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FN_kml.php
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<?
$debug=true;
$debug=false;
// Routine to extract a substring from a string with first and last character of substring position in the string
function parseB($str,$first,$last){
$ret="";
for ($i=$first;$i<=$last;$i++)
$ret.=$str[$i];
return $ret;
}
//Routine to convert DMS to Degdec
function convDeg($deg,$min,$dir) {
$ret= $deg+$min/60;
//echo "deg:$deg min:$min ret:$ret <br>";
if ($dir=="W" || $dir =="S")
$ret=$ret/-1;
return $ret;
}
//Routine to parse an IGC file
function parseIgcFile($szFilename,$exaggeration=1) {
global $debug ;
$oFile = fopen($szFilename, "r");
$table=array();
$i=0;
while($aFields = fgets($oFile, 1024)) {
switch ($aFields[0]) {
case 'B' :
$timestamp2=parseB($aFields,1,2)*3600+parseB($aFields,3,4)*60+parseB($aFields,5,6);
$hour=parseB($aFields,1,2)+$_POST['timeshift'];
$min=parseB($aFields,3,4);
$sec=parseB($aFields,5,6);
$time=$hour.":".$min;
$latDeg=parseB($aFields,7,8);
$latMin=parseB($aFields,9,10);
$latSec=parseB($aFields,11,13);
$latDir=parseB($aFields,14,14);
$lonDeg=parseB($aFields,15,17);
$lonMin=parseB($aFields,18,19);
$lonSec=parseB($aFields,20,22);
$lonDir=parseB($aFields,23,23);
$alt=parseB($aFields,30,34)*$exaggeration;
$lat2=convdeg($latDeg,$latMin.".".$latSec,$latDir);
$lon2=convdeg($lonDeg,$lonMin.".".$lonSec,$lonDir);
if (!isset($lat1))
{
$lat1=$lat2;
$lon1=$lon2;
$timestamp1=$timestamp2-1;
$speed1=$speed0=0;
}
$speed=calcSpeed($lon1,$lat1,$timestamp1,$lon2,$lat2,$timestamp2);
if ($speed1>$speed0 && $speed1>$speed )
{
$speed1=($speed0+$speed)/2;
$table[$i]['speed']=$speed1;
// if ($debug) echo "****speed1:".$speed1."****";
}
$lat1=$lat2;
$lon1=$lon2;
$speed0=$speed1;
$speed1=$speed;
$timestamp1=$timestamp2;
/*
if ($debug) echo "lat= ".$lat2." ";
if ($debug) echo "lon= ".$lon2." ";
if ($debug) echo "alt= ".$alt."";
*/
$table[] = array( 'timestamp' => $timestamp2,'time' => $time, 'lon' => $lon2, 'lat' => $lat2, 'alt' => $alt, 'speed' => $speed);
$i++;
// if ($debug) echo "****time:".$time.":".$sec." ";
// if ($debug) echo "****speed:".$speed."****<BR>";
break;
}
}
fclose($oFile);
return $table;
}
//Return Distance in meters between two coordinates
//earth's circumference is 40030 Km long, divided in 360 degrees, that's 111190
function calcDist($lat1,$lon1,$lat2,$lon2) {
$dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($lon1-$lon2));
$dist = acos($dist);
$dist = rad2deg($dist);
return $dist * 111190;
}
function calcSpeed($lat1,$lon1,$time1,$lat2,$lon2,$time2) {
$dist=calcDist($lat1,$lon1,$lat2,$lon2);
$deltatime=$time2-$time1;
if ($deltatime==0) $deltatime=1;
$speed=(int)($dist*3.6/$deltatime); //Speed in km/h
return $speed;
}
function Point($name,$description,$coords,$icon,$scale,$visibility) {
return '<Placemark>
<name>'.$name.'</name>
<description>'.$description.'</description>
<visibility>'.$visibility.'</visibility>
<styleUrl>root://styles#default+icon=0x307</styleUrl>
<Style>
<IconStyle>
<Icon>
<href>root://icons/palette-4.png</href>
'.$icon.'
