Fence Post Layout Using LIDAR and Photogrammetry
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for laying out fence post locations are inefficient and prone to errors due to the inability to accurately account for topography and site characteristics, leading to material waste and increased costs in fence installation.
Innovation Solution
The use of LIDAR technology and photogrammetry data, combined with algorithms, to determine precise fence post locations and spacing, with augmented reality visual representations to assist in accurate marking, on devices such as smartphones and tablets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional string lines and tape measures are used to mark fence post locations, then the process is simple and requires minimal equipment, but the precision of post location marking is insufficient and material waste increases
Solution Approach 1:
The patent replaces traditional mechanical measurement tools (string lines, tape measures) with optical measurement technology (smartphone cameras, image processing algorithms). The system captures images of the fence run and uses computational methods to calculate precise post locations, substituting mechanical measurement with optical-digital measurement to achieve higher precision without significantly increasing overall system complexity.
Solution Approach 2:
The patent creates a digital copy/representation of the physical fence run by capturing images and processing them through algorithms. This digital model allows for precise calculation and visualization of post locations before actual installation, enabling high precision marking while keeping the physical equipment simple (just a smartphone and processing software).
2Stability of the object's composition
If post spacing is reduced to ensure even distribution along the fence run, then the appearance is more uniform and attractive, but material waste from framing rails increases
Solution Approach 1:
The patent dynamically adjusts post spacing parameters based on the specific characteristics of each fence run (total length, panel dimensions, site conditions). Rather than using fixed spacing intervals, the system calculates optimal spacing that maximizes material utilization while maintaining even distribution. This parameter optimization allows posts to be spaced closer to the maximum allowable distance, reducing framing rail waste while preserving aesthetic uniformity.
Solution Approach 2:
The patent implements a dynamic calculation system that adapts post spacing to the specific measurements of each fence run. The system processes the actual length of the fence run and determines precise post locations that optimize material usage, rather than applying static, predetermined spacing. This dynamic approach ensures minimal material waste while maintaining uniform appearance across varying fence run lengths.
3Productivity
If post locations are determined without considering topography, then the layout process is faster and simpler, but errors occur during installation and costs increase
Solution Approach 1:
The patent performs preliminary analysis of topography and site conditions by processing images to identify elevation changes, slopes, and obstacles before determining post locations. This advance planning allows the system to adjust post spacing and positioning to accommodate terrain features, ensuring installation accuracy is maintained while the overall process remains efficient through automated computational analysis.
Solution Approach 2:
The system incorporates feedback from image analysis about site characteristics (topography, obstacles, terrain features) into the post location calculations. The algorithm continuously refines the proposed post layout based on the visual information captured, adjusting positions to account for elevation changes and site constraints. This feedback loop ensures high installation accuracy without significantly increasing process time, as the analysis and adjustment occur automatically through computational methods.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables accurate and efficient determination of fence post locations and spacing, reducing material waste and installation costs by accounting for site topography and characteristics, and providing real-time visual guidance for precise placement.
Implementation Method 1
collecting LIDAR data using a LIDAR sensor of the measurement device, the LIDAR data corresponding to a topography of the installation site
Implementation Method 2
collecting photogrammetry data using a camera of the measurement device; and analyzing the photogrammetry data, including determining a topography of the installation site using triangulation of converging lines in space based on the photogrammetry data
Data Source
AI summary
A fence post layout system and method includes a measurement device to collect data corresponding to a length of a fence run and presenting a visual representation of the length of the fence run to an operator through a user interface. The measurement device also collects data corresponding to installation site characteristics, such as topography. The system analyzes the installation site data to determine fence post spacing and fence post installation locations along the fence run and outputs a visual representation to the operation of the fence post installation locations via the user interface.