Conversion Server

All of Visual Integrity’s products are built upon the same framework. Some are scaled for enterprise use and some are packaged for ease-of-use on a Windows desktop. No matter which product you use, it is built upon our proven and reliable engine, a framework which has withstood the demands of many of the world’s most respected companies for more than 20 years.


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No, neither Acrobat nor GhostScript are required. All of our products are standalone tools, completely self-contained, and based on our powerful engine developed, improved and extended over almost two decades. Our products are not based on print drivers as brokers so the conversions are more pure and accurate. Everything that you need to run them on your desktop or to use them for you development is included in your delivery download.

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If you are using a desktop product, there is a Help file included with the software. Just click on the Help button found in the bottom right corner of the software dialog. A new screen will open, with a table of content for all the available topics. You can expand the outline to find the section on Conversion Options or search the index using the Find command. Depending on which product you are using, there will be General Options, Page Options, Size Options and Format Specific Options.

For Developers – In the “docs” directory of the Conversion SDK installation, each option is explained in “options flysdk.pdf”. In addition to the description, for each option, the corresponding API function is listed.

For example:

rotate(0) STDAPI VgRotate(INT rotate)

rotate(0)               Rotate the drawing using the angle specified. Default = 0, no rotation.


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FLY Batch is for process automation, integration and server-side automation. The powerful batch executable allows you to invoke the DLL engine via the command line. The functionality is embedded in the standard PDF FLY and META FLY downloads for evaluation.

In order to enable the batch conversion engine for use via the command-line, you must add the installation path for the software to your %path% variable. This can be done via the Control Panel -> System -> Advanced->Environment
%path% variable

By default PDF FLY is installed in C:/Program Files/Visual Integrity/PDF FLY
This installation path must be added to the %path% directory.
On the command line you can do this by:
Set path=%path%;”C:/Program Files/Visual Integrity/PDF FLY v__” (fill in version number)

FLY Batch for PDF and PostScript (Adobe PostScript, EPS and PDF input)

  • To convert PDF files, run pdf2xxx. Settings for pdf2xxx are defined in the pdf2xxx.ini file.
  • To convert PS or EPS files, run ps2xxx. Settings for ps2xxx are defined in the ps2xxx.ini file.

FLY Batch for Metafiles (WMF and EMF input)

  • To convert WMF files, run wmf2xxx. Settings for wmf2xxx are defined in the wmf2xxx.ini file.
  • To convert EMF files, run emf2xxx. Settings for emf2xxx are defined in the emf2xxx.ini file.

General Usage:

  • See the “options” PDF file for an overview of the variables and their use. You can open and edit the .ini files with a text editor like Notepad. The pdf2xxx.ini file is used for PDF and the ps2xxx.ini file is used for PostScript and EPS.
  • The extension of your source file determines which conversion filter will be invoked.

So, for example, to convert myfile.eps to myfile.svg run: ps2xxx myfile.eps myfile.svg.

To convert myfile.wmf to yourfile.jpg run: wmf2xxx myfile.wmf yourfile.jpg.

To convert foo.pdf to for example foo.gif run: pdf2xxx foo.pdf foo.gif

Need help? Call us or email

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pdf2cad will convert a “batch” of files when requested by the user. It’s as easy to convert an entire directory of files as it is to convert one file. That said, sometimes, companies want to use a watch folder or use scripts to automate conversion. When this is required, you’ll want to use FLY Batch. PDF to DXF is one of the modules in FLY Batch, a command line driven batch conversion engine that’s easily scripted for automated, central, high-volume or real-time processing. It runs on Windows, Mac, Linux and UNIX platforms.

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For fonts to appear correctly in a vector output file, the same font with the same naming convention must be on both systems. Sometimes, any mismatch can be resolved through font mapping. If you need support on adding fonts to your environment please contact Custom font mapping is available as a service but is not covered by the standard Advantage Support Subscription.

By default the fontname used in the PostScript or PDF file is used also as fontname in the vector output file. Using the Font Mapping dialog you can change this by creating a mapping between the original fontname and the fontname you want to use in the vector output file.

Fonts are not embedded in the vector output formats. Most of the vector output formats do not support embedding of font data.

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It is easy it is to create a PostScript file from virtually any application on a PC. Most PC’s are likely to have a PostScript printer driver configured in its printers settings. If not, you must Install a PostScript Printer Driver before going any further.

  1. Open your file within your application and then select “File…”, “Print”
  2. Choose your PostScript printer. Note that you can use any PostScript driver included with Microsoft Windows without having the actual printer since you will simply be printing to a file.
  3. Press “OK”  to print to file. Note that the PostScript tab under Properties should be set to Encapsulated PostScript (EPS) for best results.
  4. You will be prompted for a file name and location. If you do not assign .ps as the extension, the default in Windows will be .PRN. Both are valid input extensions.
  5. Open your Visual Integrity software and when prompted for a PostScript file to convert, go to the location chosen in Step 4 and select the new .ps or .prn file for conversion.


  • The extension does not matter – Some systems give printer files a default extension, like .prn or .plt. This does not matter. If the file has been created using a PostScript printer driven, the result will be a PostScript file that Visual Integrity software can convert.
  • Watch out for PCL: Most HP printers use a printer language called PCL. The default mode on HP PostScript printers is usually PCL. PCL can not be converted by TGC. Be sure that your HP printer is in PostScript mode to ensure a successful conversion.
  • Save directly as PostScript or EPS files – Many applications allow you to save your files as PS or EPS through their “Save as…” menu. A few even produce PostScript by default. This results in good input for our conversion engine.
  • Fonts – Try to use standard PostScript fonts like Helvetica and Times New Roman. Non-PostScript fonts, such as Type 1 fonts and TrueType fonts should be embedded so that the text data is available in the PostScript file. This gives our software the best chance to preserve the fonts during conversion.

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The font glyphs of the 13 standard PostScript fonts are included.

If you need to convert to an image format or the text to curves/polys (= emulate) in a vector format either the font must be one of the 13 standard fonts or the font should be embedded within the PDF or PostScript file. Contact if you want to add font glyphs.

13 Standard PostScript fonts:

  • Courier (Regular, Oblique, Bold, Bold Oblique)
  • Helvetica (Regular, Oblique, Bold, Bold Oblique)
  • Times (Roman, Italic, Bold, Bold Italic)
  • Symbol

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