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ades2mpc.cpp
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ades2mpc.cpp
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/* Copyright (C) 2018, Project Pluto
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
The following functions support reading of PSV and XML ADES
data. These can be mixed with one another, and with "traditional"
80-column astrometry. It is the underlying code for all astrometry
parsing in my software.
See 'adestest.cpp' for a simple example of its use. */
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include "stringex.h"
#include <stdio.h>
#include <ctype.h>
#include "watdefs.h"
#include "date.h"
#include "mpc_func.h"
#include "afuncs.h"
#define NOT_A_VALID_TIME -3.141e+17
#define MAX_DEPTH 20
#define PIECE_SIZE 26
typedef struct
{
int depth, tags[MAX_DEPTH];
char line[83]; /* allow possible CR, LF, & null */
char line2[83];
char rms_ra[PIECE_SIZE], rms_dec[PIECE_SIZE], corr[PIECE_SIZE];
char rms_mag[PIECE_SIZE], rms_time[PIECE_SIZE];
char full_ra[PIECE_SIZE], full_dec[PIECE_SIZE], full_mag[9];
char notes[7], program_code[3];
char trk_sub[14], obs_id[PIECE_SIZE], trk_id[12], passband[4];
long double full_t2k;
int id_set, getting_lines, spacecraft_center;
int prev_line_passed_through;
int prev_rval, n_psv_fields;
int *psv_tags;
double spacecraft_vel[3];
bool ignore_artsat_desigs;
} ades2mpc_t;
void *init_ades2mpc( void)
{
ades2mpc_t *rval = (ades2mpc_t *)calloc( 1, sizeof( ades2mpc_t));
rval->full_t2k = NOT_A_VALID_TIME;
return( rval);
}
/* The logic of processing ADES data to 80-column punched-card format is
somewhat convoluted. We have to take a possible mix of PSV and XML ADES
with 80-column data, plus possible extraneous text, and convert it to
a modified version of the MPC's format. The 'modification' is that
the times and RA/decs can be given to greater precision, and uncertainties
expressed with comment lines such as
COM Sigmas 0.5x0.4,0.93 m:0.02 t:0.5
to indicate RA sigma = 0.5 arcsec, dec simga = 0.4, that the correlation
between them is 0.93, magnitude uncertainty is 0.02, and the timing
uncertainty is 0.5 seconds. Note that the above comment can pass
through MPC's processing, but the actual information is left present
for Find_Orb and other software.
But it _does_ mean that a single PSV line may be output as two or
more lines (the above sigmas, and finally an 80-column astrometric
record). With XML, we have to read in many lines, gradually assembling
the sigmas and the 80-column output; only when we reach the closing
</optical> tag can we cough up two or more lines. If it's an MPC
line, we can pass it through unaltered... _unless_ it's a Dave Tholen
style 92-column line, with 80 "traditional" columns and sigmas in
the last twelve columns.
The above 'ades2mpc_t' context structure stores the various bits
of the output line(s). When we read a PSV line or hit the </optical>
XML closing tag, we set 'getting_lines' to 1, i.e., "we've got
the data we need; start outputting corresponding lines such as
the above comment and 80-column MPC data."
