Do Not Mix UI Commands: Avoid SendKeys or Window.ActiveView. These break NIP mode.
  • Do Not Ignore Update Errors: Just because CATIA didn't crash doesn't mean the geometry is valid. Add a "Check Connectivity" step.
  • Do Not Run on High-Resolution Assemblies: NIP-Activity still loads the full geometric kernel. For large assemblies (10,000+ parts), use cgr (visualization mode) or lightweight representations.