def image(arr, newframe=False, tile=False):
if not isOpen():
doOpen()
imager = _get_win()
if newframe is True:
try:
imager.set("frame new")
imager.set("frame last")
except:
raise DS9Err('newframe')
try:
if tile is True:
imager.set("tile yes")
else:
imager.set("tile no")
except:
raise DS9Err('settile')
time.sleep(1)
try:
# pyds9 expects shape[::-1] compared to DS9.py
# therefore transpose the image before sending
arr = numpy.asarray(arr, dtype=SherpaFloat)
imager.set_np2arr(arr.T)
except:
raise # DS9Err('noimage')
def delete_frames():
if not imager.isOpen():
raise DS9Err('open')
try:
imager.xpaset("frame delete all")
return imager.xpaset("frame new")
except:
raise DS9Err('delframe')
def delete_frames():
if not isOpen():
raise DS9Err('open')
imager = _get_win()
try:
imager.set("frame delete all")
return imager.set("frame new")
except:
raise DS9Err('delframe')
def wcs(keys):
if not imager.isOpen():
raise DS9Err('open')
info = _set_wcs(keys)
try:
# use stdin to pass the WCS info
imager.xpaset('wcs replace', info)
except:
raise DS9Err('setwcs')
def get_region(coord):
if not imager.isOpen():
raise DS9Err('open')
try:
regionstr = "regions -format saoimage -strip yes"
if (coord != ''):
if (coord != 'image'):
regionstr = "regions -format ciao -strip yes -system " + str(
coord)
else:
regionstr = "regions -format saoimage -strip yes -system image"
regionstr = imager.xpaget(regionstr)
return regionstr
except:
raise DS9Err('retreg')
def get_region(coord):
if not imager.isOpen():
raise DS9Err('open')
try:
regionstr = "regions -format saoimage -strip yes"
if coord != '':
if coord != 'image':
regionfmt = 'ciao'
else:
regionfmt = 'saoimage'
regionstr = "regions -format {} ".format(regionfmt) + \
"-strip yes -system {}".format(coord)
regionstr = imager.xpaget(regionstr)
return regionstr
except:
raise DS9Err('retreg')
def set_region(reg, coord):
if not imager.isOpen():
raise DS9Err('open')
try:
# Assume a region file defines everything correctly
if (access(reg, R_OK) is True):
imager.xpaset("regions load " + "'" + reg + "'")
else:
# Assume region string has to be in CIAO format
regions = reg.split(";")
for region in regions:
if (region != ''):
if (coord != ''):
imager.xpaset("regions",
data=str(coord) + ";" + region)
else:
imager.xpaset("regions", data=region)
except:
raise DS9Err('badreg', str(reg))
def set_region(reg, coord):
if not isOpen():
raise DS9Err('open')
imager = _get_win()
try:
if (access(reg, R_OK) is True):
imager.set("regions load " + "'" + reg + "'")
else:
# Assume region string has to be in CIAO format
regions = reg.split(";")
for region in regions:
if (region != ''):
if (coord != ''):
imager.set("regions", str(coord) + ";" + region)
else:
imager.set("regions", region)
except:
raise DS9Err('badreg', str(reg))
def get_region(coord):
if not isOpen():
raise DS9Err('open')
imager = _get_win()
try:
regionstr = "regions -format saoimage -strip yes"
if (coord != ''):
if (coord != 'image'):
regionstr = "regions -format ciao -strip yes -system " + str(
coord)
else:
regionstr = "regions -format saoimage -strip yes -system image"
reg = imager.get(regionstr)
reg = reg.replace(';', '')
return reg
except:
raise DS9Err('retreg')
def image(arr, newframe=False, tile=False):
if not imager.isOpen():
imager.doOpen()
# Create a new frame if the user requested it, *or* if
# there happen to be no DS9 frames.
if newframe or imager.xpaget("frame all") == "\n":
try:
imager.xpaset("frame new")
imager.xpaset("frame last")
except:
raise DS9Err('newframe')
try:
if tile:
imager.xpaset("tile yes")
else:
imager.xpaset("tile no")
except:
raise DS9Err('settile')
time.sleep(1)
try:
imager.showArray(arr)
except:
raise DS9Err('noimage')
def xpaset(arg, data=None):
if not imager.isOpen():
raise DS9Err('open')
return imager.xpaset(arg, data)
def xpaget(arg):
if not imager.isOpen():
raise DS9Err('open')
return imager.xpaget(arg)
def xpaset(arg, data=None):
if not isOpen():
raise DS9Err('open')
imager = _get_win()
return imager.set(arg, data)
def xpaget(arg):
if not isOpen():
raise DS9Err('open')
imager = _get_win()
return imager.get(arg)