At that point, each call to xlate_ades2mpc( ) gets passed
along to get_a_line( ), which checks to see if we have some sigmas
or (for satellite observations) an object center or one or
(for satellite, radar, and roving observations) two 80-column
lines to be output. After we've done all that, 'getting_lines'
is reset to zero, and we're ready to accept the next observation(s). */
/* In theory, when we reach the end of the file, any 'state' flags that
got set (because of encountering ADES tags) should be cleared (because of
encountering closing tags). */
int free_ades2mpc_context( void *context)
{
ades2mpc_t *tptr = (ades2mpc_t *)context;
const int rval = tptr->depth;
if( tptr->psv_tags)
free( tptr->psv_tags);
free( context);
return( rval);
}
/* see 'adestags.c' for code that generates these #defines. Tags are
sorted so that a binary search can speed up tag matching slightly. */
#define ADES_Location 1
#define ADES_MPCID 2
#define ADES_OffsetVal 3
#define ADES_OpticalID 4
#define ADES_OpticalRes 5
#define ADES_OpticalResMag 6
#define ADES_OpticalResiduals 7
#define ADES_Photometry 8
#define ADES_Precision 9
#define ADES_RadarID 10
#define ADES_RadarResiduals 11
#define ADES_RadarValue 12
#define ADES_ades 13
#define ADES_aperture 14
#define ADES_arrayScale 15
#define ADES_artSat 16
#define ADES_astCat 17
#define ADES_astrometry 18
#define ADES_band 19
#define ADES_biasDec 20
#define ADES_biasMag 21
#define ADES_biasRA 22
#define ADES_biasTime 23
#define ADES_coinvestigators 24
#define ADES_collaborators 25
#define ADES_com 26
#define ADES_comment 27
#define ADES_ctr 28
#define ADES_dec 29
#define ADES_decStar 30
#define ADES_delay 31
#define ADES_deltaDec 32
#define ADES_deltaRA 33
#define ADES_deprecated 34
#define ADES_design 35
#define ADES_detector 36
#define ADES_disc 37
#define ADES_dist 38
#define ADES_doppler 39
#define ADES_exp 40
#define ADES_fRatio 41
#define ADES_filter 42
#define ADES_fitOrder 43
#define ADES_frq 44
#define ADES_fundingSource 45
#define ADES_institution 46
#define ADES_line 47
#define ADES_localUse 48
#define ADES_logSNR 49
#define ADES_mag 50
#define ADES_measurers 51
#define ADES_mode 52
#define ADES_mpcCode 53
#define ADES_nStars 54
#define ADES_name 55
#define ADES_notes 56
#define ADES_nucMag 57
#define ADES_objectDetection 58
#define ADES_obsBlock 59
#define ADES_obsCenter 60
#define ADES_obsContext 61
#define ADES_obsData 62
#define ADES_obsID 63
#define ADES_obsSubID 64
#define ADES_obsTime 65
#define ADES_observatory 66
#define ADES_observers 67
#define ADES_occultation 68
#define ADES_offset 69
#define ADES_optical 70
#define ADES_opticalResidual 71
#define ADES_orbID 72
#define ADES_orbProd 73
#define ADES_pa 74
#define ADES_permID 75
#define ADES_photAp 76
#define ADES_photCat 77
#define ADES_photMod 78
#define ADES_photProd 79
#define ADES_photometry 80
#define ADES_pixelScale 81
#define ADES_pos1 82
#define ADES_pos2 83
#define ADES_pos3 84
#define ADES_posCov11 85
#define ADES_posCov12 86
#define ADES_posCov13 87
#define ADES_posCov22 88
#define ADES_posCov23 89
#define ADES_posCov33 90
#define ADES_precDec 91
#define ADES_precRA 92
#define ADES_precTime 93
#define ADES_prog 94
#define ADES_provID 95
#define ADES_ra 96
#define ADES_raStar 97
#define ADES_radar 98
#define ADES_radarResidual 99
#define ADES_rcv 100
#define ADES_ref 101
#define ADES_remarks 102
#define ADES_resDec 103
#define ADES_resDelay 104
#define ADES_resDoppler 105
#define ADES_resMag 106
#define ADES_resRA 107
#define ADES_rmsCorr 108
#define ADES_rmsDec 109
#define ADES_rmsDelay 110
#define ADES_rmsDist 111
#define ADES_rmsDoppler 112
#define ADES_rmsFit 113
#define ADES_rmsMag 114
#define ADES_rmsPA 115
#define ADES_rmsRA 116
#define ADES_rmsTime 117
#define ADES_seeing 118
