From 3d2cb29dd31df45c5c892f637a31a53fc15e7d03 Mon Sep 17 00:00:00 2001
From: DTux <contact@librepc.com>
Date: Sat, 25 Apr 2020 11:42:50 +0000
Subject: [PATCH] first commit

---
 jpg2gpx.kdev4 |   3 +
 jpg2gpx.php   | 203 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 206 insertions(+)
 create mode 100644 jpg2gpx.kdev4
 create mode 100644 jpg2gpx.php

diff --git a/jpg2gpx.kdev4 b/jpg2gpx.kdev4
new file mode 100644
index 0000000..fec9593
--- /dev/null
+++ b/jpg2gpx.kdev4
@@ -0,0 +1,3 @@
+[Project]
+Name=jpg2gpx
+Manager=KDevGenericManager
diff --git a/jpg2gpx.php b/jpg2gpx.php
new file mode 100644
index 0000000..91fa11d
--- /dev/null
+++ b/jpg2gpx.php
@@ -0,0 +1,203 @@
+<?php
+/**
+ * Documentation, License etc.
+ *
+ * @package jpg2gpx
+ */
+//exiftool -c "%.6f" /mnt/perso/Nextcloud/Chine_2019/chutes_hu_kou/IMG_20190920_*.jpg | grep GPS | grep Position
+setlocale(LC_ALL, 'fr_FR');
+CONST EOL = "\n";
+
+
+$dir="/mnt/perso/Nextcloud";
+$list = array();
+dirrecurse( $dir );
+//$dir = new RecursiveDirectoryIterator($path);
+//$files = new RecursiveIteratorIterator($dir);
+//echo "[$path]\n";
+//foreach ($files as $file) {
+//    echo " ├ $file\n";
+//}
+function dirrecurse( $dir )
+{
+	global $list;
+	$x =0;
+	$paths = new RecursiveIteratorIterator(new RecursiveDirectoryIterator( $dir, FilesystemIterator::SKIP_DOTS ));
+
+	foreach ($paths as $file)
+	{
+		$x +=1;
+		$gpscoord=readgps($x, $file);
+	}
+	exportGPX($list);
+}
+
+function readgps( $x, $path )
+{
+	global $list;
+	$flag = false;
+	//echo $path .EOL;
+	if (exif_imagetype($path) == 2)
+	{
+		$datas = exif_read_data($path, "ANY_TAG");
+		//echo "$path\n";
+		if (! empty($datas["GPSLatitude"]))
+		{
+			$list[$x]["name"] = $path;
+			print_r( $datas );
+			$latitude = convert2decimal( $datas["GPSLatitude"][0], $datas["GPSLatitude"][1],$datas["GPSLatitude"][2] );
+			$dlatitude = $datas["GPSLatitudeRef"];
+			$longitude = convert2decimal( $datas["GPSLongitude"][0], $datas["GPSLongitude"][1],$datas["GPSLongitude"][2] );
+			$dlongitude = $datas["GPSLongitudeRef"];
+
+
+			if ($dlongitude == "S")
+			{
+				$list[$x]["longitude"] = -$longitude;
+			}else
+			{
+				$list[$x]["longitude"] = $longitude;
+			}
+			if ($dlatitude == "O")
+			{
+				$list[$x]["latitude"] = -$latitude;
+			}else
+			{
+				$list[$x]["latitude"] = $latitude;
+			}
+			if ( ! empty($datas["GPSAltitude"]) )
+			{
+				$altitude = str_replace( ",", "", number_format( transform( $datas["GPSAltitude"] ),2 ));
+				$list[$x]["altitude"] = $altitude;
+			}else
+			{
+				$list[$x]["altitude"] = "";
+			}
+			$time = gpstime( $datas["GPSTimeStamp"] );
+			//$datetime = new DateTime();
+			$date = $datas["GPSDateStamp"] . " " . $time;
+			$datetime = date_create_from_format("Y:m:d H:i:s", $date, new DateTimeZone( "UTC" ) );
+			$list[$x]["datetimeUTC"] = date( "c", $datetime->getTimestamp());
+			//echo $date . EOL;
+			if ( ! empty($datas["DateTime"]) )
+			{
+				$datetime_local = date_create_from_format("Y:m:d H:i:s", $datas["DateTime"]);
+			}elseif ( ! empty($datas["DateTimeOriginal"]) )
+			{
+				$datetime_local = date_create_from_format("Y:m:d H:i:s", $datas["DateTimeOriginal"]);
+			}else
+			{
+				$flag = true;
+			}
+			if ( $flag = false )
+			{
+				$list[$x]["datetimelocal"] = date( "c", $datetime_local->getTimestamp());
+				$dh = $datetime->diff( $datetime_local );
+				$decalagehoraire = $dh->h;
+
+				if ( $dh->i >55)
+				{
+					$decalagehoraire += 1;
+				}
+				if ( $decalagehoraire >=0 )
+				{
