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Draw radar range circle using geodesic projection

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This commit is contained in:
Dan Paulat 2021-07-17 15:54:13 -05:00
parent 9b6582cd95
commit c3037d6d38
4 changed files with 29 additions and 15 deletions
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3
CMakeLists.txt
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@ -16,6 +16,7 @@ conan_cmake_configure(REQUIRES boost/1.76.0
glm/0.9.9.8
gtest/cci.20210126
openssl/1.1.1k
proj/8.1.0
vulkan-loader/1.2.172
GENERATORS cmake
cmake_find_package
@ -29,7 +30,7 @@ conan_cmake_autodetect(settings)
conan_cmake_install(PATH_OR_REFERENCE .
BUILD missing
REMOTE conan-center
REMOTE conancenter
SETTINGS ${settings})
include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)

2
external/mapbox-gl-native.cmake vendored
View file

@ -9,6 +9,8 @@ find_package(ZLIB)
target_include_directories(mbgl-core PRIVATE ${ZLIB_INCLUDE_DIRS})
target_link_libraries(mbgl-core INTERFACE ${ZLIB_LIBRARIES})
set(MBGL_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/mapbox-gl-native/include PARENT_SCOPE)
set_target_properties(mbgl-qt PROPERTIES EXCLUDE_FROM_ALL True)
set_target_properties(mbgl-test-runner PROPERTIES EXCLUDE_FROM_ALL True)
set_target_properties(mbgl-vendor-icu PROPERTIES EXCLUDE_FROM_ALL True)

7
scwx-qt/scwx-qt.cmake
View file

@ -13,6 +13,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
find_package(Boost)
find_package(glm)
find_package(proj)
# QtCreator supports the following variables for Android, which are identical to qmake Android variables.
# Check https://doc.qt.io/qt/deployment-android.html for more information.
@ -96,11 +97,13 @@ qt_add_executable(scwx-qt
qt6_create_translation_scwx(QM_FILES ${scwx-qt_SOURCE_DIR} ${TS_FILES})
target_include_directories(scwx-qt PRIVATE ${scwx-qt_SOURCE_DIR}/source)
target_include_directories(scwx-qt PRIVATE ${scwx-qt_SOURCE_DIR}/source
${MBGL_INCLUDE_DIR})
target_link_libraries(scwx-qt PRIVATE Qt${QT_VERSION_MAJOR}::Widgets
Qt${QT_VERSION_MAJOR}::OpenGLWidgets
Boost::log
qmapboxgl
opengl32
glm::glm)
glm::glm
PROJ::proj)

30
scwx-qt/source/scwx/qt/map/radar_range_layer.cpp
View file

@ -1,8 +1,9 @@
#include <scwx/qt/map/radar_range_layer.hpp>
#include <boost/log/trivial.hpp>
#include <geodesic.h>
#include <glm/glm.hpp>
#include <mbgl/util/constants.hpp>
namespace scwx
{
@ -11,18 +12,21 @@ namespace qt
static const std::string logPrefix_ = "[scwx::qt::map::radar_range_layer] ";
static constexpr double EARTH_FLATTENING = 1 / 298.257223563;
void RadarRangeLayer::Add(std::shared_ptr<QMapboxGL> map, const QString& before)
{
BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Add()";
geod_geodesic g;
geod_init(&g, mbgl::util::EARTH_RADIUS_M, EARTH_FLATTENING);
constexpr float range = 460.0f * 1000.0f;
constexpr float angleDelta = glm::radians<float>(0.5f);
constexpr float angleDelta = 0.5f;
constexpr float angleDeltaH = angleDelta / 2.0f;
const QMapbox::Coordinate radar {38.6986, -90.6828};
const QMapbox::ProjectedMeters radarMeters {
QMapbox::projectedMetersForCoordinate(radar)};
float angle = -angleDeltaH;
@ -30,15 +34,19 @@ void RadarRangeLayer::Add(std::shared_ptr<QMapboxGL> map, const QString& before)
for (uint16_t azimuth = 0; azimuth <= 720; ++azimuth)
{
const float sinTheta = std::sinf(angle);
const float cosTheta = std::cosf(angle);
double latitude;
double longitude;
const float x = range * sinTheta + radarMeters.second;
const float y = range * cosTheta + radarMeters.first;
geod_direct(&g,
radar.first,
radar.second,
angle,
range,
&latitude,
&longitude,
nullptr);
QMapbox::Coordinate point {QMapbox::coordinateForProjectedMeters({y, x})};
geometry.append(point);
geometry.append({latitude, longitude});
angle += angleDelta;
}