iTwin/bis-schemas
Feb 2025 – Oct 2025
4 Months active
Languages Used
C#JSONYAML
Technical Skills
API DesignData ModelingDependency ManagementObject-Oriented ProgrammingSchema DefinitionSchema Versioning
Sandy Bugai
PROFILE
Sandy Bugai
Worked on the iTwin/bis-schemas repository over four months, delivering schema enhancements and bug fixes to improve data modeling and contract integrity. Developed advanced linear relationships modeling by introducing ElementDrivesElement subclasses and released a new Linear referenced schema using C# and JSON. Improved cross-component data consistency by aligning GravityStructure and Outfall design fields, supporting shared design constraints. Addressed schema definition issues by correcting property names and fixing element relationships, ensuring reliable data handling and reducing downstream maintenance risk. Focused on schema versioning, dependency management, and release governance, contributing to stable, traceable releases that support robust backend development and data modeling workflows.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
8Total
Bugs
2
Commits
8
Features
4
Lines of code
10,305
Activity Months4
Your Network
44 peopleShared Repositories
5
Work History
October 2025
3 Commits • 1 Features
Oct 1, 2025October 2025: Focused on correcting schema relationships and delivering a clean release of SewerHydraulicAnalysis 1.0.3. The work enhances data integrity, supports reliable hydraulic analyses, and strengthens release governance for downstream consumers.
3 Commits • 1 Features
Oct 1, 2025October 2025: Focused on correcting schema relationships and delivering a clean release of SewerHydraulicAnalysis 1.0.3. The work enhances data integrity, supports reliable hydraulic analyses, and strengthens release governance for downstream consumers.
October 2025
August 2025
1 Commits • 1 Features
Aug 1, 20252025-08 Monthly Summary: Delivered cross-component design-constraint alignment in iTwin/bis-schemas by adding GravityStructure design fields to Outfall to support NodeDesignConstraintsAspect. This enables synchronized data structures and a shared design-constraints model, improving data consistency and reducing downstream rework. Major bugs fixed: none reported this month. Technologies/skills demonstrated include schema evolution, cross-component data modeling, and Git-based traceability (commit 0e48e9e00f74b79dc108d4fcb7527e3f5b5c7cc5).
August 2025
1 Commits • 1 Features
Aug 1, 20252025-08 Monthly Summary: Delivered cross-component design-constraint alignment in iTwin/bis-schemas by adding GravityStructure design fields to Outfall to support NodeDesignConstraintsAspect. This enables synchronized data structures and a shared design-constraints model, improving data consistency and reducing downstream rework. Major bugs fixed: none reported this month. Technologies/skills demonstrated include schema evolution, cross-component data modeling, and Git-based traceability (commit 0e48e9e00f74b79dc108d4fcb7527e3f5b5c7cc5).
July 2025
1 Commits
Jul 1, 2025July 2025 monthly summary: Focused on maintaining data contract integrity in BIS schemas. Key fix: NumberOfBarrels schema property name corrected from displayLabel to label to ensure accurate data handling and prevent data retrieval/display issues. Commit 2eb2443fe419691669b90dc7cbeb7cee11c7399f (#541).
1 Commits
Jul 1, 2025July 2025 monthly summary: Focused on maintaining data contract integrity in BIS schemas. Key fix: NumberOfBarrels schema property name corrected from displayLabel to label to ensure accurate data handling and prevent data retrieval/display issues. Commit 2eb2443fe419691669b90dc7cbeb7cee11c7399f (#541).
July 2025
February 2025
3 Commits • 2 Features
Feb 1, 2025February 2025 monthly summary for iTwin/bis-schemas: Implemented ElementDrivesElement subclass enhancements to enable precise linear relationships modeling and released the Linear referenced schema. Stabilized dependencies by reverting to released versions of NetworkTopology and StormSewerPhysical to restore stability and reduce maintenance risk for downstream consumers.
February 2025
3 Commits • 2 Features
Feb 1, 2025February 2025 monthly summary for iTwin/bis-schemas: Implemented ElementDrivesElement subclass enhancements to enable precise linear relationships modeling and released the Linear referenced schema. Stabilized dependencies by reverting to released versions of NetworkTopology and StormSewerPhysical to restore stability and reduce maintenance risk for downstream consumers.
Activity
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Quality Metrics
Correctness87.4%
Maintainability87.4%
Architecture87.4%
Performance77.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
C#JSONYAML
Technical Skills
API DesignBackend DevelopmentData ModelingDependency ManagementObject-Oriented ProgrammingSchema DefinitionSchema DesignSchema DevelopmentSchema Versioning
Repositories Contributed To
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