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def cylrec ( r , lon , z ) : r = ctypes . c_double ( r ) lon = ctypes . c_double ( lon ) z = ctypes . c_double ( z ) rectan = stypes . emptyDoubleVector ( 3 ) libspice . cylrec_c ( r , lon , z , rectan ) return stypes . cVectorToPython ( rectan )
Convert from cylindrical to rectangular coordinates .
90
10
246,501
def cylsph ( r , lonc , z ) : r = ctypes . c_double ( r ) lonc = ctypes . c_double ( lonc ) z = ctypes . c_double ( z ) radius = ctypes . c_double ( ) colat = ctypes . c_double ( ) lon = ctypes . c_double ( ) libspice . cyllat_c ( r , lonc , z , ctypes . byref ( radius ) , ctypes . byref ( colat ) , ctypes . byref ( lon ) ) return radius . value , colat . value , lon . value
Convert from cylindrical to spherical coordinates .
144
10
246,502
def dafac ( handle , buffer ) : handle = ctypes . c_int ( handle ) lenvals = ctypes . c_int ( len ( max ( buffer , key = len ) ) + 1 ) n = ctypes . c_int ( len ( buffer ) ) buffer = stypes . listToCharArrayPtr ( buffer ) libspice . dafac_c ( handle , n , lenvals , buffer )
Add comments from a buffer of character strings to the comment area of a binary DAF file appending them to any comments which are already present in the file s comment area .
91
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def dafec ( handle , bufsiz , lenout = _default_len_out ) : handle = ctypes . c_int ( handle ) buffer = stypes . emptyCharArray ( yLen = bufsiz , xLen = lenout ) bufsiz = ctypes . c_int ( bufsiz ) lenout = ctypes . c_int ( lenout ) n = ctypes . c_int ( ) done = ctypes . c_int ( ) libspice . dafec_c ( handle , bufsiz , lenout , ctypes . byref ( n ) , ctypes . byref ( buffer ) , ctypes . byref ( done ) ) return n . value , stypes . cVectorToPython ( buffer ) , bool ( done . value )
Extract comments from the comment area of a binary DAF .
171
13
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def dafopr ( fname ) : fname = stypes . stringToCharP ( fname ) handle = ctypes . c_int ( ) libspice . dafopr_c ( fname , ctypes . byref ( handle ) ) return handle . value
Open a DAF for subsequent read requests .
61
9
246,505
def dafopw ( fname ) : fname = stypes . stringToCharP ( fname ) handle = ctypes . c_int ( ) libspice . dafopw_c ( fname , ctypes . byref ( handle ) ) return handle . value
Open a DAF for subsequent write requests .
61
9
246,506
def dafrfr ( handle , lenout = _default_len_out ) : handle = ctypes . c_int ( handle ) lenout = ctypes . c_int ( lenout ) nd = ctypes . c_int ( ) ni = ctypes . c_int ( ) ifname = stypes . stringToCharP ( lenout ) fward = ctypes . c_int ( ) bward = ctypes . c_int ( ) free = ctypes . c_int ( ) libspice . dafrfr_c ( handle , lenout , ctypes . byref ( nd ) , ctypes . byref ( ni ) , ifname , ctypes . byref ( fward ) , ctypes . byref ( bward ) , ctypes . byref ( free ) ) return nd . value , ni . value , stypes . toPythonString ( ifname ) , fward . value , bward . value , free . value
Read the contents of the file record of a DAF .
211
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def dafrs ( insum ) : insum = stypes . toDoubleVector ( insum ) libspice . dafrs_c ( ctypes . byref ( insum ) )
Change the summary for the current array in the current DAF .
42
13
246,508
def dafus ( insum , nd , ni ) : insum = stypes . toDoubleVector ( insum ) dc = stypes . emptyDoubleVector ( nd ) ic = stypes . emptyIntVector ( ni ) nd = ctypes . c_int ( nd ) ni = ctypes . c_int ( ni ) libspice . dafus_c ( insum , nd , ni , dc , ic ) return stypes . cVectorToPython ( dc ) , stypes . cVectorToPython ( ic )
Unpack an array summary into its double precision and integer components .
118
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def dasac ( handle , buffer ) : handle = ctypes . c_int ( handle ) n = ctypes . c_int ( len ( buffer ) ) buflen = ctypes . c_int ( max ( len ( s ) for s in buffer ) + 1 ) buffer = stypes . listToCharArrayPtr ( buffer ) libspice . dasac_c ( handle , n , buflen , buffer )
Add comments from a buffer of character strings to the comment area of a binary DAS file appending them to any comments which are already present in the file s comment area .
93
35
246,510
def dasec ( handle , bufsiz = _default_len_out , buflen = _default_len_out ) : handle = ctypes . c_int ( handle ) buffer = stypes . emptyCharArray ( buflen , bufsiz ) bufsiz = ctypes . c_int ( bufsiz ) buflen = ctypes . c_int ( buflen ) n = ctypes . c_int ( 0 ) done = ctypes . c_int ( ) libspice . dasec_c ( handle , bufsiz , buflen , ctypes . byref ( n ) , ctypes . byref ( buffer ) , ctypes . byref ( done ) ) return n . value , stypes . cVectorToPython ( buffer ) , done . value
Extract comments from the comment area of a binary DAS file .
175
14
246,511
def dasopr ( fname ) : fname = stypes . stringToCharP ( fname ) handle = ctypes . c_int ( ) libspice . dasopr_c ( fname , ctypes . byref ( handle ) ) return handle . value
Open a DAS file for reading .
61
8
246,512
def dcyldr ( x , y , z ) : x = ctypes . c_double ( x ) y = ctypes . c_double ( y ) z = ctypes . c_double ( z ) jacobi = stypes . emptyDoubleMatrix ( ) libspice . dcyldr_c ( x , y , z , jacobi ) return stypes . cMatrixToNumpy ( jacobi )
This routine computes the Jacobian of the transformation from rectangular to cylindrical coordinates .
93
18
246,513
def dgeodr ( x , y , z , re , f ) : x = ctypes . c_double ( x ) y = ctypes . c_double ( y ) z = ctypes . c_double ( z ) re = ctypes . c_double ( re ) f = ctypes . c_double ( f ) jacobi = stypes . emptyDoubleMatrix ( ) libspice . dgeodr_c ( x , y , z , re , f , jacobi ) return stypes . cMatrixToNumpy ( jacobi )
This routine computes the Jacobian of the transformation from rectangular to geodetic coordinates .
