Stellarium/stellarium
Nov 2024 – Oct 2025
11 Months active
Languages Used
C++JavaScriptLaTeXTeXUIXMLCMakeJSON
Technical Skills
C++C++ DevelopmentConfiguration ManagementDocumentationFull Stack DevelopmentGUI Development
Georg Zotti
PROFILE
Georg Zotti
Georg Zotti contributed to the Stellarium/stellarium repository by engineering advanced features for cultural astronomy visualization, multilingual data integration, and user interface reliability. He developed systems for dynamic constellation rendering, hull-based selection, and real-time persistence of user settings, leveraging C++ and the Qt framework. His work included expanding localization infrastructure, refining astronomical data structures, and implementing robust search and labeling mechanisms for sky cultures. Through careful code refactoring, documentation, and internationalization, Georg improved maintainability and scientific accuracy. The depth of his engineering is evident in the seamless integration of cultural data, enhanced UI clarity, and reliable cross-platform performance throughout the codebase.
Overall Statistics
Feature vs Bugs
63%Features
Repository Contributions
329Total
Bugs
69
Commits
329
Features
117
Lines of code
102,696
Activity Months11
Your Network
29 people
Work History
October 2025
13 Commits • 5 Features
Oct 1, 2025Monthly summary for 2025-10: Delivered a balanced set of features, data enhancements, and quality fixes across Stellarium/stellarium, with strong emphasis on cultural data accuracy, searchability, and UI clarity. The work improves scientific and educational value by enabling alternative astronomical conventions, expanding cultural nomenclature support, and refining visual cues and configuration options.
13 Commits • 5 Features
Oct 1, 2025Monthly summary for 2025-10: Delivered a balanced set of features, data enhancements, and quality fixes across Stellarium/stellarium, with strong emphasis on cultural data accuracy, searchability, and UI clarity. The work improves scientific and educational value by enabling alternative astronomical conventions, expanding cultural nomenclature support, and refining visual cues and configuration options.
October 2025
September 2025
52 Commits • 22 Features
Sep 1, 2025September 2025 (2025-09) monthly summary for Stellarium/stellarium: Delivered localization, UI clarity, and robustness improvements across the codebase. Key outcomes include integration of the latest Arabic Sky Culture data with transliteration adjustments, support for variations in Lunar Mansion latitude extents with accompanying extent documentation, and RTL-aware multilingual cultural labeling with improved InfoString handling. UI cleanup reduced label clutter, and a set of stability and build reliability improvements enhanced overall quality and maintainability. These changes collectively advance accessibility for non-English users, improve visual consistency, and reduce maintenance risk across Qt5 builds and font rendering.
September 2025
52 Commits • 22 Features
Sep 1, 2025September 2025 (2025-09) monthly summary for Stellarium/stellarium: Delivered localization, UI clarity, and robustness improvements across the codebase. Key outcomes include integration of the latest Arabic Sky Culture data with transliteration adjustments, support for variations in Lunar Mansion latitude extents with accompanying extent documentation, and RTL-aware multilingual cultural labeling with improved InfoString handling. UI cleanup reduced label clutter, and a set of stability and build reliability improvements enhanced overall quality and maintainability. These changes collectively advance accessibility for non-English users, improve visual consistency, and reduce maintenance risk across Qt5 builds and font rendering.
August 2025
13 Commits • 6 Features
Aug 1, 2025August 2025 focused on localization, data presentation, and UX reliability for Stellarium constellations. Implemented byname and pronunciation translation enhancements, Arab Lunar Mansions support, convex hull–based constellation information display, and UI/state persistence, along with code modernization and documentation updates. These changes improve localization accuracy, cultural coverage, data integrity, and maintainability, delivering clear business value and faster future development.
13 Commits • 6 Features
Aug 1, 2025August 2025 focused on localization, data presentation, and UX reliability for Stellarium constellations. Implemented byname and pronunciation translation enhancements, Arab Lunar Mansions support, convex hull–based constellation information display, and UI/state persistence, along with code modernization and documentation updates. These changes improve localization accuracy, cultural coverage, data integrity, and maintainability, delivering clear business value and faster future development.