#define ADES_selAst 119
#define ADES_selDelay 120
#define ADES_selDoppler 121
#define ADES_selPhot 122
#define ADES_shapeOcc 123
#define ADES_sigCorr 124
#define ADES_sigDec 125
#define ADES_sigDelay 126
#define ADES_sigDoppler 127
#define ADES_sigMag 128
#define ADES_sigRA 129
#define ADES_sigTime 130
#define ADES_software 131
#define ADES_stn 132
#define ADES_subFmt 133
#define ADES_subFrm 134
#define ADES_submitter 135
#define ADES_sys 136
#define ADES_telescope 137
#define ADES_trkID 138
#define ADES_trkMPC 139
#define ADES_trkSub 140
#define ADES_trx 141
#define ADES_uncTime 142
#define ADES_vel1 143
#define ADES_vel2 144
#define ADES_vel3 145
/* See 'adestags.c' for code that created following array
and the above #defines. */
static int find_tag( const char *buff, size_t len)
{
static const char *tags[] = {
"Location", "MPCID", "OffsetVal", "OpticalID",
"OpticalRes", "OpticalResMag", "OpticalResiduals",
"Photometry", "Precision", "RadarID", "RadarResiduals",
"RadarValue", "ades", "aperture", "arrayScale", "artSat",
"astCat", "astrometry", "band", "biasDec", "biasMag",
"biasRA", "biasTime", "coinvestigators", "collaborators",
"com", "comment", "ctr", "dec", "decStar", "delay",
"deltaDec", "deltaRA", "deprecated", "design", "detector",
"disc", "dist", "doppler", "exp", "fRatio", "filter",
"fitOrder", "frq", "fundingSource", "institution", "line",
"localUse", "logSNR", "mag", "measurers", "mode",
"mpcCode", "nStars", "name", "notes", "nucMag",
"objectDetection", "obsBlock", "obsCenter", "obsContext",
"obsData", "obsID", "obsSubID", "obsTime", "observatory",
"observers", "occultation", "offset", "optical",
"opticalResidual", "orbID", "orbProd", "pa", "permID",
"photAp", "photCat", "photMod", "photProd", "photometry",
"pixelScale", "pos1", "pos2", "pos3", "posCov11",
"posCov12", "posCov13", "posCov22", "posCov23", "posCov33",
"precDec", "precRA", "precTime", "prog", "provID", "ra",
"raStar", "radar", "radarResidual", "rcv", "ref",
"remarks", "resDec", "resDelay", "resDoppler", "resMag",
"resRA", "rmsCorr", "rmsDec", "rmsDelay", "rmsDist",
"rmsDoppler", "rmsFit", "rmsMag", "rmsPA", "rmsRA",
"rmsTime", "seeing", "selAst", "selDelay", "selDoppler",
"selPhot", "shapeOcc", "sigCorr", "sigDec", "sigDelay",
"sigDoppler", "sigMag", "sigRA", "sigTime", "software",
"stn", "subFmt", "subFrm", "submitter", "sys", "telescope",
"trkID", "trkMPC", "trkSub", "trx", "uncTime", "vel1",
"vel2", "vel3",
NULL };
int i, rval = -1;
if( *buff == '/') /* closing tag */
{
buff++;
len--;
}
if( !memcmp( buff, "ades", 4))
rval = 0;
for( i = 0; tags[i] && rval == -1; i++)
if( !memcmp( tags[i], buff, len) && !tags[i][len])
rval = i + 1;
return( rval);
}
/* Packs references such as 'MPEC 2021-D85' into the five-byte form
'ED085'. */
static inline void pack_mpc_reference( char *packed, const char *ref)
{
const size_t len = strlen( ref);
char temp_packed[6];
if( len >= 12 && len <= 14 && !memcmp( ref, "MPEC ", 5) && ref[9] == '-')
{
*packed++ = 'E';
*packed++ = ref[10];
ref += 11;
packed[0] = packed[1] = '0';
memcpy( packed + 14 - len, ref, len - 11);
}
else if( !memcmp( ref, "MPS ", 4))
{
unsigned mps_number = atoi( ref + 4);
if( mps_number < 260000)
{
snprintf_err( temp_packed, sizeof( temp_packed),
"%c%04u", 'a' + mps_number / 10000,
mps_number % 10000);
memcpy( packed, temp_packed, 5);
}
else
{
*packed = '~';
encode_value_in_mutant_hex( packed + 1, 4, mps_number - 260000);
}
}
else if( !memcmp( ref, "MPC ", 4))
{
unsigned mpc_number = atoi( ref + 4);
if( mpc_number < 110000)
{
snprintf_err( temp_packed, sizeof( temp_packed),
(mpc_number < 100000 ? "%05u" : "@%04u"), mpc_number % 100000);
memcpy( packed, temp_packed, 5);
}
else
{
*packed = '#';
encode_value_in_mutant_hex( packed + 1, 4, mpc_number - 110000);
}
}
else if( *ref == '!')
