Coverage for /wheeldirectory/casa-6.7.0-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/importfits.py: 56%

1##################### generated by xml-casa (v2) from importfits.xml ################ 

2##################### e8fdf1ac06c4c663eca53aef832d20ef ############################## 

3from __future__ import absolute_import 

4import numpy 

5from casatools.typecheck import CasaValidator as _val_ctor 

6_pc = _val_ctor( ) 

7from casatools.coercetype import coerce as _coerce 

8from casatools.errors import create_error_string 

9from .private.task_importfits import importfits as _importfits_t 

10from casatasks.private.task_logging import start_log as _start_log 

11from casatasks.private.task_logging import end_log as _end_log 

12from casatasks.private.task_logging import except_log as _except_log 

13 

14class _importfits: 

15 """ 

16 importfits ---- Convert an image FITS file into a CASA image 

17 

18  

19 Convert an image FITS file into a CASA image 

20 

21 --------- parameter descriptions --------------------------------------------- 

22 

23 fitsimage Name of input image FITS file 

24 Default: none 

25  

26 Example: fitsimage='3C273XC1.fits' 

27 imagename Name of output CASA image 

28 Default: none 

29  

30 Example: fitsimage='3C273XC1.image' 

31 whichrep If fits image has multiple coordinate reps, choose one. 

32 Default: 0 (means first) 

33  

34 Example: whichrep=1 

35 whichhdu If fits file contains multiple images, choose one 

36 Default: -1 (use the first valid one) 

37  

38 NOTE: 0 = first HDU, -1 = first valid image 

39  

40 Example: whichhdu=1 

41 zeroblanks Set blanked pixels to zero (not NaN) 

42 Default: True 

43 Options: True|False 

44 overwrite Overwrite output file if it exists? 

45 Default: False 

46 Options: False|True 

47 defaultaxes Add the default 4D coordinate axes where they are 

48 missing 

49 Default: False 

50 Options: False|True 

51  

52 IMPORTANT: value True requires setting defaultaxesvalues 

53 defaultaxesvalues List of values to assign to added degenerate axes when 

54 defaultaxes==True (ra,dec,freq,stokes) 

55 Default: [] 

56  

57 For existing axes, empty strings can be given as 

58 values. For the directions and spectral values, 

59 any valid angle/frequency expressions can be 

60 given. 

61  

62 Example: defaultaxesvalues=['19h30m00', 

63 '-02d30m00', '88.5GHz', 'Q'] 

64 beam List of values to be used to define the synthesized beam 

65 [BMAJ,BMIN,BPA] (as in the FITS keywords) 

66 Default: [] (i.e.take from FITS file) 

67  

68 Example: beam=['0.35arcsec', '0.24arcsec', 

69 '25deg'] 

70 

71 --------- examples ----------------------------------------------------------- 

72 

73  

74 FOR MORE INFORMATION, SEE THE TASK PAGES OF IMPORTFITS IN CASA DOCS: 

75 https://casa.nrao.edu/casadocs/ 

76  

77 

78 

79 """ 

80 

81 _info_group_ = """import/export""" 

82 _info_desc_ = """Convert an image FITS file into a CASA image""" 

83 

84 def __call__( self, fitsimage='', imagename='', whichrep=int(0), whichhdu=int(-1), zeroblanks=True, overwrite=False, defaultaxes=False, defaultaxesvalues=[ ], beam=[ ] ): 

85 schema = {'fitsimage': {'type': 'cReqPath', 'coerce': _coerce.expand_path}, 'imagename': {'type': 'cStr', 'coerce': _coerce.to_str}, 'whichrep': {'type': 'cInt'}, 'whichhdu': {'type': 'cInt'}, 'zeroblanks': {'type': 'cBool'}, 'overwrite': {'type': 'cBool'}, 'defaultaxes': {'type': 'cBool'}, 'defaultaxesvalues': {'type': 'cVariant', 'coerce': [_coerce.to_variant]}, 'beam': {'type': 'cVariant', 'coerce': [_coerce.to_variant]}} 

86 doc = {'fitsimage': fitsimage, 'imagename': imagename, 'whichrep': whichrep, 'whichhdu': whichhdu, 'zeroblanks': zeroblanks, 'overwrite': overwrite, 'defaultaxes': defaultaxes, 'defaultaxesvalues': defaultaxesvalues, 'beam': beam} 

87 assert _pc.validate(doc,schema), create_error_string(_pc.errors) 

88 _logging_state_ = _start_log( 'importfits', [ 'fitsimage=' + repr(_pc.document['fitsimage']), 'imagename=' + repr(_pc.document['imagename']), 'whichrep=' + repr(_pc.document['whichrep']), 'whichhdu=' + repr(_pc.document['whichhdu']), 'zeroblanks=' + repr(_pc.document['zeroblanks']), 'overwrite=' + repr(_pc.document['overwrite']), 'defaultaxes=' + repr(_pc.document['defaultaxes']), 'defaultaxesvalues=' + repr(_pc.document['defaultaxesvalues']), 'beam=' + repr(_pc.document['beam']) ] ) 

89 task_result = None 

90 try: 

91 task_result = _importfits_t( _pc.document['fitsimage'], _pc.document['imagename'], _pc.document['whichrep'], _pc.document['whichhdu'], _pc.document['zeroblanks'], _pc.document['overwrite'], _pc.document['defaultaxes'], _pc.document['defaultaxesvalues'], _pc.document['beam'] ) 

92 except Exception as exc: 

93 _except_log('importfits', exc) 

94 raise 

95 finally: 

96 task_result = _end_log( _logging_state_, 'importfits', task_result ) 

97 return task_result 

98 

99importfits = _importfits( ) 

100