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| Analisis Area Layanan× | Jalur Biaya Terendah / Analisis Jarak Biaya× | |
|---|---|---|
| Bidang | Analisis Spasial | Analisis Spasial |
| Keluarga | Process / pipeline | Process / pipeline |
| Tahun asal≠ | 2001 | 1994 |
| Pencetus≠ | Harvey Miller & Shih-Lung Shaw | Edsger Dijkstra (shortest path); GIS cost-surface adaptation |
| Tipe≠ | Network GIS pipeline | Raster cost-surface routing |
| Sumber perintis≠ | Miller, H. J., & Shaw, S.-L. (2001). Geographic Information Systems for Transportation: Principles and Applications. Oxford University Press. ISBN: 978-0-19-512394-4 | Dijkstra, E. W. (1959). A note on two problems in connexion with graphs. Numerische Mathematik, 1(1), 269–271. DOI ↗ |
| Alias | Isochrone Analysis, Network Catchment Area Analysis, Travel-Time Polygon Analysis, Hizmet Alanı Analizi | cost-distance analysis, accumulated cost surface, least-cost corridor, en düşük maliyetli yol |
| Terkait | 3 | 3 |
| Ringkasan≠ | Service Area Analysis delineates the geographic region reachable from one or more origin facilities within a specified travel cost — typically time, distance, or generalized impedance — by traversing a real road or transit network. It is widely used by urban planners, public health officials, logistics managers, and emergency response coordinators who need to understand actual accessibility rather than simple straight-line buffers. | Least-cost path analysis finds the route between two locations that minimizes accumulated travel cost across a landscape, rather than minimizing straight-line distance. By encoding terrain, slope, land cover, and other frictions into a cost surface and accumulating cost outward from a source, it identifies optimal corridors for roads, pipelines, trails, power lines, and wildlife movement — a core raster-GIS technique built on Dijkstra's shortest-path logic. |
| ScholarGateSet data ↗ |
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