Coverage for python / lsst / meas / base / colorUtilities.py: 27%

1# This file is part of meas_base. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://www.lsst.org). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This program is free software: you can redistribute it and/or modify 

10# it under the terms of the GNU General Public License as published by 

11# the Free Software Foundation, either version 3 of the License, or 

12# (at your option) any later version. 

13# 

14# This program is distributed in the hope that it will be useful, 

15# but WITHOUT ANY WARRANTY; without even the implied warranty of 

16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

17# GNU General Public License for more details. 

18# 

19# You should have received a copy of the GNU General Public License 

20# along with this program. If not, see <https://www.gnu.org/licenses/>. 

21 

22"""Color Utilities such as extracting color information. 

23""" 

24 

25import numpy as np 

26from lsst.afw.image import Color 

27 

28__all__ = ( 

29 "colorExtractor", 

30) 

31 

32 

33def colorExtractor(record, columnNameValue="psf_color_value", columnNameType="psf_color_type"): 

34 try: 

35 c = record[columnNameValue] 

36 ct = record[columnNameType] 

37 if np.isfinite(c): 

38 color = Color(colorValue=c, colorType=ct) 

39 else: 

40 color = Color() 

41 except Exception: 

42 color = Color() 

43 return color