Model Construction of the Concession Cultural and Historical Block in Tianjin Italian Style Town

The digital modeling of Tianjin Marco Polo Plaza’s VR scene prioritizes accurate historical reproduction and immersive spatial experience, constructing a virtual space integrating historical authenticity and interactive exploration.To this end, the research team adopted a full-process technical framework: preliminary data preparation, multi-software collaborative modeling, and detailed optimization. A trinity mode of SketchUp, 3ds Max and Unity was applied: leveraging SketchUp’s efficiency, preliminary modeling of the plaza’s overall layout and the "core-transition-peripheral" three-level spatial hierarchy was completed based on photogrammetric data and historical documents (old maps, architectural drawings, etc.); the basic model was then imported into 3ds Max for refinement, including detailed building component carving, initial material definition and landscape element implantation; finally, the optimized high-precision model was imported into Unity for interactive logic construction, lighting system configuration and physical engine debugging, forming a complete VR scene model. This process covers all key links from spatial planning and framework construction to detail processing and interactive integration.Spatially, the core area centers on the Statue of Peace with a symmetrical radial layout, restoring the plaza’s historical core activity zone; the transition area focuses on replicating the iconic "three-section facade" of Italian architecture, highlighting the Renaissance style through accurate proportion and decorative detail reproduction of columns, cornices and pedestals; the peripheral area achieves natural transition from historical to modern styles via building height gradient control and material contrast (historical: stone, red brick; modern: glass, steel structure), avoiding abrupt spatial style breaks.The model accurately replicates the plaza’s core elements: Statue of Peace, radial road network and pavement materials, European-style buildings, and historic-practical public leisure facilities.

天津马可·波罗广场（Tianjin Marco Polo Plaza）VR场景数字化建模以精准还原历史场景与打造沉浸式空间体验为核心目标，构建兼具历史真实性与交互探索性的虚拟空间。为此，研究团队采用全流程技术框架：涵盖前期数据筹备、多软件协同建模与精细化优化三大环节，并采用SketchUp、3ds Max与Unity三位一体的协同模式：依托SketchUp的高效建模能力，基于摄影测量数据与历史文献（老旧地图、建筑图纸等）完成广场整体布局及“核心-过渡-外围”三级空间层级的初步建模；随后将基础模型导入3ds Max进行精细化处理，包括建筑构件细节雕刻、初始材质定义与景观元素植入；最终将优化后的高精度模型导入Unity，开展交互逻辑搭建、光照系统配置与物理引擎调试，形成完整的VR场景模型。该流程覆盖了从空间规划、框架搭建到细节处理、交互融合的全部关键环节。空间布局上，核心区以和平女神像（Statue of Peace）为中心，采用对称放射状布局，还原了广场历史核心活动区域；过渡区重点复刻意大利建筑标志性的“三段式立面”，通过精准还原柱式、檐口与基座的比例关系及装饰细节，彰显文艺复兴风格；外围区则通过建筑高度梯度管控与材质对比（历史风格：石材、红砖；现代风格：玻璃、钢结构）实现历史与现代风格的自然过渡，避免空间风格出现突兀断裂。该模型精准复刻了广场的核心元素：和平女神像、放射状路网与铺装材质、欧式建筑及兼具历史底蕴与实用功能的公共休闲设施。