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aacgm2.set_coeff_path()   A
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↳ Parent: aacgm2

Complexity

Conditions 1

Size

Total Lines 10
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 4
nop 0
dl 0
loc 10
rs 10
c 0
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import os as _os
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__version__ = "2.6.0"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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# path and filename prefix for the IGRF coefficients

            


            
                                                                                                            
                            
            
                                    
            
            

                
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AACGM_v2_DAT_PREFIX = _os.path.join(_os.path.realpath(_os.path.dirname(__file__)), 'aacgm_coeffs', 'aacgm_coeffs-13-')

            


            
                                                                                                            
                            
            
                                    
            
            

                
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IGRF_12_COEFFS = _os.path.join(_os.path.realpath(_os.path.dirname(__file__)), 'magmodel_1590-2020.txt')

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def set_coeff_path():

            


            
                                                                        
                            
            
                                    
            
            

                
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    '''Sets the environment variables ``AACGM_v2_DAT_PREFIX`` and

            


            
                                                                        
                            
            
                                    
            
            

                
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    ``IGRF_12_COEFFS`` (for the current process). These are required for the

            


            
                                                                        
                            
            
                                    
            
            

                
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    C library to function correctly. This function is automatically called

            


            
                                                                        
                            
            
                                    
            
            

                
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    when importing aacgm2. You may need to call this manually if you use

            


            
                                                                        
                            
            
                                    
            
            

                
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    multithreading or spawn child processes (untested).

            


            
                                                                        
                            
            
                                    
            
            

                
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    '''

            


            
                                                                        
                            
            
                                    
            
            

                
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    _os.environ['AACGM_v2_DAT_PREFIX'] = AACGM_v2_DAT_PREFIX

            


            
                                                                        
                            
            
                                    
            
            

                
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    _os.environ['IGRF_12_COEFFS'] = IGRF_12_COEFFS

            


            
                                                                        
                            
            
                                    
            
            

                
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    _os.environ['IGRF_COEFFS'] = IGRF_12_COEFFS

            


            
                                                                                                            
                            
            
                                    
            
            

                
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set_coeff_path()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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# NOTE: it is important that we import _aacgmv2 AFTER setting the

            


            
                                                                                                            
                            
            
                                    
            
            

                
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# environment variables above, otherwise it doesn't seem to inherit them

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from aacgm2 import _aacgmv2  # noqa: E402

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from .wrapper import convert, convert_mlt, subsol  # noqa: E402

            


            
                                                                                                            
                            
            
                                    
            
            

                
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__all__ = ['_aacgmv2', 'convert', 'convert_mlt', 'subsol', 'set_coeff_path', 'AACGM_v2_DAT_PREFIX', 'IGRF_12_COEFFS']

            


            
                                                        
            
                                    
            
            

                
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