<w>32</w>
<h>32</h>
</Icon>
</IconStyle>
<LabelStyle>
<scale>'.$scale.'</scale>
</LabelStyle>
</Style>
<Point>
<altitudeMode>absolute</altitudeMode>
<extrude>1</extrude>
<coordinates>'.$coords.'</coordinates>
</Point>
</Placemark>' ;
}
function MajorPoint($name,$description,$coords,$icon) {
return Point($name,$description,$coords,$icon,1,1);
}
function MinorPoint($name,$description,$coords,$icon) {
return Point($name,$description,$coords,$icon,0.5,0);
}
function LineString($name,$description,$coords,$color,$width) {
return '<Placemark>
<name>'.$name.'</name>
<description>'.$description.'</description>
<Style>
<LineStyle>
<color>'.$color.'</color>
<width>'.$width.'</width>
</LineStyle>
</Style>
<LineString>
<tessellate>1</tessellate>
<altitudeMode>absolute</altitudeMode>
<coordinates>
'.$coords.'
</coordinates>
</LineString>
</Placemark>';
}
function kmlGetTrackAnalysis($file,$exaggeration=1) {
$str="";
$table=parseIgcFile($file,$exaggeration);
extract($table[0]);
$lonDep=$lon;
$latDep=$lat;
$altDep=$alt;
$timeDep=$time;
$timestampDep=$timestamp;
$coordDep = "$lon,$lat,$alt\n";
$localAltMax=$alt;
$localAltMaxLat=$lat;
$localAltMaxLon=$lon;
$coordlocalAltMax="$lon,$lat,$alt\n";
$timelocalAltMax=$time;
$localAltMin=$alt;
$localAltMinLat=$lat;
$localAltMinLon=$lon;
$coordlocalAltMin="$lon,$lat,$alt\n";
$timelocalAltMin=$time;
$ext=$table[count($table)-1];
extract($ext);
$lonArr=$lon;
$latArr=$lat;
$altArr=$alt;
$timeArr=$time;
$timestampArr=$timestamp;
$coordArr = "$lon,$lat,$alt\n";
$duration=intval( ($timestampArr-$timestampDep) /60 );
if ($duration==0) $duration=1;
$bestDistance=calcDist($latDep,$lonDep,$latArr,$lonArr);
$lonBestDistance=$lon;
$latBestDistance=$lat;
$altBestDistance=$alt;
$timeBestDistance=$time;
$bestDistance2TP=$bestDistance;
$lonBestDistance2TP1=$lon;
$latBestDistance2TP1=$lat;
$altBestDistance2TP1=$alt;
$timeBestDistance2TP1=$time;
$lonBestDistance2TP2=$lon;
$latBestDistance2TP2=$lat;
$altBestDistance2TP2=$alt;
$timeBestDistance2TP2=$time;
$bestGlideRatio="";
$coordBestGlideRatio="";
$timeBestGlideRatio="";
$coordPreBestGlideRatio="";
$bestTransition=0;
$coordBestTransition="";
$timeBestTransition="";
$coordPreBestTransition="";
$bestGain=0;
$coordBestGain="";
$timeBestGain="";
$coordPreBestGain="";
$maxAlt="";
$coordMaxAlt="";
$timeMaxAlt="";
$minAlt=10000;
$coordMinAlt="";
$timeMinAlt="";
$maxSpeed="";
$coordMaxSpeed="";
$timeMaxSpeed="";
$lastchangedeltaAlt=-1;
$vario=0;
$vario1=0;
$variomin=0;
$coordvariomin="";
$timevariomin="";
$variomax=0;
$coordvariomax="";
$timevariomax="";
$curalt= "";
$curlat= "";
$curlon= "";
$curtime="";
$meanSpeed=25;
$localmeanspeed=array(25,25,25,25,25,25,25,25,25,25);
