2013

32 Bits (24 Bits + Alpha) Creates a 24 bit color image that includes an 8 bit
alpha channel. Alpha is a type of data, found in 32-bit image files, that assigns
transparency to the pixels in the image.
Compressed
Applies lossless compression to the file.
Dots Per Inch
Sets the dots per inch (dpi) for the saved image. This setting does not change
the resolution of the final image, but can affect the way it prints in documents.
See also:
Save a Rendered Image
JPEG Image Options Dialog Box
Options used when saving a rendering to a JPEG image file.
Summary
When JPG is chosen as the output format, the JPEG Image Options dialog box
is displayed.
List of Options
The following options are displayed.
Image Control
Quality Sets the level of quality: the higher the quality, the larger the file size.
In general, files compressed with the slider set to Best have compression ratios
between 5:1 and 15:1.
File Size Sets the size of file you want: the larger the file, the higher the quality.
See also:
Save a Rendered Image
PNG Image Options Dialog Box
Options used when saving a rendering to a PNG image file.
R Commands | 901