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/*
SPDX-FileCopyrightText: 2016 Friedrich W. H. Kossebau <kossebau@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "TestUtils.h"
#include <GeoDataLatLonBox.h>
#include <GeoSceneEquirectTileProjection.h>
#include <GeoSceneMercatorTileProjection.h>
#include <TileId.h>
namespace Marble
{
class TileProjectionTest : public QObject
{
Q_OBJECT
private Q_SLOTS:
void testTypeEquirect();
void testTypeMercator();
void testLevelZeroColumnsRowsEquirect();
void testLevelZeroColumnsRowsMercator();
void testTileIndexesEquirect_data();
void testTileIndexesEquirect();
void testTileIndexesMercator_data();
void testTileIndexesMercator();
void testGeoCoordinatesEquirect_data();
void testGeoCoordinatesEquirect();
void testGeoCoordinatesMercator_data();
void testGeoCoordinatesMercator();
private:
void testLevelZeroColumnsRows(GeoSceneAbstractTileProjection &projection);
};
void TileProjectionTest::testLevelZeroColumnsRows(GeoSceneAbstractTileProjection &projection)
{
// test default
QCOMPARE(projection.levelZeroColumns(), 1);
QCOMPARE(projection.levelZeroRows(), 1);
// test setting a different value
const int levelZeroColumns = 4;
const int levelZeroRows = 6;
projection.setLevelZeroColumns(levelZeroColumns);
projection.setLevelZeroRows(levelZeroRows);
QCOMPARE(projection.levelZeroColumns(), levelZeroColumns);
QCOMPARE(projection.levelZeroRows(), levelZeroRows);
}
void TileProjectionTest::testLevelZeroColumnsRowsEquirect()
{
GeoSceneEquirectTileProjection projection;
testLevelZeroColumnsRows(projection);
}
void TileProjectionTest::testLevelZeroColumnsRowsMercator()
{
GeoSceneMercatorTileProjection projection;
testLevelZeroColumnsRows(projection);
}
void TileProjectionTest::testTypeEquirect()
{
GeoSceneEquirectTileProjection projection;
QCOMPARE(projection.type(), GeoSceneAbstractTileProjection::Equirectangular);
}
void TileProjectionTest::testTypeMercator()
{
GeoSceneMercatorTileProjection projection;
QCOMPARE(projection.type(), GeoSceneAbstractTileProjection::Mercator);
}
void TileProjectionTest::testTileIndexesEquirect_data()
{
QTest::addColumn<qreal>("westLon");
QTest::addColumn<qreal>("northLat");
QTest::addColumn<qreal>("eastLon");
QTest::addColumn<qreal>("southLat");
QTest::addColumn<int>("zoomLevel");
QTest::addColumn<int>("expectedTileXWest");
QTest::addColumn<int>("expectedTileYNorth");
QTest::addColumn<int>("expectedTileXEast");
QTest::addColumn<int>("expectedTileYSouth");
// zoomlevel zero: 1 tile
// bounds matching the tile map
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(+M_PI) << qreal(-M_PI * 0.5) << 0 << 0 << 0 << 0 << 0;
// bounds inside the 1 tile
addRow() << qreal(-M_PI * 0.5) << qreal(+M_PI * 0.25) << qreal(+M_PI * 0.5) << qreal(-M_PI * 0.25) << 0 << 0 << 0 << 0 << 0;
// bounds west and north on tile map borders, with normal border values
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(+M_PI * 0.5) << qreal(-M_PI * 0.25) << 0 << 0 << 0 << 0 << 0;
// bounds west and north on tile map borders, with border values from other map border sides
addRow() << qreal(+M_PI) << qreal(-M_PI * 0.5) << qreal(+M_PI * 0.5) << qreal(-M_PI * 0.25) << 0 << 0 << 0 << 0 << 0;
// zoomlevel 1: 2 tiles per dimension
// bounds matching the tile map
