[Mapping] calculate midpoint of multi grids for markers
这个提交包含在：
Peter Goodhall
父节点
f113d1c17b
当前提交
0eb2b6043e
共有 4 个文件被更改，包括 143 次插入 和 0 次删除
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@ -121,7 +121,43 @@ class Dashboard extends CI_Controller {
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}
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}
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$count++;
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$count++;
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}elseif($row->COL_VUCC_GRIDS != null) {
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$grids = explode(",", $row->COL_VUCC_GRIDS);
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if (count($grids) == 2) {
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$grid1 = $this->qra->qra2latlong(trim($grids[0]));
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$grid2 = $this->qra->qra2latlong(trim($grids[1]));
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$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
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$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
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$stn_loc = $this->qra->get_midpoint($coords);
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}
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if (count($grids) == 4) {
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$grid1 = $this->qra->qra2latlong(trim($grids[0]));
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$grid2 = $this->qra->qra2latlong(trim($grids[1]));
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$grid3 = $this->qra->qra2latlong(trim($grids[2]));
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$grid4 = $this->qra->qra2latlong(trim($grids[3]));
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$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
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$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
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$coords[]=array('lat' => $grid3[0],'lng'=> $grid3[1]);
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$coords[]=array('lat' => $grid4[0],'lng'=> $grid4[1]);
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$stn_loc = $this->qra->get_midpoint($coords);
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}
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if($count != 1) {
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echo ",";
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}
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if($row->COL_SAT_NAME != null) {
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echo "{\"lat\":\"".$stn_loc[0]."\",\"lng\":\"".$stn_loc[1]."\", \"html\":\"Callsign: ".$row->COL_CALL."<br />Date/Time: ".$row->COL_TIME_ON."<br />SAT: ".$row->COL_SAT_NAME."<br />Mode: ".$row->COL_MODE."\",\"label\":\"".$row->COL_CALL."\"}";
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} else {
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echo "{\"lat\":\"".$stn_loc[0]."\",\"lng\":\"".$stn_loc[1]."\", \"html\":\"Callsign: ".$row->COL_CALL."<br />Date/Time: ".$row->COL_TIME_ON."<br />Band: ".$row->COL_BAND."<br />Mode: ".$row->COL_MODE."\",\"label\":\"".$row->COL_CALL."\"}";
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}
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$count++;
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} else {
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} else {
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$query = $this->db->query('
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$query = $this->db->query('
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SELECT *
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SELECT *
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@ -375,7 +375,44 @@ class Logbook extends CI_Controller {
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}
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}
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$count++;
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$count++;
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}elseif($row->COL_VUCC_GRIDS != null) {
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$grids = explode(",", $row->COL_VUCC_GRIDS);
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if (count($grids) == 2) {
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$grid1 = $this->qra->qra2latlong(trim($grids[0]));
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$grid2 = $this->qra->qra2latlong(trim($grids[1]));
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$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
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$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
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$stn_loc = $this->qra->get_midpoint($coords);
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}
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if (count($grids) == 4) {
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$grid1 = $this->qra->qra2latlong(trim($grids[0]));
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$grid2 = $this->qra->qra2latlong(trim($grids[1]));
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$grid3 = $this->qra->qra2latlong(trim($grids[2]));
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$grid4 = $this->qra->qra2latlong(trim($grids[3]));
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$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
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$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
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$coords[]=array('lat' => $grid3[0],'lng'=> $grid3[1]);
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$coords[]=array('lat' => $grid4[0],'lng'=> $grid4[1]);
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$stn_loc = $this->qra->get_midpoint($coords);
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}
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if($count != 1) {
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echo ",";
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}
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if($row->COL_SAT_NAME != null) {
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echo "{\"lat\":\"".$stn_loc[0]."\",\"lng\":\"".$stn_loc[1]."\", \"html\":\"Callsign: ".$row->COL_CALL."<br />Date/Time: ".$row->COL_TIME_ON."<br />SAT: ".$row->COL_SAT_NAME."<br />Mode: ".$row->COL_MODE."\",\"label\":\"".$row->COL_CALL."\"}";
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} else {
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echo "{\"lat\":\"".$stn_loc[0]."\",\"lng\":\"".$stn_loc[1]."\", \"html\":\"Callsign: ".$row->COL_CALL."<br />Date/Time: ".$row->COL_TIME_ON."<br />Band: ".$row->COL_BAND."<br />Mode: ".$row->COL_MODE."\",\"label\":\"".$row->COL_CALL."\"}";
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}
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$count++;
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} else {