{
memcpy( packed, " ", 5);
memcpy( packed, ref, len > 5 ? 5 : len);
}
}
static inline size_t move_fits_time( char *optr, const char *iptr)
{
char *optr0 = optr;
if( iptr[4] == '-' && iptr[7] == '-' && iptr[10] == 'T'
&& iptr[13] == ':')
{
const int century = iptr[0] * 10 + iptr[1] - '0' * 11;
*optr++ = int_to_mutant_hex_char( century);
iptr += 2;
while( *iptr && *iptr != 'Z')
{
if( *iptr >= '0' && *iptr <= '9')
*optr++ = *iptr;
else if( *iptr == 'T')
*optr++ = ':';
iptr++;
}
}
return( optr - optr0);
}
static inline int place_value( char *optr, const char *iptr, const size_t ilen,
size_t leading_places)
{
size_t i, point_loc = ilen;
for( i = 0; i < ilen; i++)
if( iptr[i] == '.')
point_loc = i;
assert( leading_places >= point_loc);
if( ilen - point_loc > 8) /* overly long; read value and round it */
{
char tbuff[13];
snprintf_err( tbuff, sizeof( tbuff), (leading_places == 2 ? "%11.8f " : "%12.8f"),
atof( iptr));
memcpy( optr, tbuff, 12);
return (1);
}
while( leading_places > point_loc)
{
*optr++ = '0';
leading_places--;
}
memcpy( optr, iptr, (ilen < 9 + leading_places) ? ilen : 9 + leading_places);
return( 0);
}
static const char *skip_whitespace( const char *tptr)
{
while( *tptr && isspace( *tptr))
tptr++;
return( tptr);
}
static int get_a_line( char *obuff, const size_t obuff_size, ades2mpc_t *cptr)
{
if (cptr->rms_ra[0])
{
snprintf_err( obuff, obuff_size, "COM Sigmas %s", cptr->rms_ra);
if( strcmp( cptr->rms_ra, cptr->rms_dec))
{
snprintf_append( obuff, obuff_size, "x%s", cptr->rms_dec);
if( atof( cptr->corr))
snprintf_append( obuff, obuff_size, ",%s", cptr->corr);
}
if( cptr->rms_mag[0])
{
strlcat_err( obuff, " m:", obuff_size);
strlcat_err( obuff, cptr->rms_mag, obuff_size);
cptr->rms_mag[0] = '\0';
}
if( cptr->rms_time[0])
{
strlcat_err( obuff, " t:", obuff_size);
strlcat_err( obuff, cptr->rms_time, obuff_size);
cptr->rms_time[0] = '\0';
}
cptr->rms_ra[0] = '\0';
strlcat_err( obuff, "\n", obuff_size);
}
else if( cptr->trk_sub[0] || cptr->obs_id[0] || cptr->trk_id[0])
{
strlcpy_err( obuff, "COM IDs", obuff_size);
if( cptr->trk_sub[0])
snprintf_append( obuff, obuff_size, " trkSub:%s", cptr->trk_sub);
if( cptr->obs_id[0])
snprintf_append( obuff, obuff_size, " obsID:%s", cptr->obs_id);
if( cptr->trk_id[0])
snprintf_append( obuff, obuff_size, " trkID:%s", cptr->trk_id);
cptr->trk_sub[0] = cptr->obs_id[0] = cptr->trk_id[0] = '\0';
strlcat_err( obuff, "\n", obuff_size);
}
else if( cptr->full_ra[0] || cptr->full_dec[0] || cptr->full_t2k != NOT_A_VALID_TIME)
{
snprintf_err( obuff, obuff_size, "COM RA/dec %s %s",
(cptr->full_ra[0] ? cptr->full_ra : "-"),
(cptr->full_dec[0] ? cptr->full_dec : "-"));
if( cptr->full_t2k != NOT_A_VALID_TIME)
snprintf_append( obuff, obuff_size, " %.15f", (double)cptr->full_t2k);
strlcat_err( obuff, "\n", obuff_size);
cptr->full_ra[0] = cptr->full_dec[0] = '\0';
cptr->full_t2k = NOT_A_VALID_TIME;
}
else if( cptr->full_dec[0])
{
snprintf_err( obuff, obuff_size, "COM RA/dec - %s\n", cptr->full_dec);
cptr->full_dec[0] = '\0';
}
else if( cptr->full_mag[0])
{
snprintf_err( obuff, obuff_size, "COM full mag %s\n", cptr->full_mag);