+					$decalagehoraire = "+" . str_pad(abs($decalagehoraire), 4, "0", STR_PAD_BOTH );
+				}else
+				{
+					$decalagehoraire = "-" . str_pad(abs($decalagehoraire), 4, "0", STR_PAD_BOTH );
+				}
+				$list[$x]["fuseauhoraire"] = $decalagehoraire;
+			}else
+			{
+				$decalagehoraire = "";
+			}
+
+
+			$datetime->setTimeZone(new DateTimeZone('Europe/Paris'));
+			echo $path . EOL;
+			echo strftime( "le %A %c heure de Paris", $datetime->getTimestamp() ) . EOL;
+			echo strftime( "le %A %c heure locale", $datetime_local->getTimestamp() ) . EOL;
+			echo "Fuseau horaire : " . $decalagehoraire .EOL;
+			echo "Latitude : $latitude $dlatitude\nLongitude : $longitude $dlongitude\nAltitude : $altitude\n";
+			//print_r($datas);
+
+		}
+	}
+}
+
+function convert2decimal( $d, $m, $s)
+{
+	return transform( $d ) +  transform($m)/60 + transform($s)/3600;
+}
+
+function transform($a)
+{
+	$b = explode( "/", $a);
+	$r = floatval($b[0]) /  floatval($b[1]);
+	return $r;
+}
+
+function gpstime( $a )
+{
+	$h = explode("/", $a[0]);
+	$m = explode("/", $a[1]);
+	$s = explode("/", $a[2]);
+	return str_pad( $h[0], 2 ,"0", STR_PAD_LEFT ) . ":" . str_pad( $m[0], 2 ,"0", STR_PAD_LEFT ) . ":" . str_pad( $s[0], 2 ,"0", STR_PAD_LEFT );
+}
+
+function exportKML( $list )
+{
+	$enteteKML = '<?xml version="1.0" encoding="UTF-8"?><kml xmlns="http://www.opengis.net/kml/2.2">' . EOL;
+	print_r($list);
+	if ( ! $fh = fopen("export_jpg2gpx_" . date("YmdHis") . ".kml", "w") )
+	{
+		$erreur = error_get_last();
+		echo "Erreur fopen ligne " . __LINE__ . " : " . $erreur["message"] . EOL;
+		exit (1);
+	}
+	fwrite( $fh, $enteteKML );
+
+	foreach ( $list as $ligne )
+	{
+		$text = "<Placemark>" . EOL .  "<name>" . basename($ligne["name"]) . "</name>" . EOL . "<description>" . $ligne["name"] . EOL . "Altitude : " . $ligne["altitude"] . EOL . "Heure UTC : " . $ligne["datetimeUTC"] . EOL . "Heure locale :" . $ligne["datetimelocal"] . EOL . "Fuseau horaire : " . $ligne["fuseauhoraire"] . EOL . "Généré automatiquement</description>" .EOL;
+		$text .= "  <point>" . EOL . "    <coordinates>" . $ligne["longitude"] . "," . $ligne["latitude"] . "</coordinates>" . EOL . "  </point>" . EOL . "  </Placemark>" . EOL;
+		fwrite( $fh, $text );
+	}
+	fwrite( $fh, "</kml>" );
+}
+
+function exportGPX( $list )
+{
+	$enteteXML = '<?xml version="1.1" encoding="UTF-8" standalone="no" ?><gpx version="1.1" creator="jpg2gpx" xmlns="http://www.topografix.com/GPX/1/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd"><metadata><name>export_jpg2gpx_' . date("YmdHis") . '</name></metadata>' . EOL;
+
+	if ( ! $fh = fopen("export_jpg2gpx_" . date("YmdHis") . ".gpx", "w") )
+	{
+		$erreur = error_get_last();
+		echo "Erreur fopen ligne " . __LINE__ . " : " . $erreur["message"] . EOL;
+		exit (1);
+	}
+	fwrite( $fh, $enteteXML );
+
+	foreach ( $list as $ligne )
+	{
+		$text = '<wpt lat="' . str_replace( ",", ".", $ligne["latitude"]) . '" lon="'  . str_replace( ",", ".", $ligne["longitude"]) . '">';
+		$text .= "<ele>" . $ligne["altitude"] . "</ele>";
+		$text .= "<time>" . $ligne["datetimeUTC"] . "</time>" . EOL;
+		$text .= "<name>" . basename($ligne["name"]) . "</name>" . EOL;
+		$text .= "<cmt>Généré automatiquement</cmt>" . EOL;
+		$text .= "<desc>" . $ligne["name"] . EOL;
+		if ( ! empty($ligne["datetimelocal"]) )
+		{
+			$text .= "    Heure locale :" . $ligne["datetimelocal"];
+		}
+		$text .= "</desc>" . EOL;
+		$text .= "</wpt>" .EOL;
+		fwrite( $fh, $text );
+	}
+	fwrite( $fh, "</gpx>" );
+}
+
+function remplacevirgule ( $f )
+{
+
+}