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} else {
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$query = $this->db->query('
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$query = $this->db->query('
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SELECT *
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SELECT *
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@ -70,6 +70,46 @@ class Qra {
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$stn = qra2latlong($rx);
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$stn = qra2latlong($rx);
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return get_bearing($my[0], $my[1], $stn[0], $stn[1]);
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return get_bearing($my[0], $my[1], $stn[0], $stn[1]);
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}
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}
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/*
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Find the Midpoint between two gridsquares using lat / long
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Needs following passed
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$coords[]=array('lat' => '53.344104','lng'=>'-6.2674937');
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$coords[]=array('lat' => '51.5081289','lng'=>'-0.128005');
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*/
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function get_midpoint($coords)
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{
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$count_coords = count($coords);
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$xcos=0.0;
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$ycos=0.0;
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$zsin=0.0;
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foreach ($coords as $lnglat)
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{
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$lat = $lnglat['lat'] * pi() / 180;
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$lon = $lnglat['lng'] * pi() / 180;
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$acos = cos($lat) * cos($lon);
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$bcos = cos($lat) * sin($lon);
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$csin = sin($lat);
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$xcos += $acos;
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$ycos += $bcos;
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$zsin += $csin;
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}
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$xcos /= $count_coords;
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$ycos /= $count_coords;
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$zsin /= $count_coords;
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$lon = atan2($ycos, $xcos);
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$sqrt = sqrt($xcos * $xcos + $ycos * $ycos);
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$lat = atan2($zsin, $sqrt);
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return array($lat * 180 / pi(), $lon * 180 / pi());
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}
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}
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}
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function distance($lat1, $lon1, $lat2, $lon2, $unit = 'M') {
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function distance($lat1, $lon1, $lat2, $lon2, $unit = 'M') {
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@ -158,4 +198,6 @@ function qra2latlong($strQRA) {
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return array(0, 0);
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return array(0, 0);
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}
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}
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}
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}
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/* End of file Qra.php */
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/* End of file Qra.php */
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@ -434,6 +434,34 @@
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$lat = $stn_loc[0];
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$lat = $stn_loc[0];
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$lng = $stn_loc[1];
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$lng = $stn_loc[1];
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}
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}
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} elseif($row->COL_VUCC_GRIDS != null) {
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$grids = explode(",", $row->COL_VUCC_GRIDS);
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if (count($grids) == 2) {
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$grid1 = $this->qra->qra2latlong(trim($grids[0]));
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$grid2 = $this->qra->qra2latlong(trim($grids[1]));
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$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
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$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
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$midpoint = $this->qra->get_midpoint($coords);
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$lat = $midpoint[0];
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$lng = $midpoint[1];
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}
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if (count($grids) == 4) {
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$grid1 = $this->qra->qra2latlong(trim($grids[0]));
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$grid2 = $this->qra->qra2latlong(trim($grids[1]));
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$grid3 = $this->qra->qra2latlong(trim($grids[2]));
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$grid4 = $this->qra->qra2latlong(trim($grids[3]));
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$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
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$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
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$coords[]=array('lat' => $grid3[0],'lng'=> $grid3[1]);
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$coords[]=array('lat' => $grid4[0],'lng'=> $grid4[1]);
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$midpoint = $this->qra->get_midpoint($coords);
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$lat = $midpoint[0];
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$lng = $midpoint[1];
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}
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} else {
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} else {
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$CI =& get_instance();
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$CI =& get_instance();
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