function getMapFromServer($num = 0)
{
global $moduleRelPath, $mapServerActive;
if (!$mapServerActive) {
return;
}
require_once dirname(__FILE__) . "/CL_map.php";
$filename = $this->getIGCFilename(1);
$lines = @file($filename);
if (!$lines) {
return;
}
$i = 0;
$min_lat = 1000;
$max_lat = -1000;
$min_lon = 1000;
$max_lon = -1000;
foreach ($lines as $line) {
$line = trim($line);
if (strlen($line) == 0) {
continue;
}
if ($line[0] == 'B') {
$thisPoint = new gpsPoint($line, $this->timezone);
if ($thisPoint->lat > $max_lat) {
$max_lat = $thisPoint->lat;
}
if ($thisPoint->lat < $min_lat) {
$min_lat = $thisPoint->lat;
}
if ($thisPoint->lon > $max_lon) {
$max_lon = $thisPoint->lon;
}
if ($thisPoint->lon < $min_lon) {
$min_lon = $thisPoint->lon;
}
$i++;
}
}
if ($i == 0) {
return;
}
// no B records found
$lat_diff = $max_lat - $min_lat;
$lon_diff = $max_lon - $min_lon;
DEBUG("MAP", 1, "MAP min_lat: {$min_lat}, min_lon: {$min_lon}, max_lat: {$max_lat}, max_lon: {$max_lon} <BR>");
if ($lat_diff > 20 || $lon_diff > 20) {
return;
}
// too much
list($MAP_LEFT, $MAP_TOP, $UTMzone, $UTMlatZone) = utm(-$max_lon, $max_lat);
list($MAP_RIGHT, $MAP_BOTTOM, $UTMzone2, $UTMlatZone2) = utm(-$min_lon, $min_lat);
$totalWidth1 = calc_distance($min_lat, $min_lon, $min_lat, $max_lon);
$totalWidth2 = calc_distance($max_lat, $min_lon, $max_lat, $max_lon);
$totalWidth = max($totalWidth1, $totalWidth2);
$totalWidth_initial = $totalWidth;
$totalHeight = $MAP_TOP - $MAP_BOTTOM;
DEBUG("MAP", 1, "MAP (right, left) :" . $MAP_RIGHT . " [" . $UTMzone2 . "] ," . $MAP_LEFT . "[" . $UTMzone . "]<BR>");
DEBUG("MAP", 1, "MAP (top, bottom) :" . $MAP_TOP . " ," . $MAP_BOTTOM . "<BR>");
DEBUG("MAP", 1, "MAP (witdh,height) :" . $totalWidth . "," . $totalHeight . "<BR>");
if ($totalWidth > $totalHeight) {
// Landscape style
DEBUG("MAP", 1, "Landscape style <BR>");
DEBUG("MAP", 1, "totalWidth: {$totalWidth}, totalHeight: {$totalHeight}, totalHeight/totalWidth: " . $totalHeight / $totalWidth . "<br>");
if ($totalHeight / $totalWidth < 3 / 4) {
$totalHeight = 3 / 4 * $totalWidth;
}
} else {
// portait style
DEBUG("MAP", 1, "Portait style <BR>");
DEBUG("MAP", 1, "totalWidth: {$totalWidth}, totalHeight: {$totalHeight}, totalWidth/totalHeight: " . $totalWidth / $totalHeight . "<br>");
if ($totalWidth / $totalHeight < 3 / 4) {
$totalWidth = 3 / 4 * $totalHeight;
}
}
$marginHor = 2000 + floor($totalWidth / 20000) * 1000 + ($totalWidth - $totalWidth_initial) / 2;
//in meters
$marginVert = 2000 + floor($totalHeight / 20000) * 1000 + ($totalHeight - ($MAP_TOP - $MAP_BOTTOM)) / 2;
//in meters
if ($marginHor > $marginVert) {
// landscape style ...
if ($marginVert / $marginHor < 3 / 4) {
$marginVert = 3 / 4 * $marginHor;
}
} else {
// portait style
if ($marginHor / $marginVert < 3 / 4) {
$marginHor = 3 / 4 * $marginVert;
}
}
DEBUG("MAP", 1, "marginHor: {$marginHor}, marginVert:{$marginVert} <br>");
$flMap = new flightMap($UTMzone, $UTMlatZone, $MAP_TOP + $marginVert, $MAP_LEFT - $marginHor, $UTMzone2, $UTMlatZone2, $MAP_BOTTOM - $marginVert, $MAP_RIGHT + $marginHor, 600, 800, $this->getIGCFilename(1), $this->getMapFilename(0), $this->is3D());
DEBUG("MAP", 1, "MAP Required m/pixel = " . $flMap->metersPerPixel . "<br>");
$flMap->drawFlightMap();
}
// portait style
DEBUG("MAP", 1, "Portait style <BR>");
DEBUG("MAP", 1, "totalWidth: {$totalWidth}, totalHeight: {$totalHeight}, totalWidth/totalHeight: " . $totalWidth / $totalHeight . "<br>");
if ($totalWidth / $totalHeight < 3 / 4) {
$totalWidth = 3 / 4 * $totalHeight;
}
}
$marginHor = 2000 + floor($totalWidth / 20000) * 1000 + ($totalWidth - $totalWidth_initial) / 2;
//in meters
$marginVert = 1000 + floor($totalHeight / 20000) * 1000 + ($totalHeight - ($MAP_TOP - $MAP_BOTTOM)) / 2;
//in meters
if ($marginHor > $marginVert) {
// landscape style ...
if ($marginVert / $marginHor < 3 / 4) {
$marginVert = 3 / 4 * $marginHor;
}
} else {
// portait style
if ($marginHor / $marginVert < 3 / 4) {
$marginHor = 3 / 4 * $marginVert;
}
}
DEBUG("MAP", 1, "marginHor: {$marginHor}, marginVert:{$marginVert} <br>");
$flMap = new flightMap($UTMzone, $UTMlatZone, $MAP_TOP + $marginVert, $MAP_LEFT - $marginHor, $UTMzone2, $UTMlatZone2, $MAP_BOTTOM - $marginVert, $MAP_RIGHT + $marginHor, 600, 800, "", "", 0);
DEBUG("MAP", 1, "MAP Required m/pixel = " . $flMap->metersPerPixel . "<br>");
$flMap->showTrack = 0;
$flMap->showWaypoints = 0;
header('Content-Type: image/jpeg');
$flMap->drawFlightMap();
}
}
