- 3D surveys better represent the reality and enable any desired post-processing activity.
- Systemic structure/environment surveys.
- Extensive details acquired fast and at high accuracy.
- Reliable – eliminates surveyor’s interpretation of the structure and its environment.
- Excellent visualization of surveyed structures and environment.
- Remote surveys – eliminate any accessibility considerations - safer and easier for surveyors.
- Provides immediate results (on-site).
- Provides outstanding deliverables.
- Stand-alone surveys - no external illumination required, no shadowing problems.
- Straightforward hard copy possibilities.
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- ASCII file – containing COP data for numerical or CAD use.
- 3D CAD model – triangulation mesh, surfaces, solid and other CAD entities based on object's COP.
- Volume and area calculations based on triangulation map.
- Topography map – contours, sections, irregularity line, linework.
- Comparison of product to model, displacement monitoring
- Cloud of Points (COP) – set of points containing geometric and colored data (X,Y,Z) of object’s visible surfaces. COP is suitable for use in CAD software packages.
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The 3D Laser Scanner is a computerized survey instrument based on a laser range finder. The scanner is positioned opposite the object and emits a laser pulse directed toward the object by two internal mirrors, set perpendicular to each other. The pulse hits the object’s surface and is reflected back. The scanner captures the reflected pulse and calculates the distance to the hitting point. Using the angular information from the two mirrors and the distance, the computer calculates the exact 3D location (X, Y, Z) of the hitting point in any desired coordinate system. Then, the mirrors change their position slightly and the next pulse is emitted. This procedure is repeated thousands of times per second until the entire scene has been captured and the visible area of the object has been completely scanned. Thus, a Cloud of Point (COP) representing the object’s surface is produced. Moving the scanner to several scanning positions will produce a complete, 3600 scanned COP of the entire object.
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