Coordinating Floorplan UI Layers via Coordinate Transformation
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Solution Overview
Problem
Existing technologies face challenges in accurately rendering and interacting with multiple layers of computer-aided design (CAD) documents, particularly when these layers utilize different geographic coordinate systems, leading to misalignment and incorrect user interactions.
Innovation Solution
The system maintains and projects multiple map layers with different coordinate systems, generating instructions for a user interface that allows concurrent presentation. It converts user interactions from one coordinate system to another, enabling accurate actions on layers with different coordinate systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple map layers with different coordinate systems are maintained for concurrent presentation, then the system can display diverse CAD data representations, but coordinate misalignment and rendering accuracy deteriorate
Solution Approach 1:
The patent introduces a coordinate transformation mechanism that acts as an intermediary between different coordinate systems. The system determines transformation parameters (such as origin offsets, scale factors, and rotation angles) that map coordinates from one coordinate system to another, enabling accurate alignment of map layers with different coordinate systems while maintaining their individual characteristics
Solution Approach 2:
The system dynamically adjusts transformation parameters based on the specific coordinate systems involved. By calculating and applying appropriate transformation matrices or conversion formulas, the system adapts the coordinate representation to ensure accurate alignment across different map layers without altering the underlying data
2Measurement precision
If coordinate transformation is performed to enable accurate interaction, then user interaction precision improves, but system complexity increases
Solution Approach 1:
The system performs coordinate transformation in advance by pre-calculating transformation parameters and storing them for later use. When map layers are loaded or when coordinate systems are identified, the transformation relationships are established beforehand, so that during user interaction, only simple parameter application is needed rather than complex real-time calculations
Solution Approach 2:
The system creates transformed coordinate representations as copies of the original coordinate data. Instead of modifying the source coordinate systems, it generates and maintains separate transformed coordinate sets that can be used for interaction, preserving the original data while enabling precise user operations
Data Source
AI summary
Systems and techniques for rendering multi-layer computer-aided design related documents are described. A described technique includes maintaining, for concurrent presentation on a device, a first map layer with a first geographic coordinate system and a second map layer with a second different coordinate system; determining a projection from the first geographic coordinate system to the second different coordinate; generating, using the projection from the first geographic coordinate system to the second different coordinate system, instructions for presentation of a user interface that depicts the first map layer concurrently with the second map layer; and providing, to the device, the instructions to cause the device to present the user interface.