/usr/lib/gpsman/shape2quadr.tcl is in gpsman 6.4.4.2-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 | #!/bin/sh
# This is a Tcl/Tk script to be interpreted by tclsh (Tk8.3 or better): \
exec tclsh "$0" "$@"
#
# shape2quadr --- distribute items in a shapefile by gpsman files according
# to user given quadrangles
#
# This is a script done in the context of
#
# gpsman --- GPS Manager: a manager for GPS receiver data
#
# Copyright (c) 2004 Miguel Filgueiras (mig@ncc.up.pt) / Universidade do Porto
#
# 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.
#
# last change: 7 July 2004
# needs the gpsmanshp library, preferably version 1.2 or later
# see http://www.ncc.up.pt/gpsmanshp
set Usage \
{shape2quadr.tcl FILE PREFIX [NAME MINLONG MAXLONG MINLAT MAXLAT]+
shape2quadr.tcl FILE PREFIX -d QPREFIX LONG LONGRANGE STEPLONG MAXLONG LAT LATRANGE STEPLAT MAXLAT}
set datum "WGS 84"
if { [llength $argv] < 7 } {
puts stderr $Usage
exit 1
}
package require gpsmanshp
set basename [file rootname [lindex $argv 0]]
if { [set fsid [GSHPOpenInputFiles $basename]] < 1 } {
puts stderr "Error when opening shapefile $basename: $fsid"
exit 1
}
if { [set info [GSHPInfoFrom $fsid]] == 0 } { BUG bad channel ; exit 1 }
foreach "fwh fno fdim fix dbfn dbfnps" $info {}
if { $fno < 1 } {
puts stderr "Empty shapefile"
exit 1
}
if { $fwh == "WP" } {
puts stderr "WP file not supported"
exit 1
}
set fprefix [lindex $argv 1]
set argv [lreplace $argv 0 1]
set quadrs ""
foreach d "x y" {
set qmax$d -1e3 ; set qmin$d 1e3
}
if { [lindex $argv 0] == "-d" } {
# QPREFIX LONG LONGRANGE STEPLONG MAXLONG LAT LATRANGE STEPLAT MAXLAT
if { [llength $argv] != 10 } {
puts stderr $Usage
exit 1
}
foreach "x qpre lo0 lod lost lomx la0 lad last lamx" $argv { break }
foreach v "lo0 lod lost lomx la0 lad last lamx" {
if { [catch {set $v [expr [set $v]]}] } {
puts stderr "Bad value [set $v]"
exit 1
}
}
if { $lod <= 0 || $lad <= 0 } {
puts stderr "Ranges must be positive: $lod, $lad"
exit 1
}
if { $lost <= 0 || $last <= 0 } {
puts stderr "Steps must be positive: $lost, $last"
exit 1
}
if { $lo0 > $lomx || $la0 > $lamx } {
puts stderr "Bad bounds"
exit 1
}
set qminx $lo0 ; set qminy $la0
set qno 0
for { set lo $lo0 } { $lo < $lomx } { set lo [expr $lo+$lost] } {
set lox [expr $lo+$lod]
set qmaxx $lox
for { set la $la0 } { $la < $lamx } { set la [expr $la+$last] } {
set lax [expr $la+$lad]
set qmaxy $lax
set name "${qpre}[incr qno]"
array set quadr [list $name {} $name,x0 $lo $name,x1 $lox \
$name,y0 $la $name,y1 $lax]
lappend quadrs $name
}
}
} else {
while { $argv != {} } {
# for each quadrangle: NAME MINLONG MAXLONG MINLAT MAXLAT
foreach {name x0 x1 y0 y1} $argv { break }
set argv [lreplace $argv 0 4]
if { $name == "" } {
puts stderr "Quadrangle with empty name"
exit 1
}
if { ! [catch {set quadr($name)}] } {
puts stderr "Repeated quadrangle name: $name"
exit 1
}
foreach k "x0 y0 x1 y1" mx "180 90 180 90" {
if { [catch {expr [set $k]}] || abs([set $k]) > $mx } {
puts stderr "Bad bound [set $k] for quadrangle $name"
exit 1
}
}
if { $x0 >= $x1 || $y0 >= $y1 } {
puts stderr "Bad bounds for quadrangle $name"
exit 1
}
array set quadr [list $name {} $name,x0 $x0 $name,x1 $x1 \
$name,y0 $y0 $name,y1 $y1]
foreach d "x y" {
if { [set ${d}0] < [set qmin$d] } { set qmin$d [set ${d}0] }
