mapweaver/mwFile.pm

435 lines
13 KiB
Perl

#
# PERL mapweaver module by gary68
#
#
#
#
# Copyright (C) 2011, Gerhard Schwanz
#
# 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 3 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, see <http://www.gnu.org/licenses/>
#
package mwFile ;
use strict ;
use warnings ;
use mwConfig ;
use mwMap ;
use mwLabel ;
use LWP::Simple ;
use OSM::osm ;
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK);
require Exporter ;
@ISA = qw ( Exporter AutoLoader ) ;
@EXPORT = qw ( readFile
getNodePointers
getWayPointers
getRelationPointers
) ;
my %lon ;
my %lat ;
my %memNodeTags ;
my %memWayNodes ;
my %memWayTags ;
my %memRelationMembers ;
my %memRelationTags ;
my $overpassSource0 = "interpreter?data=node%5B%22name%22%3D%22NAME%22%5D%3Bout%20body%3B%0A" ;
my $overpassSource1 = "interpreter?data=node%5B%22name%22%3D%22NEAR%22%5D%3Bnode%28around%3ADIST%29%5B%22name%22%3D%22NAME%22%5D%3Bout%3B" ;
my $overpassSource3 = "interpreter?data=%28node%28BOTTOM%2CLEFT%2CTOP%2CRIGHT%29%3B%3C%3B%3E%3B%29%3Bout%20meta%3B" ;
sub readFile {
my ($nodeId, $nodeLon, $nodeLat, $nodeUser, $aRef1, @nodeTags) ;
my ($wayId, $wayUser, $aRef2, @wayTags, @wayNodes) ;
my ($relationId, $relationUser, @relationTags, @relationMembers) ;
my %invalidWays ;
my $osmName ;
if (defined cv('in')) { $osmName = cv('in') ; }
my $clipbbox = "" ;
if (defined cv('clipbbox')) { $clipbbox = cv('clipbbox') ; }
if ( cv('overpass') eq "1" ) {
if ( cv('place') eq "" ) { die ("ERROR: option place not specified.\n") ; }
my $overpassNear = cv('near') ;
my $overpassDistance = cv('overpassdistance') ;
my $overpassName = cv('place') ;
my $overpassUrl1 = cv('overpassserver') . $overpassSource1 ;
if ( cv('near') eq "" ) {
$overpassUrl1 = cv('overpassserver') . $overpassSource0 ;
}
$overpassUrl1 =~ s/NEAR/$overpassNear/ ;
$overpassUrl1 =~ s/DIST/$overpassDistance/ ;
$overpassUrl1 =~ s/NAME/$overpassName/ ;
if ( cv('debug') eq "1" ) { print "Overpass Query1: $overpassUrl1 ...\n" ; }
print "Send Query 1 to overpass server..\n" ;
my $result1 = get ( $overpassUrl1 ) ;
if ( ! defined $result1 ) { die ("ERROR: bad overpass result!\n") ; }
if ( cv('debug') eq "1" ) { print "\n$result1\n\n" ; }
# get lon, lat
my ($placeLon) = ( $result1 =~ /lon=\"([\d\.\-]+)/ ) ;
my ($placeLat) = ( $result1 =~ /lat=\"([\d\.\-]+)/ ) ;
if ((! defined $placeLon) or (! defined $placeLat)) { die ("ERROR: lon/lat could not be obtained from 1st overpass result.\n") ; }
print "place $overpassName found:\n" ;
print "lon= $placeLon\n" ;
print "lat= $placeLat\n" ;
# calc bbox
my $overLeft = $placeLon - cv('lonrad')/(111.11 * cos ( $placeLat / 360 * 3.14 * 2 ) ) ;
my $overRight = $placeLon + cv('lonrad')/(111.11 * cos ( $placeLat / 360 * 3.14 * 2 ) ) ;
my $overTop = $placeLat + cv('latrad')/111.11 ;
my $overBottom = $placeLat - cv('latrad')/111.11 ;
my $overpassUrl2 = cv('overpassserver') . $overpassSource3 ;
$overpassUrl2 =~ s/LEFT/$overLeft/ ;
