File indexing completed on 2022-10-04 14:00:20

0001 // SPDX-License-Identifier: LGPL-2.1-or-later
0002 //
0003 // SPDX-FileCopyrightText: 2014 Bernhard Beschow <bbeschow@cs.tu-berlin.de>
0004 //
0005 
0006 #include "StereographicProjection.h"
0007 #include "ViewportParams.h"
0008 #include "TestUtils.h"
0009 #include <QDebug>
0010 
0011 namespace Marble
0012 {
0013 
0014 class StereographicProjectionTest : public QObject
0015 {
0016     Q_OBJECT
0017 
0018 private Q_SLOTS:
0019     void screenCoordinatesOfCenter_data();
0020     void screenCoordinatesOfCenter();
0021 };
0022 
0023 void StereographicProjectionTest::screenCoordinatesOfCenter_data()
0024 {
0025     ViewportParams stereographic;
0026     stereographic.setProjection( Stereographic );
0027 
0028     QTest::addColumn<QPoint>( "screenCoordinates" );
0029     QTest::addColumn<GeoDataCoordinates>( "expected" );
0030 
0031     addRow() << QPoint( 5, 15 ) << GeoDataCoordinates( -45, 72.1397, 0, GeoDataCoordinates::Degree );
0032     addRow() << QPoint( 15, 5 ) << GeoDataCoordinates( 135, 72.1397, 0, GeoDataCoordinates::Degree );
0033 }
0034 
0035 void StereographicProjectionTest::screenCoordinatesOfCenter()
0036 {
0037     QFETCH( QPoint, screenCoordinates );
0038     QFETCH( GeoDataCoordinates, expected );
0039 
0040     ViewportParams viewport;
0041     viewport.setProjection( Stereographic );
0042     viewport.setRadius( 180 / 4 ); // for easy mapping of lon <-> x
0043     viewport.setSize( QSize( 20, 20 ) );
0044     viewport.centerOn( 0 * DEG2RAD, 90 * DEG2RAD );
0045 
0046     {
0047         qreal lon, lat;
0048         const bool retval = viewport.geoCoordinates( screenCoordinates.x(), screenCoordinates.y(), lon, lat, GeoDataCoordinates::Degree );
0049 
0050         QVERIFY( retval ); // we want valid coordinates
0051         QFUZZYCOMPARE( lon, expected.longitude( GeoDataCoordinates::Degree ), 0.0001  );
0052         QFUZZYCOMPARE( lat, expected.latitude( GeoDataCoordinates::Degree ), 0.0001  );
0053     }
0054 }
0055 
0056 }
0057 
0058 QTEST_MAIN( Marble::StereographicProjectionTest )
0059 
0060 #include "StereographicProjectionTest.moc"