道格拉斯坐标抽稀算法【PHP实现】
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2022-05-17 20:46:24
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道格拉斯坐标抽稀算法 无 $polyline = "116.621222,41.028553;116.621648,41.029848;.....";$pl = split(";", $polyline);$plstr = "";$flag = 0;$min = 0.0001;for ($j=0; $j count($pl)-1; $j=$j+3) { $xy1 = split(",", $pl[$j]);$x1 = $xy1[0];$y1 = $xy1
道格拉斯坐标抽稀算法
$polyline = "116.621222,41.028553;116.621648,41.029848;.....";
$pl = split(";", $polyline);
$plstr = "";
$flag = 0;
$min = 0.0001;
for ($j=0; $j 上一篇： ascii码表 PHP详解ASCII码对照表与字符转换
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