lazfile <- system.file("extdata", "example.las", package = "rlas")
las <- read.las(lazfile)
header <- read.lasheader(lazfile)
write_path <- tempfile(fileext = ".las")
# set_epsg updates the header", {
new_header <- header_set_epsg(header, 123)
expect_equal(header_get_epsg(new_header), 123)
new_header <- header_set_epsg(new_header, 1234)
expect_equal(header_get_epsg(new_header), 1234)
# set_wkt updates the header", {
new_header <- header_set_wktcs(header, "STRING")
expect_equal(header_get_wktcs(new_header), "STRING")
expect_true(new_header[["Global Encoding"]][["WKT"]])
# write.las writes epsg code",{
new_header <- header_set_epsg(header, 26917)
write.las(write_path, new_header, las)
wlas <- read.las(write_path)
wheader <- read.lasheader(write_path)
expect_equal(las, wlas)
expect_equal(wheader[["Variable Length Records"]][["GeoKeyDirectoryTag"]][["tags"]][[2]][["value offset"]], 26917)
# write.las writes WKT string",{
new_header <- header_set_wktcs(header, "STRING \"STRING")
write.las(write_path, new_header, las)
wlas <- read.las(write_path)
wheader <- read.lasheader(write_path)
expect_equal(las, wlas)
expect_equal(wheader[["Global Encoding"]][["WKT"]], TRUE)
expect_equal(wheader[["Variable Length Records"]][["WKT OGC CS"]][["WKT OGC COORDINATE SYSTEM"]], "STRING \"STRING")
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