$overpassUrl2 =~ s/RIGHT/$overRight/ ;
$overpassUrl2 =~ s/TOP/$overTop/ ;
$overpassUrl2 =~ s/BOTTOM/$overBottom/ ;
if ( cv('debug') eq "1" ) { print "Overpass Query2: $overpassUrl2\n" ; }
print "Send Query 2 to overpass server..\n" ;
my $result2 = get ( $overpassUrl2 ) ;
if ( ! defined $result2 ) { die ("ERROR: bad overpass result!\n") ; }
# save
my $opFileName = "overpass.osm" ;
open (my $overFile, ">", $opFileName) ;
binmode($overFile, ":utf8") ;
print $overFile $result2 ;
close ( $overFile ) ;
setConfigValue ('in', $opFileName) ;
$osmName = $opFileName ;
# setConfigValue ('place', '') ;
$clipbbox = "$overLeft,$overBottom,$overRight,$overTop" ;
if ( cv('debug') eq "1" ) { print "clipbox: $clipbbox\n" ; }
}
if ( grep /\.pbf/, $osmName ) {
my $newName = $osmName ;
$newName =~ s/\.pbf/\.osm/i ;
# osmosis
print "call osmosis to convert pbf file to osm file.\n" ;
`osmosis --read-pbf $osmName --write-xml $newName` ;
# change config
$osmName = $newName ;
setConfigValue ("in", $newName) ;
}
# -place given? look for place and call osmosis
my $left ;
my $right ;
my $top ;
my $bottom ;
my $placeFound = 0 ; my $placeLon ; my $placeLat ;
if ( ( cv('place') ne "") and (cv('overpass') ne "1" ) ) {
my ($placeId) = ( cv('place') =~ /([\d]+)/);
if (!defined $placeId) { $placeId = -999999999 ; }
print "looking for place...\n" ;
my $placeFileName = "" ;
if ( cv('placeFile') ne "" ) {
$placeFileName = cv('placeFile') ;
}
else {
$placeFileName = cv('in') ;
}
openOsmFile ($placeFileName) ;
($nodeId, $nodeLon, $nodeLat, $nodeUser, $aRef1) = getNode2 () ;
if ($nodeId != -1) {
@nodeTags = @$aRef1 ;
}
my $place = cv ('place') ;
while ( ($nodeId != -1) and ($placeFound == 0) ) {
my $placeNode = 0 ; my $placeName = 0 ;
foreach my $tag ( @nodeTags ) {
if ($tag->[0] eq "place") { $placeNode = 1 ; }
if ( ($tag->[0] eq "name") and (grep /$place/i, $tag->[1]) ){ $placeName = 1 ; }
}
if ( (($placeNode == 1) and ($placeName == 1)) or ($placeId == $nodeId) ) {
$placeFound = 1 ;
$placeLon = $nodeLon ;
$placeLat = $nodeLat ;
}
($nodeId, $nodeLon, $nodeLat, $nodeUser, $aRef1) = getNode2 () ;
if ($nodeId != -1) {
@nodeTags = @$aRef1 ;
}
}
closeOsmFile() ;
if ($placeFound == 1) {
print "place $place found at " ;
print "lon: $placeLon " ;
print "lat: $placeLat\n" ;
$left = $placeLon - cv('lonrad')/(111.11 * cos ( $placeLat / 360 * 3.14 * 2 ) ) ;
$right = $placeLon + cv('lonrad')/(111.11 * cos ( $placeLat / 360 * 3.14 * 2 ) ) ;
$top = $placeLat + cv('latrad')/111.11 ;
$bottom = $placeLat - cv('latrad')/111.11 ;
print "call osmosis...\n" ;
if ( cv('cie') eq "0" ) {
print "OSMOSIS STRING: --bounding-box completeWays=yes completeRelations=yes bottom=$bottom top=$top left=$left right=$right\n" ;
`osmosis --read-xml $osmName --bounding-box completeWays=yes completeRelations=yes bottom=$bottom top=$top left=$left right=$right --write-xml ./temp.osm` ;
}
else {
print "OSMOSIS STRING: --bounding-box clipIncompleteEntities=yes bottom=$bottom top=$top left=$left right=$right\n" ;
