Write XML tree to a gifti file.

gifti_xml_write(filepath, xmltree, options = c("as_xml", "format"))

Arguments

filepath	path to the output gifti file
xmltree	XML tree from xml2
options	output options passed to `write_xml`.

References

https://www.nitrc.org/frs/download.php/2871/GIFTI_Surface_Format.pdf

Examples

  outfile = tempfile(fileext = '.gii');
  my_data_sets = list(rep(3.1, 3L), matrix(seq(6)+0.1, nrow=2L));
  xmltree = gifti_xml(my_data_sets, datatype='NIFTI_TYPE_FLOAT32');
  # Here we add global metadata:
  xmltree = gifti_xml_add_global_metadata(xmltree, list("User"="Me", "Day"="Monday"));
  # Validating your XML never hurts
  gifti_xsd = "https://www.nitrc.org/frs/download.php/158/gifti.xsd";
  xml2::xml_validate(xmltree, xml2::read_xml(gifti_xsd));
#> [1] TRUE
#> attr(,"errors")
#> character(0)
  gifti_xml_write(outfile, xmltree);  # Write your custom tree to a file.