This is the command plotquad that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
plotquad - Draws polygons over images.
SYNOPSIS
plotquad [options] quads > output.png
OPTIONS
-I file
Input image (PPM format) to plot over.
-p Input image is PNG format, not PPM.
-P Write PPM output instead of PNG.
-C color
Color to plot in (default: white): darkred, red, darkgreen, green, blue,
verydarkblue, white, black, cyan, magenta, yellow, brightred, skyblue, orange,
gray, darkgray
-b color
Draw in color behind each line.
-c Also plot a circle at each vertex.
-W width
Width of output image.
-H height
Height of output image.
-w width
Width of lines to draw (default: 5).
-R Read quads from stdin.
-o opacity
Opacity.
-d dim Dimension of "quad".
-s scale
Scale quad coordinates before plotting.
-m file
Get quad from match file. OR x1 y1 x2 y2 x3 y3 x4 y4 [...]
Use plotquad online using onworks.net services