Subversion Repositories eFlore/Projets.eflore-projets

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Ignore whitespace Rev 1000 → Rev 1001

/trunk/scripts/modules/ifn/bibliotheque/proj4php/WSProj4PHP_1.0.php
New file
0,0 → 1,104
<?php
 
include_once("proj4php.php");
 
$error = false;
 
/**
* Geometry-Points
*/
if( isset( $_GET['GEOM'] ) ) {
list($x, $y) = explode( ' ', $_GET['GEOM'] );
} else {
if( isset( $_GET['x'] ) ) {
$x = $_GET['x'];
}
else
$error = true;
 
if( isset( $_GET['y'] ) ) {
$y = $_GET['y'];
}
else
$error = true;
}
 
/**
* Source-CRS
*/
if( isset( $_GET['SOURCECRS'] ) ) {
$srcProjection = str_replace( '::', ':', $_GET['SOURCECRS'] );
} else if( isset( $_GET['projectionxy'] ) ) {
$srcProjection = $_GET['projectionxy'];
$srcProjection = str_replace( '::', ':', $srcProjection );
}
else
$srcProjection = 'EPSG:2154';
 
/**
* Target-CRS
*/
if( isset( $_GET['TARGETCRS'] ) ) {
$tgtProjection = str_replace( '::', ':', $_GET['TARGETCRS'] );
} else if( isset( $_GET['projection'] ) ) {
$tgtProjection = $_GET['projection'];
$tgtProjection = str_replace( '::', ':', $tgtProjection );
}
else
$tgtProjection = 'EPSG:4326';
 
/**
* Format
*/
if( isset( $_GET['format'] ) ) {
$format = $_GET['format'];
if( !($format == 'xml' || $format == 'json') )
$error = true;
}
else
$format = 'xml';
 
 
$proj4 = new Proj4php();
$projsource = new Proj4phpProj( $srcProjection, $proj4 );
$projdest = new Proj4phpProj( $tgtProjection, $proj4 );
 
// check the projections
if( Proj4php::$defs[$srcProjection] == Proj4php::$defs['WGS84'] && $srcProjection != 'EPSG:4326' )
$error = true;
if( Proj4php::$defs[$tgtProjection] == Proj4php::$defs['WGS84'] && $tgtProjection != 'EPSG:4326' )
$error = true;
 
if( $error === true ) {
if( $format == 'json' ) {
echo "{\"status\":\"error\", \"erreur\": {\"code\": 2, \"message\": \"Wrong parameters.\"} }";
exit;
} else {
echo "<reponse>";
echo " <erreur>";
echo " <code>2</code>";
echo " <message>Wrong parameters</message>";
echo " </erreur>";
echo "</reponse>";
exit;
}
}
 
$pointSrc = new proj4phpPoint( $x, $y );
$pointDest = $proj4->transform( $projsource, $projdest, $pointSrc );
 
$tgtProjection = str_replace( ':', '::', $tgtProjection );
 
if( $format == 'json' ) {
echo "{\"status\" :\"success\", \"point\" : {\"x\":" . $pointDest->x . ", \"y\":" . $pointDest->y . ",\"projection\" :\"" . $tgtProjection . "\"}}";
exit;
} else {
header ("Content-Type:text/xml");
echo "<reponse>";
echo "<point>";
echo "<x>" . $pointDest->x . "</x>";
echo "<y>" . $pointDest->y . "</y>";
echo "<projection>" . $tgtProjection . "</projection>";
echo "</point>";
echo "</reponse>";
}