def __init__(self, x, y, alt, az):
self.projection = Sky2Pix_AZP()
self.affine = AffineTransformation2D()
self.x = x
self.y = y
self.alt = alt
self.az = az
def __init__(self, x, y, alt, az, ap_order=2, bp_order=2):
"""
Parameters
----------
x : array (float)
x-positions on the chip
y : array (float)
y positions on the chip
alt : array (float)
Altitudes of the stars (degrees)
az : array (float)
Azimuths of the stars (degrees)
"""
self.projection = Sky2Pix_AZP()
self.affine = AffineTransformation2D()
self.sip = Sip
self.x = x
self.y = y
self.alt = alt
self.az = az
self.ap_order = ap_order
self.bp_order = bp_order
self.ap_size = (self.ap_order + 1)**2
self.bp_size = (self.bp_order + 1)**2
self.ap_ind = np.arange(self.ap_size)
self.bp_ind = np.arange(self.bp_size) + self.ap_ind.max() + 1
self.affine_ind = np.arange(6) + self.bp_ind.max() + 1
self.crpix = np.zeros(2)
self.zs = np.zeros((3, 3))
def __init__(self, x, y, alt, az, leg_x_order=2, leg_y_order=2):
self.projection = Sky2Pix_AZP()
self.affine = AffineTransformation2D()
self.x = x
self.y = y
self.alt = alt
self.az = az
self.x_leg = Legendre2D(leg_x_order, leg_y_order)
self.y_leg = Legendre2D(leg_x_order, leg_y_order)
def __init__(self, x, y, alt, az, ap_order=2, bp_order=2):
self.projection = Sky2Pix_AZP()
self.affine = AffineTransformation2D()
self.sip = Sip
self.x = x
self.y = y
self.alt = alt
self.az = az
self.ap_order = ap_order
self.bp_order = bp_order
self.ap_size = (self.ap_order + 1)**2
self.bp_size = (self.bp_order + 1)**2
self.ap_ind = np.arange(self.ap_size)
self.bp_ind = np.arange(self.bp_size) + self.ap_ind.max() + 1
self.affine_ind = np.arange(6) + self.bp_ind.max() + 1
self.crpix = np.zeros(2)
self.zs = np.zeros((3, 3))
def __init__(self, x, y, alt, az):
self.projection = Sky2Pix_ZEA()
self.affine = AffineTransformation2D()
self.x = x
self.y = y
self.projx, self.projy = self.projection(az, alt)