def crystal_image(crystal):
C = make_tableaux_crystal(crystal)
from sage.all import tmp_dir
d = tmp_dir()
import os
filename = os.path.join(d, "crystal.png")
try:
from sage.misc.latex import png
png(C, filename, debug=True, pdflatex=True)
image_data = open(filename, "rb").read()
response = make_response(image_data)
response.headers["Content-Type"] = "image/png"
return response
except IOError:
return "internal error rendering graph", 500
finally:
# Get rid of the temporary directory
import shutil
shutil.rmtree(d)
def qasm_png(s, outfile=None, res=150, verbose=False):
"""
INPUT:
s -- input string that describes QASM diagram
res -- output resolution
outfile -- None or a filename
"""
global n
if outfile is None:
outfile = "%s.png"%n
n += 1
E = "%s/local/lib/qasm"%SAGE_ROOT
if not os.path.exists(E):
raise RuntimeError, "the optional qasm package is not installed"
D = tmp_dir()
open('%s/input.qasm'%D,'w').write(s)
shutil.copy('%s/xyqcirc.tex'%E, '%s/xyqcirc.tex'%D)
cmd = 'cd "%s" && python "%s/qasm2tex.py" input.qasm > input.tex && latex \\\\nonstopmode \\\\input input.tex && dvipng -D%s input.dvi -o input.png'%(D, E, res)
if verbose:
print cmd
r = os.popen(cmd).read()
if verbose:
print r
if not os.path.exists(D + '/input.png'):
raise RuntimeError, r + '\n Error running qasm'
shutil.copy(D+'/input.png', outfile)
shutil.rmtree(D, ignore_errors=True)
def crystal_image(crystal):
C = make_tableaux_crystal(crystal)
from sage.all import tmp_dir
d = tmp_dir()
import os
filename = os.path.join(d, 'crystal.png')
try:
from sage.misc.latex import png
png(C, filename, debug=True, pdflatex=True)
image_data = open(filename, 'rb').read()
response = make_response(image_data)
response.headers['Content-Type'] = 'image/png'
return response
except IOError:
return "internal error rendering graph", 500
finally:
# Get rid of the temporary directory
import shutil
shutil.rmtree(d)