`osmosis --read-xml $osmName --bounding-box clipIncompleteEntities=yes bottom=$bottom top=$top left=$left right=$right --write-xml ./temp.osm` ;
}
print "osmosis done.\n" ;
$osmName = "./temp.osm" ;
$clipbbox = "$left,$bottom,$right,$top" ;
}
else {
print "ERROR: place $place not found.\n" ;
die() ;
}
}
my $srtmFileName = cv('srtm') ;
if ( $srtmFileName ne "" ) {
my $cmdX = "osmosis --read-xml $osmName --rx file=\"$srtmFileName\" --bounding-box completeWays=yes completeRelations=yes bottom=$bottom top=$top left=$left right=$right --merge --write-xml file=\"./temp2.osm\"" ;
my $cmdP = "osmosis --read-xml $osmName --read-pbf file=\"$srtmFileName\" --bounding-box completeWays=yes completeRelations=yes bottom=$bottom top=$top left=$left right=$right --merge --write-xml file=\"./temp2.osm\"" ;
my $cmd = "" ;
if (grep /\.pbf/, $srtmFileName) {
$cmd = $cmdP ;
}
else {
$cmd = $cmdX ;
}
print "call osmosis to merge SRTM data...\n$cmd\n" ;
`$cmd` ;
$osmName = "temp2.osm" ;
}
# STORE DATA
my $nr = 0 ; my $wr = 0 ; my $rr = 0 ;
print "reading osm file...\n" ;
openOsmFile ($osmName) ;
($nodeId, $nodeLon, $nodeLat, $nodeUser, $aRef1) = getNode2 () ;
if ($nodeId != -1) {
@nodeTags = @$aRef1 ;
}
while ($nodeId != -1) {
$nr++ ;
$lon{$nodeId} = $nodeLon ; $lat{$nodeId} = $nodeLat ;
@{$memNodeTags{$nodeId}} = @nodeTags ;
($nodeId, $nodeLon, $nodeLat, $nodeUser, $aRef1) = getNode2 () ;
if ($nodeId != -1) {
@nodeTags = @$aRef1 ;
}
}
($wayId, $wayUser, $aRef1, $aRef2) = getWay2 () ;
if ($wayId != -1) {
@wayNodes = @$aRef1 ;
@wayTags = @$aRef2 ;
}
while ($wayId != -1) {
$wr++ ;
if (scalar (@wayNodes) > 1) {
@{$memWayTags{$wayId}} = @wayTags ;
@{$memWayNodes{$wayId}} = @wayNodes ;
foreach my $node (@wayNodes) {
if (!defined $lon{$node}) {
print " ERROR: way $wayId references node $node, which is not present!\n" ;
}
}
}
else {
$invalidWays{$wayId} = 1 ;
}
($wayId, $wayUser, $aRef1, $aRef2) = getWay2 () ;
if ($wayId != -1) {
@wayNodes = @$aRef1 ;
@wayTags = @$aRef2 ;
}
}
($relationId, $relationUser, $aRef1, $aRef2) = getRelation () ;
if ($relationId != -1) {
@relationMembers = @$aRef1 ;
@relationTags = @$aRef2 ;
}
while ($relationId != -1) {
$rr++ ;
@{$memRelationTags{$relationId}} = @relationTags ;
@{$memRelationMembers{$relationId}} = @relationMembers ;
foreach my $member (@relationMembers) {
if ( ($member->[0] eq "node") and (!defined $lon{$member->[1]}) ) {
print " ERROR: relation $relationId references node $member->[1] which is not present!\n" ;
}
if ( ($member->[0] eq "way") and (!defined $memWayNodes{$member->[1]} ) and (!defined $invalidWays{$member->[1]}) ) {
print " ERROR: relation $relationId references way $member->[1] which is not present or invalid!\n" ;
}
}
#next
($relationId, $relationUser, $aRef1, $aRef2) = getRelation () ;
if ($relationId != -1) {
@relationMembers = @$aRef1 ;
@relationTags = @$aRef2 ;
}
}
closeOsmFile () ;
print "read: $nr nodes, $wr ways and $rr relations.\n\n" ;
