mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-10-27 11:42:46 +03:00
simplify geometry handling in details page
Hand the WKT directly to OpenLayers and let the client do the parsing, it will be able to handle multipolygons as well as line strings. Simplify geometries if they have too many points. Also limit the number of child objects listed to 500.
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parent
df3202017e
commit
4bb56d98a8
@ -73,23 +73,27 @@ body {
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};
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};
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var proj_EPSG4326 = new OpenLayers.Projection("EPSG:4326");
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var proj_EPSG4326 = new OpenLayers.Projection("EPSG:4326");
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var proj_map = map.getProjectionObject();
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var proj_map = map.getProjectionObject();
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var latlon;
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<?php
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if (isset($aPolyPoints))
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{
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foreach($aPolyPoints as $aPolyPoint)
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{
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echo " pointList.push(new OpenLayers.Geometry.Point(".$aPolyPoint[1].",".$aPolyPoint[2]."));\n";
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}
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}
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?>
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var linearRing = new OpenLayers.Geometry.LinearRing(pointList).transform(proj_EPSG4326, proj_map);;
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var polygonFeature = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Polygon([linearRing]),null,style);
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vectorLayer.addFeatures([polygonFeature]);
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map.zoomToExtent(new OpenLayers.Bounds(<?php echo $aPointPolygon['minlon']?>, <?php echo $aPointPolygon['minlat']?>, <?php echo $aPointPolygon['maxlon']?>, <?php echo $aPointPolygon['maxlat']?>).transform(proj_EPSG4326, proj_map));
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freader = new OpenLayers.Format.WKT({
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}
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'internalProjection': proj_map,
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'externalProjection': proj_EPSG4326
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});
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var feature = freader.read('<?php echo $aPointDetails['outlinestring'];?>');
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if (feature) {
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map.zoomToExtent(feature.geometry.getBounds());
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feature.style = {
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strokeColor: "#75ADFF",
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fillColor: "#F0F7FF",
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strokeWidth: <?php echo ($aPointDetails['isarea']=='t'?'2':'5');?>,
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strokeOpacity: 0.75,
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fillOpacity: 0.75,
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pointRadius: 100
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};
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vectorLayer.addFeatures([feature]);
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}
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}
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</script>
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</script>
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</head>
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</head>
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<body onload="init();">
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<body onload="init();">
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@ -147,7 +151,7 @@ if (isset($aPolyPoints))
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echo '<span class="type"><span class="label">Type: </span>'.$aAddressLine['class'].':'.$aAddressLine['type'].'</span>';
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echo '<span class="type"><span class="label">Type: </span>'.$aAddressLine['class'].':'.$aAddressLine['type'].'</span>';
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if ($sOSMType) echo ', <span class="osm"><span class="label"></span>'.$sOSMType.' <a href="http://www.openstreetmap.org/browse/'.$sOSMType.'/'.$aAddressLine['osm_id'].'">'.$aAddressLine['osm_id'].'</a></span>';
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if ($sOSMType) echo ', <span class="osm"><span class="label"></span>'.$sOSMType.' <a href="http://www.openstreetmap.org/browse/'.$sOSMType.'/'.$aAddressLine['osm_id'].'">'.$aAddressLine['osm_id'].'</a></span>';
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echo ', <span class="adminlevel">'.$aAddressLine['admin_level'].'</span>';
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echo ', <span class="adminlevel">'.$aAddressLine['admin_level'].'</span>';
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echo ', <span class="rankaddress">'.$aAddressLine['rank_search_label'].'</span>';
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if (isset($aAddressLine['rank_search_label']) echo ', <span class="rankaddress">'.$aAddressLine['rank_search_label'].'</span>';
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// echo ', <span class="area">'.($aAddressLine['fromarea']=='t'?'Polygon':'Point').'</span>';
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// echo ', <span class="area">'.($aAddressLine['fromarea']=='t'?'Polygon':'Point').'</span>';
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echo ', <span class="distance">'.$aAddressLine['distance'].'</span>';
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echo ', <span class="distance">'.$aAddressLine['distance'].'</span>';
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echo ' <a href="details.php?place_id='.$aAddressLine['place_id'].'">GOTO</a>';
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echo ' <a href="details.php?place_id='.$aAddressLine['place_id'].'">GOTO</a>';
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@ -231,6 +235,9 @@ if (isset($aPolyPoints))
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echo '</div>';
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echo '</div>';
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}
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}
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}
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}
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if (sizeof($aParentOfLines) >= 500) {
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echo '<p>There are more child objects which are not shown.</p>';
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}
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echo '</div>';
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echo '</div>';
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}
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}
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@ -60,7 +60,8 @@
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// Get the details for this point
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// Get the details for this point
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$sSQL = "select place_id, osm_type, osm_id, class, type, name, admin_level, housenumber, street, isin, postcode, country_code, importance, wikipedia,";
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$sSQL = "select place_id, osm_type, osm_id, class, type, name, admin_level, housenumber, street, isin, postcode, country_code, importance, wikipedia,";
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$sSQL .= " parent_place_id, rank_address, rank_search, get_searchrank_label(rank_search) as rank_search_label, get_name_by_language(name,$sLanguagePrefArraySQL) as localname, ";
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$sSQL .= " parent_place_id, rank_address, rank_search, get_searchrank_label(rank_search) as rank_search_label, get_name_by_language(name,$sLanguagePrefArraySQL) as localname, ";
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$sSQL .= " ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') as isarea,ST_GeometryType(geometry) as geotype, ST_Y(ST_Centroid(geometry)) as lat,ST_X(ST_Centroid(geometry)) as lon ";
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$sSQL .= " ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') as isarea, ";