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(+M_PI) << qreal(-M_PI * 0.5) << 1 << 0 << 0 << 1 << 1;
// bounds inside the 4 tiles
addRow() << qreal(-M_PI * 0.5) << qreal(+M_PI * 0.25) << qreal(+M_PI * 0.5) << qreal(-M_PI * 0.25) << 1 << 0 << 0 << 1 << 1;
// bounds matching the most north-west tile, with normal border values
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(0) << qreal(0) << 1 << 0 << 0 << 0 << 0;
// bounds matching the most north-west tile, with border values from other map border sides
addRow() << qreal(+M_PI) << qreal(-M_PI * 0.5) << qreal(0) << qreal(0) << 1 << 0 << 0 << 0 << 0;
// bounds matching the most south-east tile, with normal border values
addRow() << qreal(0) << qreal(0) << qreal(+M_PI) << qreal(-M_PI * 0.5) << 1 << 1 << 1 << 1 << 1;
// bounds matching the most south-east tile, with border values from other map border sides
addRow() << qreal(0) << qreal(0) << qreal(-M_PI) << qreal(+M_PI * 0.5) << 1 << 1 << 1 << 1 << 1;
// zoomlevel 9: 2^8==512 tiles per dimension
// bounds matching the tile map
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(+M_PI) << qreal(-M_PI * 0.5) << 9 << 0 << 0 << 511 << 511;
// bounds inside the outer tiles
addRow() << qreal(-M_PI * (511 / 512.0)) << qreal(+M_PI * 0.5 * (511 / 512.0)) << qreal(+M_PI * (511 / 512.0)) << qreal(-M_PI * 0.5 * (511 / 512.0)) << 9
<< 0 << 0 << 511 << 511;
// bounds matching the most north-west tile, with normal border values
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(-M_PI * (255 / 256.0)) << qreal(+M_PI * 0.5 * (255 / 256.0)) << 9 << 0 << 0 << 0 << 0;
// bounds matching the most north-west tile, with border values from other map border sides
addRow() << qreal(+M_PI) << qreal(-M_PI * 0.5) << qreal(-M_PI * (255 / 256.0)) << qreal(+M_PI * 0.5 * (255 / 256.0)) << 9 << 0 << 0 << 0 << 0;
// bounds matching the most south-east tile, with normal border values
addRow() << qreal(+M_PI * (255 / 256.0)) << qreal(-M_PI * 0.5 * (255 / 256.0)) << qreal(+M_PI) << qreal(-M_PI * 0.5) << 9 << 511 << 511 << 511 << 511;
// bounds matching the most south-east tile, with border values from other map border sides
addRow() << qreal(+M_PI * (255 / 256.0)) << qreal(-M_PI * 0.5 * (255 / 256.0)) << qreal(-M_PI) << qreal(+M_PI * 0.5) << 9 << 511 << 511 << 511 << 511;
}
void TileProjectionTest::testTileIndexesEquirect()
{
QFETCH(qreal, westLon);
QFETCH(qreal, northLat);
QFETCH(qreal, eastLon);
QFETCH(qreal, southLat);
QFETCH(int, zoomLevel);
QFETCH(int, expectedTileXWest);
QFETCH(int, expectedTileYNorth);
QFETCH(int, expectedTileXEast);
QFETCH(int, expectedTileYSouth);
GeoDataLatLonBox latLonBox(northLat, southLat, eastLon, westLon);
const GeoSceneEquirectTileProjection projection;
const QRect rect = projection.tileIndexes(latLonBox, zoomLevel);
QCOMPARE(rect.left(), expectedTileXWest);
QCOMPARE(rect.top(), expectedTileYNorth);
QCOMPARE(rect.right(), expectedTileXEast);
QCOMPARE(rect.bottom(), expectedTileYSouth);
}
void TileProjectionTest::testTileIndexesMercator_data()
{
QTest::addColumn<qreal>("westLon");
QTest::addColumn<qreal>("northLat");
QTest::addColumn<qreal>("eastLon");
QTest::addColumn<qreal>("southLat");
QTest::addColumn<int>("zoomLevel");
QTest::addColumn<int>("expectedTileXWest");
QTest::addColumn<int>("expectedTileYNorth");
QTest::addColumn<int>("expectedTileXEast");