cptr->full_mag[0] = '\0';
}
else if( cptr->passband[1] || cptr->notes[0] > ' ' || cptr->program_code[0] >= ' ')
{
snprintf_err( obuff, obuff_size, "COM ADES tags");
if( cptr->passband[1])
snprintf_append( obuff, obuff_size, " band:%s", cptr->passband);
if( cptr->notes[0] >= ' ')
snprintf_append( obuff, obuff_size, " notes:%s", cptr->notes);
if( cptr->program_code[0] >= ' ')
snprintf_append( obuff, obuff_size, " progcode:%s", cptr->program_code);
cptr->passband[1] = cptr->notes[0] = cptr->program_code[0] = '\0';
}
else if( cptr->spacecraft_vel[0] || cptr->spacecraft_vel[1] || cptr->spacecraft_vel[2])
{
double multiplier = 1.;
if( cptr->line2[32] == '2') /* units are AU and days; */
multiplier = AU_IN_KM / seconds_per_day;
snprintf_err( obuff, obuff_size, "COM vel (km/s) %.14s %+13.7f%13.7f%13.7f %s",
cptr->line + 15,
cptr->spacecraft_vel[0] * multiplier,
cptr->spacecraft_vel[1] * multiplier,
cptr->spacecraft_vel[2] * multiplier,
cptr->line + 77);
memset( cptr->spacecraft_vel, 0, sizeof( cptr->spacecraft_vel));
}
else if( cptr->line[0])
{
strlcpy( obuff, cptr->line, obuff_size);
if( cptr->line2[0]) /* yes, we've a valid line 2 */
{
memcpy( cptr->line2, cptr->line, 12);
memcpy( cptr->line2 + 15, cptr->line + 15, 17);
if( cptr->spacecraft_center != 399)
snprintf_err( cptr->line2 + 69, 9, "%8d", cptr->spacecraft_center);
memcpy( cptr->line2 + 77, cptr->line + 77, 3);
}
cptr->line[0] = '\0';
}
else if( cptr->line2[0])
{
strlcpy_err( obuff, cptr->line2, obuff_size);
cptr->line2[0] = '\0';
}
else /* got all the lines we'll get */
cptr->getting_lines = 0;
return( cptr->getting_lines);
}
/* Returns 1 if it's a properly handled header tag, 0 if it's some
other tag or among the remaining unhandled header tags (I'm not
dealing with the telescope details yet, for example.) */
static int process_ades_tag( char *obuff, ades2mpc_t *cptr, const int itag,
const char *tptr, size_t len)
{
int rval = 0;
char name[40];
const size_t obuff_size = 221;
assert( obuff);
*obuff = '\0';
if( len < sizeof( name))
{
memcpy( name, tptr, len);
name[len] = '\0';
}
switch( itag)
{
case ADES_mpcCode:
snprintf_err( obuff, obuff_size, "COD %s\n", name);
rval = 1;
break;
case ADES_name:
case ADES_line:
case ADES_institution:
{
const char *format = NULL;
if( cptr->depth > 1)
switch( cptr->tags[cptr->depth - 2])
{
case ADES_mpcCode:
case ADES_comment:
format = "COM %.*s\n";
break;
case ADES_observatory:
format = "COM Observatory name %.*s\n";
break;
case ADES_observers:
format = "OBS %.*s\n";
break;
case ADES_measurers:
format = "MEA %.*s\n";
break;
case ADES_submitter:
format = "CON %.*s\n";
break;
default:
format = "COM Mangled '%.*s'\n";
break;
}
if( format)
snprintf_err( obuff, obuff_size, format, (int)len, tptr);
else
strlcpy_err( obuff, "COM Mangled name data\n", obuff_size);
rval = 1;
}
break;
case ADES_stn:
memcpy( cptr->line + 77, tptr, 3);
break;
case ADES_obsTime:
{
const bool too_far_in_future = (atoi( tptr) > 2099);
if( move_fits_time( cptr->line + 15, tptr) > 17 || too_far_in_future)
{
char *zptr = strchr( name, 'Z');
if( zptr)
