Coverage for python/lsst/afw/detection/_footprintMerge.py: 21%

28 statements  

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1# This file is part of afw. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://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 <http://www.gnu.org/licenses/>. 

21 

22__all__ = [] # only imported for side effects 

23 

24from lsst.utils import continueClass 

25from ._detection import FootprintMergeList 

26 

27 

28@continueClass 

29class FootprintMergeList: # noqa: F811 

30 def getMergedSourceCatalog(self, catalogs, filters, 

31 peakDist, schema, idFactory, samePeakDist): 

32 """Add multiple catalogs and get the SourceCatalog with merged Footprints 

33 

34 Parameters 

35 ---------- 

36 catalogs : `list` [`lsst.afw.table.SourceCatalog`] 

37 list of catalogs 

38 filters : `list` [`str`] 

39 list of filters 

40 peakDist : `float` or `list` [`float`] 

41 distance between source peaks 

42 schema : `lsst.afw.table.Schema` 

43 idFactory : `lsst.afw.table.IdFactory` 

44 samePeakDist : `float` or `list [`float`] 

45 distance between source peaks (check) 

46 

47 Returns 

48 ------- 

49 mergedList : `lsst.afw.table.SourceCatalog` 

50 merged list of sources 

51 

52 See also 

53 -------- 

54 lsst.afw.table.SourceTable 

55 

56 """ 

57 

58 import lsst.afw.table as afwTable 

59 

60 table = afwTable.SourceTable.make(schema, idFactory) 

61 mergedList = afwTable.SourceCatalog(table) 

62 

63 # if peak is not an array, create an array the size of catalogs 

64 try: 

65 len(samePeakDist) 

66 except TypeError: 

67 samePeakDist = [samePeakDist] * len(catalogs) 

68 

69 try: 

70 len(peakDist) 

71 except TypeError: 

72 peakDist = [peakDist] * len(catalogs) 

73 

74 if len(peakDist) != len(catalogs): 

75 raise ValueError("Number of catalogs (%d) does not match length of peakDist (%d)" 

76 % (len(catalogs), len(peakDist))) 

77 

78 if len(samePeakDist) != len(catalogs): 

79 raise ValueError("Number of catalogs (%d) does not match length of samePeakDist (%d)" 

80 % (len(catalogs), len(samePeakDist))) 

81 

82 if len(filters) != len(catalogs): 

83 raise ValueError("Number of catalogs (%d) does not match number of filters (%d)" 

84 % (len(catalogs), len(filters))) 

85 

86 self.clearCatalog() 

87 for cat, filter, dist, sameDist in zip(catalogs, filters, peakDist, samePeakDist): 

88 self.addCatalog(table, cat, filter, dist, True, sameDist) 

89 

90 self.getFinalSources(mergedList) 

91 return mergedList