
Marcel Otruba contributed to faktaoklimatu/web-cz by building and refining data-driven infographic assets, focusing on climate and energy topics for the Czech Republic and EU. He updated and managed SVG and PDF visualizations, ensuring data accuracy and clarity through careful content editing, metadata management, and version control. Marcel addressed both user-facing and internal needs, such as correcting climate data, refreshing document metadata, and optimizing visuals for mobile accessibility. His work involved Markdown, SVG, and PDF manipulation, with a strong emphasis on traceable commits and reproducible updates. The depth of his contributions improved data integrity, user comprehension, and asset governance.
October 2025 monthly summary for faktaoklimatu/web-cz: Focused on delivering visual content to clarify decarbonization steps for heating plants in the Czech Republic. Delivered two explainer images with mobile-optimized variants to support responsive delivery, accessibility, and user engagement.
October 2025 monthly summary for faktaoklimatu/web-cz: Focused on delivering visual content to clarify decarbonization steps for heating plants in the Czech Republic. Delivered two explainer images with mobile-optimized variants to support responsive delivery, accessibility, and user engagement.
September 2025 monthly summary for faktaoklimatu/web-cz focusing on infographic assets and data visuals. The month centered on delivering updated and expanded infographic assets across EU, Czech Republic, and Slovakia, plus quality improvements to ensure accuracy and readability.
September 2025 monthly summary for faktaoklimatu/web-cz focusing on infographic assets and data visuals. The month centered on delivering updated and expanded infographic assets across EU, Czech Republic, and Slovakia, plus quality improvements to ensure accuracy and readability.
Delivered a focused feature and data-quality update for 2025-04, centering on the infographic refresh for emissions and temperature visuals in faktaoklimatu/web-cz. The work enhances accuracy, traceability, and user trust by updating metadata, ordering, and thumbnails across assets.
Delivered a focused feature and data-quality update for 2025-04, centering on the infographic refresh for emissions and temperature visuals in faktaoklimatu/web-cz. The work enhances accuracy, traceability, and user trust by updating metadata, ordering, and thumbnails across assets.
March 2025: Focused on refreshing the GHG infographic data for faktaoklimatu/web-cz to reflect the 2022 totals, per-capita figures, and sector breakdowns, replacing the previous 2021 data. All changes tracked in a single, auditable commit. No major bugs reported this month. The update improves data recency and accuracy for public visuals, supporting policy analysis and stakeholder communications.
March 2025: Focused on refreshing the GHG infographic data for faktaoklimatu/web-cz to reflect the 2022 totals, per-capita figures, and sector breakdowns, replacing the previous 2021 data. All changes tracked in a single, auditable commit. No major bugs reported this month. The update improves data recency and accuracy for public visuals, supporting policy analysis and stakeholder communications.
In January 2025, the team completed two critical, non-user-facing bug fixes in faktaoklimatu/web-cz that significantly improve data integrity and asset governance. The PDF infographic assets were updated to refresh metadata and thumbnails, ensuring internal asset consistency and proper PDF properties management. Separately, climate data for the Czech Republic was corrected—adjusting the time frame from 62 to 63 years and updating the temperature increase from 2.2 to 2.3 °C—to ensure accuracy in public-facing visuals and reports. These changes reduce the risk of misinformation, strengthen user trust, and support reliable dashboards and comparisons.
In January 2025, the team completed two critical, non-user-facing bug fixes in faktaoklimatu/web-cz that significantly improve data integrity and asset governance. The PDF infographic assets were updated to refresh metadata and thumbnails, ensuring internal asset consistency and proper PDF properties management. Separately, climate data for the Czech Republic was corrected—adjusting the time frame from 62 to 63 years and updating the temperature increase from 2.2 to 2.3 °C—to ensure accuracy in public-facing visuals and reports. These changes reduce the risk of misinformation, strengthen user trust, and support reliable dashboards and comparisons.
November 2024 — Deliverables focused on documentation accuracy, UX refinements, and data visuals for faktaoklimatu/web-cz. Key work includes corrections to the documentation (PDF and explainer) to reflect current data, UX improvements for the COO job posting to enhance readability, a visual refresh of the product preview image, and an updated climate commitments graphic with current data and higher reported percentage. These changes improve data integrity, user comprehension, and visual storytelling, supporting trust, engagement, and product/marketing goals.
November 2024 — Deliverables focused on documentation accuracy, UX refinements, and data visuals for faktaoklimatu/web-cz. Key work includes corrections to the documentation (PDF and explainer) to reflect current data, UX improvements for the COO job posting to enhance readability, a visual refresh of the product preview image, and an updated climate commitments graphic with current data and higher reported percentage. These changes improve data integrity, user comprehension, and visual storytelling, supporting trust, engagement, and product/marketing goals.
Month: 2024-10 — Key features delivered: Graph Visualization Color Refinement in faktaoklimatu/web-cz, focused on visual refinement by adjusting SVG polyline colors to improve readability and data clarity. Major bugs fixed: none reported this month. Overall impact and accomplishments: improved user readability of graph visualizations, enabling quicker data interpretation and more reliable insights; maintained UI stability. Technologies/skills demonstrated: JavaScript/TypeScript, SVG manipulation, UI/UX and data visualization best practices, version control and collaborative development.
Month: 2024-10 — Key features delivered: Graph Visualization Color Refinement in faktaoklimatu/web-cz, focused on visual refinement by adjusting SVG polyline colors to improve readability and data clarity. Major bugs fixed: none reported this month. Overall impact and accomplishments: improved user readability of graph visualizations, enabling quicker data interpretation and more reliable insights; maintained UI stability. Technologies/skills demonstrated: JavaScript/TypeScript, SVG manipulation, UI/UX and data visualization best practices, version control and collaborative development.

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