Unverified50% confidenceFactExact time
Unfenced's adjacency determination is measured precisely based on county parcel boundaries and calculates the shared boundary length (in feet)
1
Sources
50%
Confidence
Long-term
Relevance
10/17/2026
First Seen
Sources
Unfenced: Using Map Data to Precisely Filter Properties for Sale Adjacent to Public Land
producthuntProductHunt Daily10/17/2026
Related Entities
Related Claims
UnverifiedIn GIS, the determination of "adjacency" usually relies on topological relationships and buffer analysis, and determining a shared boundary requires the boundary lines of two polygons to coincide within a tolerance, which is often set according to data precision (for example, 1 meter or 3 meters).66% similarUnverifiedCounty parcel boundary data is maintained by each county's assessor's office or GIS department, with wide variation in format and precision; some counties provide only scanned maps or low-precision line maps56% similarUnverified难抵极点（Pole of Inaccessibility）指某个区域内距离所有边界（如海岸线、道路、水源等）最远的点54% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1053366API
curl https://kongchang.com/api/v1/knowledge/claims/1053366MCP
get_claim(id=1053366)