You don’t need to migrate historical data - implement a forward-looking solution that handles new branches correctly while maintaining backward compatibility. Here’s a comprehensive approach addressing all four focus areas:
1. Distributed Revision Numbering Schemes (Architecture):
Implement a hybrid numbering system that distinguishes branch revisions from main-line revisions:
Main-line revisions: Continue using standard alphabetic scheme (A, B, C, D…)
Branch revisions: Use branch-prefixed scheme (BR1-A, BR1-B, BR2-A, BR2-B…)
Configure this in number generation rules:
// Pseudocode - Branch-aware revision numbering:
1. Check if part context is branch or main-line
2. If branch: Generate revision with branch prefix (BR{branchId}-{letter})
3. If main: Generate standard revision (letter only)
4. Store branch origin metadata in revision attributes
5. Maintain cross-reference to parent branch revision
// See Windchill PDMLink Admin Guide Section 8.3
This approach keeps branch revisions distinct while maintaining familiar numbering for main-line development.
2. Branch-Aware Merge Strategies (Core Process):
Implement intelligent merge logic that handles revision conflicts:
Scenario 1 - Clean Merge (no conflicts):
Branch revisions map directly to next available main-line revision:
- Branch BR2-A, BR2-B, BR2-C merge to main-line as new revisions D, E, F
- Branch lineage preserved in revision predecessor relationships
Scenario 2 - Conflicting Revisions:
When branch revision letter conflicts with existing main-line revision:
- Create new main-line revision with next available letter
- Example: Branch BR2-C conflicts with existing main-C → becomes main-D
- Add merge metadata linking main-D back to BR2-C origin
- Preserve both main-C and main-D as parallel lineage branches
Scenario 3 - Selective Merge:
Merge only specific branch revisions, not entire branch history:
- Cherry-pick desired branch revision (e.g., BR2-E)
- Create new main-line revision incorporating changes
- Maintain reference to source branch revision in merge attributes
Implement merge validation workflow:
- Analyze source branch and target main-line for conflicts
- Generate conflict resolution plan with proposed revision mapping
- Present plan to configuration manager for approval
- Execute merge with automatic revision renumbering
- Update all dependent objects (CAD assemblies, BOMs, documents)
3. Version Control Integration (CAD Synchronization):
The Creo workspace synchronization is critical. Implement post-merge workspace update process:
Step 1 - Pre-Merge Workspace Snapshot:
Before merge, capture all Creo workspace configurations referencing branch revisions
Step 2 - Revision Mapping Table:
During merge, create mapping table: BR2-A → main-D, BR2-B → main-E, BR2-C → main-F
Step 3 - Workspace Update:
After successful merge, update Creo workspaces:
// Workspace configuration update script
creo_workspace.updateReferences(
oldRevision: "BR2-C",
newRevision: "main-F",
cascadeToAssemblies: true
)
Step 4 - Verification:
Validate that all workspace references now point to post-merge main-line revisions. Run consistency check to ensure no orphaned branch references remain.
Critical: Notify all designers with active workspaces that reference merged branch revisions. They must refresh workspaces to pick up new revision references.
4. Lineage Tracking and Governance (Audit Trail):
Preserve complete development history through merge operations:
Lineage Metadata Schema:
For each merged revision, store:
- sourceBranch: Original branch identifier (BR2)
- sourceRevision: Original branch revision (BR2-C)
- mergeDate: Timestamp of merge operation
- mergeOperator: User who performed merge
- conflictResolution: How revision conflicts were resolved
- predecessorRevisions: All parent revisions from both branches
Governance Reports:
Implement traceability reports that show:
- Complete revision history across all branches
- Merge points and branch integration timeline
- Impact analysis: Which main-line revisions originated from which branches
- Conflict resolution decisions and justifications
This satisfies audit requirements by maintaining full design lineage even through complex merge operations.
Implementation Roadmap:
Phase 1 (Weeks 1-2): Configure branch-aware revision numbering for new branches
Phase 2 (Weeks 3-4): Develop merge workflow with conflict detection and resolution
Phase 3 (Weeks 5-6): Implement Creo workspace synchronization logic
Phase 4 (Weeks 7-8): Deploy lineage tracking reports and governance dashboards
Phase 5 (Weeks 9-10): Pilot with one product line, refine based on feedback
Phase 6 (Weeks 11-12): Roll out enterprise-wide with user training
Backward Compatibility:
Existing parts with simple alphabetic revisions continue working unchanged. The new branch-aware numbering only applies to new branches created after implementation. This avoids the need to migrate historical data while solving the problem going forward.
The combination of branch-prefixed numbering, intelligent merge strategies, CAD workspace synchronization, and comprehensive lineage tracking provides a robust solution that scales to complex parallel development scenarios while maintaining data integrity and audit compliance.
This draft is based on general Windchill knowledge. It has not been verified against your specific version and environment. Practitioners: verify the steps and share your experience below.