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https://github.com/OpenSpace/OpenSpace.git
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c275b2f833
* Rename OnScreenGui module to ImGui * Support multiple external module folders (closes #31) * Cleaning up CMake files * Restructure application specification * Add parameter for library mode to all modules * Add functions to handle global variable state * Misc/remove warnings (#383) * Increase build timeout and do a clean rebuild every commit
168 lines
5.8 KiB
C++
168 lines
5.8 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2017 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#include <modules/globebrowsing/geodetics/geodetic2.h>
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#define _USE_MATH_DEFINES
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#include <math.h>
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#include <glm/glm.hpp>
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class LatLonPatchTest : public testing::Test {};
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using namespace openspace;
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TEST_F(LatLonPatchTest, findCenterControlPoint) {
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GeodeticPatch patch(0, 0, M_PI / 4, M_PI / 4);
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}
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TEST_F(LatLonPatchTest, TestFindClosestCorner) {
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Scalar piOver4 = M_PI / 4;
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Geodetic2 halfSize(piOver4, piOver4);
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Geodetic2 center(0, 0);
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GeodeticPatch patch(center, halfSize);
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Scalar piOver3 = M_PI / 3;
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Geodetic2 point(piOver3, piOver3);
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Geodetic2 closestCorner = patch.closestCorner(point);
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Geodetic2 northEastCorner = patch.northEastCorner();
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ASSERT_EQ(closestCorner.lat, northEastCorner.lat);
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ASSERT_EQ(closestCorner.lon, northEastCorner.lon);
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}
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TEST_F(LatLonPatchTest, TestFindClosestCorner2) {
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Scalar piOver6 = M_PI / 4;
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Scalar piOver3 = M_PI / 3;
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Geodetic2 halfSize(1.1*piOver6, 1.1*piOver6);
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Geodetic2 center(piOver6, piOver6);
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GeodeticPatch patch(center, halfSize);
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Geodetic2 point(0, 0);
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Geodetic2 closestCorner = patch.closestCorner(point);
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Geodetic2 expectedCorner = patch.southWestCorner();
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ASSERT_EQ(closestCorner.lat, expectedCorner.lat);
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ASSERT_EQ(closestCorner.lon, expectedCorner.lon);
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}
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TEST_F(LatLonPatchTest, TestSphericalClamp1) {
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GeodeticPatch patch(0, 0, M_PI / 4, M_PI / 4);
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// inside patch latitude-wise, east of patch longitude-wise
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Geodetic2 point(M_PI / 6, M_PI - 0.01);
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Geodetic2 clampedPoint = patch.closestPoint(point);
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Geodetic2 neCorner = patch.northEastCorner();
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ASSERT_EQ(clampedPoint.lat, neCorner.lat);
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ASSERT_EQ(clampedPoint.lon, neCorner.lon);
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}
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TEST_F(LatLonPatchTest, TestSphericalClamp2) {
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GeodeticPatch patch(0, 0, M_PI / 4, M_PI / 4);
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// inside patch latitude-wise, west of patch longitude-wise
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Geodetic2 point(M_PI / 6, M_PI + 0.01);
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Geodetic2 clampedPoint = patch.closestPoint(point);
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Geodetic2 nwCorner = patch.northWestCorner();
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ASSERT_EQ(clampedPoint.lat, nwCorner.lat);
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ASSERT_EQ(clampedPoint.lon, nwCorner.lon);
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}
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TEST_F(LatLonPatchTest, TestSphericalClamp3) {
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GeodeticPatch patch(0, 0, M_PI / 4, M_PI / 4);
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// North east of patch
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Geodetic2 point(M_PI / 3, M_PI - 0.01);
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Geodetic2 clampedPoint = patch.closestPoint(point);
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Geodetic2 neCorner = patch.northEastCorner();
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ASSERT_EQ(clampedPoint.lat, neCorner.lat);
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ASSERT_EQ(clampedPoint.lon, neCorner.lon);
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}
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TEST_F(LatLonPatchTest, TestSphericalClamp4) {
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GeodeticPatch patch(0, 0, M_PI / 4, M_PI / 4);
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// South east of patch
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Geodetic2 point(-M_PI / 3, M_PI - 0.01);
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Geodetic2 clampedPoint = patch.closestPoint(point);
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Geodetic2 seCorner = patch.southEastCorner();
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ASSERT_EQ(clampedPoint.lat, seCorner.lat);
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ASSERT_EQ(clampedPoint.lon, seCorner.lon);
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}
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TEST_F(LatLonPatchTest, TestSphericalClamp5) {
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GeodeticPatch patch(0, 0, M_PI / 4, M_PI / 4);
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// South west of patch
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Geodetic2 point(-M_PI / 3, 3*M_PI + 0.01);
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Geodetic2 clampedPoint = patch.closestPoint(point);
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Geodetic2 swCorner = patch.southWestCorner();
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ASSERT_EQ(clampedPoint.lat, swCorner.lat);
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ASSERT_EQ(clampedPoint.lon, swCorner.lon);
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}
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int radAsDeg(double rads) {
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return floorf(Angle<Scalar>::fromRadians(rads).asDegrees());
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}
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TEST_F(LatLonPatchTest, PrintingSphericalClamp) {
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GeodeticPatch patch(0, 0, M_PI / 4, M_PI / 4);
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using Ang = Angle<Scalar>;
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Ang delta = Ang::fromDegrees(30);
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std::cout << "point lat, lon --> clamped lat, lon" << std::endl;
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for (Ang lat = Ang::fromDegrees(90); lat > -Ang::QUARTER; lat -= delta) {
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for (Ang lon = Ang::fromDegrees(180); lon > -Ang::HALF; lon -= delta) {
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Geodetic2 point(lat.asRadians(), lon.asRadians());
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Geodetic2 clamped = patch.closestPoint(point);
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std::cout
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<< radAsDeg(point.lat) << ", "
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<< radAsDeg(point.lon) << " --> "
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<< radAsDeg(clamped.lat) << ", "
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<< radAsDeg(clamped.lon) << std::endl;
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}
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std::cout << std::endl;
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}
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}
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