123
18
246,514
def diags2 ( symmat ) : symmat = stypes . toDoubleMatrix ( symmat ) diag = stypes . emptyDoubleMatrix ( x = 2 , y = 2 ) rotateout = stypes . emptyDoubleMatrix ( x = 2 , y = 2 ) libspice . diags2_c ( symmat , diag , rotateout ) return stypes . cMatrixToNumpy ( diag ) , stypes . cMatrixToNumpy ( rotateout )
Diagonalize a symmetric 2x2 matrix .
103
11
246,515
def dlatdr ( x , y , z ) : x = ctypes . c_double ( x ) y = ctypes . c_double ( y ) z = ctypes . c_double ( z ) jacobi = stypes . emptyDoubleMatrix ( ) libspice . dlatdr_c ( x , y , z , jacobi ) return stypes . cMatrixToNumpy ( jacobi )
This routine computes the Jacobian of the transformation from rectangular to latitudinal coordinates .
91
17
246,516
def dp2hx ( number , lenout = _default_len_out ) : number = ctypes . c_double ( number ) lenout = ctypes . c_int ( lenout ) string = stypes . stringToCharP ( lenout ) length = ctypes . c_int ( ) libspice . dp2hx_c ( number , lenout , string , ctypes . byref ( length ) ) return stypes . toPythonString ( string )
Convert a double precision number to an equivalent character string using base 16 scientific notation .
105
17
246,517
def dpgrdr ( body , x , y , z , re , f ) : body = stypes . stringToCharP ( body ) x = ctypes . c_double ( x ) y = ctypes . c_double ( y ) z = ctypes . c_double ( z ) re = ctypes . c_double ( re ) f = ctypes . c_double ( f ) jacobi = stypes . emptyDoubleMatrix ( ) libspice . dpgrdr_c ( body , x , y , z , re , f , jacobi ) return stypes . cMatrixToNumpy ( jacobi )
This routine computes the Jacobian matrix of the transformation from rectangular to planetographic coordinates .
139
18
246,518
def drdcyl ( r , lon , z ) : r = ctypes . c_double ( r ) lon = ctypes . c_double ( lon ) z = ctypes . c_double ( z ) jacobi = stypes . emptyDoubleMatrix ( ) libspice . drdcyl_c ( r , lon , z , jacobi ) return stypes . cMatrixToNumpy ( jacobi )
This routine computes the Jacobian of the transformation from cylindrical to rectangular coordinates .
95
18
246,519
def drdgeo ( lon , lat , alt , re , f ) : lon = ctypes . c_double ( lon ) lat = ctypes . c_double ( lat ) alt = ctypes . c_double ( alt ) re = ctypes . c_double ( re ) f = ctypes . c_double ( f ) jacobi = stypes . emptyDoubleMatrix ( ) libspice . drdgeo_c ( lon , lat , alt , re , f , jacobi ) return stypes . cMatrixToNumpy ( jacobi )
This routine computes the Jacobian of the transformation from geodetic to rectangular coordinates .
127
18
246,520
def drdlat ( r , lon , lat ) : r = ctypes . c_double ( r ) lon = ctypes . c_double ( lon ) lat = ctypes . c_double ( lat ) jacobi = stypes . emptyDoubleMatrix ( ) libspice . drdlat_c ( r , lon , lat , jacobi ) return stypes . cMatrixToNumpy ( jacobi )
Compute the Jacobian of the transformation from latitudinal to rectangular coordinates .
95
15
246,521
def drdpgr ( body , lon , lat , alt , re , f ) : body = stypes . stringToCharP ( body ) lon = ctypes . c_double ( lon ) lat = ctypes . c_double ( lat ) alt = ctypes . c_double ( alt ) re = ctypes . c_double ( re ) f = ctypes . c_double ( f ) jacobi = stypes . emptyDoubleMatrix ( ) libspice . drdpgr_c ( body , lon , lat , alt , re , f , jacobi ) return stypes . cMatrixToNumpy ( jacobi )
This routine computes the Jacobian matrix of the transformation from planetographic to rectangular coordinates .
141
18
246,522
def drdsph ( r , colat , lon ) : r = ctypes . c_double ( r ) colat = ctypes . c_double ( colat ) lon = ctypes . c_double ( lon ) jacobi = stypes . emptyDoubleMatrix ( ) libspice . drdsph_c ( r , colat , lon , jacobi ) return stypes . cMatrixToNumpy ( jacobi )
This routine computes the Jacobian of the transformation from spherical to rectangular coordinates .
99
16
246,523
def dskb02 ( handle , dladsc ) : handle = ctypes . c_int ( handle ) nv = ctypes . c_int ( 0 ) np = ctypes . c_int ( 0 ) nvxtot = ctypes . c_int ( 0 ) vtxbds = stypes . emptyDoubleMatrix ( 3 , 2 ) voxsiz = ctypes . c_double ( 0.0 ) voxori = stypes . emptyDoubleVector ( 3 ) vgrext = stypes . emptyIntVector ( 3 ) cgscal = ctypes . c_int ( 0 ) vtxnpl = ctypes . c_int ( 0 ) voxnpt = ctypes . c_int ( 0 ) voxnpl = ctypes . c_int ( 0 ) libspice . dskb02_c ( handle , dladsc , ctypes . byref ( nv ) , ctypes . byref ( np ) , ctypes . byref ( nvxtot ) , vtxbds , ctypes . byref ( voxsiz ) , voxori , vgrext , ctypes . byref ( cgscal ) , ctypes . byref ( vtxnpl ) , ctypes . byref ( voxnpt ) , ctypes . byref ( voxnpl ) ) return nv . value , np . value , nvxtot . value , stypes . cMatrixToNumpy ( vtxbds ) , voxsiz . value , stypes . cVectorToPython ( voxori ) , stypes . cVectorToPython ( vgrext ) , cgscal . value , vtxnpl . value , voxnpt . value , voxnpl . value
Return bookkeeping data from a DSK type 2 segment .
388
12
246,524
def dskcls ( handle , optmiz = False ) : handle = ctypes . c_int ( handle ) optmiz = ctypes . c_int ( optmiz ) libspice . dskcls_c ( handle , optmiz )
Close a DSK file .
