Navigation Path Generation in 3D Architectural Models
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Solution Overview
Problem
Navigating through digital three-dimensional (3D) models of architectural spaces on devices is difficult due to the lack of effective guidance and visualization of paths within these models.
Innovation Solution
A system that includes a waypoint location component, a path component, and an output component to determine and transmit visual data for navigation paths within 3D models, allowing for the simulation of navigation between locations by rendering 2D or 3D data on remote client devices, using captured 3D data from sensors like laser scanners and structured light systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a user navigates through a 3D model using a user interface on a device, then the user can interact with the 3D model, but the navigation becomes difficult and complex
Solution Approach 1:
The patent introduces an automatic path determination system that acts as an intermediary between the user and the 3D model navigation. The system automatically calculates navigation paths between selected locations in the 3D model, eliminating the need for users to manually navigate through complex 3D spaces. The system determines waypoints and generates visual guidance along the path, simplifying the navigation process while maintaining full access to the 3D model's interactive capabilities.
2Loss of information
If visual data for the entire 3D model is transmitted to the remote client device, then complete 3D model information is available, but the amount of data to be rendered increases significantly
Solution Approach 1:
The patent extracts and transmits only the specific visual data necessary for the navigation path rather than the entire 3D model. The system identifies and transmits visual data at key locations (start location, end location, and waypoints) along the determined path. This selective extraction approach maintains the essential navigation information while dramatically reducing the volume of data that needs to be transmitted and rendered on the remote client device.
Solution Approach 2:
The patent segments the 3D model data into discrete visual data points along the navigation path. Instead of transmitting continuous or complete model data, the system divides the information into specific segments at key locations (start point, end point, and intermediate waypoints). Each segment contains the visual data necessary for that specific location, and the system transmits only these segmented portions, reducing overall data volume while preserving navigation functionality.
Data Source
AI summary
Systems and techniques for determining and/or generating a navigation path through a three-dimensional (3D) model are presented. At least one waypoint location within a captured 3D model of an architectural environment is determined. A path within the captured 3D model, to navigate between a first location associated with the captured 3D model and a second location associated with the captured 3D model, is determined based on the at least one waypoint location. Visual data indicative of 2D data or 3D data of the captured 3D model along the path is transmitted to a remote client device to simulate navigation of the path within the captured 3D model between the first location and the second location.