ppovb5fc7/gazebo/test/integration/dem.cc

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2019-03-25 11:01:43 +08:00
/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <ignition/math/Angle.hh>
#include "gazebo/common/Dem.hh"
#include "gazebo/sensors/GpsSensor.hh"
#include "gazebo/test/ServerFixture.hh"
#define DOUBLE_TOL 1e-3
using namespace gazebo;
class Dem_TEST : public ServerFixture
{
};
#ifdef HAVE_GDAL
/////////////////////////////////////////////////
/// \brief Test the integration between GPS and a DEM terrain.
TEST_F(Dem_TEST, GPS)
{
ignition::math::Angle latitude, longitude;
double elevation;
common::Dem dem;
boost::filesystem::path path = "file://media/dem/volcano.tif";
// Load a DEM world with a GPS sensor (without noise) attached to a box.
Load("worlds/dem_gps.world");
physics::WorldPtr world = physics::get_world("default");
ASSERT_TRUE(world != NULL);
physics::ModelPtr model = world->GetModel("box1");
ASSERT_TRUE(model != NULL);
sensors::SensorManager *mgr = sensors::SensorManager::Instance();
// Update the sensor manager so that it can process new sensors.
mgr->Update();
// Get a pointer to the GPS sensor.
sensors::GpsSensorPtr sensor =
std::dynamic_pointer_cast<sensors::GpsSensor>(
mgr->GetSensor("gps"));
// Make sure the above dynamic cast worked.
EXPECT_TRUE(sensor != NULL);
EXPECT_TRUE(sensor->IsActive());
sensor->Update(true);
// Get the georeference coordinates of the DEM's origin
dem.Load(path.string());
dem.GetGeoReferenceOrigin(latitude, longitude);
elevation = dem.GetElevation(0.0, 0.0);
EXPECT_NEAR(sensor->Latitude().Degree(), latitude.Degree(), DOUBLE_TOL);
EXPECT_NEAR(sensor->Longitude().Degree(), longitude.Degree(), DOUBLE_TOL);
// Sensor altitude is the elevation of the terrain + the sensor position.
EXPECT_NEAR(sensor->Altitude(),
elevation + model->GetWorldPose().pos.z, 1);
}
#endif
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}