/**
* Builds a coordinate system transform from the class definition's coordinate system to the target
* coordinate system indicated by the given coordinate system code
*/
public static function GetTransform($featSvc, $resId, $schemaName, $className, $transformto, $bInvert = false)
{
$transform = null;
$factory = new MgCoordinateSystemFactory();
$targetWkt = $factory->ConvertCoordinateSystemCodeToWkt($transformto);
$clsDef = $featSvc->GetClassDefinition($resId, $schemaName, $className);
//Has a designated geometry property, use it's spatial context
if ($clsDef->GetDefaultGeometryPropertyName() !== "") {
$props = $clsDef->GetProperties();
$idx = $props->IndexOf($clsDef->GetDefaultGeometryPropertyName());
if ($idx >= 0) {
$geomProp = $props->GetItem($idx);
$scName = $geomProp->GetSpatialContextAssociation();
$scReader = $featSvc->GetSpatialContexts($resId, false);
while ($scReader->ReadNext()) {
if ($scReader->GetName() === $scName) {
if ($scReader->GetCoordinateSystemWkt() !== $targetWkt) {
$targetCs = $factory->CreateFromCode($transformto);
$sourceCs = $factory->Create($scReader->GetCoordinateSystemWkt());
if ($bInvert) {
$transform = $factory->GetTransform($targetCs, $sourceCs);
} else {
$transform = $factory->GetTransform($sourceCs, $targetCs);
}
break;
}
}
}
$scReader->Close();
}
}
return $transform;
}
$csFactory = new MgCoordinateSystemFactory();
$csCategories = $csFactory->EnumerateCategories();
for ($k = 0; $k < $csCategories->GetCount(); $k++) {
$category = $csCategories->GetItem($k);
echo ">>> Fetching CS-Map coordinate systems: {$category} <<<\n";
$csCodes = $csFactory->EnumerateCoordinateSystems($category);
$mapped = 0;
$grandTotal += $csCodes->GetCount();
for ($i = 0; $i < $csCodes->GetCount(); $i++) {
$csProps = $csCodes->GetItem($i);
for ($j = 0; $j < $csProps->GetCount(); $j++) {
$prop = $csProps->GetItem($j);
if (strcmp(strtolower($prop->GetName()), "code") == 0) {
try {
$csCode = $prop->GetValue();
$csWkt = $csFactory->ConvertCoordinateSystemCodeToWkt($csCode);
if (strlen(trim($csWkt)) == 0) {
echo "Skipping {$csCode}: Empty WKT\n";
continue;
}
$epsg = $csFactory->ConvertWktToEpsgCode($csWkt);
if ($epsg <= 0) {
echo "Skipping {$csCode}: Invalid EPSG code - {$epsg}\n";
continue;
}
if ($epsg == 3785 || $epsg == 4269 || $epsg == 4326 || $epsg == 102113 || $epsg == 900913 || $epsg == 3857) {
echo "Skipping {$csCode}: EPSG code already defined by Proj4js - {$epsg}\n";
continue;
}
try {
$proj4 = get_proj4_string($epsg);
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<body>
<?php
include "initwebtier.php";
$code = "";
$wkt = "";
$errorMsg = "";
$status = "";
try {
echo "<b>Coordinate System API: ConvertCoordinateSystemCodeToWkt</b><br><br>";
$factory = new MgCoordinateSystemFactory();
$code = $_GET['CODE'];
$wkt = $factory->ConvertCoordinateSystemCodeToWkt($code);
$status = "Pass";
} catch (MgException $e) {
$errorMsg = $e->GetExceptionMessage();
$status = "Fail";
} catch (Exception $e) {
$errorMsg = $e->getMessage();
$status = "Fail";
}
echo "<b>Code:</b><br>";
echo "{$code}<br><br>";
echo "<b>OGC WKT:</b><br>";
echo "{$wkt}<br><br>";
echo "<b>Status:</b><br>";
echo "{$status}<br><br>";
if ($errorMsg != "") {
echo "<b>Error:</b><br>";
echo $errorMsg;
public function ConvertCsCodeToWkt($cscode, $format)
{
//Check for unsupported representations
$fmt = $this->ValidateRepresentation($format, array("xml", "json"));
$factory = new MgCoordinateSystemFactory();
$wkt = $factory->ConvertCoordinateSystemCodeToWkt($cscode);
$body = MgBoxedValue::String($wkt, $fmt);
if ($fmt == "xml") {
$this->app->response->header("Content-Type", MgMimeType::Xml);
} else {
$this->app->response->header("Content-Type", MgMimeType::Json);
}
$this->app->response->setBody($body);
}