August 2025
June 2025
35 Commits • 11 Features
Jun 1, 2025June 2025 monthly summary for Stellarium/stellarium focused on delivering high-value user features, improving internationalization, expanding scientific usability, and strengthening reliability across platforms. Key features delivered include CenterLine Rendering and UI Enhancements with partition-aware rendering, gating when references are undefined, and corrected coordinate text in the info string; Zodiac/Lunar System UI and Localization introducing Chinese-style Lunar Mansions, GUI for Zodiac/Lunar Stations, and Tibetan SkyCulture integration with translations and labels; Star Linking and Online Queries enabling linking a star to a defined longitude and expanding OnlineQueries to search for constellations and asterisms; SkyCultures content updates including descriptions for zodiac and lunar_system elements plus morning/evening star naming, Indian skycultures data updates, and improvements to the 25.2 skyculture UI/page flow; and Documentation/Quality improvements covering ArchaeoLines font metrics fixes, JSON reading order corrections, general doc fixes, improved debug output, and reduced verbosity for clearer diagnostics. Overall impact: These developments enhance visual accuracy, cultural context, and data interoperability, improve discovery and search capabilities, and provide a more reliable and maintainable codebase, delivering concrete business value to astronomers and enthusiasts using Stellarium.
June 2025
35 Commits • 11 Features
Jun 1, 2025June 2025 monthly summary for Stellarium/stellarium focused on delivering high-value user features, improving internationalization, expanding scientific usability, and strengthening reliability across platforms. Key features delivered include CenterLine Rendering and UI Enhancements with partition-aware rendering, gating when references are undefined, and corrected coordinate text in the info string; Zodiac/Lunar System UI and Localization introducing Chinese-style Lunar Mansions, GUI for Zodiac/Lunar Stations, and Tibetan SkyCulture integration with translations and labels; Star Linking and Online Queries enabling linking a star to a defined longitude and expanding OnlineQueries to search for constellations and asterisms; SkyCultures content updates including descriptions for zodiac and lunar_system elements plus morning/evening star naming, Indian skycultures data updates, and improvements to the 25.2 skyculture UI/page flow; and Documentation/Quality improvements covering ArchaeoLines font metrics fixes, JSON reading order corrections, general doc fixes, improved debug output, and reduced verbosity for clearer diagnostics. Overall impact: These developments enhance visual accuracy, cultural context, and data interoperability, improve discovery and search capabilities, and provide a more reliable and maintainable codebase, delivering concrete business value to astronomers and enthusiasts using Stellarium.
May 2025
49 Commits • 21 Features
May 1, 2025May 2025 performance snapshot for Stellarium/stellarium: advanced multilingual naming and translation consistency, improved rendering fidelity for asterisms, and hull-based visualization; strengthened cultural/scientific labeling, and targeted maintenance. Deliveries span renaming/translation consistency for modern constellations, enhanced asterism rendering and labeling with user-controlled exclusions, real-time hull-based selection and frame-updates, and groundwork for zodiac/lunar stations and planet name translations, complemented by critical bug fixes and documentation improvements.
49 Commits • 21 Features
May 1, 2025May 2025 performance snapshot for Stellarium/stellarium: advanced multilingual naming and translation consistency, improved rendering fidelity for asterisms, and hull-based visualization; strengthened cultural/scientific labeling, and targeted maintenance. Deliveries span renaming/translation consistency for modern constellations, enhanced asterism rendering and labeling with user-controlled exclusions, real-time hull-based selection and frame-updates, and groundwork for zodiac/lunar stations and planet name translations, complemented by critical bug fixes and documentation improvements.
May 2025
April 2025
76 Commits • 23 Features
Apr 1, 2025April 2025 focused on delivering foundational cultural naming and labeling improvements for Stellarium/stellarium, strengthening code quality, tooling for analysis, and user-facing UI/internationalization enhancements. The work lays groundwork for scalable, culturally aware sky mapping while significantly improving stability, maintainability, and developer experience.
April 2025
76 Commits • 23 Features
Apr 1, 2025April 2025 focused on delivering foundational cultural naming and labeling improvements for Stellarium/stellarium, strengthening code quality, tooling for analysis, and user-facing UI/internationalization enhancements. The work lays groundwork for scalable, culturally aware sky mapping while significantly improving stability, maintainability, and developer experience.
March 2025
44 Commits • 13 Features
Mar 1, 2025March 2025 (2025-03) saw a focused set of Sky Cultures enhancements, refactors, and stability improvements for Stellarium/stellarium. The work tightened cultural display capabilities, improved user safety checks, and strengthened data loading and location accuracy, delivering clear business value for end users and reducing support overhead.