58
6
246,525
def dskd02 ( handle , dladsc , item , start , room ) : handle = ctypes . c_int ( handle ) item = ctypes . c_int ( item ) start = ctypes . c_int ( start ) room = ctypes . c_int ( room ) n = ctypes . c_int ( 0 ) values = stypes . emptyDoubleVector ( room ) libspice . dskd02_c ( handle , dladsc , item , start , room , ctypes . byref ( n ) , values ) return stypes . cVectorToPython ( values )
Fetch double precision data from a type 2 DSK segment .
130
13
246,526
def dskgd ( handle , dladsc ) : handle = ctypes . c_int ( handle ) dskdsc = stypes . SpiceDSKDescr ( ) libspice . dskgd_c ( handle , ctypes . byref ( dladsc ) , ctypes . byref ( dskdsc ) ) return dskdsc
Return the DSK descriptor from a DSK segment identified by a DAS handle and DLA descriptor .
78
21
246,527
def dski02 ( handle , dladsc , item , start , room ) : handle = ctypes . c_int ( handle ) item = ctypes . c_int ( item ) start = ctypes . c_int ( start ) room = ctypes . c_int ( room ) n = ctypes . c_int ( ) values = stypes . emptyIntVector ( room ) libspice . dski02_c ( handle , dladsc , item , start , room , ctypes . byref ( n ) , values ) return stypes . cMatrixToNumpy ( values )
Fetch integer data from a type 2 DSK segment .
128
12
246,528
def dskmi2 ( vrtces , plates , finscl , corscl , worksz , voxpsz , voxlsz , makvtl , spxisz ) : nv = ctypes . c_int ( len ( vrtces ) ) vrtces = stypes . toDoubleMatrix ( vrtces ) np = ctypes . c_int ( len ( plates ) ) plates = stypes . toIntMatrix ( plates ) finscl = ctypes . c_double ( finscl ) corscl = ctypes . c_int ( corscl ) worksz = ctypes . c_int ( worksz ) voxpsz = ctypes . c_int ( voxpsz ) voxlsz = ctypes . c_int ( voxlsz ) makvtl = ctypes . c_int ( makvtl ) spxisz = ctypes . c_int ( spxisz ) work = stypes . emptyIntMatrix ( 2 , worksz ) spaixd = stypes . emptyDoubleVector ( 10 ) # SPICE_DSK02_SPADSZ spaixi = stypes . emptyIntVector ( spxisz ) libspice . dskmi2_c ( nv , vrtces , np , plates , finscl , corscl , worksz , voxpsz , voxlsz , makvtl , spxisz , work , spaixd , spaixi ) return stypes . cVectorToPython ( spaixd ) , stypes . cVectorToPython ( spaixi )
Make spatial index for a DSK type 2 segment . The index is returned as a pair of arrays one of type int and one of type float . These arrays are suitable for use with the DSK type 2 writer dskw02 .
351
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246,529
def dskn02 ( handle , dladsc , plid ) : handle = ctypes . c_int ( handle ) plid = ctypes . c_int ( plid ) normal = stypes . emptyDoubleVector ( 3 ) libspice . dskn02_c ( handle , dladsc , plid , normal ) return stypes . cVectorToPython ( normal )
Compute the unit normal vector for a specified plate from a type 2 DSK segment .
84
18
246,530
def dskp02 ( handle , dladsc , start , room ) : handle = ctypes . c_int ( handle ) start = ctypes . c_int ( start ) room = ctypes . c_int ( room ) n = ctypes . c_int ( 0 ) plates = stypes . emptyIntMatrix ( 3 , room ) libspice . dskp02_c ( handle , dladsc , start , room , ctypes . byref ( n ) , plates ) return stypes . cMatrixToNumpy ( plates )
Fetch triangular plates from a type 2 DSK segment .
118
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246,531
def dskrb2 ( vrtces , plates , corsys , corpar ) : nv = ctypes . c_int ( len ( vrtces ) ) vrtces = stypes . toDoubleMatrix ( vrtces ) np = ctypes . c_int ( len ( plates ) ) plates = stypes . toIntMatrix ( plates ) corsys = ctypes . c_int ( corsys ) corpar = stypes . toDoubleVector ( corpar ) mncor3 = ctypes . c_double ( 0.0 ) mxcor3 = ctypes . c_double ( 0.0 ) libspice . dskrb2_c ( nv , vrtces , np , plates , corsys , corpar , ctypes . byref ( mncor3 ) , ctypes . byref ( mxcor3 ) ) return mncor3 . value , mxcor3 . value
Determine range bounds for a set of triangular plates to be stored in a type 2 DSK segment .
204
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246,532
def dskv02 ( handle , dladsc , start , room ) : handle = ctypes . c_int ( handle ) start = ctypes . c_int ( start ) room = ctypes . c_int ( room ) n = ctypes . c_int ( ) vrtces = stypes . emptyDoubleMatrix ( 3 , room ) libspice . dskv02_c ( handle , dladsc , start , room , ctypes . byref ( n ) , vrtces ) return stypes . cMatrixToNumpy ( vrtces )
Fetch vertices from a type 2 DSK segment .
123
12
246,533
def dskw02 ( handle , center , surfid , dclass , fname , corsys , corpar , mncor1 , mxcor1 , mncor2 , mxcor2 , mncor3 , mxcor3 , first , last , vrtces , plates , spaixd , spaixi ) : handle = ctypes . c_int ( handle ) center = ctypes . c_int ( center ) surfid = ctypes . c_int ( surfid ) dclass = ctypes . c_int ( dclass ) fname = stypes . stringToCharP ( fname ) corsys = ctypes . c_int ( corsys ) corpar = stypes . toDoubleVector ( corpar ) mncor1 = ctypes . c_double ( mncor1 ) mxcor1 = ctypes . c_double ( mxcor1 ) mncor2 = ctypes . c_double ( mncor2 ) mxcor2 = ctypes . c_double ( mxcor2 ) mncor3 = ctypes . c_double ( mncor3 ) mxcor3 = ctypes . c_double ( mxcor3 ) first = ctypes . c_double ( first ) last = ctypes . c_double ( last ) nv = ctypes . c_int ( len ( vrtces ) ) vrtces = stypes . toDoubleMatrix ( vrtces ) np = ctypes . c_int ( len ( plates ) ) plates = stypes . toIntMatrix ( plates ) spaixd = stypes . toDoubleVector ( spaixd ) spaixi = stypes . toIntVector ( spaixi ) libspice . dskw02_c ( handle , center , surfid , dclass , fname , corsys , corpar , mncor1 , mxcor1 , mncor2 , mxcor2 , mncor3 , mxcor3 , first , last , nv , vrtces , np , plates , spaixd , spaixi )
Write a type 2 segment to a DSK file .
