se/SE/dev/php-cli/biale_plamy.php

<?php
$_SERVER['SERVER_NAME'] = 'biuro.biall-net.pl';
require("../../se-lib/bootstrap.php");
Lib::loadClass("Vendor_Geophp");



function init_sh_check() {
    //check if run from bash
    if(isset($_SERVER["argv"])) {
        if(@$_SERVER["argv"][1]=='--help') {
            echo "
                Options are:
                php ".$_SERVER["argv"][0]." --check   - control if we have needed tables/data
                
                .EOF
            ";
        } else if(@$_SERVER["argv"][1]=='--check') { 
            check();
        } else echo " bad option, try:
            php ".$_SERVER["argv"][0]." --help
            
            .EOF
            ";
    } else {
        echo "<br> this script could be run from bash e.g. php biale_plamy.php --help <br>" ;
        check();
    }
}



function check() {
	echo "<br>\n i run check()";
    //todo to set arguments to rebuild tables etc:
    $check_tbls=array('Rozdzielcza_test_bzyk_drogi','Rozdzielcza_test_bzyk_joins','Rozdzielcza_test_bzyk_przylacza_HIST',
                    'Rozdzielcza_test_bzyk_przylacza','Rozdzielcza_test_bzyk_punkty_adresowe','Rozdzielcza_test_bzyk_ways');

    //$tables =  DB::getPDO()->list_tables();
    foreach($check_tbls as $tbl) {
        $query = "select ID from ".$tbl." limit 1 ";
        echo "<br>\nresult chk for tbl:".$tbl." ;";
        
        try{
            $result = DB::getPDO()->fetchall($query);
        } catch(Exception $exception) {
            // return $exception;
            echo "<br>\n jest blad z tbl:".$tbl." i get sample table structure with data from ../sql/".$tbl.".sql  - it should be manually replaced by correct/newer!";
            $sql = file_get_contents('../sql/'.$tbl.'.sql');
            
            try{
                $result = DB::getPDO()->fetchall($sql);
            } catch(Exception $exception2) {
                echo "<br>\n jest blad dump dla tbl:".$tbl;
            }
        } 
        //	print_r($exception);
        print_r($result);
    }
}

init_sh_check();   

$query = "select astext(the_geom) as multiway from Rozdzielcza_test_bzyk_drogi where numpoints(the_geom)>1";
$result = DB::getPDO()->fetchall($query);
$joins_asText = array();
foreach ($result as $row) {
	$multiway = Vendor_Geophp::load($row['multiway'], 'wkt');
//echo $multiway->length();
	for ($i = 1; $i < $n = $multiway->numPoints(); $i++) {
		$way = new LineString(array($multiway->pointN($i), $multiway->pointN($i+1)));
		$ways_asText[] = $way->asText();
		if (!in_array($multiway->pointN($i)->asText(), $joins_asText)) $joins_asText[] = $multiway->pointN($i)->asText();
	}
	if (!in_array($multiway->pointN($n)->asText(), $joins_asText)) $joins_asText[] = $multiway->pointN($n)->asText();
}

$query = "select ID, astext(the_geom) as point, astext(the_geom_nearest_way) as way, astext(the_geom_xpoint) as xpoint from Rozdzielcza_test_bzyk_punkty_adresowe limit 100";
$result = DB::getPDO()->fetchall($query);
$xpoints = array();
foreach ($result as $row) {
        $points[$row['ID']] = Vendor_Geophp::load($row['point'], 'wkt');

        $xpoint = Vendor_Geophp::load($row['xpoint'], 'wkt');
	if (!($key = array_search($xpoint->asText(), $xpoints))) $key = array_push($xpoints, $xpoint->asText())-1;
	$xpoints2points[$key][] = $row['ID'];
	$points2xpoints[$row['ID']] = $key;

