+ if ((current=="--help") || (current=="-h")) {
+ std::cout << "vv " << VV_VERSION << ", the 2D, 2D+t, 3D and 3D+t (or 4D) image viewer" << std::endl << std::endl
+ << "Synopsis: vv file(s) [OPTIONS] file(s)" << std::endl << std::endl
+ << "Open file(s) for visualization." << std::endl << std::endl
+ << "OPTIONS may be:" << std::endl
+ << "--help \t Print command line help and exit." << std::endl
+ << "--window number\t Gray scale window width for set of images appearing before in the cmd line (may appear more than once)." << std::endl
+ << "--level number \t Gray scale window level for set of images appearing before in the cmd line (may appear more than once)." << std::endl
+ << "--linkall \t Link pan, zoom and spatial position of crosshair in images." << std::endl
+ << "--log \t Log output messages in vv-log directory." << std::endl
+ << "--state file \t Read display parameters from file." << std::endl
+ << "--sequence file\t Read all file(s) until next option in a single temporal sequence." << std::endl
+ << std::endl
+ << "These last options must follow a file name since they overlay something on an image:" << std::endl
+ << "--vf file \t Overlay the vector field in file." << std::endl
+ << "--overlay [--sequence] file(s) \t Overlay the image in file with complementary colors." << std::endl
+ << "--fusion [--sequence] file(s) \t Overlay the image in file with alpha blending and colormap." << std::endl
+ //<< "--roi file \t Overlay binary mask images. Option may be repeated on a single base image." << std::endl
+ << "--contour file \t Overlay DICOM RT-STRUCT contours." << std::endl
+ << "--landmarks [--sequence] file(s) \t Overlay the landmarks in file(s) (.txt or .pts)." << std::endl;
+ exit(0);
+ } else if (current=="--vf") {