460
11
246,534
def dskx02 ( handle , dladsc , vertex , raydir ) : handle = ctypes . c_int ( handle ) vertex = stypes . toDoubleVector ( vertex ) raydir = stypes . toDoubleVector ( raydir ) plid = ctypes . c_int ( ) xpt = stypes . emptyDoubleVector ( 3 ) found = ctypes . c_int ( ) libspice . dskx02_c ( handle , ctypes . byref ( dladsc ) , vertex , raydir , ctypes . byref ( plid ) , xpt , ctypes . byref ( found ) ) return plid . value , stypes . cVectorToPython ( xpt ) , bool ( found . value )
Determine the plate ID and body - fixed coordinates of the intersection of a specified ray with the surface defined by a type 2 DSK plate model .
161
31
246,535
def dskxv ( pri , target , srflst , et , fixref , vtxarr , dirarr ) : pri = ctypes . c_int ( pri ) target = stypes . stringToCharP ( target ) nsurf = ctypes . c_int ( len ( srflst ) ) srflst = stypes . toIntVector ( srflst ) et = ctypes . c_double ( et ) fixref = stypes . stringToCharP ( fixref ) nray = ctypes . c_int ( len ( vtxarr ) ) vtxarr = stypes . toDoubleMatrix ( vtxarr ) dirarr = stypes . toDoubleMatrix ( dirarr ) xptarr = stypes . emptyDoubleMatrix ( y = nray ) fndarr = stypes . emptyIntVector ( nray ) libspice . dskxv_c ( pri , target , nsurf , srflst , et , fixref , nray , vtxarr , dirarr , xptarr , fndarr ) return stypes . cMatrixToNumpy ( xptarr ) , stypes . cVectorToPython ( fndarr )
Compute ray - surface intercepts for a set of rays using data provided by multiple loaded DSK segments .
256
22
246,536
def dsphdr ( x , y , z ) : x = ctypes . c_double ( x ) y = ctypes . c_double ( y ) z = ctypes . c_double ( z ) jacobi = stypes . emptyDoubleMatrix ( ) libspice . dsphdr_c ( x , y , z , jacobi ) return stypes . cMatrixToNumpy ( jacobi )
This routine computes the Jacobian of the transformation from rectangular to spherical coordinates .
93
16
246,537
def dtpool ( name ) : name = stypes . stringToCharP ( name ) found = ctypes . c_int ( ) n = ctypes . c_int ( ) typeout = ctypes . c_char ( ) libspice . dtpool_c ( name , ctypes . byref ( found ) , ctypes . byref ( n ) , ctypes . byref ( typeout ) ) return n . value , stypes . toPythonString ( typeout . value ) , bool ( found . value )
Return the data about a kernel pool variable .
115
9
246,538
def ducrss ( s1 , s2 ) : assert len ( s1 ) is 6 and len ( s2 ) is 6 s1 = stypes . toDoubleVector ( s1 ) s2 = stypes . toDoubleVector ( s2 ) sout = stypes . emptyDoubleVector ( 6 ) libspice . ducrss_c ( s1 , s2 , sout ) return stypes . cVectorToPython ( sout )
Compute the unit vector parallel to the cross product of two 3 - dimensional vectors and the derivative of this unit vector .
97
24
246,539
def dvcrss ( s1 , s2 ) : assert len ( s1 ) is 6 and len ( s2 ) is 6 s1 = stypes . toDoubleVector ( s1 ) s2 = stypes . toDoubleVector ( s2 ) sout = stypes . emptyDoubleVector ( 6 ) libspice . dvcrss_c ( s1 , s2 , sout ) return stypes . cVectorToPython ( sout )
Compute the cross product of two 3 - dimensional vectors and the derivative of this cross product .
99
19
246,540
def dvdot ( s1 , s2 ) : assert len ( s1 ) is 6 and len ( s2 ) is 6 s1 = stypes . toDoubleVector ( s1 ) s2 = stypes . toDoubleVector ( s2 ) return libspice . dvdot_c ( s1 , s2 )
Compute the derivative of the dot product of two double precision position vectors .
71
15
246,541
def dvhat ( s1 ) : assert len ( s1 ) is 6 s1 = stypes . toDoubleVector ( s1 ) sout = stypes . emptyDoubleVector ( 6 ) libspice . dvhat_c ( s1 , sout ) return stypes . cVectorToPython ( sout )
Find the unit vector corresponding to a state vector and the derivative of the unit vector .
70
17
246,542
def dvnorm ( state ) : assert len ( state ) is 6 state = stypes . toDoubleVector ( state ) return libspice . dvnorm_c ( state )
Function to calculate the derivative of the norm of a 3 - vector .
39
14
246,543
def dvsep ( s1 , s2 ) : assert len ( s1 ) is 6 and len ( s2 ) is 6 s1 = stypes . toDoubleVector ( s1 ) s2 = stypes . toDoubleVector ( s2 ) return libspice . dvsep_c ( s1 , s2 )
Calculate the time derivative of the separation angle between two input states S1 and S2 .
73
20
246,544
def edlimb ( a , b , c , viewpt ) : limb = stypes . Ellipse ( ) a = ctypes . c_double ( a ) b = ctypes . c_double ( b ) c = ctypes . c_double ( c ) viewpt = stypes . toDoubleVector ( viewpt ) libspice . edlimb_c ( a , b , c , viewpt , ctypes . byref ( limb ) ) return limb
Find the limb of a triaxial ellipsoid viewed from a specified point .
101
18
246,545
def edterm ( trmtyp , source , target , et , fixref , abcorr , obsrvr , npts ) : trmtyp = stypes . stringToCharP ( trmtyp ) source = stypes . stringToCharP ( source ) target = stypes . stringToCharP ( target ) et = ctypes . c_double ( et ) fixref = stypes . stringToCharP ( fixref ) abcorr = stypes . stringToCharP ( abcorr ) obsrvr = stypes . stringToCharP ( obsrvr ) trgepc = ctypes . c_double ( ) obspos = stypes . emptyDoubleVector ( 3 ) trmpts = stypes . emptyDoubleMatrix ( x = 3 , y = npts ) npts = ctypes . c_int ( npts ) libspice . edterm_c ( trmtyp , source , target , et , fixref , abcorr , obsrvr , npts , ctypes . byref ( trgepc ) , obspos , trmpts ) return trgepc . value , stypes . cVectorToPython ( obspos ) , stypes . cMatrixToNumpy ( trmpts )
Compute a set of points on the umbral or penumbral terminator of a specified target body where the target shape is modeled as an ellipsoid .
