fiff_read_hpi_result.m
e5f5005bb2efmaster

fiff_read_hpi_result.m
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			function [ res ] = fiff_read_hpi_result(name)

			%
			% [ res ] = fiff_read_hpi_result(name)
			%
			% Read the HPI result block from a measurement file
			%



			global FIFF;
			if isempty(FIFF)
			FIFF = fiff_define_constants();
			end

			me='MNE:fiff_read_hpi_result';

			if nargin ~= 1
			error(me,'Incorrect number of arguments');
			end

			[ fid, tree ] = fiff_open(name);

			hpi = fiff_dir_tree_find(tree,FIFF.FIFFB_HPI_RESULT);

			k = 0;
			for p = 1:hpi.nent
			kind = hpi.dir(p).kind;
			pos = hpi.dir(p).pos;
			switch kind
			case FIFF.FIFF_DIG_POINT
			k = k + 1;
			tag = fiff_read_tag(fid,pos);
			res.dig(k) = tag.data;
			res.dig(k).coord_frame = FIFF.FIFFV_COORD_DEVICE;
			case FIFF.FIFF_HPI_DIGITIZATION_ORDER
			tag = fiff_read_tag(fid,pos);
			res.dig_order = tag.data;
			case FIFF.FIFF_HPI_FIT_GOODNESS
			tag = fiff_read_tag(fid,pos);
			res.goodness = tag.data;
			case FIFF.FIFF_HPI_COILS_USED
			tag = fiff_read_tag(fid,pos);
			res.used = tag.data;
			case FIFF.FIFF_HPI_FIT_GOOD_LIMIT
			tag = fiff_read_tag(fid,pos);
			res.accept_limit = tag.data;
			case FIFF.FIFF_HPI_FIT_DIST_LIMIT
			tag = fiff_read_tag(fid,pos);
			res.dist_limit = tag.data;
			case FIFF.FIFF_HPI_FIT_ACCEPT
			tag = fiff_read_tag(fid,pos);
			res.accepted = tag.data;
			case FIFF.FIFF_HPI_COIL_MOMENTS
			tag = fiff_read_tag(fid,pos);
			res.moments = tag.data;
			case FIFF.FIFF_COORD_TRANS
			tag = fiff_read_tag(fid,pos);
			res.trans = tag.data;
			end
			end
			res.coord_frame = FIFF.FIFFV_COORD_DEVICE;

			fclose(fid);

			return;

			end