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574 appendix cFigure C.5 Left: The AutoAxes Configuration window brought up as an Option from the VisualProgram Editor. Right: The final image with axes and labels..general file that you created previously appears under Value. If not, enterit by hand. In our case it has the name "/home/mpaez/numer.general".Next press the Apply button and then OK to close the window.h. Return to the Visual Program Editor. On the menu across the top, pressExecute/Execute Once, and an image (Figure C.4 left) should appear.8. Manipulating the image: Try grabbing and rotating the image with themouse. If that does not work, you need to tell DX what you want:a. From the menu at the top of the Image window select Options; in thedrop-down window select Mode; in the next drop-down window selectRotate. For instance, the rather flat-looking image on the left in Figure C.4acquires depth when rotated to the image on the right.b. Again select Options from the Image window’s menu (Figure C.5 left), butthis time select AutoAxes from the drop-down window. In the new windowkey in Position in the X space and Time in the Y space. Press Apply/OK, andan image (Figure C.5 right) should appear.c. Now that you have the image you desire, you need to save it. From theFile menu of the Image window, select Save Image. A pop-up windowappears, from which you select Format, then the format you desire for theimage, then the Output file name, and finally Apply.d. You want to ensure that the visual program is saved (in addition to thedata file). In the Image window select File/Save Program As (we selectedShock2.net).9. Improved scale: Often the effectiveness of a surface plot like Figure C.5 canbe improved by emphasizing the height variation of the surface. The heightis changed in DX by changing the scale:a. Go to the Visual Program Editor, select Rendering/scale (Figure C.6 right).Place the Scale icon between the RubberSheet and Image icons andconnect.b. Double-click the Image icon, and a Scale window opens (Figure C.6 right).−101COPYRIGHT 2008, PRINCET O N UNIVE R S I T Y P R E S SEVALUATION COPY ONLY. NOT FOR USE IN COURSES.ALLpup_06.04 — 2008/2/15 — Page 574