from builtins import zip
import numpy as np
from .baseStacker import BaseStacker
from .ditherStackers import wrapRA
__all__ = ['SdssRADecStacker']
[docs]class SdssRADecStacker(BaseStacker):
"""convert the p1,p2,p3... columns to radians and wrap them """
def __init__(self, pcols = ['p1','p2','p3','p4','p5','p6','p7','p8']):
""" The p1,p2 columns represent the corners of chips. Could generalize this a bit."""
self.units = ['rad']*8
self.colsAdded = ['RA1', 'Dec1', 'RA2', 'Dec2', 'RA3','Dec3','RA4','Dec4']
self.colsReq = pcols
def _run(self, simData):
for pcol, newcol in zip(self.colsReq, self.colsAdded):
if newcol[0:2] == 'RA':
simData[newcol] = wrapRA(np.radians(simData[pcol]))
else:
simData[newcol] = np.radians(simData[pcol])
return simData