$localmeanvario=array(0,0,0,0,0,0,0,0,0,0);
$totalDist=0;
$totalDistWithoutThermal=0;
$lastchangeAlt=$table[0]['alt'];
$lastchangeLat=$table[0]['lat'];
$lastchangeLon=$table[0]['lon'];
$lastchangetimestamp=$table[0]['timestamp'];
$direction="";
$switchlevel=50;
$table2TP=array();
$wayPoints='';
$wpt=0;
$coordsWithoutThermals='';
$i=1;
//2. Transform to KML and get max alt and max speed
foreach( $table as $place ) {
extract($place);
if (isset($lon1)){
//Calculate total distance run
$totalDist+=calcDist($lat,$lon,$lat1,$lon1);
$integ=4;
//Calculate local mean speed
$localmeanspeed[$i%$integ]=$speed;
//if ($debug) echo "$speed ";
for ($j=1;$j<$integ;$j++){
$speed+=$localmeanspeed[($i+$integ-$j)%$integ];
//if ($debug) echo "$speed ";
}
$speed=number_format($speed/$integ,0);
//if ($debug) echo " | $i : $speed <br>";
$localmeanspeed[$i%$integ]=$speed;
$integ=2;
//Calculate local mean Vz
$deltatime=$timestamp-$timestamp1;
if ($deltatime==0) $deltatime=1;
$vario=($alt-$alt1)/($deltatime);
$localmeanvario[$i%$integ]=$vario;
for ($j=1;$j<$integ;$j++)
$vario+=$localmeanvario[($i+$integ-$j)%$integ];
$vario=number_format($vario/$integ,1);
$localmeanvario[$i%$integ]=$vario;
//Calculate flight path color according to Vz
$variocolormax=5;
$variocolor=$vario;
if ($variocolor> $variocolormax) $variocolor=$variocolormax;
if ($variocolor< -$variocolormax) $variocolor=-$variocolormax;
$variocolor=($variocolor/$variocolormax)*255;
$color="FFFF00FF";
if ($variocolor<0) $color="FFFF00".sprintf("%02X",255+$variocolor) ;
if ($variocolor>0) $color="FF".sprintf("%02X",255-$variocolor)."00FF" ;
$vario=number_format($vario,1);
//Write corresponding fly path part in KML
$str.=LineString( "$time $alt m $speed km/h $vario m/s","","$lon1,$lat1,$alt1 $lon,$lat,$alt", "$color",2);
}
if ($timestamp-$lastchangetimestamp > 180) // Place 1 Waypoint at least every 3 minute
$table2TP[] = array( 'time'=> $time, 'lon' => $lon, 'lat' => $lat, 'alt' => $alt, 'speed' => $speed );
$lon1=$lon;$lat1=$lat;$alt1=$alt;$timestamp1=$timestamp; $vario1=$vario;
$meanSpeed+=$speed;
$i++;
if ($alt>$maxAlt)
{
$maxAlt=$alt;
$coordMaxAlt="$lon,$lat,$alt\n";
$timeMaxAlt=$time;
}
if ($speed>$maxSpeed)
{
$maxSpeed=$speed;
$coordMaxSpeed="$lon,$lat,$alt\n";
$timeMaxSpeed=$time;
}
if ($vario> $variomax)
{
$variomax=$vario;
$coordvariomax="$lon,$lat,$alt\n";
$timevariomax=$time;
}
if ($vario<$variomin)
{
$variomin=$vario;
$coordvariomin="$lon,$lat,$alt\n";
$timevariomin=$time;
}
//Calculate best Turnpoint for maximum distance
$distToDep=calcDist($latDep,$lonDep,$lat,$lon);
$distToArr=calcDist($latArr,$lonArr,$lat,$lon);
