Geometric Shape Placement in Map Tiles Using Road Width
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Solution Overview
Problem
Existing geographic mapping applications face inconsistencies in positioning geometric shapes relative to roads, especially when road segment geometry is unavailable within map tiles or viewports, leading to inconsistent placement across tile boundaries.
Innovation Solution
A method that determines the availability of road segment geometry within each map tile and uses either the actual road width or a default width to consistently position geometric shapes relative to roads, ensuring alignment across map tiles by employing vectors and bounding boxes to assess geometry availability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If geometric shapes are positioned using actual road width when road segment geometry is available, then positioning accuracy is improved, but positioning consistency deteriorates when road segment geometry is unavailable across map tiles
Solution Approach 1:
The system performs preliminary determination of road segment geometry availability for each map tile before positioning geometric shapes. By checking availability in advance and preparing both actual width and default width values, the system ensures consistent positioning behavior across all tiles regardless of whether road geometry is available, preventing positioning inconsistencies at tile boundaries
Solution Approach 2:
The system dynamically changes the road width parameter based on the availability of road segment geometry in each map tile. When road geometry is available, the actual road width is used for positioning; when unavailable, a default road width is used. This parameter adaptation ensures that geometric shapes are consistently positioned relative to roads across all map tiles while maintaining positioning accuracy where data is available
2Stability of the object's composition
If the system checks road segment geometry availability for each map tile, then positioning consistency is improved, but computational complexity increases
Solution Approach 1:
The system segments the map into discrete map tiles and independently determines road segment geometry availability for each tile. This segmentation allows the positioning logic to be applied consistently across tiles while avoiding the need to process entire map views at once, reducing overall computational complexity while maintaining positioning consistency
Solution Approach 2:
The system uses a default road width value as a fallback when actual road geometry is unavailable. This default value acts as a simple, computationally inexpensive placeholder that enables consistent positioning without requiring complex calculations or additional data processing, effectively solving the positioning consistency problem with minimal computational overhead
Data Source
AI summary
The present disclosure is related to geographic maps including a plurality of map tiles having various geometric shapes. A determination is made for each map tile as to whether road segment geometry for a road corresponding to the geometric shape is available. The geometric shape is positioned using an actual road width when it is determined that the road segment geometry is available. The geometric shape is positioned using a default road width when it is determined that the road segment geometry is unavailable.