protected function parameters()
{
switch ($this->action) {
case self::ACTION_PLACEMARKS:
$fields = $this->parser->getFieldKeys();
$params = array('text' => '%', 'inSR' => $this->parser->getProjection(), 'spatialRel' => 'esriSpatialRelIntersects', 'where' => '', 'returnGeometry' => 'true', 'outSR' => '', 'outFields' => implode(',', $fields), 'f' => 'json');
if ($this->useExtentGeometry) {
$extent = $this->parser->getExtent();
$bbox = $extent['xmin'] . ',' . $extent['ymin'] . ',' . $extent['xmax'] . ',' . $extent['ymax'];
$params['text'] = '';
$params['geometry'] = $bbox;
$params['geometryType'] = 'esriGeometryEnvelope';
}
if ($this->orderByFields) {
$params['where'] = 'OBJECTID>0';
$params['orderByFields'] = $this->orderByFields;
}
return $params;
case self::ACTION_SEARCH:
$displayField = null;
if (isset($this->selectedLayer)) {
$displayField = $this->parser->getDisplayFieldForFolder($this->selectedLayer);
}
if ($displayField) {
$searchText = strtoupper(str_replace("'", "''", $this->searchFilters['text']));
return array('where' => "UPPER({$displayField}) LIKE '%{$searchText}%'", 'f' => 'json');
} else {
return array('text' => str_replace("'", "''", $this->searchFilters['text']), 'f' => 'json');
}
case self::ACTION_SEARCH_NEARBY:
$bbox = normalizedBoundingBox($this->searchFilters['center'], $this->searchFilters['tolerance'], null, $this->parser->getProjection());
return array('spatialRel' => 'esriSpatialRelIntersects', 'geometryType' => 'esriGeometryEnvelope', 'geometry' => "{$bbox['min']['lon']},{$bbox['min']['lat']},{$bbox['max']['lon']},{$bbox['max']['lat']}", 'f' => 'json');
}
return parent::parameters();
}
public function searchByProximity($center, $tolerance, $maxItems = null)
{
$this->setupProjector();
$bbox = normalizedBoundingBox($center, $tolerance, null, null);
$results = array();
foreach ($this->getAllLeafNodes() as $item) {
$geometry = $item->getGeometry();
if ($geometry) {
$featureCenter = $geometry->getCenterCoordinate();
if ($this->projector) {
$featureCenter = $this->projector->projectPoint($featureCenter);
}
if ($featureCenter['lat'] <= $bbox['max']['lat'] && $featureCenter['lat'] >= $bbox['min']['lat'] && $featureCenter['lon'] <= $bbox['max']['lon'] && $featureCenter['lon'] >= $bbox['min']['lon']) {
$distance = greatCircleDistance($bbox['center']['lat'], $bbox['center']['lon'], $featureCenter['lat'], $featureCenter['lon']);
if ($distance > $tolerance) {
continue;
}
// keep keys unique; give priority to whatever came first
$intDist = intval($distance * 1000);
while (array_key_exists($intDist, $results)) {
$intDist += 1;
// one centimeter
}
$item->setField('distance', $distance);
$item->addCategoryId($this->categoryId);
$results[$intDist] = $this->getProjectedFeature($item);
}
}
}
return $results;
}
protected function parameters()
{
switch ($this->action) {
case self::ACTION_PLACEMARKS:
$fields = $this->parser->getFieldKeys();
$params = array('text' => '%', 'inSR' => $this->parser->getProjection(), 'spatialRel' => 'esriSpatialRelIntersects', 'where' => '1=1', 'orderByFields' => $this->parser->getDisplayFieldForFolder($this->selectedLayer), 'returnGeometry' => 'true', 'outSR' => '', 'outFields' => implode(',', $fields), 'f' => 'json');
if ($this->useExtentGeometry) {
$extent = $this->parser->getExtent();
$bbox = $extent['xmin'] . ',' . $extent['ymin'] . ',' . $extent['xmax'] . ',' . $extent['ymax'];
$params['text'] = '';
$params['geometry'] = $bbox;
$params['geometryType'] = 'esriGeometryEnvelope';
}
// If we have order fields, assume they are separated by commas
if ($this->orderByFields) {
$orderFields = array_map('trim', explode(',', $this->orderByFields));
// take intersection of configured sort fields and existing fields in layer
$validFields = array_intersect($orderFields, $fields);
// If we have at least one valid field, update the orderByFields to use the valid field(s)
if (!empty($validFields)) {
$params['orderByFields'] = implode(',', $validFields);
}
}
return $params;
case self::ACTION_SEARCH:
$displayField = null;
if (isset($this->selectedLayer)) {
$displayField = $this->parser->getDisplayFieldForFolder($this->selectedLayer);
}
if ($displayField) {
$searchText = strtoupper(str_replace("'", "''", $this->searchFilters['text']));
return array('where' => "UPPER({$displayField}) LIKE '%{$searchText}%'", 'f' => 'json');
} else {
return array('text' => str_replace("'", "''", $this->searchFilters['text']), 'f' => 'json');
}
case self::ACTION_SEARCH_NEARBY:
$bbox = normalizedBoundingBox($this->searchFilters['center'], $this->searchFilters['tolerance'], null, $this->parser->getProjection());
return array('spatialRel' => 'esriSpatialRelIntersects', 'geometryType' => 'esriGeometryEnvelope', 'geometry' => "{$bbox['min']['lon']},{$bbox['min']['lat']},{$bbox['max']['lon']},{$bbox['max']['lat']}", 'f' => 'json');
}
return parent::parameters();
}
public function searchByProximity($center, $tolerance = 1000, $maxItems = 0, $dataController = null)
{
$bbox = normalizedBoundingBox($center, $tolerance, null, null);
$params = array($bbox['min']['lat'], $bbox['max']['lat'], $bbox['min']['lon'], $bbox['max']['lon'], $bbox['center']['lat'], $bbox['center']['lat'], $bbox['center']['lon'], $bbox['center']['lon']);
$sql = 'SELECT p.*, pc.category_id FROM ' . MapDB::PLACEMARK_TABLE . ' p, ' . MapDB::PLACEMARK_CATEGORY_TABLE . ' pc' . ' WHERE p.placemark_id = pc.placemark_id' . ' AND p.lat = pc.lat AND p.lon = pc.lon' . ' AND p.lat >= ? AND p.lat < ? AND p.lon >= ? AND p.lon < ?' . ' ORDER BY (p.lat - ?)*(p.lat - ?) + (p.lon - ?)*(p.lon - ?)';
$this->getSearchResultsForQuery($sql, $params, $maxItems);
$resultsByDistance = array();
foreach ($this->searchResults as $result) {
$rCenter = $result->getGeometry()->getCenterCoordinate();
$distance = greatCircleDistance($center['lat'], $center['lon'], $rCenter['lat'], $rCenter['lon']);
$result->setField('distance', $distance);
// avoid distance collisions
while (isset($resultsByDistance[$distance])) {
$distance++;
}
$resultsByDistance[$distance] = $result;
}
ksort($resultsByDistance);
$this->searchResults = array_values($resultsByDistance);
return $this->searchResults;
}
public function searchByProximity($center, $tolerance, $maxItems = 0)
{
$bbox = normalizedBoundingBox($center, $tolerance);
$results = $this->filterPlacemarks($bbox);
return $results;
}