QTest::addColumn<int>("expectedTileYSouth");
// zoomlevel zero: 1 tile
// bounds matching the tile map up to 90 degree latitude
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(+M_PI) << qreal(-M_PI * 0.5) << 0 << 0 << 0 << 0 << 0;
// bounds matching the tile map with 85 degree latitude limit
addRow() << qreal(-M_PI) << qreal(85.0 * DEG2RAD) << qreal(+M_PI) << qreal(-85.0 * DEG2RAD) << 0 << 0 << 0 << 0 << 0;
// bounds inside the 1 tile
addRow() << qreal(-M_PI * 0.5) << qreal(+M_PI * 0.25) << qreal(+M_PI * 0.5) << qreal(-M_PI * 0.25) << 0 << 0 << 0 << 0 << 0;
// bounds west and north on tile map borders, with normal border values
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(+M_PI * 0.5) << qreal(-M_PI * 0.25) << 0 << 0 << 0 << 0 << 0;
// bounds west and north on tile map borders, with border values from other map border sides
addRow() << qreal(+M_PI) << qreal(-M_PI * 0.5) << qreal(+M_PI * 0.5) << qreal(-M_PI * 0.25) << 0 << 0 << 0 << 0 << 0;
// zoomlevel 1: 2 tiles per dimension
// bounds matching the tile map up to 90 degree latitude
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(+M_PI) << qreal(-M_PI * 0.5) << 1 << 0 << 0 << 1 << 1;
// bounds matching the tile map with 85 degree latitude limit
addRow() << qreal(-M_PI) << qreal(85.0 * DEG2RAD) << qreal(+M_PI) << qreal(-85.0 * DEG2RAD) << 1 << 0 << 0 << 1 << 1;
// bounds inside the 4 tiles
addRow() << qreal(-M_PI * 0.5) << qreal(+M_PI * 0.25) << qreal(+M_PI * 0.5) << qreal(-M_PI * 0.25) << 1 << 0 << 0 << 1 << 1;
// bounds matching the most north-west tile, with normal border values
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(0) << qreal(0) << 1 << 0 << 0 << 0 << 0;
// bounds matching the most north-west tile, with border values from other map border sides
addRow() << qreal(+M_PI) << qreal(-M_PI * 0.5) << qreal(0) << qreal(0) << 1 << 0 << 0 << 0 << 0;
// bounds matching the most south-east tile, with normal border values
addRow() << qreal(0) << qreal(0) << qreal(+M_PI) << qreal(-M_PI * 0.5) << 1 << 1 << 1 << 1 << 1;
// bounds matching the most south-east tile, with border values from other map border sides
addRow() << qreal(0) << qreal(0) << qreal(-M_PI) << qreal(+M_PI * 0.5) << 1 << 1 << 1 << 1 << 1;
// zoomlevel 9: 2^8==512 tiles per dimension
// GeoSceneMercatorTileProjection bounds latitude value at +/- 85.0 degree (so not at 85.05113),
// which results in some tiles missed at the outer sides.
// bounds matching the tile map up to 90 degree latitude
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(+M_PI) << qreal(-M_PI * 0.5) << 9 << 0 << 5 << 511 << 506;
// bounds matching the tile map with 85 degree latitude limit
addRow() << qreal(-M_PI) << qreal(85.0 * DEG2RAD) << qreal(+M_PI) << qreal(-85.0 * DEG2RAD) << 9 << 0 << 5 << 511 << 506;
// bounds inside the outer tiles
addRow() << qreal(-M_PI * (511 / 512.0)) << qreal(+M_PI * 0.5 * (511 / 512.0)) << qreal(+M_PI * (511 / 512.0)) << qreal(-M_PI * 0.5 * (511 / 512.0)) << 9
<< 0 << 5 << 511 << 506;
// bounds matching the most north-west tile, with normal border values
addRow() << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(-M_PI * (255 / 256.0)) << qreal(+M_PI * 0.5 * (255 / 256.0)) << 9 << 0 << 5 << 0 << 5;
// bounds matching the most north-west tile, with border values from other map border sides
