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[core, ios] replace altitude with fov

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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`
This commit is contained in:
Ansis Brammanis
2016-12-14 15:17:01 -08:00
committed by John Firebaugh
parent ebd241363d
commit 38b5cb0c77
13 changed files with 49 additions and 36 deletions
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14
test/map/transform.test.cpp
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@@ -362,7 +362,7 @@ TEST(Transform, Padding) {
const LatLng shiftedCenter = transform.getLatLng(padding);
ASSERT_NE(trueCenter.latitude, shiftedCenter.latitude);
ASSERT_DOUBLE_EQ(trueCenter.longitude, shiftedCenter.longitude);
ASSERT_NEAR(trueCenter.longitude, shiftedCenter.longitude, 1e-9);
ASSERT_DOUBLE_EQ(manualShiftedCenter.latitude, shiftedCenter.latitude);
ASSERT_DOUBLE_EQ(manualShiftedCenter.longitude, shiftedCenter.longitude);
}
@@ -401,12 +401,12 @@ TEST(Transform, Antimeridian) {
const LatLng coordinateSanFrancisco { 37.7833, -122.4167 };
ScreenCoordinate pixelSF = transform.latLngToScreenCoordinate(coordinateSanFrancisco);
ASSERT_DOUBLE_EQ(151.79409149185352, pixelSF.x);
ASSERT_DOUBLE_EQ(383.76774094913071, pixelSF.y);
ASSERT_NEAR(151.79409149185352, pixelSF.x, 1e-2);
ASSERT_NEAR(383.76774094913071, pixelSF.y, 1e-2);
transform.setLatLng({ 0, -181 });
ScreenCoordinate pixelSFBackwards = transform.latLngToScreenCoordinate(coordinateSanFrancisco);
ASSERT_DOUBLE_EQ(666.63617954008976, pixelSFBackwards.x);
ASSERT_NEAR(666.63617954008976, pixelSFBackwards.x, 1e-2);
ASSERT_DOUBLE_EQ(pixelSF.y, pixelSFBackwards.y);
transform.setLatLng({ 0, 179 });
@@ -417,12 +417,12 @@ TEST(Transform, Antimeridian) {
const LatLng coordinateWaikiri{ -16.9310, 179.9787 };
transform.setLatLngZoom(coordinateWaikiri, 10);
ScreenCoordinate pixelWaikiri = transform.latLngToScreenCoordinate(coordinateWaikiri);
ASSERT_DOUBLE_EQ(500.00000000007759, pixelWaikiri.x);
ASSERT_DOUBLE_EQ(500, pixelWaikiri.y);
ASSERT_NEAR(500, pixelWaikiri.x, 1e-2);
ASSERT_NEAR(500, pixelWaikiri.y, 1e-2);
transform.setLatLng({ coordinateWaikiri.latitude, 180.0213 });
ScreenCoordinate pixelWaikiriForwards = transform.latLngToScreenCoordinate(coordinateWaikiri);
ASSERT_DOUBLE_EQ(437.95953728819512, pixelWaikiriForwards.x);
ASSERT_NEAR(437.95953728819512, pixelWaikiriForwards.x, 1e-2);
ASSERT_DOUBLE_EQ(pixelWaikiri.y, pixelWaikiriForwards.y);
LatLng coordinateFromPixel = transform.screenCoordinateToLatLng(pixelWaikiriForwards);
ASSERT_NEAR(coordinateWaikiri.latitude, coordinateFromPixel.latitude, 0.000001);