Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
POINT CLOUD ACQUISITION SIMULATION METHOD FOR EXISTING STRUCTURE AND POINT CLOUD ACQUISITION SIMULATION SYSTEM FOR EXISTING STRUCTURE
To provide a point cloud acquisition simulation method and system that can optimize an installation position of measurement apparatus and the number of scans on site.SOLUTION: A point cloud acquisition simulation method for an existing structure using a pseudo 3D model of the existing structure includes: a virtual laser setting step (ST3, 4) of substituting an initial value for an irradiation angle of a virtual laser extending linearly from a virtual laser emission point; an intersection point coordinate calculation step (ST7) of calculating intersection point coordinates of the virtual laser and a surface of the existing structure on the 3D model; an intersection point coordinate recording step (ST8-10) of recording the intersection point coordinates of the shortest distance from the virtual laser emission point among the plurality of intersection point coordinates calculated in the intersection point coordinate calculation step (ST7); and a virtual laser rotation step (ST12, 13) of changing the irradiation angle of the virtual laser by a predetermined angle and executing the intersection point coordinate calculation step (ST7) and the intersection point coordinate recording step (ST8-10) until the irradiation angle becomes 2π or more.SELECTED DRAWING: Figure 3
【課題】現地での計測機器の設置位置やスキャン回数の最適化が可能な点群取得シミュレーション方法及びシステムを提供する。【解決手段】既設構造物の疑似的な３Ｄモデルを用いた、既設構造物の点群取得シミュレーション方法であって、仮想レーザー発射点から直線状に延びる仮想レーザーの照射角度に初期値を代入する仮想レーザー設定工程（ＳＴ３，４）と、仮想レーザーと３Ｄモデル上の既設構造物の表面の交点座標を算出する交点座標算出工程（ＳＴ７）と、交点座標算出工程（ＳＴ７）で算出された複数の交点座標のうち、仮想レーザー発射点から最短距離の交点座標を記録する交点座標記録工程（ＳＴ８～１０）と、仮想レーザーの照射角度を所定角度変化させて照射角度が２π以上になるまで交点座標算出工程（ＳＴ７）及び交点座標記録工程（ＳＴ８～１０）を実行させる仮想レーザー回転工程（ＳＴ１２，１３）を備える。【選択図】図３
POINT CLOUD ACQUISITION SIMULATION METHOD FOR EXISTING STRUCTURE AND POINT CLOUD ACQUISITION SIMULATION SYSTEM FOR EXISTING STRUCTURE
To provide a point cloud acquisition simulation method and system that can optimize an installation position of measurement apparatus and the number of scans on site.SOLUTION: A point cloud acquisition simulation method for an existing structure using a pseudo 3D model of the existing structure includes: a virtual laser setting step (ST3, 4) of substituting an initial value for an irradiation angle of a virtual laser extending linearly from a virtual laser emission point; an intersection point coordinate calculation step (ST7) of calculating intersection point coordinates of the virtual laser and a surface of the existing structure on the 3D model; an intersection point coordinate recording step (ST8-10) of recording the intersection point coordinates of the shortest distance from the virtual laser emission point among the plurality of intersection point coordinates calculated in the intersection point coordinate calculation step (ST7); and a virtual laser rotation step (ST12, 13) of changing the irradiation angle of the virtual laser by a predetermined angle and executing the intersection point coordinate calculation step (ST7) and the intersection point coordinate recording step (ST8-10) until the irradiation angle becomes 2π or more.SELECTED DRAWING: Figure 3
【課題】現地での計測機器の設置位置やスキャン回数の最適化が可能な点群取得シミュレーション方法及びシステムを提供する。【解決手段】既設構造物の疑似的な３Ｄモデルを用いた、既設構造物の点群取得シミュレーション方法であって、仮想レーザー発射点から直線状に延びる仮想レーザーの照射角度に初期値を代入する仮想レーザー設定工程（ＳＴ３，４）と、仮想レーザーと３Ｄモデル上の既設構造物の表面の交点座標を算出する交点座標算出工程（ＳＴ７）と、交点座標算出工程（ＳＴ７）で算出された複数の交点座標のうち、仮想レーザー発射点から最短距離の交点座標を記録する交点座標記録工程（ＳＴ８～１０）と、仮想レーザーの照射角度を所定角度変化させて照射角度が２π以上になるまで交点座標算出工程（ＳＴ７）及び交点座標記録工程（ＳＴ８～１０）を実行させる仮想レーザー回転工程（ＳＴ１２，１３）を備える。【選択図】図３
POINT CLOUD ACQUISITION SIMULATION METHOD FOR EXISTING STRUCTURE AND POINT CLOUD ACQUISITION SIMULATION SYSTEM FOR EXISTING STRUCTURE
既設構造物の点群取得シミュレーション方法、既設構造物の点群取得シミュレーションシステム
YASUDA KEIICHI (Autor:in) / KAMEI YUKIMASA (Autor:in)
06.02.2024
Patent
Elektronische Ressource
Japanisch
IPC:
G06F
ELECTRIC DIGITAL DATA PROCESSING
,
Elektrische digitale Datenverarbeitung
/
E01D
BRIDGES
,
Brücken
/
G01C
Messen von Entfernungen, Höhen, Neigungen oder Richtungen
,
MEASURING DISTANCES, LEVELS OR BEARINGS
/
G06T
Bilddatenverarbeitung oder Bilddatenerzeugung allgemein
,
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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