# calc area of pic and init graphics
my $lonMin = 999 ; my $lonMax = -999 ; my $latMin = 999 ; my $latMax = -999 ;
foreach my $key (keys %lon) {
if ($lon{$key} > $lonMax) { $lonMax = $lon{$key} ; }
if ($lon{$key} < $lonMin) { $lonMin = $lon{$key} ; }
if ($lat{$key} > $latMax) { $latMax = $lat{$key} ; }
if ($lat{$key} < $latMin) { $latMin = $lat{$key} ; }
}
# clip picture if desired
if ($clipbbox ne "") {
my ($bbLeft, $bbBottom, $bbRight, $bbTop) = ($clipbbox =~ /([\d\-\.]+),([\d\-\.]+),([\d\-\.]+),([\d\-\.]+)/ ) ;
# print "$bbLeft, $bbBottom, $bbRight, $bbTop\n" ;
if (($bbLeft > $lonMax) or ($bbLeft < $lonMin)) { print "WARNING -clipbox left parameter outside data.\n" ; }
if (($bbRight > $lonMax) or ($bbRight < $lonMin)) { print "WARNING -clipbox right parameter outside data.\n" ; }
if (($bbBottom > $latMax) or ($bbBottom < $latMin)) { print "WARNING -clipbox bottom parameter outside data.\n" ; }
if (($bbTop > $latMax) or ($bbTop < $latMin)) { print "WARNING -clipbox top parameter outside data.\n" ; }
$lonMin = $bbLeft ;
$lonMax = $bbRight ;
$latMin = $bbBottom ;
$latMax = $bbTop ;
}
else {
if (defined cv('clip')) {
if ( (cv('clip') > 0) and (cv('clip') < 100) ) {
my $clip = cv('clip') ;
$clip = $clip / 100 ;
$lonMin += ($lonMax-$lonMin) * $clip ;
$lonMax -= ($lonMax-$lonMin) * $clip ;
$latMin += ($latMax-$latMin) * $clip ;
$latMax -= ($latMax-$latMin) * $clip ;
}
}
}
# pad picture if desired
if (defined cv('pad')) {
my $pad = cv('pad') ;
if ( ($pad > 0) and ($pad < 100) ) {
$pad = $pad / 100 ;
$lonMin -= ($lonMax-$lonMin) * $pad ;
$lonMax += ($lonMax-$lonMin) * $pad ;
$latMin -= ($latMax-$latMin) * $pad ;
$latMax += ($latMax-$latMin) * $pad ;
}
}
my $size = cv('size') ;
# calc pic size
if ( cv('scaleSet') != 0 ) {
my $dist = distance ($lonMin, $latMin, $lonMax, $latMin) ;
my $width = $dist / cv('scaleSet') * 1000 * 100 / 2.54 ; # inches
$size = int ($width * 300) ;
}
if ( cv('maxTargetSize') ne "" ) {
my @a = split /,/, cv('maxTargetSize') ;
my $targetWidth = $a[0] ;
my $targetHeight = $a[1] ;
# print "TS: $targetWidth, $targetHeight [cm]\n" ;
my $distLon = distance ($lonMin, $latMin, $lonMax, $latMin) ;
my $distLat = distance ($lonMin, $latMin, $lonMin, $latMax) ;
# print "TS: $distLon, $distLat [km]\n" ;
my $scaleLon = ($distLon * 1000 * 100) / $targetWidth ;
my $scaleLat = ($distLat * 1000 * 100) / $targetHeight ;
my $targetScale = int $scaleLon ;
if ( $scaleLat > $targetScale ) { $targetScale = int $scaleLat ; }
# print "TS: $targetScale [1:n]\n" ;
my $width = $distLon / $targetScale * 1000 * 100 / 2.54 ; # inches
$size = int ($width * 300) ;
print "Map width now $size [px] due to maxTargetSize parameter\n" ;
}
mwMap::initGraph ($size, $lonMin, $latMin, $lonMax, $latMax) ;
}
sub getNodePointers {
return ( \%lon, \%lat, \%memNodeTags) ;
}
sub getWayPointers {
return ( \%memWayNodes, \%memWayTags) ;
}
sub getRelationPointers {
return ( \%memRelationMembers, \%memRelationTags) ;
}
1 ;