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# Copyright (C) 1999-2018
# Smithsonian Astrophysical Observatory, Cambridge, MA, USA
# For conditions of distribution and use, see copyright notice in "copyright"
package provide DS9 1.0
proc CATCDS {varname} {
upvar #0 $varname var
global $varname
global pcat
global debug
if {$debug(tcl,cat)} {
puts stderr "CATCDS $varname"
}
# go for votable or tsv
if {$pcat(vot)} {
set var(proc,parser) VOTParse
} else {
set var(proc,reader) CATCDSReader
}
# url
set site [CATCDSURL $var(server)]
set cgidir {viz-bin}
if {$pcat(vot)} {
set script {votable}
} else {
set script {asu-tsv}
}
set var(url) "http://$site/$cgidir/$script"
# query
switch $var(skyformat) {
degrees {
set xx $var(x)
set yy $var(y)
}
sexagesimal {
switch -- $var(sky) {
fk4 -
fk5 -
icrs {set xx [h2d [Sex2H $var(x)]]}
galactic -
ecliptic {set xx [Sex2D $var(x)]}
}
set yy [Sex2D $var(y)]
}
}
if {$yy>0} {
set yy "+$yy"
}
switch -- $var(sky) {
fk4 {set eq "B1950"}
fk5 -
icrs {set eq "J2000"}
galactic {set eq "Gal"}
ecliptic {set eq "Ecl"}
}
switch -- $var(rformat) {
degrees {set cr "-c.rd"}
arcmin {set cr "-c.rm"}
arcsec {set cr "-c.rs"}
}
set rr $var(radius)
set query [http::formatQuery -source $var(catalog) -c $xx$yy -c.eq $eq $cr $rr -oc.form dec]
if {$pcat(vot)} {
append query "&[http::formatQuery -out.form VOTable]"
} else {
append query "&[http::formatQuery -out.form Tab-Separated-Values]"
}
switch -- $var(psky) {
fk4 {append query "&[http::formatQuery -out.add _RAB,_DEB]"}
fk5 -
icrs {append query "&[http::formatQuery -out.add _RAJ,_DEJ]"}
galactic {append query "&[http::formatQuery -out.add _GLON,_GLAT]"}
ecliptic {append query "&[http::formatQuery -out.add _ELON,_ELAT]"}
}
# options
if {!$var(allrows)} {
append query "&-out.max=$var(max)"
}
if {$var(allcols)} {
append query "&-out.all"
}
# url?query
set var(query) $query
if {$pcat(vot)} {
CATLoad $varname
} else {
CATLoadIncr $varname
}
}
proc CATCDSReader {t sock token} {
upvar #0 $t T
global $t
set result 0
if { ![info exists ${t}(state)] } {
set T(state) 0
}
switch -- $T(state) {
0 {
# init db
fconfigure $sock -blocking 1
set T(Nrows) 0
set T(Ncols) 0
set T(Header) {}
set T(HLines) 0
set T(state) 1
}
1 {
# process header
incr ${t}(HLines)
set n $T(HLines)
if {[gets $sock line] == -1} {
set T(state) -1
set T(HLines) [expr $T(HLines) - 1]
set T(Nrows) 0
set T(Ncols) 0
return 0
}
set result [string length "$line"]
set T(H_$n) $line
if {[regexp -- {^ *(-)+ *(\t *(-)+ *)*} $line]} {
# remove units line, but save first
unset T(H_$n)
incr ${t}(HLines) -1
incr n -1
set units $T(H_$n)
set T(H_$n) $line
# clean up header column name
set hh $T(H_[expr $n-1])
regsub -all {\[} $hh {} hh
regsub -all {\]} $hh {} hh
set T(H_[expr $n-1]) $hh
# cols
set T(Header) [split $T(H_[expr $n-1]) "\t"]
set T(Unit) [split $units "\t"]
set T(Dashes) [split $T(H_$n) "\t"]
set T(Ndshs) [llength $T(Dashes)]
starbase_colmap $t
set T(state) 2
}
}
2 {
# process table
if {[gets $sock line] == -1} {
set T(state) 0
} else {
set result [string length "$line"]
set line [string trim $line]
if {$line != {}} {
# check for beginning of another table
if {[string range $line 0 0] == "#"} {
set T(state) 3
return $result
}
# check for garbage at start of line
if {![string is double [lindex $line 0]]} {
set T(state) 3
return $result
}
# ok, save it
incr ${t}(Nrows)
set r $T(Nrows)
set NCols [starbase_ncols $t]
set c 1
foreach val [split $line "\t"] {
set T($r,$c) $val
incr c
}
for {} {$c <= $NCols} {incr c} {
set T($r,$c) {}
}
}
}
}
3 {
# finished, eat everything else
if {[gets $sock line] == -1} {
set T(state) 0
}
}
}
return $result
}
proc CATCDSURL {server} {
switch -- $server {
france -
cds {return {vizier.u-strasbg.fr}}
tokyo -
japan -
adac {return {vizier.nao.ac.jp}}
canada -
cadc {return {vizier.hia.nrc.ca}}
uk -
cambridge {return {vizier.ast.cam.ac.uk}}
usa -
cfa -
harvard -
sao {return {vizier.cfa.harvard.edu}}
hawaii -
ukirt {return {www.ukirt.jach.hawaii.edu}}
india -
iucaa {return {vizier.iucaa.in}}
china -
bejing {return {vizier.china-vo.org}}
safrica -
saao {return {viziersaao.chpc.ac.za}}
russia -
inasan {
# no longer active
return {vizier.u-strasbg.fr}
}
}
}
proc CATCDSAck {varname} {
upvar #0 $varname var
global $varname
set msg {Acknowledgments for CDS
This research has made use of the VizieR catalogue access tool, CDS,
Strasbourg, France. VizieR is a joint effort of
CDS (Centre de Données astronomiques de Strasbourg) and
ESA-ESRIN (Information Systems Division).
}
SimpleTextDialog ${varname}ack [msgcat::mc {Acknowledgment}] \
80 10 insert top $msg
}
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