Chapter 4. Viewing Files With vstiff

Overview of vstiff

The Impressario tool vstiff lets you view Stream TIFF (STIFF) files. Stream TIFF is a subset of TIFF (Tagged Information File Format) and is based on version 6.0 of the TIFF specification.

vstiff can also be used to view other types of files:

  • If the PostScript interpreter psrip is installed on your system, vstiff automatically invokes psrip to convert a PostScript file to Stream TIFF, and then displays the file.


    Note: psrip is included with the Impressario software; however, an optional license must be purchased if you wish to use psrip.


  • If fileconvert is installed on your system, vstiff automatically invokes fileconvert to convert a file to PostScript, invokes psrip to convert the PostScript file to Stream TIFF, and then displays the file.

    vstiff also uses fileconvert to convert GIF (Graphics Interchange Format), TIFF, SGI Image, PPM, and JPEG files directly to STIFF.

The Help menu provides a variety of help topics. If you need additional help information while using vstiff, use the Help menu that appears in the tool's main window, or click the Help button that appears in any subsequent windows.

Opening a File

To display a file using vstiff:

  1. If vstiff is not already running, start it by double-clicking the launch icon. See also “Opening Impressario Tools” in Chapter 1.  

  2. Select “Open...” from the File menu.

    The Select File window appears. Select File is a standard file browsing window.

  3. Click to select the desired file from the list or enter a filename in the text field; then click OK.

  4. Use the commands in the Page menu to browse through the contents of the file.

Setting PostScript Options

vstiff offers several options for displaying a PostScript file (including any file converted to PostScript). To set these options, choose “PostScript Options...” from the file menu. The PostScript options window appears.

  • “Bits Per Color” lets you display the PostScript file in one bit, four bits, or eight bits per pixel per color.

  • “Color Space” lets you specify either black and white or color display for the PostScript file.

  • “Resolution” lets you enter the desired screen resolution for the displayed file.

  • “Force Landscape Mode” lets you display the PostScript file in landscape mode.

Click Reopen to view the file that is currently open with the new settings. Click OK to save the options you have set.

If you click OK and do not click Reopen in this window, the options apply to the next file you open; a file that is currently open is not affected. To make the options apply to the file that is currently open, choose “Reopen” from vstiff's File menu.