def getDevice(self, device=None):
"""Starting with stdgraph, drill until a device is found in
the graphcap or isn't"""
if not device:
device = iraf.envget("stdgraph","")
graphcap = getGraphcap()
# protect against circular definitions
devstr = device
tried = {devstr: None}
while not graphcap.has_key(devstr):
pdevstr = devstr
devstr = iraf.envget(pdevstr,"")
if not devstr:
raise iraf.IrafError(
"No entry found for specified stdgraph device `%s'" %
device)
elif tried.has_key(devstr):
# track back through circular definition
s = [devstr]
next = pdevstr
while next and (next != devstr):
s.append(next)
next = tried[next]
if next: s.append(next)
s.reverse()
raise iraf.IrafError(
"Circular definition in graphcap for device\n%s"
% (string.join(s,' -> '),))
else:
tried[devstr] = pdevstr
return devstr
def printPlot(window=None):
"""Print contents of window (default active window) to stdplot
window must be a GkiKernel object (with a gkibuffer attribute.)
"""
if window is None:
window = gwm.getActiveGraphicsWindow()
if window is None: return
gkibuff = window.gkibuffer.get()
if gkibuff:
graphcap = getGraphcap()
stdplot = iraf.envget('stdplot','')
if not stdplot:
msg = "No hardcopy device defined in stdplot"
elif not graphcap.has_key(stdplot):
msg = "Unknown hardcopy device stdplot=`%s'" % stdplot
else:
printer = gkiiraf.GkiIrafKernel(stdplot)
printer.append(gkibuff)
printer.flush()
msg = "snap completed"
stdout = kernel.getStdout(default=sys.stdout)
stdout.write("%s\n" % msg)
