Digital Landscape is a combination of the system and the computer software and hardware system of a high simulation model. The author analyzes the application of computer simulation in landscape design and value analysis of a city garden. In the computer-aided design, the importance of digitizing information in the landscape design process, mainly human and the interaction of computer, is reflected in the digital model's creation and multimedia performance, becoming more and more evident. To form a two-dimensional or three-dimensional spatial data, to realize real-time, statistical Analysis, using the human living environment, multi-dimensional, efficient, and humane, and environmental landscape plan to more rational and practical, used the computer simulation techniques. Effective use of urban rainwater, to reduce the flooding of urban areas, it is possible to alleviate the water crisis, the organic combination of rainwater can be used in the course of the construction of the urban landscape as well as make-up landscape, visual beautification has optimized the ecosystem, and from many rainwater utilization functions; These functions in landscape design, rainwater garden, It can be realized the rooftop garden, and the city's green. The construction and sustainable economy and the promotion of the ecological park's social development will positively sign. Suitable for rainwater regulation, water (recovery) is stored—Computer-Aided Design (CAD) green space. Technical measures save of suggestions for practical application of the square: innovation and new of space design, new artificial wetland system, and garden rainwater in the application of the regulation (population) storage system design of the water-saving of these to the sustainable development of such new square of rainwater adjustment (group) storage system design and urban landscape environment. It is useful for the application of technology.

Digital Landscape是系统和高度仿真模型的计算机软硬件系统的组合。作者分析了计算机仿真在城市园林景观设计和价值分析中的应用。在计算机辅助设计中，在景观设计过程中（主要是人与计算机的交互）数字化信息的重要性体现在数字模型的创建和多媒体性能中，这一点越来越明显。形成二维或三维空间数据，实现实时，统计分析，利用人类居住环境，多维，高效，人性化，环境景观规划更加合理实用，采用计算机模拟技术。有效利用城市雨水，减少城市地区的洪水泛滥，可以缓解水危机，在城市景观和美化景观的建设过程中可以使用雨水的有机结合，视觉美化优化了生态系统，并具有许多雨水利用功能；这些功能在景观设计，雨水花园，可以实现屋顶花园和城市绿化方面发挥作用。建设可持续经济和促进生态公园的社会发展将是积极的标志。适用于雨水调节，可存储水（回收）-计算机辅助设计（CAD）的绿色空间。除了广场实际应用的建议外，技术措施还包括：空间设计的创新和新成果，新的人工湿地系统，和花园雨水在调节（人口）蓄水系统设计中的应用这些节水到可持续发展的新广场这样的雨水调节（组）蓄水系统设计和城市景观环境中。这对于技术的应用很有用。