This Pathways to Enable Open-Source Ecosystems (POSE) project addresses the increasing demand for tools that handle fast changing 3D and 4D visual information used in robotics, extended reality, artificial intelligence, autonomous systems, and similar areas. Current resources are scattered and incompatible, slowing progress and limiting access. This project addresses these challenges by planning a shared, open ecosystem for dynamic 4D geometry data, enabling common standards, tools, and workflows that can be used across domains. The project supports broader participation in spatial computing and accelerates progress in applications such as immersive education, remote operation, and intelligent automation. This effort directly serves the national interest by strengthening the data infrastructure underlying next-generation computing systems. Advances in interoperable spatial data processing can improve the reliability and responsiveness of systems used in areas such as disaster response, critical infrastructure monitoring, and defense and surveillance operations, where timely and accurate spatial understanding is essential. At the same time, the project contributes to economic growth by enabling scalable data pipelines for autonomous systems and spatial computing platforms, supporting innovation across industry sectors. This project scopes and designs an open-source ecosystem for 4D dynamic geometry, building on an existing research artifact as a foundation. The effort foc