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$sSQL .= " ST_AsText(CASE WHEN ST_NPoints(geometry) > 5000 THEN ST_SimplifyPreserveTopology(geometry, 0.0001) ELSE geometry END) as outlinestring";
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$sSQL .= " from placex where place_id = $iPlaceID";
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$sSQL .= " from placex where place_id = $iPlaceID";
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$aPointDetails = $oDB->getRow($sSQL);
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$aPointDetails = $oDB->getRow($sSQL);
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if (PEAR::IsError($aPointDetails))
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if (PEAR::IsError($aPointDetails))
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@ -69,9 +70,6 @@
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}
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}
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$aPointDetails['localname'] = $aPointDetails['localname']?$aPointDetails['localname']:$aPointDetails['housenumber'];
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$aPointDetails['localname'] = $aPointDetails['localname']?$aPointDetails['localname']:$aPointDetails['housenumber'];
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$fLon = $aPointDetails['lon'];
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$fLat = $aPointDetails['lat'];
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$iZoom = 14;
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$aClassType = getClassTypesWithImportance();
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$aClassType = getClassTypesWithImportance();
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$aPointDetails['icon'] = $aClassType[$aPointDetails['class'].':'.$aPointDetails['type']]['icon'];
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$aPointDetails['icon'] = $aClassType[$aPointDetails['class'].':'.$aPointDetails['type']]['icon'];
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@ -84,43 +82,6 @@
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$sSQL = "select (each(extratags)).key,(each(extratags)).value from placex where place_id = $iPlaceID order by (each(extratags)).key";
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$sSQL = "select (each(extratags)).key,(each(extratags)).value from placex where place_id = $iPlaceID order by (each(extratags)).key";
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$aPointDetails['aExtraTags'] = $oDB->getAssoc($sSQL);
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$aPointDetails['aExtraTags'] = $oDB->getAssoc($sSQL);
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// Get the bounding box and outline polygon
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$sSQL = "select ST_AsText(geometry) as outlinestring,";
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$sSQL .= "ST_YMin(geometry) as minlat,ST_YMax(geometry) as maxlat,";
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$sSQL .= "ST_XMin(geometry) as minlon,ST_XMax(geometry) as maxlon";
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$sSQL .= " from placex where place_id = $iPlaceID";
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$aPointPolygon = $oDB->getRow($sSQL);
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IF (PEAR::IsError($aPointPolygon))
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{
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failInternalError("Could not get bounding box of place object.", $sSQL, $aPointPolygon);
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}
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if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
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{
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preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
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}
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elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
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{
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// TODO: this just takes the first ring
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preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
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}
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elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['outlinestring'],$aMatch))
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{
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$fRadius = 0.01;
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if ($aPointDetails['rank_search'] > 20) $fRadius = 0.0001;
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$iSteps = min(max(($fRadius * 40000)^2,16),100);
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$fStepSize = (2*pi())/$iSteps;
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$aPolyPoints = array();
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for($f = 0; $f < 2*pi(); $f += $fStepSize)
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{
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$aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
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}
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$aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
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$aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
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$aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
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$aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
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}
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// Address
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// Address
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$aAddressLines = getAddressDetails($oDB, $sLanguagePrefArraySQL, $iPlaceID, $aPointDetails['country_code'], true);
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$aAddressLines = getAddressDetails($oDB, $sLanguagePrefArraySQL, $iPlaceID, $aPointDetails['country_code'], true);
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@ -133,11 +94,12 @@
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$aLinkedLines = $oDB->getAll($sSQL);
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$aLinkedLines = $oDB->getAll($sSQL);
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// All places this is an imediate parent of
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// All places this is an imediate parent of
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$sSQL = "select placex.place_id, osm_type, osm_id, class, type, housenumber, admin_level, rank_address, ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') as isarea, st_distance(geometry, placegeometry) as distance, ";
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$sSQL = "select obj.place_id, osm_type, osm_id, class, type, housenumber, admin_level, rank_address, ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') as isarea, st_distance(geometry, placegeometry) as distance, ";
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$sSQL .= " get_name_by_language(name,$sLanguagePrefArraySQL) as localname, length(name::text) as namelength ";
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$sSQL .= " get_name_by_language(name,$sLanguagePrefArraySQL) as localname, length(name::text) as namelength ";
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$sSQL .= " from placex, (select geometry as placegeometry from placex where place_id = $iPlaceID) as x";
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$sSQL .= " from (select placex.place_id, osm_type, osm_id, class, type, housenumber, admin_level, rank_address, rank_search, geometry, name from placex ";
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$sSQL .= " where parent_place_id = $iPlaceID";
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$sSQL .= " where parent_place_id = $iPlaceID order by rank_address asc,rank_search asc limit 500) as obj,";
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$sSQL .= " order by rank_address asc,rank_search asc,get_name_by_language(name,$sLanguagePrefArraySQL),housenumber";
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$sSQL .= " (select geometry as placegeometry from placex where place_id = $iPlaceID) as x";
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$sSQL .= " order by rank_address asc,rank_search asc,localname,housenumber";
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$aParentOfLines = $oDB->getAll($sSQL);
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$aParentOfLines = $oDB->getAll($sSQL);
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$aPlaceSearchNameKeywords = false;
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$aPlaceSearchNameKeywords = false;
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