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# To: bug-gnu-utils@prep.ai.mit.edu
# Cc: arnold@gnu.ai.mit.edu
# Date: Mon, 20 Nov 1995 11:39:29 -0500
# From: "R. Hank Donnelly" <emory!head-cfa.harvard.edu!donnelly>
#
# Operating system: Linux1.2.13 (Slackware distrib)
# GAWK version: 2.15 (?)
# compiler: GCC (?)
#
# The following enclosed script does not want to fully process the input data
# file. It correctly executes the operations on the first record, and then dies
# on the second one. My true data file is much longer but this is
# representative and it does fail on a file even as short as this one.
# The failure appears to occur in the declared function add2output. Between the
# steps of incrementing NF by one and setting $NF to the passed variable
# the passed variable appears to vanish (i.e. NF does go from 68 to 69
# and before incrementing it "variable" equals what it should but after
# "variable" has no value at all.)
#
# The scripts have been developed using nawk on a Sun (where they run fine)
# I have tried gawk there but get a different crash which I have not yet traced
# down. Ideally I would like to keep the script the same so that it would run
# on either gawk or nawk (that way I can step back and forth between laptop and
# workstation.
#
# Any ideas why the laptop installation is having problems?
# Hank
#
#
# #!/usr/bin/gawk -f
BEGIN {
# set a few values
FS = "\t"
OFS = "\t"
pi = atan2(0, -1)
# distance from HRMA to focal plane in mm
fullradius = 10260.54
# set locations of parameters on input line
nf_nrg = 1
nf_order = 3
nf_item = 4
nf_suite = 5
nf_grating = 8
nf_shutter = 9
nf_type = 13
nf_src = 14
nf_target = 15
nf_voltage = 16
nf_flux = 17
nf_filt1 = 20
nf_filt1_th = 21
nf_filt2 = 22
nf_filt2_th = 23
nf_bnd = 24
nf_hrma_polar = 27
nf_hrma_az = 28
nf_detector = 30
nf_acis_read = 32
nf_acis_proc = 33
nf_acis_frame = 34
nf_hxda_aplist = 36
nf_hxda_y_range = 37
nf_hxda_z_range = 38
nf_hxda_y_step = 39
nf_hxda_z_step = 40
nf_sim_z = 41
nf_fam_polar = 43
nf_fam_az = 44
nf_fam_dither_type = 45
nf_mono_init = 51
nf_mono_range = 52
nf_mono_step = 53
nf_defocus = 54
nf_acis_temp = 55
nf_tight = 59
nf_offset_y = 64
nf_offset_z = 65
# "date" | getline date_line
# ADR: use a fixed date so that testing will work
date_line = "Sun Mar 10 23:00:27 EST 1996"
split(date_line, in_date, " ")
out_date = in_date[2] " " in_date[3] ", " in_date[6]
}
function add2output( variable ) {
#print("hi1") >> "debug"
NF++
#print("hi2") >> "debug"
$NF = variable
#print("hi3") >> "debug"
}
function error( ekey, message ) {
# print "Error at input line " NR ", anode " ekey >> "errors.cleanup"
# print " " message "." >> "errors.cleanup"
}
function hxda_na() {
$nf_hxda_aplist = $nf_hxda_y_range = $nf_hxda_z_range = "N/A"
$nf_hxda_y_step = $nf_hxda_z_step = "N/A"
}
function acis_na() {
$nf_acis_read = $nf_acis_proc = $nf_acis_frame = $nf_acis_temp = "N/A"
}
function hrc_na() {
# print ("hi") >> "debug"
}
function fpsi_na() {
acis_na()
hrc_na()
$nf_sim_z = $nf_fam_polar = $nf_fam_az = $nf_fam_dither_type = "N/A"
}
function mono_na() {
$nf_mono_init = $nf_mono_range = $nf_mono_step = "N/A"
}
# this gives the pitch and yaw of the HRMA and FAM
# positive pitch is facing the source "looking down"
# positive yaw is looking left
# 0 az is north 90 is up
# this also adds in the FAM X,Y,Z positions
function polaz2yawpitch(polar, az) {