if ($distToDep+$distToArr> $bestDistance )
{
$bestDistance=$distToDep+$distToArr;
$lonBestDistance=$lon;
$latBestDistance=$lat;
$altBestDistance=$alt;
$timeBestDistance=$time;
}
//Check if we have finished to climb or to fall ! ;)
//And then, place a mark to give data about glide
if ($alt>$localAltMax) {
$localAltMax=$alt;
$localAltMaxLat=$lat;
$localAltMaxLon=$lon;
$coordlocalAltMax="$lon,$lat,$alt";
$timelocalAltMax=$time;
}
if ($alt<$localAltMin)
{
$localAltMin=$alt;
$localAltMinLat=$lat;
$localAltMinLon=$lon;
$coordlocalAltMin="$lon,$lat,$alt";
$timelocalAltMin=$time;
}
$deltaAlt=$alt-$lastchangeAlt;
//if ($debug) echo "<BR>direction=".$direction."alt=$alt lastchangeAlt=$lastchangeAlt deltaAlt=$deltaAlt lastchangedeltaAlt=$lastchangedeltaAlt lastchangedeltaAlt*deltaAlt=".$lastchangedeltaAlt*$deltaAlt;
//if ($debug) echo 'localAltMax='.$localAltMax.' localAltMin='.$localAltMin;//.'localAltMax-alt='.$localAltMax-$alt.' alt-localAltMin='.$alt-$localAltMin;
if(
($direction!="up" && $alt-$localAltMin > $switchlevel )
||
($direction!="down" && $localAltMax-$alt > $switchlevel )
)
{
if ($deltaAlt<0) {
$direction="down";
$curalt= $localAltMin;
$curlat= $localAltMinLat;
$curlon= $localAltMinLon;
$curtime=$timelocalAltMin;
}
else {
$direction="up";
$curalt= $localAltMax;
$curlat= $localAltMaxLat;
$curlon= $localAltMaxLon;
$curtime=$timelocalAltMax;
}
//if ($debug) echo " XXX SWITCH XXX!";
$deltaAlt=$curalt-$lastchangeAlt;
$deltaDist=calcDist($curlat,$curlon,$lastchangeLat,$lastchangeLon);
$totalDistWithoutThermal+=number_format($deltaDist/1000,2);
$deltaTime=$timestamp-$lastchangetimestamp;
if ($deltaTime==0) $deltaTime=1;
if ($deltaAlt==0) $deltaAlt=1;
$meanvario=number_format($deltaAlt/$deltaTime,2);
$glideratio=number_format(-$deltaDist/$deltaAlt,2);
if ($glideratio>$bestGlideRatio && $glideratio < 50) // GR>50 is quite unrealistic !
{
$bestGlideRatio=$glideratio;
$coordPreBestGlideRatio="$lastchangeLon,$lastchangeLat,$lastchangeAlt $curlon,$curlat,$curalt";
$coordBestGlideRatio=(($lastchangeLon+$curlon)/2).','.(($lastchangeLat+$curlat)/2).','.(($lastchangeAlt+$curalt)/2);
$timeBestGlideRatio=$curtime;
}
if ($deltaAlt>$bestGain)
{
$bestGain=$localAltMax-$localAltMin;
$coordPreBestGain="$coordlocalAltMin $coordlocalAltMax";
$coordBestGain=(($localAltMaxLon+$localAltMinLon)/2).','.(($localAltMaxLat+$localAltMinLat)/2).','.(($localAltMax+$localAltMin)/2);
$timeBestGain=$curtime;
}
if ($deltaDist>$bestTransition)
{
$bestTransition=$deltaDist;
$coordPreBestTransition="$lastchangeLon,$lastchangeLat,$lastchangeAlt $curlon,$curlat,$curalt";
$coordBestTransition=(($lastchangeLon+$curlon)/2).','.(($lastchangeLat+$curlat)/2).','.(($lastchangeAlt+$curalt)/2);
