def init_frame(self, n):
"""
NOTE: this is called from the IIS_RequestHandler
"""
self.logger.debug("initializing frame %d" % (n))
# create the frame, if needed
try:
fb = self.get_frame(n)
except KeyError:
fb = iis.framebuffer()
self.fb[n] = fb
fb.width = None
fb.height = None
fb.wcs = ''
fb.image = None
fb.bitmap = None
fb.zoom = 1.0
fb.buffer = array.array('B')
fb.ct = iis.coord_tran()
#fb.chname = None
return fb
def init_frame(self, n):
"""
NOTE: this is called from the IIS_RequestHandler
"""
self.logger.debug("initializing frame %d" % (n))
# create the frame, if needed
try:
fb = self.get_frame(n)
except KeyError:
fb = iis.framebuffer()
self.fb[n] = fb
fb.width = None
fb.height = None
fb.wcs = ''
fb.image = None
fb.bitmap = None
fb.zoom = 1.0
fb.buffer = array.array('B')
fb.ct = iis.coord_tran()
#fb.chname = None
return fb
def new_image_cb(self, fitsimage, image, chinfo):
# check if this is an image we received from IRAF or
# one that was loaded locally.
ct = image.get('ct', None)
if ct != None:
# This image was sent by IRAF--we don't need to
# construct extra fb information for it
return
n = self.channel_to_frame(chinfo.name)
if n == None:
return
self.logger.debug("new image, frame is %d" % (n))
fb = self.get_frame(n)
#image = fitsimage.get_image()
newpath = image.get('path', 'NO_PATH')
host = socket.getfqdn()
newhost = image.get('host', host)
# protocol has a bizarre 16-char limit on hostname
newhost = newhost[:16]
# this is just a placeholder so that IIS_RequestHandler will
# report something in this buffer
fb.buffer = array.array('B', ' ')
# Update IRAF "wcs" info so that IRAF can load this image
#print "filling wcs info"
fb.ct = iis.coord_tran()
image.set(ct=ct)
# iis version 1 data
fb.ct.valid = 1
fb.ct.a = 1
fb.ct.b = 0
fb.ct.c = 0
fb.ct.d = 1
fb.ct.tx = 0
fb.ct.ty = 0
fb.ct.z1 = 0
fb.ct.z2 = 1
fb.ct.zt = iis.W_UNITARY
fb.ct.format = ''
fb.ct.imtitle = ''
# iis version 1+ data
fb.ct.region = 'image'
#x1, y1, x2, y2 = fitsimage.get_datarect()
#wd, ht = x2-x1, y2-y1
#x1, y1, x2, y2 = x1+1, y1+1, x2+1, y2+1
#fb.ct.sx, fb.ct.sy = float(x1), float(y1)
wd, ht = image.get_size()
fb.ct.sx, fb.ct.sy = float(1), float(1)
fb.ct.snx, fb.ct.sny = wd, ht
fb.ct.dx, fb.ct.dy = 1, 1
fb.ct.dnx, fb.ct.dny = wd, ht
# ref
newref = "!".join([newhost, newpath])
fb.ct.ref = newref
# TODO: we shouldn't have to know about this here...
if (fb and fb.ct.a != None):
wcs = "%s\n%f %f %f %f %f %f %f %f %d\n" % (
fb.ct.imtitle, fb.ct.a, fb.ct.b, fb.ct.c, fb.ct.d, fb.ct.tx,
fb.ct.ty, fb.ct.z1, fb.ct.z2, fb.ct.zt)
else:
wcs = "[NOSUCHWCS]\n"
if (fb and fb.ct.sx != None):
mapping = "%s %f %f %d %d %d %d %d %d\n%s\n" % (
fb.ct.region, fb.ct.sx, fb.ct.sy, fb.ct.snx, fb.ct.sny,
fb.ct.dx, fb.ct.dy, fb.ct.dnx, fb.ct.dny, fb.ct.ref)
else:
mapping = ""
fb.wcs = wcs + mapping
def new_image_cb(self, fitsimage, image, chinfo):
if not self.gui_up:
return
# check if this is an image we received from IRAF or
# one that was loaded locally.
ct = image.get('ct', None)
if ct != None:
# This image was sent by IRAF--we don't need to
# construct extra fb information for it
return
n = self.channel_to_frame(chinfo.name)
if n == None:
return
self.logger.debug("new image, frame is %d" % (n))
fb = self.get_frame(n)
#image = fitsimage.get_image()
newpath = image.get('path', 'NO_PATH')
host = socket.getfqdn()
newhost = image.get('host', host)
# protocol has a bizarre 16-char limit on hostname
newhost = newhost[:16]
# this is just a placeholder so that IIS_RequestHandler will
# report something in this buffer
fb.buffer = array.array('B', ' ')
# Update IRAF "wcs" info so that IRAF can load this image
#print "filling wcs info"
fb.ct = iis.coord_tran()
image.set(ct=ct)
# iis version 1 data
fb.ct.valid = 1
fb.ct.a = 1
fb.ct.b = 0
fb.ct.c = 0
fb.ct.d = 1
fb.ct.tx = 0
fb.ct.ty = 0
fb.ct.z1 = 0
fb.ct.z2 = 1
fb.ct.zt = iis.W_UNITARY
fb.ct.format = ''
fb.ct.imtitle = ''
# iis version 1+ data
fb.ct.region = 'image'
#x1, y1, x2, y2 = fitsimage.get_datarect()
#wd, ht = x2-x1, y2-y1
#x1, y1, x2, y2 = x1+1, y1+1, x2+1, y2+1
#fb.ct.sx, fb.ct.sy = float(x1), float(y1)
wd, ht = image.get_size()
fb.ct.sx, fb.ct.sy = float(1), float(1)
fb.ct.snx, fb.ct.sny = wd, ht
fb.ct.dx, fb.ct.dy = 1, 1
fb.ct.dnx, fb.ct.dny = wd, ht
# ref
newref = "!".join([newhost, newpath])
fb.ct.ref = newref
# TODO: we shouldn't have to know about this here...
if (fb and fb.ct.a != None):
wcs = "%s\n%f %f %f %f %f %f %f %f %d\n" % (
fb.ct.imtitle, fb.ct.a, fb.ct.b, fb.ct.c, fb.ct.d,
fb.ct.tx, fb.ct.ty, fb.ct.z1, fb.ct.z2, fb.ct.zt)
else:
wcs = "[NOSUCHWCS]\n"
if (fb and fb.ct.sx != None):
mapping = "%s %f %f %d %d %d %d %d %d\n%s\n" % (
fb.ct.region, fb.ct.sx, fb.ct.sy, fb.ct.snx, fb.ct.sny,
fb.ct.dx, fb.ct.dy, fb.ct.dnx, fb.ct.dny, fb.ct.ref)
else:
mapping = ""
fb.wcs = wcs + mapping