        $way = Vendor_Geophp::load($row['way'], 'wkt');

	if (!(in_array($xpoint->asText(), $joins_asText))) {
		if (@!in_array($key, $ways2cut[array_search($way->asText(), $ways_asText)])) {
			$ways2cut[array_search($way->asText(), $ways_asText)][] = $key;
		} else echo ".";
	};
}

function pointsDistance($a, $b) {
	$line = new LineString(array($a, $b));
	return $line->length();
}

foreach ($ways2cut as $way_key => $xpoint_keys) {
	$distances = array();
	$way = Vendor_Geophp::load($ways_asText[$way_key], 'wkt');
	foreach ($xpoint_keys as $xpoint_key) {
		$xpoint = Vendor_Geophp::load($xpoints[$xpoint_key], 'wkt');
		$key = array_push($joins_asText, $xpoint->asText())-1;
		foreach ($xpoints2points[$xpoint_key] as $point_key) {
			$points2joins[$point_key] = $key;
		}
		$distances[$xpoint_key] = pointsDistance($way->startPoint(), $xpoint);
	}
	asort($distances);

	$sub_xpoints = array();
	foreach (array_keys($distances) as $xpoint_key) {
		$sub_xpoints[] = Vendor_Geophp::load($xpoints[$xpoint_key]);
	}

	$startPoint = $way->startPoint();
	$endPoint = $way->endPoint();
	$way = new LineString(array($startPoint, $sub_xpoints[0]));
	$ways_asText[$way_key] = $way->asText();
	for ($i = 0; $i < $n = count($sub_xpoints) - 1; $i++) {
		$way = new LineString(array($sub_xpoints[$i], $sub_xpoints[$i+1]));
		$ways_asText[] = $way->asText();
	}
	$way = new LineString(array($sub_xpoints[$n], $endPoint));
	$ways_asText[] = $way->asText();
}
echo "\n";
foreach (array_keys($ways_asText) as $way_key) {
	$way = Vendor_Geophp::load($ways_asText[$way_key], 'wkt');
	$ways_lenghts[$way_key] = $way->length();
	for ($i = 1; $i <= 2; $i++) {
		$join = $way->pointN($i)->asText();
		$join_key = array_search($join, $joins_asText);
//if (!$join_key) echo ".";
		$ways2joins[$way_key][] = $join_key;
		$joins2ways[$join_key][] = $way_key;
	}
}


function findWay($join_key, $point_key, $path = array()) {
	global $ways2joins, $joins2ways, $points2joins, $ways_asText, $joins2ways, $points, $points2xpoints, $xpoints2joins, $ways_lengths, $res;
//echo implode('->',$path)."\n\n";
	if ($join_key == $points2joins[$point_key]) $res[] = $path;
	else {
		foreach ($joins2ways[$join_key] as $way_key) {
			if (!in_array($way_key, $path)) {
//				$joins = $ways2joins[$way_key];
//				$back_join_subkey = array_search($join_key, $joins);
//				$new_join_subkey = 1 - $back_join_subkey;
//				$new_join = $joins[$new_join_subkey];
				$new_join = $ways2joins[$way_key][1 - array_search($join_key,  $ways2joins[$way_key])];
				findWay($new_join, $point_key, array_merge($path,array($way_key)));
			}
		}
	}
}

//print_r($ways2joins);
for ($i = 0; $i < count($points); $i++) {
//	$res = array();
	if (isset($res)) unset($res);
	findWay(2000, $i);
	print_r($res);
}
//print_r($ways);

echo "ways count: ".count($ways_asText)."\n";

/*
$db = DB::getDB();
$db->query("truncate table Rozdzielcza_test_bzyk_ways");
$db->query("truncate table Rozdzielcza_test_bzyk_joins");


foreach ($ways_asText as $way) {
	$query = "insert into Rozdzielcza_test_bzyk_ways (the_geom) values (linefromtext('".$way."'))";
	$db->query($query);
	//echo $query."\n";
}

foreach ($joins_asText as $join) {
	$query = "insert into Rozdzielcza_test_bzyk_joins (the_geom) values (pointfromtext('".$join."'))";
	$db->query($query);
}
*/