Example #1
0
File: rg2api.php Project: AtleH/rg2
function getLineEnds($x1, $y1, $x2, $y2)
{
    $offset = 20;
    $angle = getAngle($x1, $y1, $x2, $y2);
    $c1x = (int) ($x1 + $offset * cos($angle));
    $c1y = (int) ($y1 + $offset * sin($angle));
    $c2x = (int) ($x2 - $offset * cos($angle));
    $c2y = (int) ($y2 - $offset * sin($angle));
    return array($c1x, $c1y, $c2x, $c2y);
}
Example #2
0
function optimizePoly(array $_poly)
{
    $curangle = getAngle($_poly[0], $_poly[1]);
    $ret = array($_poly[0]);
    for ($i = 1, $l = count($_poly) - 1; $i < $l; ++$i) {
        $angle = getAngle($_poly[$i], $_poly[$i + 1]);
        if ($angle != $curangle) {
            $curangle = $angle;
            $ret[] = $_poly[$i];
        }
    }
    $ret[] = $_poly[$i];
    return $ret;
}
                break;
            }
        }
    }
    // preskoči avione koji nisu u okviru prozora
    if ($lat < $latMin || $lat > $latMax || $lon < $lonMin || $lon > $lonMax) {
        continue;
    }
    $node = $dom->createElement("airplane");
    $airplaneNode = $parnode->appendChild($node);
    $airplaneNode->setAttribute("id", $row['OID']);
    $airplaneNode->setAttribute("start_time", $start_time);
    $airplaneNode->setAttribute("end_time", $row['end_time']);
    $airplaneNode->setAttribute("lat", $lat);
    $airplaneNode->setAttribute("lon", $lon);
    $airplaneNode->setAttribute("alt", $alt);
    $airplaneNode->setAttribute("point_name", $point_name);
    $angle = getAngle($lat1ForAngle, $lon1ForAngle, $lat, $lon);
    $airplaneNode->setAttribute("angle", $angle);
    $planesCounter++;
    if ($planesCounter == $maxFlights) {
        break;
    }
}
// upis u XML
echo $dom->saveXML();
function getAngle($lat1, $lon1, $lat2, $lon2)
{
    $angle = atan2($lon2 - $lon1, $lat2 - $lat1);
    return rad2deg($angle);
}