/** Opens all the images in the directory. */
void openAll(String[] list, FileInfo fi) {
//StringSorter.sort(list);
FolderOpener fo = new FolderOpener();
list = fo.trimFileList(list);
list = fo.sortFileList(list);
if (list==null) return;
ImageStack stack=null;
ImagePlus imp=null;
double min = Double.MAX_VALUE;
double max = -Double.MAX_VALUE;