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+#' Piirkonna ruudustike leidmine
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+#'
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+#' Etteantud piirkonna geomeetrilise piirjoone ('piir') ja selle joone piirikasti ('bb') järele leitakse nende aladega kaetud 5x5 km ('epk10t_grid'), 1x1 km ('epk2t_grid') ja 100x100 meetrit ('epk02t_grid') ruudustikud. Andmed salvestatakse GPKG faili kihtidena.
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+#'
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+#' @param obj str Objekti nimi. Edaspidi on oluline ainult see nimi. Piirkonna geomeetrilist joont ei ole vaja lisada.
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+#' @param conf A list() of configuration variables. Default values \code{\link[ruut]{get_config}}.
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+#' @return Uute GPKG andmebaasi kihtide 'piir_...' ja 'bb_...' loomine.
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+#' @seealso [sf::st_read()], [sf::write_sf()],[sf::st_transform()],[ruut::pk_ruudustike_lisamine()] ,[ruut::gpkg_piirkonnale_polygoonide_lisamine()],[ruut::pk_sellest_alustame_db_loomist()],[ruut::gpkg_piirkonnale_joonte_lisamine()],[ruut::gpkg_piirkonnale_punktide_lisamine()]
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+#' @keywords GPKG, boundary box, EPSG:3301
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+#' @export
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+#' @examples
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+#' \dontrun{
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+#'
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+#' obj <- "marja"
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+#' pk_ruudustike_lisamine(obj = obj, conf = NULL)
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+#'
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+#' # Layers list.
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+#' ruut::db_schema_tablenames(conf = conf)
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+#' }
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+pk_ruudustike_lisamine <- function(obj = NULL, conf = NULL) {
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+ obj <- gsub(" ", "_", tolower(obj))
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+ ## Konfiguratsiooni muutujale väärtuste omistamine, kui seda pole antud.
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+ if (is.null(conf)) {
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+ conf <- ruut::get_config()
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+ conf$schema <- "data"
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+ conf$table <- obj
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+ }
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+ if (!any("piir" %in% ruut::db_schema_tablenames(conf = conf))) {
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+ cat("\nAndmebaas loomata. Palun funktsiooniga ruut::pk_sellest_alustame_db_loomist() andmebaasi loomist.\n")
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+ return(NULL)
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+ }
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+
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+ ## ------------- muutujad ja teisendused ---------------
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+ conn <- ruut::db_connect(conf = conf)
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+ try(piir <- sf::st_read(dsn = conn, layer = c(conf$schema, "piir")))
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+ tmp_dir <- tempdir()
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+ tmp_gpkg_file <- sprintf("%s/%s.gpkg", tmp_dir, obj)
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+ # system(sprintf("touch %s", tmp_gpkg_file))
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+ conf$gpkg_home <- tmp_dir
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+ conf$gpkg_file <- obj
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+ conf$gpkg_table <- "test_layer"
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+ tmp_gpkg_file_output <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = F)
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+ tmp_gpkg_file_input <- ruut::construct_to_gpkg_output_file_str(conf = conf, is_input_str = T)
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+ # write to gpkg
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+ sf::write_sf(piir, dsn = tmp_gpkg_file, layer = "piir", driver = "gpkg", fid_column_name = "id", delete_dsn = T)
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+ # unlink(tmp_gpkg_file)
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+
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+ ## Algorithm
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+ # ruut::qgis_algorithm_search_by_word(str = "extract")
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+ algorithm <- "native:extractbylocation"
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+ # cat(ruut::qgis_show_help(algorithm = algorithm))
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+ ## -------------------- Loop -----------------------
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+ intersect_layers <- c("bb2") # c("piir", "bb", "bb2")
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+ ruudud <- c("epk10t_grid", "epk2t_grid", "epk02t_grid") # "epk10t", "epk2t"
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+ conf$schema <- "maaamet"
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+ # ruudud <- c("epk02t_grid")
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+ for (intersect in intersect_layers) {
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+ conf$table <- intersect
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+ conf$schema <- obj
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+ intersect_layer <- ruut::construct_to_gpkg_output_postgres_str(conf = conf, geometry_type = "Polygon", srid = 3301, checkPrimaryKeyUnicity = TRUE, key = "id")
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+ for (ruut in ruudud) {
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+ conf$table <- ruut
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+ conf$schema <- "maaamet"
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+ input <- ruut::construct_to_gpkg_output_postgres_str(conf = conf, geometry_type = "MultiPolygon", checkPrimaryKeyUnicity = T, key = "id", srid = 3301)
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+ conf$table <- sprintf("%s", ruut)
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+ conf$schema <- obj
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+ output <- ruut::construct_to_gpkg_output_postgres_str(conf = conf, geometry_field = "geom", geometry_type = NULL, srid = 3301, checkPrimaryKeyUnicity = FALSE, key = "id")
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+ ## ------------------- QGIS: qgisprocess ----------------------
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+ str <- paste0("{ 'INPUT' : '", input, "', 'INTERSECT' : '", intersect_layer, "', 'OUTPUT' : '", output, "', 'PREDICATE' : [5,6] }")
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+ cmd <- ruut::construct_qgis_output_result_to_better_format(str = str, algorithm = algorithm)
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+ cat(sprintf("\n%s\n", cmd))
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+ system(cmd)
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+ }
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+ }
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+ ## Layers list
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+ ruut::db_schema_tablenames(conf = conf)
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+ sf::st_layers(dsn = tmp_gpkg_file)
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+}
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