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https://github.com/kidwellj/hacking_religion_cookbook.git
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25 lines
1 KiB
R
25 lines
1 KiB
R
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require(sqldf) # using sqldf to filter while loading very large data sets
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require(data.table)
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require(sf) # new simplefeature data class, supercedes sp in many ways, also includes gdal functions
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# setup workspace
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setwd("/Users/kidwellj/gits/mapping_worship")
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if (dir.exists("data") == FALSE) {
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dir.create("data")}
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# Import filtered geojson files
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# Note: preferred option here is to use R package osmdata, but the server loads generated by this extraction are too high and cause timeouts.
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# Processing data outside R using osmium for now: https://github.com/mapcomm/cookbook/blob/master/osm_extracts/osm_extract_pow_osmium_uk.sh
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osm_uk_points <- st_read(system.file("pow_osm.gpkg", package = "spData"))
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vector_filepath = system.file("data/osm-gb-2018Aug29_pow_osm.pbf", package = "sf")
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osm_uk_points = st_read(vector_filepath)
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rbind(osm_uk_points, ___)
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# Processing handled outside R for now in QGIS
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# Command for identifying candidates in OSM raw csv files: grep -E 'Masjid|islamic|muslim|mosque|Madrasah|Imam' *|wc -l
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