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moved bIncludePolygonAsPoints related logic into lib.php, added tests

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Marc Tobias Metten
2016-02-28 17:06:52 +01:00
parent 07628dc05d
commit 7f5fe8c877
2 changed files with 51 additions and 29 deletions
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26
lib/lib.php
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@@ -1022,3 +1022,29 @@
return array('lat' => $fQueryLat, 'lon' => $fQueryLon, 'query' => $sQuery);
}
function geometryText2Points($geometry_as_text,$fRadius)
{
$aPolyPoints = NULL;
if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$geometry_as_text,$aMatch))
{
preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
}
elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$geometry_as_text,$aMatch))
{
preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
}
elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$geometry_as_text,$aMatch))
{
$iSteps = max(8, min(100, ($fRadius * 40000)^2));
$fStepSize = (2*pi())/$iSteps;
$aPolyPoints = array();
for($f = 0; $f < 2*pi(); $f += $fStepSize)
{
$aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
}
}
return $aPolyPoints;
}