44 Commits • 13 Features
Mar 1, 2025March 2025 (2025-03) saw a focused set of Sky Cultures enhancements, refactors, and stability improvements for Stellarium/stellarium. The work tightened cultural display capabilities, improved user safety checks, and strengthened data loading and location accuracy, delivering clear business value for end users and reducing support overhead.
March 2025
February 2025
21 Commits • 9 Features
Feb 1, 2025February 2025: Stellarium/stellarium delivered significant skyculture enhancements, stabilized core behavior, and strengthened code quality and documentation. Key outcomes include implementing arbitrary epochs in Skyculture boundary edges and updating modern skycultures boundaries for more accurate representations; enabling rendering of single-star constellations and asterisms; fixing reliability and data integrity issues (hiccups and immediate-save logic, reference entry preservation, and modern-skycultures region definitions); and advancing maintainability through clangd-driven code improvements, streamlined CMake declarations, and updated docs. These changes improve user-facing accuracy, reliability, and developer productivity, delivering measurable business value and a stronger foundation for future features.
February 2025
21 Commits • 9 Features
Feb 1, 2025February 2025: Stellarium/stellarium delivered significant skyculture enhancements, stabilized core behavior, and strengthened code quality and documentation. Key outcomes include implementing arbitrary epochs in Skyculture boundary edges and updating modern skycultures boundaries for more accurate representations; enabling rendering of single-star constellations and asterisms; fixing reliability and data integrity issues (hiccups and immediate-save logic, reference entry preservation, and modern-skycultures region definitions); and advancing maintainability through clangd-driven code improvements, streamlined CMake declarations, and updated docs. These changes improve user-facing accuracy, reliability, and developer productivity, delivering measurable business value and a stronger foundation for future features.
January 2025
4 Commits • 3 Features
Jan 1, 2025January 2025: Consolidated time handling, UX clarity, and scripting capabilities in Stellarium/stellarium. Delivered UTC-normalized satellite timestamps, flexible time string formatting, conditional 'apparent' qualifier display with atmospheric effects, and a new RTS scripting function to obtain rise/transit/setting times at specified altitude. These changes improve data consistency, user-facing time representations, automation capabilities, and overall scientific accuracy.
4 Commits • 3 Features
Jan 1, 2025January 2025: Consolidated time handling, UX clarity, and scripting capabilities in Stellarium/stellarium. Delivered UTC-normalized satellite timestamps, flexible time string formatting, conditional 'apparent' qualifier display with atmospheric effects, and a new RTS scripting function to obtain rise/transit/setting times at specified altitude. These changes improve data consistency, user-facing time representations, automation capabilities, and overall scientific accuracy.
January 2025
December 2024
15 Commits • 2 Features
Dec 1, 2024December 2024 — Stellarium/stellarium: Delivered Immediate Save for user preferences and UI state, along with comprehensive UI/UX improvements to configuration dialogs, targeted bug fixes in UI/color handling, and cross-version Qt5/Qt6 polish. Included documentation updates and a measurable boost to reliability and user experience across builds.
December 2024
15 Commits • 2 Features
Dec 1, 2024December 2024 — Stellarium/stellarium: Delivered Immediate Save for user preferences and UI state, along with comprehensive UI/UX improvements to configuration dialogs, targeted bug fixes in UI/color handling, and cross-version Qt5/Qt6 polish. Included documentation updates and a measurable boost to reliability and user experience across builds.
November 2024
7 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for Stellarium/stellarium focusing on key features delivered, major bugs fixed, overall impact, and technologies demonstrated.
7 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for Stellarium/stellarium focusing on key features delivered, major bugs fixed, overall impact, and technologies demonstrated.
November 2024
Activity
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Quality Metrics
Correctness88.8%
Maintainability88.4%
Architecture82.6%
Performance81.8%
AI Usage20.0%
Skills & Technologies
Programming Languages
CC++CMakeDataDoxygenHTMLJSONJavaScriptLaTeXMarkdown
Technical Skills
3D Graphics3D MathAPI DesignAPI DevelopmentAPI IntegrationASCOMAlgorithm OptimizationAsset ManagementAstronomyAstronomy DataAstronomy SoftwareAstronomy Software DevelopmentBackend DevelopmentBug FixBug Fixing
Repositories Contributed To
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