function array_deep_copy(&$array, &$copy, $maxdepth = 50, $depth = 0)
{
if ($depth > $maxdepth) {
$copy = $array;
return;
}
if (!is_array($copy)) {
$copy = array();
}
foreach ($array as $k => &$v) {
if (is_array($v)) {
array_deep_copy($v, $copy[$k], $maxdepth, ++$depth);
} else {
$copy[$k] = $v;
}
}
}
/**
* Array deep copy
*
* @params array $array
* @params int $maxdepth
* @params int $depth
*
* @return array copy of the array
*
* @static
* @access public
*/
static function array_deep_copy(&$array, $maxdepth = 50, $depth = 0)
{
if ($depth > $maxdepth) {
return $array;
}
$copy = array();
foreach ($array as $key => $value) {
if (is_array($value)) {
array_deep_copy($value, $copy[$key], $maxdepth, ++$depth);
} else {
$copy[$key] = $value;
}
}
return $copy;
}
function build_mapnik_style($id, $data, $global_tags) {
global $importance_levels;
global $postgis_tables;
$layers=array("polygon_shape"=>array("reverse"),
"line_shape" =>array("reverse"),
"point_icon"=>array("reverse"),
"point_text"=>array("normal"),
"line_text" =>array("normal"),
"line_icon"=>array("normal"));
$dom=new DOMDocument();
$map=$dom->createElement("Map");
$map->setAttribute("srs", "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs +over");
$dom->appendChild($map);
categories_insert_fontsets($map, $dom);
$ret=array();
$columns=array();
foreach($data as $importance=>$data1) if($importance!="_") {
foreach($data1 as $table=>$data2) {
$style_icon=$dom->createElement("Style");
$style_icon->setAttribute("name", "{$id}_{$importance}_{$table}_icon");
$style_text=$dom->createElement("Style");
$style_text->setAttribute("name", "{$id}_{$importance}_{$table}_text");
$style_shape=$dom->createElement("Style");
$style_shape->setAttribute("name", "{$id}_{$importance}_{$table}_shape");
foreach($data2['rule'] as $i=>$tags) {
$rule_id=$data2['rule_id'][$i];
// layer polygon_shape
if(isset($postgis_tables[$table])&&
in_array("polygon_shape", $postgis_tables[$table]['layers'])) {
$def=mapnik_style_polygon_polygon($dom, $rule_id, $tags, $global_tags, $importance);
if(isset($def)) {
$style_shape->appendChild($def['rule']);
$columns[]=$def['columns'];
}
}
// layer point_icon
if(isset($postgis_tables[$table])&&
in_array("point_icon", $postgis_tables[$table]['layers'])) {
$def=mapnik_style_point_icon($dom, $rule_id, $tags, $global_tags, $importance);
if(isset($def)) {
$style_icon->appendChild($def['rule']);
$columns[]=$def['columns'];
}
}
// layer point_text
if(isset($postgis_tables[$table])&&
in_array("point_text", $postgis_tables[$table]['layers'])) {
$def=mapnik_style_point_text($dom, $rule_id, $tags, $global_tags, $importance);
if(isset($def)) {
$style_text->appendChild($def['rule']);
$columns[]=$def['columns'];
}
}
// layer line_shape
if(isset($postgis_tables[$table])&&
in_array("line_shape", $postgis_tables[$table]['layers'])) {
$def=mapnik_style_line_line($dom, $rule_id, $tags, $global_tags, $importance);
if(isset($def)) {
$style_shape->appendChild($def['rule']);
$columns[]=$def['columns'];
}
}
// layer line_text
if(isset($postgis_tables[$table])&&
in_array("line_text", $postgis_tables[$table]['layers'])) {
$def=mapnik_style_line_text($dom, $rule_id, $tags, $global_tags, $importance);
if(isset($def)) {
$style_text->appendChild($def['rule']);
$columns[]=$def['columns'];
}
}
// layer line_icon
if(isset($postgis_tables[$table])&&
in_array("line_shape", $postgis_tables[$table]['layers'])) {
$def=mapnik_style_line_icon($dom, $rule_id, $tags, $global_tags, $importance);
if(isset($def)) {
$style_icon->appendChild($def['rule']);
$columns[]=$def['columns'];
}
}
}
print "Columns (1): ";
print_r($columns);
$new_columns=array();
foreach($columns as $col) {
if(!isset($col));
else if(is_string($col)) {
$new_columns[]=$col;
}
else if(is_array($col)) {
foreach($col as $col1) {
$new_columns[]=$col1;
}
}
}
$columns=array_unique($new_columns);
print "Columns (2): ";
print_r($columns);
$sql_tables=$data2['sql'];
$sql_select=array();
$sql_join=array();
$sql_select[]="t.*";
foreach($columns as $col) {
$el=explode("|", $col);
$str="osb_$el[0](t.osm_id, t.osm_tags, t.geo, t.rule_tags";
for($i=1; $i<sizeof($el); $i++)
$str.=", ".postgre_escape($el[$i]);
$str.=") as \"$el[1]\"";
$sql_select[]=$str;
}
$sql_select="\n ".implode(",\n ", $sql_select);
$sql_join="\n ".implode("\n ", $sql_join);
$sql ="";
$sql.="/* {$id}.mapnik: s!scale_denominator!, {$importance} */ ";
$sql.="(select{$sql_select} from ($sql_tables) as t{$sql_join}) as u";
if(in_array($table, array("polygon"))) {
$layer=mapnik_get_layer($dom, "{$id}_{$importance}_{$table}_shape", $sql, "polygon");
$map_layers['polygon_shape'][$importance][]=$style_shape;
$map_layers['polygon_shape'][$importance][]=$layer;
}
if(in_array($table, array("point", "polygon", "point_extract"))) {
$layer=mapnik_get_layer($dom, "{$id}_{$importance}_{$table}_icon", $sql, "point");
$map_layers['point_icon'][$importance][]=$style_icon;
$map_layers['point_icon'][$importance][]=$layer;
$layer=mapnik_get_layer($dom, "{$id}_{$importance}_{$table}_text", $sql, "point");
$map_layers['point_text'][$importance][]=$style_text;
$map_layers['point_text'][$importance][]=$layer;
}
else {
$layer=mapnik_get_layer($dom, "{$id}_{$importance}_{$table}_shape", $sql, "line");
$map_layers['line_shape'][$importance][]=$style_shape;
$map_layers['line_shape'][$importance][]=$layer;
$layer=mapnik_get_layer($dom, "{$id}_{$importance}_{$table}_text", $sql, "line");
$map_layers['line_text'][$importance][]=$style_text;
$map_layers['line_text'][$importance][]=$layer;
$layer=mapnik_get_layer($dom, "{$id}_{$importance}_{$table}_icon", $sql, "line");
$map_layers['line_icon'][$importance][]=$style_icon;
$map_layers['line_icon'][$importance][]=$layer;
}
}
}
foreach($layers as $layer=>$layer_desc) {
array_deep_copy($importance_levels, $importance_list);
if($layer_desc[0]=="reverse")
$importance_list=array_reverse($importance_list);
for($i=0; $i<sizeof($importance_list); $i++) {
if(isset($map_layers[$layer]))
if(isset($map_layers[$layer][$importance_list[$i]]))
foreach($map_layers[$layer][$importance_list[$i]] as $el)
$map->appendChild($el);
}
}
return $dom->saveXML();
}