274
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def ekacec ( handle , segno , recno , column , nvals , cvals , isnull ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( recno ) column = stypes . stringToCharP ( column ) nvals = ctypes . c_int ( nvals ) vallen = ctypes . c_int ( len ( max ( cvals , key = len ) ) + 1 ) cvals = stypes . listToCharArrayPtr ( cvals ) isnull = ctypes . c_int ( isnull ) libspice . ekacec_c ( handle , segno , recno , column , nvals , vallen , cvals , isnull )
Add data to a character column in a specified EK record .
180
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246,547
def ekacei ( handle , segno , recno , column , nvals , ivals , isnull ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( recno ) column = stypes . stringToCharP ( column ) nvals = ctypes . c_int ( nvals ) ivals = stypes . toIntVector ( ivals ) isnull = ctypes . c_int ( isnull ) libspice . ekacei_c ( handle , segno , recno , column , nvals , ivals , isnull )
Add data to an integer column in a specified EK record .
148
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246,548
def ekaclc ( handle , segno , column , vallen , cvals , entszs , nlflgs , rcptrs , wkindx ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) column = stypes . stringToCharP ( column ) vallen = ctypes . c_int ( vallen ) cvals = stypes . listToCharArrayPtr ( cvals ) entszs = stypes . toIntVector ( entszs ) nlflgs = stypes . toIntVector ( nlflgs ) rcptrs = stypes . toIntVector ( rcptrs ) wkindx = stypes . toIntVector ( wkindx ) libspice . ekaclc_c ( handle , segno , column , vallen , cvals , entszs , nlflgs , rcptrs , wkindx ) return stypes . cVectorToPython ( wkindx )
Add an entire character column to an EK segment .
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def ekacld ( handle , segno , column , dvals , entszs , nlflgs , rcptrs , wkindx ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) column = stypes . stringToCharP ( column ) dvals = stypes . toDoubleVector ( dvals ) entszs = stypes . toIntVector ( entszs ) nlflgs = stypes . toIntVector ( nlflgs ) rcptrs = stypes . toIntVector ( rcptrs ) wkindx = stypes . toIntVector ( wkindx ) libspice . ekacld_c ( handle , segno , column , dvals , entszs , nlflgs , rcptrs , wkindx ) return stypes . cVectorToPython ( wkindx )
Add an entire double precision column to an EK segment .
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def ekacli ( handle , segno , column , ivals , entszs , nlflgs , rcptrs , wkindx ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) column = stypes . stringToCharP ( column ) ivals = stypes . toIntVector ( ivals ) entszs = stypes . toIntVector ( entszs ) nlflgs = stypes . toIntVector ( nlflgs ) rcptrs = stypes . toIntVector ( rcptrs ) wkindx = stypes . toIntVector ( wkindx ) libspice . ekacli_c ( handle , segno , column , ivals , entszs , nlflgs , rcptrs , wkindx ) return stypes . cVectorToPython ( wkindx )
Add an entire integer column to an EK segment .
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def ekappr ( handle , segno ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( ) libspice . ekappr_c ( handle , segno , ctypes . byref ( recno ) ) return recno . value
Append a new empty record at the end of a specified E - kernel segment .
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def ekbseg ( handle , tabnam , cnames , decls ) : handle = ctypes . c_int ( handle ) tabnam = stypes . stringToCharP ( tabnam ) ncols = ctypes . c_int ( len ( cnames ) ) cnmlen = ctypes . c_int ( len ( max ( cnames , key = len ) ) + 1 ) # needs to be len(name)+1 ie 'c1' to 3 for ekbseg do not fail cnames = stypes . listToCharArrayPtr ( cnames ) declen = ctypes . c_int ( len ( max ( decls , key = len ) ) + 1 ) decls = stypes . listToCharArrayPtr ( decls ) segno = ctypes . c_int ( ) libspice . ekbseg_c ( handle , tabnam , ncols , cnmlen , cnames , declen , decls , ctypes . byref ( segno ) ) return segno . value
Start a new segment in an E - kernel .
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def ekccnt ( table ) : table = stypes . stringToCharP ( table ) ccount = ctypes . c_int ( ) libspice . ekccnt_c ( table , ctypes . byref ( ccount ) ) return ccount . value
Return the number of distinct columns in a specified currently loaded table .
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def ekcii ( table , cindex , lenout = _default_len_out ) : table = stypes . stringToCharP ( table ) cindex = ctypes . c_int ( cindex ) lenout = ctypes . c_int ( lenout ) column = stypes . stringToCharP ( lenout ) attdsc = stypes . SpiceEKAttDsc ( ) libspice . ekcii_c ( table , cindex , lenout , column , ctypes . byref ( attdsc ) ) return stypes . toPythonString ( column ) , attdsc
Return attribute information about a column belonging to a loaded EK table specifying the column by table and index .
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def ekdelr ( handle , segno , recno ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( recno ) libspice . ekdelr_c ( handle , segno , recno )
Delete a specified record from a specified E - kernel segment .
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def ekffld ( handle , segno , rcptrs ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) rcptrs = stypes . toIntVector ( rcptrs ) libspice . ekffld_c ( handle , segno , ctypes . cast ( rcptrs , ctypes . POINTER ( ctypes . c_int ) ) )
Complete a fast write operation on a new E - kernel segment .
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def ekfind ( query , lenout = _default_len_out ) : query = stypes . stringToCharP ( query ) lenout = ctypes . c_int ( lenout ) nmrows = ctypes . c_int ( ) error = ctypes . c_int ( ) errmsg = stypes . stringToCharP ( lenout ) libspice . ekfind_c ( query , lenout , ctypes . byref ( nmrows ) , ctypes . byref ( error ) , errmsg ) return nmrows . value , error . value , stypes . toPythonString ( errmsg )
Find E - kernel data that satisfy a set of constraints .
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def ekgc ( selidx , row , element , lenout = _default_len_out ) : selidx = ctypes . c_int ( selidx ) row = ctypes . c_int ( row ) element = ctypes . c_int ( element ) lenout = ctypes . c_int ( lenout ) null = ctypes . c_int ( ) found = ctypes . c_int ( ) cdata = stypes . stringToCharP ( lenout ) libspice . ekgc_c ( selidx , row , element , lenout , cdata , ctypes . byref ( null ) , ctypes . byref ( found ) ) return stypes . toPythonString ( cdata ) , null . value , bool ( found . value )
Return an element of an entry in a column of character type in a specified row .