$timeBestTransition=$curtime;
}
if ($localAltMin<$minAlt)
{
$minAlt=$localAltMin;
$coordMinAlt=$coordlocalAltMin;
$timeMinAlt=$timelocalAltMin;
}
if ($deltaAlt>0) $deltaAlt="+".$deltaAlt;
$data="PathDistance = $totalDistWithoutThermal km
Straight distance to Departure = ".number_format($distToDep/1000,2)." km
Straight distance to Arrival =".number_format($distToArr/1000,2)." km";
$wayPoints.=MinorPoint('#'.$wpt.' '.$curtime.' '.$curalt.'m '.$speed.'kmh '.$deltaAlt.'m '.$meanvario.'m/s GR='.$glideratio,$data,"$curlon,$curlat,$curalt\n","<x>0</x><y>128</y>");
$wpt++;
$coordsWithoutThermals.="$curlon,$curlat,$curalt \n";
$lastchangeAlt=$curalt;
$lastchangeLat=$curlat;
$lastchangeLon=$curlon;
$lastchangetimestamp=$timestamp;
$lastchangedeltaAlt=$deltaAlt;
$localAltMax=$alt;
$localAltMin=$alt;
$table2TP[] = array( 'time'=> $curtime, 'lon' => $curlon, 'lat' => $curlat, 'alt' => $curalt, 'speed' => $speed );
}
}
$meanSpeed=$meanSpeed/$i;
$totalDistWithoutThermal+=number_format(calcDist($lastchangeAlt,$lastchangeLat,$lat,$lon)/1000,2);
// Let's loop again and calculate the best distance with TWO turnpoints
if ($debug) echo "<p>Nbpoints".count($table)."<P>";
if ($debug) echo "<p>NbWpoints".count($table2TP)."<P>";
if ($debug) echo "<p>wpt".$wpt."<P>";
$cpt=count($table2TP);
$interv=1;
$itermax=200;
if ($cpt>$itermax)
$interv=$cpt/$itermax;
for ($i=1;$i<$cpt-1; $i+=$interv ){
if (isset($table2TP[$i]['lat'])){
$ilat=$table2TP[$i]['lat'];
$ilon=$table2TP[$i]['lon'];
$ialt=$table2TP[$i]['alt'];
$itime=$table2TP[$i]['time'];
for ($j=$i+$interv;$j<$cpt;$j+=$interv){
if (isset($table2TP[$j]['lat'])){
$jlat=$table2TP[$j]['lat'];
$jlon=$table2TP[$j]['lon'];
$jalt=$table2TP[$j]['alt'];
$jtime=$table2TP[$j]['time'];
$curDist=calcDist($ilat,$ilon,$latDep,$lonDep)
+calcDist($ilat,$ilon,$jlat,$jlon)
+calcDist($latArr,$lonArr,$jlat,$jlon);
if ($debug) echo "i=$i j=$j time i=$itime time j =$jtime timeTP1=$timeBestDistance2TP1 timeTP2=$timeBestDistance2TP2 bestDist= $bestDistance2TP curdist =$curDist <BR>\n";
if ($curDist>$bestDistance2TP)
{
//if ($debug) echo "XXX bestDist !!!XXX \n";
$bestDistance2TP=$curDist;
$lonBestDistance2TP1=$ilon;
$latBestDistance2TP1=$ilat;
$altBestDistance2TP1=$ialt;
$timeBestDistance2TP1=$itime;
$lonBestDistance2TP2=$jlon;
$latBestDistance2TP2=$jlat;
$altBestDistance2TP2=$jalt;
$timeBestDistance2TP2=$jtime;
}
}
}
}
}
$flightPath='<Folder><name>Complete Flight Path</name>
<description>
Distance='.number_format($totalDist/1000,2).'km
Meanspeed='.number_format(($totalDist/1000)/($duration/60),2).'km/h
(integrated='.number_format($meanSpeed,0).'km/h)
</description>
'.$str.'
