Chapters: 1: Introduction 2: Simple example 3: Invocation 4: Finer Control 5: X-Y Plots 6: Contour Plots 7: Image Plots 8: Examples 9: Gri Commands 10: Programming 11: Environment 12: Emacs Mode 13: History 14: Installation 15: Gri Bugs 16: Test Suite 17: Gri in Press 18: Acknowledgments 19: License Indices: Concepts Commands Variables | ## 8.4: Combination of image and contour The following example reads gridded data and creates an image as in the previous example, but also superimposes unlabelled white contour lines. (In the plot shown, all ``query`' questions were answered with carriage return, yielding the defaults; the ``-p`' flag was specified on execution, so the time stamp was not drawn.) The command-file. A color version of this is possible using ``set image colorscale`' as shown here: The command-file.