38b5cb0c77
ported from -js: eb6c6596c6a7a61363d30356674e0002153b1d19 `altitude` was a terribly-named variable that was used to indirectly control the fov. This should eliminate some confusion. `altitude` was equivalent to `cameraToCenterDistance / height`
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
#include <mbgl/util/tile_cover.hpp>
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#include <mbgl/util/geo.hpp>
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#include <mbgl/map/transform.hpp>
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#include <gtest/gtest.h>
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using namespace mbgl;
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TEST(TileCover, Empty) {
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EXPECT_EQ((std::vector<UnwrappedTileID>{}), util::tileCover(LatLngBounds::empty(), 0));
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}
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TEST(TileCover, Arctic) {
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EXPECT_EQ((std::vector<UnwrappedTileID>{}),
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util::tileCover(LatLngBounds::hull({ 86, -180 }, { 90, 180 }), 0));
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}
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TEST(TileCover, Antarctic) {
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EXPECT_EQ((std::vector<UnwrappedTileID>{}),
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util::tileCover(LatLngBounds::hull({ -86, -180 }, { -90, 180 }), 0));
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}
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TEST(TileCover, WorldZ0) {
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EXPECT_EQ((std::vector<UnwrappedTileID>{
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{ 0, 0, 0 },
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}),
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util::tileCover(LatLngBounds::world(), 0));
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}
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TEST(TileCover, Pitch) {
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Transform transform;
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transform.resize({ 512, 512 });
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// slightly offset center so that tile order is better defined
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transform.setLatLng({ 0.01, -0.01 });
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transform.setZoom(2);
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transform.setPitch(40.0 * M_PI / 180.0);
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EXPECT_EQ((std::vector<UnwrappedTileID>{
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{ 2, 1, 1 }, { 2, 1, 2 }, { 2, 2, 1 }, { 2, 2, 2 },
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}),
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util::tileCover(transform.getState(), 2));
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}
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TEST(TileCover, WorldZ1) {
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EXPECT_EQ((std::vector<UnwrappedTileID>{
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{ 1, 0, 0 }, { 1, 0, 1 }, { 1, 1, 0 }, { 1, 1, 1 },
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}),
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util::tileCover(LatLngBounds::world(), 1));
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}
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TEST(TileCover, SingletonZ0) {
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EXPECT_EQ((std::vector<UnwrappedTileID>{}),
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util::tileCover(LatLngBounds::singleton({ 0, 0 }), 0));
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}
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TEST(TileCover, SingletonZ1) {
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EXPECT_EQ((std::vector<UnwrappedTileID>{}),
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util::tileCover(LatLngBounds::singleton({ 0, 0 }), 1));
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}
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static const LatLngBounds sanFrancisco =
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LatLngBounds::hull({ 37.6609, -122.5744 }, { 37.8271, -122.3204 });
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TEST(TileCover, SanFranciscoZ0) {
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EXPECT_EQ((std::vector<UnwrappedTileID>{
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{ 0, 0, 0 },
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}),
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util::tileCover(sanFrancisco, 0));
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}
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TEST(TileCover, SanFranciscoZ10) {
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EXPECT_EQ((std::vector<UnwrappedTileID>{
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{ 10, 163, 395 }, { 10, 163, 396 }, { 10, 164, 395 }, { 10, 164, 396 },
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}),
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util::tileCover(sanFrancisco, 10));
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}
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static const LatLngBounds sanFranciscoWrapped =
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LatLngBounds::hull({ 37.6609, 238.5744 }, { 37.8271, 238.3204 });
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TEST(TileCover, SanFranciscoZ0Wrapped) {
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EXPECT_EQ((std::vector<UnwrappedTileID>{ { 0, 1, 0 } }),
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util::tileCover(sanFranciscoWrapped, 0));
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}
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