</Folder>';
// Let's Write Info about the flight and draw the trace without thermals
$name='Flight without Thermalling Path';
$pathWitoutThermals=LineString( $name,'',"$coordDep $coordsWithoutThermals $coordArr","90FFFFFF",1);
$flightWithoutThermals='<Folder>';
$flightWithoutThermals.='<name>Flight (without thermalling)</name><visibility>0</visibility>';
$flightWithoutThermals.='<description> Distance='.$totalDistWithoutThermal.'km Meanspeed='.number_format($totalDistWithoutThermal/($duration/60),2).'km/h</description>';
$flightWithoutThermals.=$pathWitoutThermals;
$flightWithoutThermals.='</Folder>';
$flightWayPoints='<Folder><name>WayPoints</name><visibility>0</visibility>'.$wayPoints.'</Folder>';
//Print best distance with 2 TurnPoints
$TP2='<Folder><name>Best distance Path with 2 Turnpoints</name>
<open>0</open>
<description> Distance ='.number_format($bestDistance2TP/1000,2).'km Meanspeed='.number_format(($bestDistance2TP/1000)/($duration/60),2).'km/h</description>';
;
$name='Flight Distance Path with 2 Turnpoints';
$nameTP1=$timeBestDistance2TP1.", bestTurnpoint 1/2";
$nameTP2=$timeBestDistance2TP2.", bestTurnpoint 2/2";
$coords2TP1= $lonBestDistance2TP1.','.$latBestDistance2TP1.','.$altBestDistance2TP1;
$coords2TP2= $lonBestDistance2TP2.','.$latBestDistance2TP2.','.$altBestDistance2TP2;
$coords2TP= "$coordDep
$coords2TP1
$coords2TP2
$coordArr
";
$distDep= number_format(calcDist($latBestDistance2TP1,$lonBestDistance2TP1,$latDep,$lonDep)/1000,2);
$distTP= number_format(calcDist($latBestDistance2TP1,$lonBestDistance2TP1,$latBestDistance2TP2,$lonBestDistance2TP2)/1000,2);
$distArr= number_format(calcDist($latBestDistance2TP2,$lonBestDistance2TP2,$latArr,$lonArr)/1000,2);
$TP2.=LineString( $name,"","$coords2TP","F000FF00",2);
$TP2.=MajorPoint($nameTP1,"Distance to Departure =$distDep km , Distance to TP2 = $distTP km",$coords2TP1,"<x>64</x><y>128</y>");
$TP2.=MajorPoint($nameTP2,"Distance to Arrival =$distArr km",$coords2TP2,"<x>64</x><y>128</y>");
$TP2.='</Folder>';
//Print best distance 1 TurnPoint
$coordBestDistance="$lonBestDistance,$latBestDistance,$altBestDistance";
$coords1TP="$coordDep
$coordBestDistance
$coordArr ";
$TP1="<Folder><open>0</open>";
$TP1.='<name>Best Distance Path with 1 TurnPoint</name>
<description> Distance='.number_format($bestDistance/1000,2).'km Meanspeed='.number_format(($bestDistance/1000)/($duration/60),0).'km/h</description>';
$name='Flight Distance Path with 1 Turnpoint';
$TP1.=LineString( $name,"","$coords1TP","F000FFFF",2);
$distDep= number_format(calcDist($latBestDistance,$lonBestDistance,$latDep,$lonDep)/1000,2);
$distArr= number_format(calcDist($latBestDistance,$lonBestDistance,$latArr,$lonArr)/1000,2);
$TP1.=MajorPoint($timeBestDistance.", best single Turnpoint",
"Distance to Departure =$distDep km , Distance to Arrival = $distArr km",
"$coordBestDistance","<x>64</x><y>128</y>");
$TP1.='</Folder>';
// Print Best Glide Ratio
$GR="<Folder><open>0</open>";
$GR.='<name>Best GR : '.$bestGlideRatio.' </name>';
$name='Best Glide Ratio = '.$bestGlideRatio;
$GR.=LineString( $name,"","$coordPreBestGlideRatio","8000FF00",8);
