Coverage for local/lib/python2.7/site-packages/sage/interfaces/povray.py : 0%

r""" 

POV-Ray, The Persistence of Vision Ray Tracer 

""" 

from six import iteritems 

from sage.misc.pager import pager 

import os 

class POVRay: 

""" 

POV-Ray The Persistence of Vision Ray Tracer 

INPUT: 

- ``pov_file`` -- complete path to the .pov file you want to be rendered 

- ``outfile`` -- the filename you want to save your result to 

- ``**kwargs`` -- additionally keyword arguments you want to pass to POVRay 

OUTPUT: 

Image is written to the file you specified in outfile 

EXAMPLES: 

AUTHOR: 

Sage interface written by Yi Qiang (yqiang _atNOSPAM_ gmail.com) 

POVRay: http://www.povray.org 

""" 

def __repr__(self): 

return 'POV-Ray The Persistence of Vision Ray Tracer' 

def __call__(self, pov_file, outfile='sage.ppm', block=True, **kwargs): 

if not os.path.isfile(pov_file): 

return "%s not found" % (pov_file) 

outfile = os.path.abspath(os.path.expanduser(outfile)) 

if not('W' in kwargs and 'H' in kwargs): 

return "You must specify a width and height." 

cmd = "povray -D +FP +I%s +O%s " % (pov_file, outfile) 

for k, v in iteritems(kwargs): 

cmd += "+%s%s " % (k, v) 

if not block: 

cmd += ' &' 

os.system(cmd) 

def usage(self): 

r = os.popen('povray').read() 

pager()(r) 

povray = POVRay()