def get_ruler_distances(self, x1, y1, x2, y2):
mode = self.t_drawparams.get('units', 'arcmin')
try:
image = self.fitsimage.get_image()
if mode == 'arcmin':
# Calculate RA and DEC for the three points
# origination point
ra_org, dec_org = image.pixtoradec(x1, y1)
# destination point
ra_dst, dec_dst = image.pixtoradec(x2, y2)
# "heel" point making a right triangle
ra_heel, dec_heel = image.pixtoradec(x2, y1)
text_h = wcs.get_starsep_RaDecDeg(ra_org, dec_org,
ra_dst, dec_dst)
text_x = wcs.get_starsep_RaDecDeg(ra_org, dec_org,
ra_heel, dec_heel)
text_y = wcs.get_starsep_RaDecDeg(ra_heel, dec_heel,
ra_dst, dec_dst)
else:
dx = abs(x2 - x1)
dy = abs(y2 - y1)
dh = math.sqrt(dx**2 + dy**2)
text_x = str(dx)
text_y = str(dy)
text_h = ("%.3f" % dh)
except Exception as e:
text_h = 'BAD WCS'
text_x = 'BAD WCS'
text_y = 'BAD WCS'
return (text_x, text_y, text_h)
def get_ruler_distances(self, x1, y1, x2, y2):
mode = self.t_drawparams.get('units', 'arcmin')
try:
image = self.fitsimage.get_image()
if mode == 'arcmin':
# Calculate RA and DEC for the three points
# origination point
ra_org, dec_org = image.pixtoradec(x1, y1)
# destination point
ra_dst, dec_dst = image.pixtoradec(x2, y2)
# "heel" point making a right triangle
ra_heel, dec_heel = image.pixtoradec(x2, y1)
text_h = wcs.get_starsep_RaDecDeg(ra_org, dec_org, ra_dst,
dec_dst)
text_x = wcs.get_starsep_RaDecDeg(ra_org, dec_org, ra_heel,
dec_heel)
text_y = wcs.get_starsep_RaDecDeg(ra_heel, dec_heel, ra_dst,
dec_dst)
else:
dx = abs(x2 - x1)
dy = abs(y2 - y1)
dh = math.sqrt(dx**2 + dy**2)
text_x = str(dx)
text_y = str(dy)
text_h = ("%.3f" % dh)
except Exception as e:
text_h = 'BAD WCS'
text_x = 'BAD WCS'
text_y = 'BAD WCS'
return (text_x, text_y, text_h)
def get_ruler_distances(self, viewer):
mode = self.units.lower()
points = self.get_points()
x1, y1 = points[0]
x2, y2 = points[1]
try:
image = viewer.get_image()
if mode in ('arcmin', 'degrees'):
# Calculate RA and DEC for the three points
# origination point
ra_org, dec_org = image.pixtoradec(x1, y1)
# destination point
ra_dst, dec_dst = image.pixtoradec(x2, y2)
# "heel" point making a right triangle
ra_heel, dec_heel = image.pixtoradec(x2, y1)
if mode == 'arcmin':
text_h = wcs.get_starsep_RaDecDeg(ra_org, dec_org,
ra_dst, dec_dst)
text_x = wcs.get_starsep_RaDecDeg(ra_org, dec_org,
ra_heel, dec_heel)
text_y = wcs.get_starsep_RaDecDeg(ra_heel, dec_heel,
ra_dst, dec_dst)
else:
sep_h = wcs.deltaStarsRaDecDeg(ra_org, dec_org,
ra_dst, dec_dst)
text_h = str(sep_h)
sep_x = wcs.deltaStarsRaDecDeg(ra_org, dec_org,
ra_heel, dec_heel)
text_x = str(sep_x)
sep_y = wcs.deltaStarsRaDecDeg(ra_heel, dec_heel,
ra_dst, dec_dst)
text_y = str(sep_y)
else:
dx = abs(x2 - x1)
dy = abs(y2 - y1)
dh = math.sqrt(dx**2 + dy**2)
text_x = str(dx)
text_y = str(dy)
text_h = ("%.3f" % dh)
except Exception as e:
text_h = 'BAD WCS'
text_x = 'BAD WCS'
text_y = 'BAD WCS'
return (text_x, text_y, text_h)
def get_ruler_distances(self, viewer):
mode = self.units.lower()
points = self.get_points()
x1, y1 = points[0]
x2, y2 = points[1]
try:
image = viewer.get_image()
if mode in ('arcmin', 'degrees'):
# Calculate RA and DEC for the three points
# origination point
ra_org, dec_org = image.pixtoradec(x1, y1)
# destination point
ra_dst, dec_dst = image.pixtoradec(x2, y2)
# "heel" point making a right triangle
ra_heel, dec_heel = image.pixtoradec(x2, y1)
if mode == 'arcmin':
text_h = wcs.get_starsep_RaDecDeg(ra_org, dec_org, ra_dst,
dec_dst)
text_x = wcs.get_starsep_RaDecDeg(ra_org, dec_org, ra_heel,
dec_heel)
text_y = wcs.get_starsep_RaDecDeg(ra_heel, dec_heel,
ra_dst, dec_dst)
else:
sep_h = wcs.deltaStarsRaDecDeg(ra_org, dec_org, ra_dst,
dec_dst)
text_h = ("%.8f" % sep_h)
sep_x = wcs.deltaStarsRaDecDeg(ra_org, dec_org, ra_heel,
dec_heel)
text_x = ("%.8f" % sep_x)
sep_y = wcs.deltaStarsRaDecDeg(ra_heel, dec_heel, ra_dst,
dec_dst)
text_y = ("%.8f" % sep_y)
else:
dx = abs(x2 - x1)
dy = abs(y2 - y1)
dh = np.sqrt(dx**2 + dy**2)
text_x = ("%.3f" % dx)
text_y = ("%.3f" % dy)
text_h = ("%.3f" % dh)
except Exception as e:
text_h = 'BAD WCS'
text_x = 'BAD WCS'
text_y = 'BAD WCS'
return (text_x, text_y, text_h)
def get_starsep_XY(self, x1, y1, x2, y2):
# source point
ra_org, dec_org = self.pixtoradec(x1, y1)
# destination point
ra_dst, dec_dst = self.pixtoradec(x2, y2)
return wcs.get_starsep_RaDecDeg(ra_org, dec_org, ra_dst, dec_dst)
def get_starsep_XY(self, x1, y1, x2, y2):
# source point
ra_org, dec_org = self.pixtoradec(x1, y1)
# destination point
ra_dst, dec_dst = self.pixtoradec(x2, y2)
return wcs.get_starsep_RaDecDeg(ra_org, dec_org, ra_dst, dec_dst)
