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Uchambuzi wa Eneo la Huduma×Uchanganuzi wa Njia ya Gharama Chini / Umbali wa Gharama×Mifumo ya Ugawaji-Mahali×
NyanjaUchanganuzi wa KimaeneoUchanganuzi wa KimaeneoUchanganuzi wa Kimaeneo
FamiliaProcess / pipelineProcess / pipelineProcess / pipeline
Mwaka wa asili200119941963
MwanzilishiHarvey Miller & Shih-Lung ShawEdsger Dijkstra (shortest path); GIS cost-surface adaptationLeon Cooper; S. L. Hakimi
AinaNetwork GIS pipelineRaster cost-surface routingSpatial facility-location optimization
Chanzo asiliaMiller, H. J., & Shaw, S.-L. (2001). Geographic Information Systems for Transportation: Principles and Applications. Oxford University Press. ISBN: 978-0-19-512394-4Dijkstra, E. W. (1959). A note on two problems in connexion with graphs. Numerische Mathematik, 1(1), 269–271. DOI ↗Cooper, L. (1963). Location-allocation problems. Operations Research, 11(3), 331–343. DOI ↗
Majina mbadalaIsochrone Analysis, Network Catchment Area Analysis, Travel-Time Polygon Analysis, Hizmet Alanı Analizicost-distance analysis, accumulated cost surface, least-cost corridor, en düşük maliyetli yolfacility location, p-median problem, maximal covering location problem, yer-tahsis modelleri
Zinazohusiana334
MuhtasariService 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.Location-allocation models decide where to place a set of facilities and simultaneously assign demand points to them so as to optimize an objective such as total travel cost, worst-case distance, or population covered. Rooted in the operations-research work of Cooper (1963) and Hakimi (1964) and central to network GIS, they answer questions like where to site warehouses, hospitals, fire stations, or schools to best serve a spatially distributed population.
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ScholarGateLinganisha mbinu: Service Area Analysis · Least-Cost Path · Location-Allocation. Imepatikana 2026-06-19 kutoka https://scholargate.app/sw/compare