47 lines
1.4 KiB
R
Executable File
47 lines
1.4 KiB
R
Executable File
# Spatial Data Reallocation algorithm for FIGIS
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inputFile <- "statistics.xml"
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outputFile <- "spread_statistics.csv"
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#package needs
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require(rsdmx)
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require(RFigisGeo)
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#business logic
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#-------------
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print(Sys.time())
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#read stats
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print("Reading SDMX stat data ...")
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sdmx <- readSDMX(inputFile, isURL = FALSE) # here isURL = FALSE because SM seems to download inputFile from URL
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statistics <- as.data.frame(sdmx)
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print(head(statistics))
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#read intersections
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print("Reading intersection...")
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intersectionURL <- paste("http://www.fao.org/figis/geoserver/GeoRelationship/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=GeoRelationship:", inputIntersection, sep = "")
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intersections <- readWFS(intersectionURL)
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if(class(intersections) == "SpatialPolygonsDataFrame") intersections <- intersections@data
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targetAreaField <- unlist(strsplit(inputIntersection,"_x_"))[1]
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aggregateField <- NULL
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print(includeCalculations)
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if(!includeCalculations){
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aggregateField <- unlist(strsplit(inputIntersection,"_x_"))[2]
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}
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#reallocation
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result <- reallocate(
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x = statistics,
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y = intersections,
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area.x = refAreaField,
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area.y = targetAreaField,
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by.x = NULL,
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by.y = NULL,
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data = statField,
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warea = "INT_AREA",
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wprob = NULL,
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aggregates = aggregateField
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)
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write.table(result, outputFile, row.names = FALSE, col.names = TRUE, sep=",", dec=".")
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print(Sys.time()) |