
Ana Isabel Matias Barros developed 3D picking and crosshair linking features for the cornerstonejs/cornerstone3D repository, focusing on enhancing multi-view navigation and 3D interaction in medical imaging applications. She implemented 3D picking by leveraging VTK.js coordinates and extended the BaseVolumeViewport to accurately map canvas positions to world coordinates, enabling more precise user interactions. Additionally, she created a crosshair linking example that synchronizes cursor positions across orthogonal views, improving cross-view analysis. Her work included updating documentation in Markdown to increase discoverability of new features. The project utilized JavaScript and TypeScript, demonstrating depth in 3D rendering and front-end development.

March 2025 monthly summary: Delivered 3D picking and crosshair linking in Cornerstone3D, enhancing multi-view navigation and 3D interaction for users. Implemented 3D picking using VTK.js coordinates, extended BaseVolumeViewport to map canvas positions to world coordinates, and added a crosshair linking example across linked orthogonal views. Updated docs to improve discoverability by linking the cursor3D example. This work improves accuracy of 3D interactions, enables more intuitive cross-view analysis, and strengthens our documentation.
March 2025 monthly summary: Delivered 3D picking and crosshair linking in Cornerstone3D, enhancing multi-view navigation and 3D interaction for users. Implemented 3D picking using VTK.js coordinates, extended BaseVolumeViewport to map canvas positions to world coordinates, and added a crosshair linking example across linked orthogonal views. Updated docs to improve discoverability by linking the cursor3D example. This work improves accuracy of 3D interactions, enables more intuitive cross-view analysis, and strengthens our documentation.
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