addRow() << qreal(+M_PI) << qreal(-M_PI * 0.5) << qreal(-M_PI * (255 / 256.0)) << qreal(+M_PI * 0.5 * (255 / 256.0)) << 9 << 0 << 5 << 0 << 5;
// bounds matching the most south-east tile, with normal border values
addRow() << qreal(+M_PI * (255 / 256.0)) << qreal(-M_PI * 0.5 * (255 / 256.0)) << qreal(+M_PI) << qreal(-M_PI * 0.5) << 9 << 511 << 506 << 511 << 506;
// bounds matching the most south-east tile, with border values from other map border sides
addRow() << qreal(+M_PI * (255 / 256.0)) << qreal(-M_PI * 0.5 * (255 / 256.0)) << qreal(-M_PI) << qreal(+M_PI * 0.5) << 9 << 511 << 506 << 511 << 506;
}
void TileProjectionTest::testTileIndexesMercator()
{
QFETCH(qreal, westLon);
QFETCH(qreal, northLat);
QFETCH(qreal, eastLon);
QFETCH(qreal, southLat);
QFETCH(int, zoomLevel);
QFETCH(int, expectedTileXWest);
QFETCH(int, expectedTileYNorth);
QFETCH(int, expectedTileXEast);
QFETCH(int, expectedTileYSouth);
GeoDataLatLonBox latLonBox(northLat, southLat, eastLon, westLon);
const GeoSceneMercatorTileProjection projection;
const QRect rect = projection.tileIndexes(latLonBox, zoomLevel);
QCOMPARE(rect.left(), expectedTileXWest);
QCOMPARE(rect.top(), expectedTileYNorth);
QCOMPARE(rect.right(), expectedTileXEast);
QCOMPARE(rect.bottom(), expectedTileYSouth);
}
void TileProjectionTest::testGeoCoordinatesEquirect_data()
{
QTest::addColumn<int>("tileX");
QTest::addColumn<int>("tileY");
QTest::addColumn<int>("zoomLevel");
QTest::addColumn<qreal>("expectedWesternTileEdgeLon");
QTest::addColumn<qreal>("expectedNorthernTileEdgeLat");
QTest::addColumn<qreal>("expectedEasternTileEdgeLon");
QTest::addColumn<qreal>("expectedSouthernTileEdgeLat");
// zoomlevel zero: 1 tile
addRow() << 0 << 0 << 0 << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(+M_PI) << qreal(-M_PI * 0.5);
// zoomlevel 1: 2 tiles per dimension
addRow() << 0 << 0 << 1 << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(0) << qreal(0);
addRow() << 0 << 1 << 1 << qreal(-M_PI) << qreal(0) << qreal(0) << qreal(-M_PI * 0.5);
addRow() << 1 << 0 << 1 << qreal(0) << qreal(+M_PI * 0.5) << qreal(+M_PI) << qreal(0);
addRow() << 1 << 1 << 1 << qreal(0) << qreal(0) << qreal(+M_PI) << qreal(-M_PI * 0.5);
// zoomlevel 9: 2^8==512 tiles per dimension
addRow() << 0 << 0 << 9 << qreal(-M_PI) << qreal(+M_PI * 0.5) << qreal(-M_PI * (255 / 256.0)) << qreal(+M_PI * 0.5 * (255 / 256.0));
addRow() << 0 << 256 << 9 << qreal(-M_PI) << qreal(0) << qreal(-M_PI * (255 / 256.0)) << qreal(-M_PI * 0.5 * (1 / 256.0));
addRow() << 256 << 0 << 9 << qreal(0) << qreal(+M_PI * 0.5) << qreal(M_PI * (1 / 256.0)) << qreal(+M_PI * 0.5 * (255 / 256.0));
addRow() << 511 << 511 << 9 << qreal(M_PI * (255 / 256.0)) << qreal(-M_PI * 0.5 * (255 / 256.0)) << qreal(+M_PI) << qreal(-M_PI * 0.5);
}
void TileProjectionTest::testGeoCoordinatesEquirect()
{
QFETCH(int, tileX);
QFETCH(int, tileY);
QFETCH(int, zoomLevel);
QFETCH(qreal, expectedWesternTileEdgeLon);
QFETCH(qreal, expectedNorthernTileEdgeLat);
QFETCH(qreal, expectedEasternTileEdgeLon);
QFETCH(qreal, expectedSouthernTileEdgeLat);
const GeoSceneEquirectTileProjection projection;
// method variants with GeoDataLatLonBox
const GeoDataLatLonBox latLonBox = projection.geoCoordinates(zoomLevel, tileX, tileY);
