PNG Subcommand (OUTPUT EXPORT Command)

For graphics exported as separate files in PNG format, the PNG subcommand controls settings for those graphic files.

IMAGEROOT Keyword

  • The IMAGEROOT keyword is required if you are exporting graphics only, without any document type.
  • The keyword is followed by an equals sign and a root name enclosed in quotes. The quoted root name can also include a directory path.
  • File names are generated by adding a sequential integer to the root name, starting with 0.
  • If any subcommand with a DOCUMENTFILE keyword is specified, IMAGEROOT is ignored.

PERCENTSIZE Keyword

The PERCENTSIZE keyword specifies the size of graphics as a percentage of the original size. The keyword is followed by an equals sign and a positive number that does not exceed 200. The default value is 100.

DEPTH Keyword

The DEPTH keyword controls the number of colors in the exported graphics. If the number of colors in the graphic exceeds the number of colors for that depth, the colors will be dithered to replicate the colors in the graphic. The keyword is followed by an equals sign and one of the following alternatives:

SCREEN. Current screen depth. The number of colors currently displayed on your computer monitor. This is the default.

GRAYS256. Grayscale. Colors are converted to shades of gray.

Example

OUTPUT EXPORT
  /PNG IMAGEROOT='/mydocs/mygraphic'
   PERCENT=50
   DEPTH=GRAYS256.