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[Mapping] calculate midpoint of multi grids for markers

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Peter Goodhall 2022-04-04 15:15:24 +01:00
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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36
application/controllers/Dashboard.php
查看文件

@ -121,7 +121,43 @@ class Dashboard extends CI_Controller {
}
$count++;
}elseif($row->COL_VUCC_GRIDS != null) {
$grids = explode(",", $row->COL_VUCC_GRIDS);
if (count($grids) == 2) {
$grid1 = $this->qra->qra2latlong(trim($grids[0]));
$grid2 = $this->qra->qra2latlong(trim($grids[1]));
$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
$stn_loc = $this->qra->get_midpoint($coords);
}
if (count($grids) == 4) {
$grid1 = $this->qra->qra2latlong(trim($grids[0]));
$grid2 = $this->qra->qra2latlong(trim($grids[1]));
$grid3 = $this->qra->qra2latlong(trim($grids[2]));
$grid4 = $this->qra->qra2latlong(trim($grids[3]));
$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
$coords[]=array('lat' => $grid3[0],'lng'=> $grid3[1]);
$coords[]=array('lat' => $grid4[0],'lng'=> $grid4[1]);
$stn_loc = $this->qra->get_midpoint($coords);
}
if($count != 1) {
echo ",";
}
if($row->COL_SAT_NAME != null) {
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\":\"".$row->COL_CALL."\"}";
} else {
echo "{\"lat\":\"".$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."\"}";
}
$count++;
} else {
$query = $this->db->query('
SELECT *

37
application/controllers/Logbook.php
查看文件

@ -375,7 +375,44 @@ class Logbook extends CI_Controller {
}
$count++;
}elseif($row->COL_VUCC_GRIDS != null) {
$grids = explode(",", $row->COL_VUCC_GRIDS);
if (count($grids) == 2) {
$grid1 = $this->qra->qra2latlong(trim($grids[0]));
$grid2 = $this->qra->qra2latlong(trim($grids[1]));
$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
$stn_loc = $this->qra->get_midpoint($coords);
}
if (count($grids) == 4) {
$grid1 = $this->qra->qra2latlong(trim($grids[0]));
$grid2 = $this->qra->qra2latlong(trim($grids[1]));
$grid3 = $this->qra->qra2latlong(trim($grids[2]));
$grid4 = $this->qra->qra2latlong(trim($grids[3]));
$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
$coords[]=array('lat' => $grid3[0],'lng'=> $grid3[1]);
$coords[]=array('lat' => $grid4[0],'lng'=> $grid4[1]);
$stn_loc = $this->qra->get_midpoint($coords);
}
if($count != 1) {
echo ",";
}
if($row->COL_SAT_NAME != null) {
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\":\"".$row->COL_CALL."\"}";
} else {
echo "{\"lat\":\"".$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."\"}";
}
$count++;
} else {
$query = $this->db->query('
SELECT *

42
application/libraries/Qra.php
查看文件

@ -70,6 +70,46 @@ class Qra {
$stn = qra2latlong($rx);
return get_bearing($my[0], $my[1], $stn[0], $stn[1]);
}
/*
Find the Midpoint between two gridsquares using lat / long
Needs following passed
$coords[]=array('lat' => '53.344104','lng'=>'-6.2674937');
$coords[]=array('lat' => '51.5081289','lng'=>'-0.128005');
*/
function get_midpoint($coords)
{
$count_coords = count($coords);
$xcos=0.0;
$ycos=0.0;
$zsin=0.0;
foreach ($coords as $lnglat)
{
$lat = $lnglat['lat'] * pi() / 180;
$lon = $lnglat['lng'] * pi() / 180;
$acos = cos($lat) * cos($lon);
$bcos = cos($lat) * sin($lon);
$csin = sin($lat);
$xcos += $acos;
$ycos += $bcos;
$zsin += $csin;
}
$xcos /= $count_coords;
$ycos /= $count_coords;
$zsin /= $count_coords;
$lon = atan2($ycos, $xcos);
$sqrt = sqrt($xcos * $xcos + $ycos * $ycos);
$lat = atan2($zsin, $sqrt);
return array($lat * 180 / pi(), $lon * 180 / pi());
}
}
function distance($lat1, $lon1, $lat2, $lon2, $unit = 'M') {
@ -158,4 +198,6 @@ function qra2latlong($strQRA) {
return array(0, 0);
}
}
/* End of file Qra.php */

28
application/views/view_log/qso.php
查看文件

@ -434,6 +434,34 @@
$lat = $stn_loc[0];
$lng = $stn_loc[1];
}
} elseif($row->COL_VUCC_GRIDS != null) {
$grids = explode(",", $row->COL_VUCC_GRIDS);
if (count($grids) == 2) {
$grid1 = $this->qra->qra2latlong(trim($grids[0]));
$grid2 = $this->qra->qra2latlong(trim($grids[1]));
$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
$midpoint = $this->qra->get_midpoint($coords);
$lat = $midpoint[0];
$lng = $midpoint[1];
}
if (count($grids) == 4) {
$grid1 = $this->qra->qra2latlong(trim($grids[0]));
$grid2 = $this->qra->qra2latlong(trim($grids[1]));
$grid3 = $this->qra->qra2latlong(trim($grids[2]));
$grid4 = $this->qra->qra2latlong(trim($grids[3]));
$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);
$coords[]=array('lat' => $grid3[0],'lng'=> $grid3[1]);
$coords[]=array('lat' => $grid4[0],'lng'=> $grid4[1]);
$midpoint = $this->qra->get_midpoint($coords);
$lat = $midpoint[0];
$lng = $midpoint[1];
}
} else {
$CI =& get_instance();