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def ekgd ( selidx , row , element ) : selidx = ctypes . c_int ( selidx ) row = ctypes . c_int ( row ) element = ctypes . c_int ( element ) ddata = ctypes . c_double ( ) null = ctypes . c_int ( ) found = ctypes . c_int ( ) libspice . ekgd_c ( selidx , row , element , ctypes . byref ( ddata ) , ctypes . byref ( null ) , ctypes . byref ( found ) ) return ddata . value , null . value , bool ( found . value )
Return an element of an entry in a column of double precision type in a specified row .
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def ekgi ( selidx , row , element ) : selidx = ctypes . c_int ( selidx ) row = ctypes . c_int ( row ) element = ctypes . c_int ( element ) idata = ctypes . c_int ( ) null = ctypes . c_int ( ) found = ctypes . c_int ( ) libspice . ekgi_c ( selidx , row , element , ctypes . byref ( idata ) , ctypes . byref ( null ) , ctypes . byref ( found ) ) return idata . value , null . value , bool ( found . value )
Return an element of an entry in a column of integer type in a specified row .
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def ekifld ( handle , tabnam , ncols , nrows , cnmlen , cnames , declen , decls ) : handle = ctypes . c_int ( handle ) tabnam = stypes . stringToCharP ( tabnam ) ncols = ctypes . c_int ( ncols ) nrows = ctypes . c_int ( nrows ) cnmlen = ctypes . c_int ( cnmlen ) cnames = stypes . listToCharArray ( cnames ) declen = ctypes . c_int ( declen ) recptrs = stypes . emptyIntVector ( nrows ) decls = stypes . listToCharArray ( decls ) segno = ctypes . c_int ( ) libspice . ekifld_c ( handle , tabnam , ncols , nrows , cnmlen , cnames , declen , decls , ctypes . byref ( segno ) , recptrs ) return segno . value , stypes . cVectorToPython ( recptrs )
Initialize a new E - kernel segment to allow fast writing .
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def ekinsr ( handle , segno , recno ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( recno ) libspice . ekinsr_c ( handle , segno , recno )
Add a new empty record to a specified E - kernel segment at a specified index .
73
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def eklef ( fname ) : fname = stypes . stringToCharP ( fname ) handle = ctypes . c_int ( ) libspice . eklef_c ( fname , ctypes . byref ( handle ) ) return handle . value
Load an EK file making it accessible to the EK readers .
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def eknelt ( selidx , row ) : selidx = ctypes . c_int ( selidx ) row = ctypes . c_int ( row ) return libspice . eknelt_c ( selidx , row )
Return the number of elements in a specified column entry in the current row .
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def ekntab ( ) : n = ctypes . c_int ( 0 ) libspice . ekntab_c ( ctypes . byref ( n ) ) return n . value
Return the number of loaded EK tables .
43
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246,566
def ekopn ( fname , ifname , ncomch ) : fname = stypes . stringToCharP ( fname ) ifname = stypes . stringToCharP ( ifname ) ncomch = ctypes . c_int ( ncomch ) handle = ctypes . c_int ( ) libspice . ekopn_c ( fname , ifname , ncomch , ctypes . byref ( handle ) ) return handle . value
Open a new E - kernel file and prepare the file for writing .
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def ekopr ( fname ) : fname = stypes . stringToCharP ( fname ) handle = ctypes . c_int ( ) libspice . ekopr_c ( fname , ctypes . byref ( handle ) ) return handle . value
Open an existing E - kernel file for reading .
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def ekopw ( fname ) : fname = stypes . stringToCharP ( fname ) handle = ctypes . c_int ( ) libspice . ekopw_c ( fname , ctypes . byref ( handle ) ) return handle . value
Open an existing E - kernel file for writing .
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def ekpsel ( query , msglen , tablen , collen ) : query = stypes . stringToCharP ( query ) msglen = ctypes . c_int ( msglen ) tablen = ctypes . c_int ( tablen ) collen = ctypes . c_int ( collen ) n = ctypes . c_int ( ) xbegs = stypes . emptyIntVector ( _SPICE_EK_MAXQSEL ) xends = stypes . emptyIntVector ( _SPICE_EK_MAXQSEL ) xtypes = stypes . emptyIntVector ( _SPICE_EK_MAXQSEL ) xclass = stypes . emptyIntVector ( _SPICE_EK_MAXQSEL ) tabs = stypes . emptyCharArray ( yLen = _SPICE_EK_MAXQSEL , xLen = tablen ) cols = stypes . emptyCharArray ( yLen = _SPICE_EK_MAXQSEL , xLen = collen ) error = ctypes . c_int ( ) errmsg = stypes . stringToCharP ( msglen ) libspice . ekpsel_c ( query , msglen , tablen , collen , ctypes . byref ( n ) , xbegs , xends , xtypes , xclass , ctypes . byref ( tabs ) , ctypes . byref ( cols ) , ctypes . byref ( error ) , errmsg ) return ( n . value , stypes . cVectorToPython ( xbegs ) [ : n . value ] , stypes . cVectorToPython ( xends ) [ : n . value ] , stypes . cVectorToPython ( xtypes ) [ : n . value ] , stypes . cVectorToPython ( xclass ) [ : n . value ] , stypes . cVectorToPython ( tabs ) [ : n . value ] , stypes . cVectorToPython ( cols ) [ : n . value ] , error . value , stypes . toPythonString ( errmsg ) )
Parse the SELECT clause of an EK query returning full particulars concerning each selected item .
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def ekrcec ( handle , segno , recno , column , lenout , nelts = _SPICE_EK_EKRCEX_ROOM_DEFAULT ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( recno ) column = stypes . stringToCharP ( column ) lenout = ctypes . c_int ( lenout ) nvals = ctypes . c_int ( ) cvals = stypes . emptyCharArray ( yLen = nelts , xLen = lenout ) isnull = ctypes . c_int ( ) libspice . ekrcec_c ( handle , segno , recno , column , lenout , ctypes . byref ( nvals ) , ctypes . byref ( cvals ) , ctypes . byref ( isnull ) ) assert failed ( ) or ( nvals . value <= nelts ) return nvals . value , stypes . cVectorToPython ( cvals ) [ : nvals . value ] , bool ( isnull . value )
Read data from a character column in a specified EK record .
