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Training Platform of Slopeland by Using Virtual Reality

Developing history
To reconstruct and visualize the disaster sites, RTDT has built the real-scene 3D model by using unmanned aerial vehicle (UAV). For building the training platform of slopeland, the technics of virtual reality (VR) are chosen. Moreover, the geospatial data produced by investigating reports every year was inputted in the VR training platform. Hence, this training platform can help the rookie engineers to understand and clarify the problems without visiting disaster sites by themselves. Besides, this training platform provides the function that the users from different agencies or places can discuss and plan the remedial engineering in the same virtual space after disaster. In conclusion, this VR training platform can provide not only the real-scene 3D model after disaster for rookie engineers, but also a virtual space to discuss the remedial engineering safely.
Framework and
functions of platform
1
Flowchart of building 3D model by using UAV
UAV攝影取樣流程圖
VR攝影模擬角度示意圖
To build the VR training platform, there are 3 parts of steps. First of all, the aerophotos taken by UAV should have higher scan overlap rate. Right after this, the real-scene 3D model would be built by using the ContextCapture numerical program to deal with the aerophotos. Last, a VR environment with 3D model would be developed by Unity program.
2
Frameworks of platform
軟體架構,包含大廳及訓練室兩大功能
硬體架構,由VR Server及VR Client所構成
3
Seven fundamental modules
移動、測量、繪圖標註、地理圖資套疊、多人連線、其他、繪入等七大基礎模組
4
Five training modules
羅盤儀操作訓練、目測地形坡度、防砂壩址選定訓練、山坡地可利用限度調查、工程品質缺失改善訓練等模組
Introduction of training modules
Training for improving defects of quality
  • ‧ Purpose Learning to distinguish the advantages and disadvantages of engineering in situ.
  • ‧ Process 1. Enter the training module
    2. Read the manual of this training
    3. Pick up the document of quality defects
    4. Find the items on the document in this scene
  • 描述對應選單和入口說明看板
Training for visual observing slope in situ
  • ‧ Purpose To determine the slope of the terrain by visual observing only.
  • ‧ Process 1. Enter the training module
    2. Visual-observe the slope where arrow pointed
    3. Choose the result by observing on the board
    4. Click the button to show the answer
    5. Go to next stage pointed by arrow
  • 說明看板和揭開解答覆蓋鍵
Training for investigating land use capability for slopeland
  • ‧ Purpose Learning to investigate land use capability for slopeland.
  • ‧ Process 1. Enter the training module and move to the chosen place
    2. Start investigating land use capability for slopeland
    ※ Judged in-situ factors of land use capability for slopeland are divided into 4 parts: (1) slope (2) depth of soil (measured by soil auger) (3) erosion depth of soil (4) properties of parent rock
  • 資訊看板及甜達看板,使用測距儀量測察定地坡度
Training for using compass
  • ‧ Purpose Learning to use the compass and read the data from it. Furthermore, to choose the correct symbols for demonstrating is also learned in VR training platform.
  • ‧ Process 1. Enter the training module
    2. Read the manual of this training
    3. Use the compass to measure the strikes and dips
    4. Choose the results (symbols) by measuring on the board
    5. Click the button to show the correct symbols
  • 說明看板和地質羅盤儀測量坡面傾斜
Training for choosing site of sabo dam
  • ‧ Purpose To teach users observing the in-situ condition after disaster and draw up the sabo dam’s arrangement in the case study of the landslide at WuShen temple.
  • ‧ Process 1. Observe the real-scene 3D model after disaster in VR environment
    2. Adjust the size, direction and location of the imported sabo dam model
    3. Click the finish button after adjusting
    4. Click the presenting button to show the model planned already
  • 開啟模型頁面選擇模型,使用匯入模型功能和模型擺放至定位
Benefits and
prospects
Increasing the visibility and intuition of disaster prevention

Demonstrate the true condition by building the real-scene 3D model
Display the true-scale 3D model in VR environment
Demonstrating and discussing in one virtual space

VR-connect by Internet instantaneously
Discuss the engineering projects in different agencies and places
Increase the efficiency of work
Training by using immersive interaction

Break through the traditional training mode
Deepen impression of training by using VR interaction
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