*zptr = '\0';
cptr->full_t2k = get_time_from_stringl( 0., name, 0, NULL);
if( too_far_in_future)
cptr->line[15] = 'K';
}
}
break;
case ADES_band:
if( (*tptr == 'P' || *tptr == 'S')
&& strchr( "grizwy", tptr[1]) && tptr[1])
cptr->line[70] = tptr[1]; /* PanSTARRS or Sloan band */
else if( *tptr == 'A' && (tptr[1] == 'o' || tptr[1] == 'c'))
cptr->line[70] = tptr[1]; /* ATLAS Ao & Ac bands */
else if( *tptr == 'G' && (tptr[1] == 'b' || tptr[1] == 'r'))
cptr->line[70] = tptr[1]; /* Gaia b or r band */
else
cptr->line[70] = *tptr;
assert( len > 0 && len < 4); /* three-byte passcodes are allowed */
strcpy( cptr->passband, name);
break;
case ADES_mode:
if( len == 3)
{ /* https://www.minorplanetcenter.net/iau/info/ADESFieldValues.html */
const char *modes = "CCCD BCMO VVID PPHO eENC pPMT"
" MMIC TMER CTDI EOCC ?UNK ";
int i;
for( i = 0; modes[i]; i += 5)
if( !memcmp( modes + i + 1, tptr, 3))
cptr->line[14] = modes[i];
}
break;
case ADES_disc:
if( *tptr == '*')
cptr->line[12] = '*';
break;
case ADES_ref:
if( len < sizeof( name))
pack_mpc_reference( cptr->line + 72, name);
break;
case ADES_prog:
{
const char *programs = "0123456789!\"#$%&'()*+,-./[\\]^_`{|}~";
const int idx = atoi( tptr);
if( idx >=0 && idx <= 34)
cptr->line[13] = programs[idx];
assert( len < sizeof( cptr->program_code));
strlcpy_err( cptr->program_code, name, sizeof( cptr->program_code));
}
break;
case ADES_sys:
cptr->line2[0] = ' ';
cptr->line2[14] = 's'; /* assume spacecraft-based */
if( !strcmp( name, "ICRF_KM"))
cptr->line2[32] = '1';
else if( !strcmp( name, "ICRF_AU"))
cptr->line2[32] = '2';
else if( !strcmp( name, "WGS84"))
{
cptr->line2[32] = '1';
cptr->line2[14] = 'v'; /* nope, it's a roving observer */
}
else if( !strcmp( name, "ITRF") || !strcmp( name, "IAU"))
{
strlcpy_err( obuff, "Can't handle <sys> ITRF or IAU yet\n", obuff_size);
assert( 0);
}
else
{
strlcpy_err( obuff, "Bad <sys> tag\n", obuff_size);
assert( 0);
}
cptr->line[14] = toupper( cptr->line2[14]);
break;
case ADES_ctr:
cptr->spacecraft_center = atoi( name);
break;
case ADES_vel1:
case ADES_vel2:
case ADES_vel3:
assert( cptr->line[14] == 'S');
cptr->spacecraft_vel[itag - ADES_vel1] = atof( name);
break;
case ADES_pos1:
case ADES_pos2:
case ADES_pos3:
assert( cptr->line[14] == 'S' || cptr->line[14] == 'V');
if( cptr->line[14] == 'S') /* satellite offset */
{
const int sign_loc = 34 + (itag - ADES_pos1) * 12;
int nlen = (int)len, decimal_loc = 0;
char *tptr2;
if( cptr->line2[32] == '2')
decimal_loc = sign_loc + 6;
else if( cptr->line2[32] == '1')
decimal_loc = sign_loc + 2;
else
{
strlcpy_err( obuff, "Bad posn data\n", obuff_size);
rval = 1;
}
/* cvt scientific notation, if any : */
if( strchr( name, 'e') || strchr( name, 'E'))
{
snprintf_err( name, sizeof( name), "%.13f", atof( name));
nlen = 12;
}
if( *name != '+' && *name != '-') /* no sign provided; */
{ /* insert one */
nlen++;
memmove( name + 1, name, nlen);
*name = '+';
}
cptr->line2[sign_loc] = *name;
tptr2 = strchr( name, '.');
assert( tptr2);
if( cptr->line2[32] == '1')
{
decimal_loc = sign_loc + 6;
if( tptr2 - name >= 7) /* beyond 100000 km */
