Method and system for minimizing earthwork volumes
US11308251B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2020 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Sep 30, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2219/2021
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and system provide the ability to design a surface. An existing triangular surface mesh representative of an existing surface is obtained. A modification to the mesh in compliance with design constraints is received. A volume level set or a volume minimization set, for the modified mesh, is obtained in Euclidean space. A volume subgradient set based on the volume level set, is obtained. A scalar is determined and used to scale heights between vertices of a triangle. A projection is computed and may be scaled. The projection may then be removed from the triangle's vertices. The removing changes the triangular surface mesh into a converged triangular surface mesh that minimizes an objective function. The objective function computes an absolute earthwork volume and/or an absolute value of a net volume representing the difference between a fill and cut of earthwork material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.