theta = az * pi / 180
phi = polar * pi / 180 / 60
if( polar == 0 ) {
add2output( 0 )
add2output( 0 )
} else {
if(az == 0 || az == 180)
add2output( 0 )
else
add2output( - polar * sin(theta) )
# x = cos (phi)
# y = sin (phi) * cos (theta)
# add2output( atan2(y,x)*180 / pi * 60 )
if(az == 90 || az ==270 )
add2output( 0 )
else
add2output( - polar * cos(theta) )
}
# x = cos (phi)
# z= sin (phi) * sin (theta)
# add2output( atan2(z,x)*180 / pi * 60 )
if(config !~ /HXDA/) {
# negative values of defocus move us farther from the source thus
# increasing radius
radius = fullradius - defocus
# FAM_x; FAM_y; FAM_z
if((offset_y == 0) && (offset_z == 0)){
add2output( fullradius - radius * cos (phi) )
if (az == 90 || az ==270)
add2output( 0 )
else
add2output( radius * sin (phi) * cos (theta) )
if (az == 0 || az == 180)
add2output( 0 )
else
add2output( - radius * sin (phi) * sin (theta) )
} else {
# ******* THIS SEGMENT OF CODE IS NOT MATHEMATICALLY CORRECT FOR ****
# OFF AXIS ANGLES AND IS SUPPLIED AS A WORKAROUND SINCE IT WILL
# PROBABLY ONLY BE USED ON AXIS.
add2output( defocus )
add2output( offset_y )
add2output( offset_z )
}
} else {
add2output( "N/A" )
add2output( "N/A" )
add2output( "N/A" )
}
}
# set TIGHT/LOOSE to N/A if it is not one of the two allowed values
function tight_na() {
if( $nf_tight !~ /TIGHT|LOOSE/ ) {
$nf_tight == "N/A"
}
}
# this entry is used to give certain entries names
{
type = $nf_type
item = $nf_item
suite = $nf_suite
order = $nf_order
detector = $nf_detector
grating = $nf_grating
offset_y= $nf_offset_y
offset_z= $nf_offset_z
bnd = $nf_bnd
defocus = $nf_defocus
}
{
# make configuration parameter
# as well as setting configuration-dependent N/A values
if( $nf_bnd ~ "SCAN" ) {
# BND is scanning beam
config = "BND"
hxda_na()
fpsi_na()
} else {
if( grating == "NONE" ) {
config = "HRMA"
} else {
if( grating == "HETG" ) {
if( order != "Both" ) {
$nf_shutter = order substr($nf_shutter, \
index($nf_shutter, ",") )
}
} else {
order = "N/A"
}
config = "HRMA/" grating
}
if( detector ~ /ACIS|HRC/ ) {
detsys = detector
nsub = sub("-", ",", detsys)
config = config "/" detsys
hxda_na()
} else {
config = config "/HXDA"
fpsi_na()
if( detector == "HSI" ) {
hxda_na()
}
}
}
add2output( config )
if( $nf_src ~ /EIPS|Penning/ ) mono_na()
if( $nf_src == "Penning" ) $nf_voltage = "N/A"
itm = sprintf("%03d", item)
if(config in mnemonic) {
if( type in mnemonic ) {
ID = mnemonic[config] "-" mnemonic[type] "-" suite "." itm
add2output( ID )
} else {
error(type, "measurement type not in list")
}
} else {
error(config, "measurement configuration not in list")
}
# add date to output line
add2output( out_date )
# Convert HRMA polar and azimuthal angles to yaw and pitch
polaz2yawpitch($nf_hrma_polar, $nf_hrma_az)
# set TIGHT/LOOSE to N/A if it is not one of the two allowed values
tight_na()
# compute number of HXDA apertures
if( config ~ /HXDA/ && $nf_hxda_aplist != "N/A")
add2output( split( $nf_hxda_aplist, dummy, "," ) )
else
add2output( "N/A" )
# make sure the BND value is properly set
if($nf_bnd == "FIXED" && detector ~ /ACIS/)
$nf_bnd =bnd"-SYNC"
else
$nf_bnd = bnd"-FREE"
print
}
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