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def ekrced ( handle , segno , recno , column , nelts = _SPICE_EK_EKRCEX_ROOM_DEFAULT ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( recno ) column = stypes . stringToCharP ( column ) nvals = ctypes . c_int ( 0 ) dvals = stypes . emptyDoubleVector ( nelts ) isnull = ctypes . c_int ( ) libspice . ekrced_c ( handle , segno , recno , column , ctypes . byref ( nvals ) , dvals , ctypes . byref ( isnull ) ) assert failed ( ) or ( nvals . value <= nelts ) return nvals . value , stypes . cVectorToPython ( dvals ) [ : nvals . value ] , bool ( isnull . value )
Read data from a double precision column in a specified EK record .
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def ekrcei ( handle , segno , recno , column , nelts = _SPICE_EK_EKRCEX_ROOM_DEFAULT ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( recno ) column = stypes . stringToCharP ( column ) nvals = ctypes . c_int ( ) ivals = stypes . emptyIntVector ( nelts ) isnull = ctypes . c_int ( ) libspice . ekrcei_c ( handle , segno , recno , column , ctypes . byref ( nvals ) , ivals , ctypes . byref ( isnull ) ) assert failed ( ) or ( nvals . value <= nelts ) return nvals . value , stypes . cVectorToPython ( ivals ) [ : nvals . value ] , bool ( isnull . value )
Read data from an integer column in a specified EK record .
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def ekssum ( handle , segno ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) segsum = stypes . SpiceEKSegSum ( ) libspice . ekssum_c ( handle , segno , ctypes . byref ( segsum ) ) return segsum
Return summary information for a specified segment in a specified EK .
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def ektnam ( n , lenout = _default_len_out ) : n = ctypes . c_int ( n ) lenout = ctypes . c_int ( lenout ) table = stypes . stringToCharP ( lenout ) libspice . ektnam_c ( n , lenout , table ) return stypes . toPythonString ( table )
Return the name of a specified loaded table .
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def ekucec ( handle , segno , recno , column , nvals , cvals , isnull ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( recno ) column = stypes . stringToCharP ( column ) nvals = ctypes . c_int ( nvals ) vallen = ctypes . c_int ( len ( max ( cvals , key = len ) ) + 1 ) cvals = stypes . listToCharArrayPtr ( cvals , xLen = vallen ) isnull = ctypes . c_int ( isnull ) libspice . ekucec_c ( handle , segno , recno , column , nvals , vallen , cvals , isnull )
Update a character column entry in a specified EK record .
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def ekuced ( handle , segno , recno , column , nvals , dvals , isnull ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( recno ) column = stypes . stringToCharP ( column ) nvals = ctypes . c_int ( nvals ) dvals = stypes . toDoubleVector ( dvals ) isnull = ctypes . c_int ( isnull ) libspice . ekaced_c ( handle , segno , recno , column , nvals , dvals , isnull )
Update a double precision column entry in a specified EK record .
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def ekucei ( handle , segno , recno , column , nvals , ivals , isnull ) : handle = ctypes . c_int ( handle ) segno = ctypes . c_int ( segno ) recno = ctypes . c_int ( recno ) column = stypes . stringToCharP ( column ) nvals = ctypes . c_int ( nvals ) ivals = stypes . toIntVector ( ivals ) isnull = ctypes . c_int ( isnull ) libspice . ekucei_c ( handle , segno , recno , column , nvals , ivals , isnull )
Update an integer column entry in a specified EK record .
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def el2cgv ( ellipse ) : assert ( isinstance ( ellipse , stypes . Ellipse ) ) center = stypes . emptyDoubleVector ( 3 ) smajor = stypes . emptyDoubleVector ( 3 ) sminor = stypes . emptyDoubleVector ( 3 ) libspice . el2cgv_c ( ctypes . byref ( ellipse ) , center , smajor , sminor ) return stypes . cVectorToPython ( center ) , stypes . cVectorToPython ( smajor ) , stypes . cVectorToPython ( sminor )
Convert an ellipse to a center vector and two generating vectors . The selected generating vectors are semi - axes of the ellipse .
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def elemc ( item , inset ) : assert isinstance ( inset , stypes . SpiceCell ) item = stypes . stringToCharP ( item ) return bool ( libspice . elemc_c ( item , ctypes . byref ( inset ) ) )
Determine whether an item is an element of a character set .
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def elemd ( item , inset ) : assert isinstance ( inset , stypes . SpiceCell ) assert inset . dtype == 1 item = ctypes . c_double ( item ) return bool ( libspice . elemd_c ( item , ctypes . byref ( inset ) ) )
Determine whether an item is an element of a double precision set .
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def elemi ( item , inset ) : assert isinstance ( inset , stypes . SpiceCell ) assert inset . dtype == 2 item = ctypes . c_int ( item ) return bool ( libspice . elemi_c ( item , ctypes . byref ( inset ) ) )
Determine whether an item is an element of an integer set .
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def eqstr ( a , b ) : return bool ( libspice . eqstr_c ( stypes . stringToCharP ( a ) , stypes . stringToCharP ( b ) ) )
Determine whether two strings are equivalent .
44
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def erract ( op , lenout , action = None ) : if action is None : action = "" lenout = ctypes . c_int ( lenout ) op = stypes . stringToCharP ( op ) action = ctypes . create_string_buffer ( str . encode ( action ) , lenout . value ) actionptr = ctypes . c_char_p ( ctypes . addressof ( action ) ) libspice . erract_c ( op , lenout , actionptr ) return stypes . toPythonString ( actionptr )
Retrieve or set the default error action . spiceypy sets the default error action to report on init .
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def errch ( marker , string ) : marker = stypes . stringToCharP ( marker ) string = stypes . stringToCharP ( string ) libspice . errch_c ( marker , string )
Substitute a character string for the first occurrence of a marker in the current long error message .
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def errdev ( op , lenout , device ) : lenout = ctypes . c_int ( lenout ) op = stypes . stringToCharP ( op ) device = ctypes . create_string_buffer ( str . encode ( device ) , lenout . value ) deviceptr = ctypes . c_char_p ( ctypes . addressof ( device ) ) libspice . errdev_c ( op , lenout , deviceptr ) return stypes . toPythonString ( deviceptr )
Retrieve or set the name of the current output device for error messages .
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def errdp ( marker , number ) : marker = stypes . stringToCharP ( marker ) number = ctypes . c_double ( number ) libspice . errdp_c ( marker , number )
Substitute a double precision number for the first occurrence of a marker found in the current long error message .
