Write_4dfp_ifh.m

function Write_4dfp_ifh(ifh_info)
	
	Dots = find(ifh_info.name_of_data_file == '.');
	
	ifh_filename = [ifh_info.name_of_data_file(1:Dots(length(Dots))) 'ifh'];
	
	disp(sprintf('Writting %s...',ifh_filename));
	
	% write ifh
	fidifh=fopen(ifh_filename,'w');
	fprintf(fidifh,['INTERFILE       := ' ifh_info.INTERFILE '\n']);
	fprintf(fidifh,['version of keys := ' num2str(ifh_info.version_of_keys) '\n']);
	fprintf(fidifh,['number format           := ' ifh_info.number_format '\n']);
	fprintf(fidifh,['conversion program      := Write_4dfp_img.m\n']);
	fprintf(fidifh,['name of data file       := ' ifh_info.name_of_data_file '\n']);
	fprintf(fidifh,['number of bytes per pixel       := ' num2str(ifh_info.number_of_bytes_per_pixel) '\n']);
	fprintf(fidifh,['imagedata byte order    := ' ifh_info.imagedata_byte_order '\n']);
	fprintf(fidifh,['orientation             := ' num2str(ifh_info.orientation) '\n']);
	fprintf(fidifh,['number of dimensions    := ' num2str(ifh_info.number_of_dimensions) '\n']);
	fprintf(fidifh,['matrix size [1] := ' num2str(ifh_info.matrix_size(1)) '\n']);
	fprintf(fidifh,['matrix size [2] := ' num2str(ifh_info.matrix_size(2)) '\n']);
	fprintf(fidifh,['matrix size [3] := ' num2str(ifh_info.matrix_size(3)) '\n']);
	fprintf(fidifh,['matrix size [4] := ' num2str(ifh_info.matrix_size(4)) '\n']);
	fprintf(fidifh,['scaling factor (mm/pixel) [1]   := ' num2str(ifh_info.scaling_factor(1)) '\n']);
	fprintf(fidifh,['scaling factor (mm/pixel) [2]   := ' num2str(ifh_info.scaling_factor(2)) '\n']);
	fprintf(fidifh,['scaling factor (mm/pixel) [3]   := ' num2str(ifh_info.scaling_factor(3)) '\n']);
	if ( isfield(ifh_info,'mmppix') )
		if ( length(ifh_info.mmppix) == 3 )
			fprintf(fidifh,'mmppix  :=   %.4f  %.4f  %.4f\n',ifh_info.mmppix(1),ifh_info.mmppix(2),ifh_info.mmppix(3));
		end
	end
	
	if ( isfield(ifh_info,'center') )
		if ( length(ifh_info.center) == 3 )
			fprintf(fidifh,'center  :=   %.4f  %.4f  %.4f\n',ifh_info.center(1),ifh_info.center(2),ifh_info.center(3));
		end
	end
	
	
	if ( isfield(ifh_info,'region_names') )
		if ( isempty(ifh_info.region_names) > 0)
			for i = 1:length(ifh_info.region_names)
				fprintf(fidifh,['region names  :=    ' ifh_info.region_names(i).Region '\n']);
			end
		end
	end
	
	fclose(fidifh);
	
	status = system(['/data/nil-bluearc/raichle/lin64-tools/ifh2hdr ' ifh_filename]);
	if (status ~= 0)
		error('For some reason head file could not be created');
	end