decimal_loc++;
if( tptr2 - name >= 8) /* one to ten million km */
decimal_loc++;
assert( tptr2 - name < 9);
}
else if( cptr->line2[32] == '2')
{
decimal_loc = sign_loc + 2;
if( tptr2 - name == 3) /* beyond 10 AU */
decimal_loc++;
assert( tptr2 - name < 4);
}
else
{
strlcpy_err( obuff, "Bad posn data\n", obuff_size);
rval = 1;
}
if( decimal_loc)
{
decimal_loc -= (int)(tptr2 - name);
memcpy( &cptr->line2[decimal_loc + 1], name + 1,
(nlen > 11 ? 10 : nlen - 1));
}
}
else /* roving observer */
{
char *tptr2 = strchr( name, '.');
size_t loc;
if( itag == ADES_pos1) /* East longitude */
loc = 37 - (tptr2 - name);
else if( itag == ADES_pos2)
{ /* lat _must_ be signed, w/sign in column 46 */
if( *name == '-' || *name == '+')
{
cptr->line2[45] = *name;
memmove( name, name + 1, len);
tptr2--;
len--;
}
else
cptr->line2[45] = '+';
loc = 48 - (tptr2 - name);
}
else /* altitude */
loc = 61 - len;
memcpy( cptr->line2 + loc, name, len);
}
break;
case ADES_ra:
if( *tptr == '+')
{
tptr++;
len--;
}
if( place_value( cptr->line + 32, tptr, len, 3))
{
memcpy( cptr->full_ra, tptr, len); /* 'overlong' RA */
cptr->full_ra[len] = '\0';
}
break;
case ADES_dec:
if( *tptr == '-' || *tptr == '+')
{
cptr->line[44] = *tptr++;
len--;
}
else
cptr->line[44] = '+';
if( place_value( cptr->line + 45, tptr, len, 2))
{ /* 'overlong' dec */
cptr->full_dec[0] = cptr->line[44];
memcpy( cptr->full_dec + 1, tptr, len);
cptr->full_dec[len + 1] = '\0';
}
break;
case ADES_astCat:
assert( len < sizeof( name));
cptr->line[71] = net_name_to_byte_code( name);
assert( cptr->line[71]);
break;
case ADES_rmsRA:
assert( len < sizeof( cptr->rms_ra));
strlcpy_err( cptr->rms_ra, name, sizeof( cptr->rms_ra));
break;
case ADES_notes:
assert( len < sizeof( cptr->notes));
strlcpy_err( cptr->notes, name, sizeof( cptr->notes));
cptr->line[13] = name[0];
break;
case ADES_rmsDec:
assert( len < sizeof( cptr->rms_dec));
strlcpy_err( cptr->rms_dec, name, sizeof( cptr->rms_dec));
break;
case ADES_rmsCorr:
assert( len < sizeof( cptr->corr));
strlcpy_err( cptr->corr, name, sizeof( cptr->corr));
break;
case ADES_rmsTime:
assert( len < sizeof( cptr->rms_time));
strlcpy_err( cptr->rms_time, name, sizeof( cptr->rms_time));
break;
case ADES_rmsMag:
assert( len < sizeof( cptr->rms_mag));
strlcpy_err( cptr->rms_mag, name, sizeof( cptr->rms_mag));
break;
case ADES_provID:
if( cptr->id_set == ADES_permID)
break; /* FALLTHRU */
case ADES_permID:
{
char tbuff[20];
int i = 0;
assert( len < sizeof( name));
while( isdigit( name[i]))
i++;
if( !name[i]) /* simple numbered object, desig is nothing but */
{ /* digits : put parentheses around it */
memmove( name + 1, name, i);
name[0] = '(';
name[i + 1] = ')';
name[i + 2] = '\0';
}
create_mpc_packed_desig( tbuff, name);
memcpy( cptr->line, tbuff, 12);
cptr->id_set = itag;
}
break;
case ADES_artSat:
assert( len < 13);
if( !cptr->id_set && !cptr->ignore_artsat_desigs)
{
cptr->id_set = ADES_artSat;
memcpy( cptr->line, tptr, len);
}
break;
case ADES_trkSub:
assert( len < 13);
strlcpy_err( cptr->trk_sub, name, sizeof( cptr->trk_sub));
if( !cptr->id_set)
{