$GR.=MajorPoint($timeBestGlideRatio." Best GR : ".$bestGlideRatio,"", $coordBestGlideRatio,"<x>64</x><y>128</y>");
$GR.='</Folder>';
// Print Best Transition
$bestTransition=number_format($bestTransition/1000,2);
$BT="<Folder><open>0</open>";
$BT.='<name>Best Transition : '.$bestTransition.'km </name>';
$name='Best Transition = '.$bestTransition.'km';
$BT.=LineString( $name,"","$coordPreBestTransition","80FF0000",12);
$BT.=MajorPoint($timeBestTransition." Longest Transition : ".$bestTransition."km","", $coordBestTransition,"<x>64</x><y>128</y>");
$BT.='</Folder>';
// Print Best Gain
$name='Best Gain = '.$bestGain.'m';
$BG="<Folder><open>0</open>";
$BG.='<name>'.$name.'</name>';
if ($bestGain>0)
{
$BG.=LineString( $name,"","$coordPreBestGain","805555FF",20);
$BG.=MajorPoint($timeBestGain." Best Gain : ".$bestGain."m","", $coordBestGain,"<x>64</x><y>128</y>");
}
$BG.='</Folder>';
//if ($debug) echo "<p>duree=$duration s =".intval($duration/60)."h".($duration%60)."s<P>";
// Print Flight General Informations
//$duration=number_format($duration/3600,0)."h".sprintf("%02d",number_format(($duration%3600)/60,0))."m";
$duration=intval($duration/60)."h".sprintf("%02d",$duration%60)."m";
$gain=$maxAlt-$altDep;
$FlightGeneralInformations="<Folder><open>0</open>";
$FlightGeneralInformations.='<name>Flight General Informations</name>';
$FlightGeneralInformations.=MajorPoint($timeDep." ".$altDep."m, Departure : ".$departure,"", $coordDep,"<x>160</x><y>128</y>");
$FlightGeneralInformations.=MajorPoint($timeArr." ".$altArr."m, Arrival : ".$arrival,"", $coordArr,"<x>128</x><y>128</y>");
$FlightGeneralInformations.='<Folder><name>Duration ='.$duration.'</name></Folder>';
$FlightGeneralInformations.='<Folder><name>Dep to Arr :'
.number_format(calcDist($latDep,$lonDep,$latArr,$lonArr)/1000,2).'km straight </name></Folder>';
$FlightGeneralInformations.='<Folder><name>Height gain ='.$gain.'m</name></Folder>';
$FlightGeneralInformations.="</Folder>";
$MinMax=MajorPoint($timeMaxAlt." MaxAlt : ".$maxAlt."m","", $coordMaxAlt,"<x>32</x><y>128</y>");
$MinMax.=MajorPoint($timeMinAlt." MinAlt : ".$minAlt."m","", $coordMinAlt,"<x>32</x><y>128</y>");
$MinMax.=MajorPoint($timeMaxSpeed." MaxSpeed : ".$maxSpeed."km/h","", $coordMaxSpeed,"<x>64</x><y>128</y>");
$MinMax.=MajorPoint($timevariomax." MaxVz : ".$variomax."m/s","", $coordvariomax,"<x>64</x><y>128</y>");
$MinMax.=MajorPoint($timevariomin." MinVz : ".$variomin."m/s","", $coordvariomin,"<x>64</x><y>128</y>");
//Finally create the complete KML flow
//$str='<?xml version="1.0" encoding="UTF-8" ? >
//<kml xmlns="http://earth.google.com/kml/2.0">';
$str='<!-- converted by GPS2GE V2.0 http://www.parawing.net -->
<Folder>
<description>
Extra analysis generation by Man\'s GPS2GE V2.0 (http://www.parawing.net)
</description>
</Folder>
'.$FlightGeneralInformations.'
<Folder>
<name>Paths and Distances</name>
'.$flightPath.'
'.$flightWithoutThermals.'
'.$TP2.'
'.$TP1.'
</Folder>
<Folder>
<name>MinMax Measures</name>
'.$MinMax.'
'.$GR.'
'.$BG.'
'.$BT.'
</Folder>
'.$flightWayPoints.' ';
return $str;
}
?>