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def errint ( marker , number ) : marker = stypes . stringToCharP ( marker ) number = ctypes . c_int ( number ) libspice . errint_c ( marker , number )
Substitute an integer for the first occurrence of a marker found in the current long error message .
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def errprt ( op , lenout , inlist ) : lenout = ctypes . c_int ( lenout ) op = stypes . stringToCharP ( op ) inlist = ctypes . create_string_buffer ( str . encode ( inlist ) , lenout . value ) inlistptr = ctypes . c_char_p ( ctypes . addressof ( inlist ) ) libspice . errdev_c ( op , lenout , inlistptr ) return stypes . toPythonString ( inlistptr )
Retrieve or set the list of error message items to be output when an error is detected .
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def esrchc ( value , array ) : value = stypes . stringToCharP ( value ) ndim = ctypes . c_int ( len ( array ) ) lenvals = ctypes . c_int ( len ( max ( array , key = len ) ) + 1 ) array = stypes . listToCharArray ( array , xLen = lenvals , yLen = ndim ) return libspice . esrchc_c ( value , ndim , lenvals , array )
Search for a given value within a character string array . Return the index of the first equivalent array entry or - 1 if no equivalent element is found .
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def et2lst ( et , body , lon , typein , timlen = _default_len_out , ampmlen = _default_len_out ) : et = ctypes . c_double ( et ) body = ctypes . c_int ( body ) lon = ctypes . c_double ( lon ) typein = stypes . stringToCharP ( typein ) timlen = ctypes . c_int ( timlen ) ampmlen = ctypes . c_int ( ampmlen ) hr = ctypes . c_int ( ) mn = ctypes . c_int ( ) sc = ctypes . c_int ( ) time = stypes . stringToCharP ( timlen ) ampm = stypes . stringToCharP ( ampmlen ) libspice . et2lst_c ( et , body , lon , typein , timlen , ampmlen , ctypes . byref ( hr ) , ctypes . byref ( mn ) , ctypes . byref ( sc ) , time , ampm ) return hr . value , mn . value , sc . value , stypes . toPythonString ( time ) , stypes . toPythonString ( ampm )
Given an ephemeris epoch compute the local solar time for an object on the surface of a body at a specified longitude .
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def et2utc ( et , formatStr , prec , lenout = _default_len_out ) : et = ctypes . c_double ( et ) prec = ctypes . c_int ( prec ) lenout = ctypes . c_int ( lenout ) formatStr = stypes . stringToCharP ( formatStr ) utcstr = stypes . stringToCharP ( lenout ) libspice . et2utc_c ( et , formatStr , prec , lenout , utcstr ) return stypes . toPythonString ( utcstr )
Convert an input time from ephemeris seconds past J2000 to Calendar Day - of - Year or Julian Date format UTC .
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def etcal ( et , lenout = _default_len_out ) : lenout = ctypes . c_int ( lenout ) string = stypes . stringToCharP ( lenout ) if hasattr ( et , "__iter__" ) : strings = [ ] for t in et : libspice . etcal_c ( t , lenout , string ) checkForSpiceError ( None ) strings . append ( stypes . toPythonString ( string ) ) return strings else : et = ctypes . c_double ( et ) libspice . etcal_c ( et , lenout , string ) return stypes . toPythonString ( string )
Convert from an ephemeris epoch measured in seconds past the epoch of J2000 to a calendar string format using a formal calendar free of leapseconds .
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def eul2m ( angle3 , angle2 , angle1 , axis3 , axis2 , axis1 ) : angle3 = ctypes . c_double ( angle3 ) angle2 = ctypes . c_double ( angle2 ) angle1 = ctypes . c_double ( angle1 ) axis3 = ctypes . c_int ( axis3 ) axis2 = ctypes . c_int ( axis2 ) axis1 = ctypes . c_int ( axis1 ) r = stypes . emptyDoubleMatrix ( ) libspice . eul2m_c ( angle3 , angle2 , angle1 , axis3 , axis2 , axis1 , r ) return stypes . cMatrixToNumpy ( r )
Construct a rotation matrix from a set of Euler angles .
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def eul2xf ( eulang , axisa , axisb , axisc ) : assert len ( eulang ) is 6 eulang = stypes . toDoubleVector ( eulang ) axisa = ctypes . c_int ( axisa ) axisb = ctypes . c_int ( axisb ) axisc = ctypes . c_int ( axisc ) xform = stypes . emptyDoubleMatrix ( x = 6 , y = 6 ) libspice . eul2xf_c ( eulang , axisa , axisb , axisc , xform ) return stypes . cMatrixToNumpy ( xform )
This routine computes a state transformation from an Euler angle factorization of a rotation and the derivatives of those Euler angles .
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def exists ( fname ) : fname = stypes . stringToCharP ( fname ) return bool ( libspice . exists_c ( fname ) )
Determine whether a file exists .
36
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246,596
def expool ( name ) : name = stypes . stringToCharP ( name ) found = ctypes . c_int ( ) libspice . expool_c ( name , ctypes . byref ( found ) ) return bool ( found . value )
Confirm the existence of a kernel variable in the kernel pool .
56
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def frmnam ( frcode , lenout = _default_len_out ) : frcode = ctypes . c_int ( frcode ) lenout = ctypes . c_int ( lenout ) frname = stypes . stringToCharP ( lenout ) libspice . frmnam_c ( frcode , lenout , frname ) return stypes . toPythonString ( frname )
Retrieve the name of a reference frame associated with a SPICE ID code .
89
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def furnsh ( path ) : if isinstance ( path , list ) : for p in path : libspice . furnsh_c ( stypes . stringToCharP ( p ) ) else : path = stypes . stringToCharP ( path ) libspice . furnsh_c ( path )
Load one or more SPICE kernels into a program .
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def gcpool ( name , start , room , lenout = _default_len_out ) : name = stypes . stringToCharP ( name ) start = ctypes . c_int ( start ) room = ctypes . c_int ( room ) lenout = ctypes . c_int ( lenout ) n = ctypes . c_int ( ) cvals = stypes . emptyCharArray ( lenout , room ) found = ctypes . c_int ( ) libspice . gcpool_c ( name , start , room , lenout , ctypes . byref ( n ) , ctypes . byref ( cvals ) , ctypes . byref ( found ) ) return [ stypes . toPythonString ( x . value ) for x in cvals [ 0 : n . value ] ] , bool ( found . value )
Return the character value of a kernel variable from the kernel pool .
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