if { [set ${d}1] > [set qmax$d] } { set qmax$d [set ${d}1] }
}
lappend quadrs $name
}
}
puts "[llength $quadrs] quadrangles defined; $fno items to be processed"
set time0 [clock seconds]
set discarded 0
set lnno 0
switch $fwh {
RT {
puts stderr "RT file: will convert to LN files"
set ixno 2 ; set ixstss 100
set ixdbfs 0 ; set dbflst 0 ; set dbfs "Name Comment"
}
TR {
puts stderr "TR file: will convert to LN files"
set ixno 2 ; set ixstss 3
set ixdbfs 0 ; set dbflst 0 ; set dbfs "Name Comment"
}
UNKNOWN {
set ixno 0 ; set ixstss 1 ; set ixdbfs 2 ; set dbflst 1
set dbfs ""
foreach "n p" $dbfnps {
lappend dbfs $n
}
}
}
while { $fno } {
incr fno -1
if { [set fd [GSHPGetObj $fsid $fno]] == "" } { continue }
if { $fd <= 0 } {
puts stderr "Error reading object ($fno to read)" ; exit 1
}
if { [set np [lindex $fd $ixno]] < 1 } {
puts stderr "no points in line ($fno to read)" ; continue
}
set dpts ""
foreach d "x y" {
set omax$d -1e3 ; set omin$d 1e3
}
while { $np } {
incr np -1
if { [set pd [GSHPReadNextPoint $fsid]] == -2 } {
break
}
if { $pd == 0 || $pd == -1 } {
BUG bad GSHPReadNextPoint ; return 1
}
foreach "x y" $pd { break }
foreach d "x y" h "EW NS" {
set v [set $d]
if { $v < [set omin$d] } { set omin$d $v }
if { $v > [set omax$d] } { set omax$d $v }
# CreatePos DDD
if { $v < 0 } {
set v [expr -$v] ; set h [string index $h 1]
} else { set h [string index $h 0] }
set f$d "${h}[format %.5f $v]"
}
lappend dpts "$y $x $fy $fx"
}
if { $omaxx < $qminx || $ominx > $qmaxx || \
$omaxy < $qminy || $ominy > $qmaxy } {
incr discarded
continue
}
set d 1
foreach q $quadrs {
if { $omaxx < $quadr($q,x0) || $ominx > $quadr($q,x1) || \
$omaxy < $quadr($q,y0) || $ominy > $quadr($q,y1) } {
continue
}
if { $d } {
set d 0
set name LN[format %06d [incr lnno]]
set obs ""
if { $dbfs != "" } {
set sep ""
if { $dbflst } {
foreach n $dbfs v [lindex $fd $ixdbfs] {
if { $v != "" } {
set obs "${obs}${sep}$n: $v"
set sep "\n"
}
}
} else {
set ix $ixdbfs
foreach n $dbfs {
if { [set v [lindex $fd $ix]] != "" } {
set obs "${obs}${sep}$n: $v"
set sep "\n"
}
incr ix
}
}
}
set line($name) [list $dpts [lindex $fd $ixstss] $obs]
}
lappend quadr($q) $name
}
incr discarded $d
}
GSHPCloseFiles $fsid
puts "$discarded discarded\n\nquadrangle\tnumber of lines"
set date [clock format [clock seconds]]
foreach q $quadrs {
set n [llength $quadr($q)]
puts "$q\t$n"
if { $n } {
set fn ${fprefix}_$q
if { [catch {set f [open $fn w]}] } {
puts stderr "cannot write file $fn; skipping"
continue
}
puts $f "% Written by shape2quadr.tcl $date"
puts $f "% Quadrangle bounds: x $quadr($q,x0) to $quadr($q,x1), y $quadr($q,y0) to $quadr($q,y1)"
puts $f ""
puts $f "!Format: DDD 0 $datum"
puts $f ""
puts $f "!Creation: no"
puts $f ""
foreach ln $quadr($q) {
puts $f "!LN:\t$ln"
foreach "dpts ssts obs" $line($ln) {}
if { $obs != "" } {
puts $f "!NB:\t$obs"
puts $f ""
}
set lpn 0 ; set nsst [lindex $ssts 0]
foreach lp $dpts {
if { $nsst == $lpn } {
puts $f "!LS:"
set ssts [lreplace $ssts 0 0]
set nsst [lindex $ssts 0]
}
incr lpn
puts $f "\t$lp\t"
}
}
puts $f ""
puts $f "!G:\tQuadrangle $q"
set c "!GL:"
foreach ln $quadr($q) {
puts $f "${c}\t$ln"
set c ""
}
}
}
puts "spent [clock format [expr [clock seconds]-$time0] -format %T]"
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