QCOMPARE(latLonBox.west(), expectedWesternTileEdgeLon);
QCOMPARE(latLonBox.north(), expectedNorthernTileEdgeLat);
QCOMPARE(latLonBox.east(), expectedEasternTileEdgeLon);
QCOMPARE(latLonBox.south(), expectedSouthernTileEdgeLat);
TileId tileId(QStringLiteral("testmap"), zoomLevel, tileX, tileY);
const GeoDataLatLonBox latLonBox2 = projection.geoCoordinates(tileId);
QCOMPARE(latLonBox2.west(), expectedWesternTileEdgeLon);
QCOMPARE(latLonBox2.north(), expectedNorthernTileEdgeLat);
QCOMPARE(latLonBox2.east(), expectedEasternTileEdgeLon);
QCOMPARE(latLonBox2.south(), expectedSouthernTileEdgeLat);
}
void TileProjectionTest::testGeoCoordinatesMercator_data()
{
QTest::addColumn<int>("tileX");
QTest::addColumn<int>("tileY");
QTest::addColumn<int>("zoomLevel");
QTest::addColumn<qreal>("expectedWesternTileEdgeLon");
QTest::addColumn<qreal>("expectedNorthernTileEdgeLat");
QTest::addColumn<qreal>("expectedEasternTileEdgeLon");
QTest::addColumn<qreal>("expectedSouthernTileEdgeLat");
const qreal absMaxLat = DEG2RAD * 85.05113;
// zoomlevel zero: 1 tile
addRow() << 0 << 0 << 0 << qreal(-M_PI) << qreal(+absMaxLat) << qreal(+M_PI) << qreal(-absMaxLat);
// zoomlevel 1: 2 tiles per dimension
addRow() << 0 << 0 << 1 << qreal(-M_PI) << qreal(+absMaxLat) << qreal(0) << qreal(0);
addRow() << 0 << 1 << 1 << qreal(-M_PI) << qreal(0) << qreal(0) << qreal(-absMaxLat);
addRow() << 1 << 0 << 1 << qreal(0) << qreal(+absMaxLat) << qreal(+M_PI) << qreal(0);
addRow() << 1 << 1 << 1 << qreal(0) << qreal(0) << qreal(+M_PI) << qreal(-absMaxLat);
// zoomlevel 9: 2^8==512 tiles per dimension
addRow() << 0 << 0 << 9 << qreal(-M_PI) << qreal(+absMaxLat) << qreal(-M_PI * (255 / 256.0)) << qreal(+1.48336);
addRow() << 0 << 256 << 9 << qreal(-M_PI) << qreal(0) << qreal(-M_PI * (255 / 256.0)) << qreal(-0.0122715);
addRow() << 256 << 0 << 9 << qreal(0) << qreal(+absMaxLat) << qreal(M_PI * (1 / 256.0)) << qreal(+1.48336);
addRow() << 511 << 511 << 9 << qreal(M_PI * (255 / 256.0)) << qreal(-1.48336) << qreal(+M_PI) << qreal(-absMaxLat);
}
void TileProjectionTest::testGeoCoordinatesMercator()
{
QFETCH(int, tileX);
QFETCH(int, tileY);
QFETCH(int, zoomLevel);
QFETCH(qreal, expectedWesternTileEdgeLon);
QFETCH(qreal, expectedNorthernTileEdgeLat);
QFETCH(qreal, expectedEasternTileEdgeLon);
QFETCH(qreal, expectedSouthernTileEdgeLat);
const GeoSceneMercatorTileProjection projection;
// method variants with GeoDataLatLonBox
const GeoDataLatLonBox latLonBox = projection.geoCoordinates(zoomLevel, tileX, tileY);
QCOMPARE(latLonBox.west(), expectedWesternTileEdgeLon);
QFUZZYCOMPARE(latLonBox.north(), expectedNorthernTileEdgeLat, 0.00001);
QCOMPARE(latLonBox.east(), expectedEasternTileEdgeLon);
QFUZZYCOMPARE(latLonBox.south(), expectedSouthernTileEdgeLat, 0.00001);
TileId tileId(QStringLiteral("testmap"), zoomLevel, tileX, tileY);
const GeoDataLatLonBox latLonBox2 = projection.geoCoordinates(tileId);
QCOMPARE(latLonBox2.west(), expectedWesternTileEdgeLon);
QFUZZYCOMPARE(latLonBox2.north(), expectedNorthernTileEdgeLat, 0.00001);
QCOMPARE(latLonBox2.east(), expectedEasternTileEdgeLon);
QFUZZYCOMPARE(latLonBox2.south(), expectedSouthernTileEdgeLat, 0.00001);
}
} // namespace Marble
QTEST_MAIN(Marble::TileProjectionTest)
#include "TestTileProjection.moc"
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