#!F-adobe-helvetica-medium-r-normal--18* #!N #!CSeaGreen #!N #!Rall611 Documentation #!N #!EC #!N #!N When you author a visual program or create a macro (a special kind of visual program, discussed in #!Lcremac,dxall436 h Creating Macros #!EL ), you should describe its function using the Comment capability (found on the #!F-adobe-times-bold-r-normal--18* Edit #!EF menu in the VPE). This Comment will be viewable by other users (or yourself) when they run your visual program and choose the Help menu item #!F-adobe-times-bold-r-normal--18* Application Comment #!EF . #!N #!N Another brief kind of documentation is available in each module. Double-click a module, and its default name is shown in the "Notation" box at the top of the module description dialog box. You can add to or change this notation. This is particularly helpful in Compute modules to describe the meaning of the expression, for example, "square root of pressure per cubic inch." And any time you do something "tricky" with a module, enter a note to yourself in the Notation box for later reference. #!N #!N Compute also offers a useful way to document the terms of an expression. Each input to Compute can be given a meaningful name (the default names are simply a and b). If you like, you can change the input letter names to words, like "pressure" and "scale," then use an expression like sqrt(pressure / scale) * 0.5. You may add more inputs to Compute by simply pressing #!F-adobe-times-bold-r-normal--18* Ctrl+A #!EF when you have selected the Compute module. #!N #!N You can also add annotation text directly to the canvas using the #!F-adobe-times-bold-r-normal--18* Add Annotation #!EF option of the Edit menu of the VPE (see #!Lvpeanot,dxall355 h Adding Annotation to a Visual Program #!EL ). And you can segment your visual program with pages (see #!Lvpepage,dxall356 h Creating pages in the VPE #!EL ). #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Lall612,dxall613 h Design for Video Output #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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