plotquad - Draws polygons over images.

       The Astrometry.net team. Principal investigators are David W. Hogg (NYU) and Dustin Lang (CMU).

       plotquad - Draws polygons over images.

-Ifile
              Input image (PPM format) to plot over.

       -p     Input image is PNG format, not PPM.

       -P     Write PPM output instead of PNG.

       -Ccolor
              Color  to  plot  in  (default:  white): darkred, red, darkgreen, green, blue, verydarkblue, white,
              black, cyan, magenta, yellow, brightred, skyblue, orange, gray, darkgray

       -bcolor
              Draw in color behind each line.

       -c     Also plot a circle at each vertex.

       -Wwidth
              Width of output image.

       -Hheight
              Height of output image.

       -wwidth
              Width of lines to draw (default: 5).

       -R     Read quads from stdin.

       -oopacity
              Opacity.

       -ddim Dimension of "quad".

       -sscale
              Scale quad coordinates before plotting.

       -mfile
              Get quad from match file. OR  x1y1x2y2x3y3x4y4 [...]

http://astrometry.net

0.56                                                July 2015                                        PLOTQUAD(1)

plotquad [options] quads  > output.png