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題 名 | 應用Unity和Google Earth於森林3D景觀視覺模擬=Forest Landscape Visualization Using Unity and Google Earth |
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作 者 | 謝漢欽; 江昱仁; 吳俊賢; 陳財輝; 楊蓓涵; 汪大雄; | 書刊名 | 中華林學季刊 |
卷 期 | 48:2 2015.06[民104.06] |
頁 次 | 頁185-204 |
分類號 | 436.12、436.12 |
關鍵詞 | 漫步模擬; 森林景觀規劃; 景觀3D視覺化; Walk-through simulation; Virtual reality forest landscape; Computer cartography; |
語 文 | 中文(Chinese) |
中文摘要 | 透過電腦數位化3D森林景觀視覺模擬技術,依據現地量測實體或規劃設計之物件形體,進行3D物件實體模擬和整體景觀規劃方案之動態互動場景,經由網際網路的分享,能有助於民眾對於規劃案瞭解。本研究以六龜扇平生態科學園核心地區為對象,進行該地區地型、建築物、設施及樹木空間位置實地測量調查,選用SketchUp 3D快速建模工具進行各項3D物件建置,為能節省電腦快取記憶體,利於快速於網際網路上顯示,以交叉面方式建置植物3D模型;另外使用C++語言和Google Earth之KML(Keyhole Markup Language)語言撰寫程式進行自動化3D物件地理空間配置。本研究基於減低建置成本的考量,選用Unity和Google Earth兩種3D場景建置平台,整合研究區的各項3D物件進行森林景觀3D動態模擬,並比較兩種平台在3D場景顯示與互動操作上之異同和優劣。研究結果顯示兩種建置平台都可以方便提供森林景觀視覺動態模擬,但由於在Unity平台使用的數位地形資料是來自1 m空間解析度之空載光達,相對於Google Earth內建地形空間解析度只有90 m,可以顯示出精細微地形,使得在Unity平台上進行漫步操作視覺動態模擬效果較佳。透過本研究整合之3D森林景觀視覺動態模擬技術,日後可供國內森林景觀相關規劃案和民眾互動交流,從中獲取相關意見,進而改善現有森林景觀。 |
英文摘要 | The visualization of forest landscape is increasingly used as a tool for environmental change studies and management plans. The visualization can be based on the real data measured at the real forest or it can be based on the plans or landscape design. Visualization is important for public understanding of the plans or design. In this study, we used 3D computer cartography technique to compile the data of terrain, buildings, roads, and plants in the core area of Shanping Ecological Scientific Garden (SESG) in Liouguei Research Center of Taiwan Forestry Research Institute, Taiwan. Two engines, Unity and Goggle Earth, were used and compared. SketchUp was used to build 3D objects models for both engines. Computer C plus language in Unity and programs of KLM (Keyhole Markup Language) in Google Earth were coded to allocate objects on the terrain models. Results showed that while both engines could be used to simulate the real environment, the superiority of Unity in expressing the outcome images was revealed due to the high spatial resolution of LiDAR used in this study so that the micro-terrain surface could be well observed. With the aid of forest landscape animation system developed in this study, people could easily walk through in the virtual reality world of SESG through the internet. Finally, scenarios design of nursery management in SESG were shown the feasibility of the animation system in the study area. Potentially, the 3D animation technique developed in this study can be utilized in the forest recreation area planning and forest trail management for the design of scenarios and public discussion on forest landscape planning. |
本系統中英文摘要資訊取自各篇刊載內容。