cptr->id_set = ADES_trkSub;
if( len < 8)
memcpy( cptr->line + 5, tptr, len);
else
memcpy( cptr->line + 12 - len, tptr, len);
}
break;
break;
case ADES_trkID:
assert( len < sizeof( cptr->trk_id));
strlcpy_err( cptr->trk_id, name, sizeof( cptr->trk_id));
break;
case ADES_obsID:
assert( len < sizeof( cptr->obs_id));
strlcpy_err( cptr->obs_id, name, sizeof( cptr->obs_id));
break;
case ADES_mag:
memcpy( cptr->line + 65, tptr, (len < 5) ? len : 5);
if( len > 5)
strlcpy_err( cptr->full_mag, name, sizeof( cptr->full_mag));
break;
case ADES_trkMPC: /* trkSub if it's deprecated; */
break; /* currently ignored */
default:
snprintf_err( obuff, obuff_size, "COM Unhandled ADES tag %d", itag);
break;
}
return( rval);
}
static int process_psv_tag( ades2mpc_t *cptr, char *obuff, const int itag,
const char *ibuff)
{
int rval = 0;
size_t len = 0;
ibuff = skip_whitespace( ibuff);
while( ibuff[len] != '|' && ibuff[len] >= ' ')
len++;
while( len && ibuff[len - 1] == ' ')
len--; /* drop trailing spaces */
if( len && itag >= 0)
rval = process_ades_tag( obuff, cptr, itag, ibuff, len);
return( rval);
}
static void setup_observation( ades2mpc_t *cptr)
{
memset( cptr->line, ' ', 80);
strlcpy_err( cptr->line + 80, "\n", 2);
memset( cptr->line2, ' ', 80);
strlcpy_err( cptr->line2 + 80, "\n", 2);
cptr->line2[0] = '\0';
cptr->id_set = 0;
cptr->spacecraft_center = 399; /* default to geocentric */
cptr->full_t2k = NOT_A_VALID_TIME;
}
/* The following checks to see if the input is astrometry with "Dave
Tholen sigmas", such as
2019 SH3 C2019 09 26.56792500 00 13.041-05 25 38.05 18.6 G T12 0.050 0.049
If it is, the line is converted to two lines with the designation in the
packed form desired by MPC, and the sigmas on a separate comment line :
COM Sigmas 0.050x0.049
K19S03H C2019 09 26.56792500 00 13.041-05 25 38.05 18.6 G T12
*/
static int check_for_tholen_sigmas( ades2mpc_t *cptr, char *obuff, const char *ibuff)
{
int rval = 0;
if( strlen( ibuff) >= 92 && (unsigned char)ibuff[92] < ' '
&& ibuff[82] == '.' && ibuff[88] == '.'
&& ibuff[80] == ' ' && ibuff[86] == ' '
&& is_valid_mpc_code( ibuff + 77))
{
memcpy( obuff, ibuff, 80);
obuff[80] = '\0';
if( extract_date_from_mpc_report( obuff, NULL))
{
char packed_desig[13];
setup_observation( cptr);
memcpy( cptr->rms_ra, ibuff + 81, 5);
memcpy( cptr->rms_dec, ibuff + 87, 5);
cptr->rms_ra[5] = cptr->rms_dec[5] = '\0';
strlcpy_err( cptr->line, obuff, sizeof( cptr->line));
obuff[12] = '\0';
if( !create_mpc_packed_desig( packed_desig, obuff))
memcpy( cptr->line, packed_desig, 12);
cptr->getting_lines = rval = 1;
}
}
return( rval);
}
static int process_psv_line( ades2mpc_t *cptr, char *obuff, const char *ibuff)
{
const char *tptr = ibuff;
int i = 0;
while( tptr && i <= cptr->n_psv_fields)
{
tptr = strchr( tptr, '|');
if( tptr)
tptr++;
i++;
}
if( i != cptr->n_psv_fields)
return( 0); /* it's not a PSV line */
setup_observation( cptr);
for( i = 0; i < cptr->n_psv_fields; i++)
{
process_psv_tag( cptr, obuff, cptr->psv_tags[i], ibuff);
ibuff = strchr( ibuff, '|');
if( i != cptr->n_psv_fields - 1)
{
assert( ibuff);
ibuff++;
}
}