XV thumbnail

XV thumbnail is an image file format used by the XV image viewer for its thumbnail cache. The color format is 8 bits/pixel RGB 3-3-2.

Identification
Files begin with ASCII text " ", followed by a newline.

Note that they could easily be mis-identified as PAM format.

Specifications
The format is described in a "THUMBNAIL FILE FORMAT" comment in the xvbrowse.c file from the XV source distribution (v3.10a, at least).

Software

 * Netpbm: pamtoxvmini, xvminitoppm
 * XV