def info_xy(self, data_x, data_y, settings):
ct = self.get('ct', None)
# Get the value under the data coordinates
try:
# We report the value across the pixel, even though the coords
# change halfway across the pixel
x, y = int(data_x + 0.5), int(data_y + 0.5)
value = self.get_data_xy(x, y)
# Mapping from bytescaled values back to original values
value = iis.wcs_pix_transform(ct, value)
except Exception as e:
self.logger.error("Exception getting value at %d,%d: %s" %
(x, y, str(e)))
value = None
# Calculate WCS RA, if available
try:
# Subtract offsets of data in framebuffer and add offsets of
# rect beginning in source
data_x = data_x - (ct.dx - 1) + (ct.sx - 1)
data_y = data_y - (ct.dy - 1) + (ct.sy - 1)
#ra_deg, dec_deg = wcs_coord_transform(ct, data_x, data_y)
#ra_txt, dec_txt = self.wcs.deg2fmt(ra_deg, dec_deg, 'str')
ra_txt = 'BAD WCS'
dec_txt = 'BAD WCS'
except Exception as e:
self.logger.warning("Bad coordinate conversion: %s" % (str(e)))
ra_txt = 'BAD WCS'
dec_txt = 'BAD WCS'
# Note: FITS coordinates are 1-based, whereas numpy FITS arrays
# are 0-based
ra_lbl, dec_lbl = unichr(945), unichr(948)
fits_x, fits_y = data_x + 1, data_y + 1
info = Bunch.Bunch(itype='astro',
data_x=data_x,
data_y=data_y,
fits_x=fits_x,
fits_y=fits_y,
x=fits_x,
y=fits_y,
ra_txt=ra_txt,
dec_txt=dec_txt,
ra_lbl=ra_lbl,
dec_lbl=dec_lbl,
value=value)
return info
def info_xy(self, data_x, data_y, settings):
ct = self.get("ct", None)
# Get the value under the data coordinates
try:
# We report the value across the pixel, even though the coords
# change halfway across the pixel
x, y = int(data_x + 0.5), int(data_y + 0.5)
value = self.get_data_xy(x, y)
# Mapping from bytescaled values back to original values
value = iis.wcs_pix_transform(ct, value)
except Exception, e:
self.logger.error("Exception getting value at %d,%d: %s" % (x, y, str(e)))
value = None
def info_xy(self, data_x, data_y):
ct = self.get('ct', None)
# Get the value under the data coordinates
try:
# We report the value across the pixel, even though the coords
# change halfway across the pixel
x, y = int(data_x + 0.5), int(data_y + 0.5)
value = self.get_data_xy(x, y)
# Mapping from bytescaled values back to original values
value = iis.wcs_pix_transform(ct, value)
except Exception, e:
self.logger.error("Exception getting value at %d,%d: %s" %
(x, y, str(e)))
value = None
def info_xy(self, data_x, data_y, settings):
ct = self.get('ct', None)
# Get the value under the data coordinates
try:
# We report the value across the pixel, even though the coords
# change halfway across the pixel
x, y = int(data_x+0.5), int(data_y+0.5)
value = self.get_data_xy(x, y)
# Mapping from bytescaled values back to original values
value = iis.wcs_pix_transform(ct, value)
except Exception as e:
self.logger.error("Exception getting value at %d,%d: %s" % (
x, y, str(e)))
value = None
# Calculate WCS RA, if available
try:
# Subtract offsets of data in framebuffer and add offsets of
# rect beginning in source
data_x = data_x - (ct.dx-1) + (ct.sx-1)
data_y = data_y - (ct.dy-1) + (ct.sy-1)
#ra_deg, dec_deg = wcs_coord_transform(ct, data_x, data_y)
#ra_txt, dec_txt = self.wcs.deg2fmt(ra_deg, dec_deg, 'str')
ra_txt = 'BAD WCS'
dec_txt = 'BAD WCS'
except Exception as e:
self.logger.warn("Bad coordinate conversion: %s" % (
str(e)))
ra_txt = 'BAD WCS'
dec_txt = 'BAD WCS'
# Note: FITS coordinates are 1-based, whereas numpy FITS arrays
# are 0-based
ra_lbl, dec_lbl = unichr(945), unichr(948)
fits_x, fits_y = data_x + 1, data_y + 1
info = Bunch.Bunch(itype='astro', data_x=data_x, data_y=data_y,
fits_x=fits_x, fits_y=fits_y,
x=fits_x, y=fits_y,
ra_txt=ra_txt, dec_txt=dec_txt,
ra_lbl=ra_lbl, dec_lbl=dec_lbl,
value=value)
return info
