int main()
{
Frustum frustum;
osgViewer::CompositeViewer viewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
// Circle
Circle c;
c.normal = osg::Vec3d(1,1,1);
c.normal.normalize();
c.center = osg::Vec3d(1,3,4);
c.radius = 25;
auto gp_circle = BuildCircle(c,osg::Vec4(0.5,0.5,0.5,1.0));
// View0 root
osg::ref_ptr<osg::Group> gp_root0 = new osg::Group;
gp_root0->addChild(gp_circle);
// View1 root
osg::ref_ptr<osg::Group> gp_root1 = new osg::Group;
gp_root1->addChild(gp_circle);
// disable lighting and enable blending
gp_root0->getOrCreateStateSet()->setMode( GL_LIGHTING,osg::StateAttribute::OFF);
gp_root0->getOrCreateStateSet()->setMode( GL_BLEND,osg::StateAttribute::ON);
gp_root0->getOrCreateStateSet()->setMode( GL_DEPTH_TEST,osg::StateAttribute::OFF);
gp_root1->getOrCreateStateSet()->setMode( GL_LIGHTING,osg::StateAttribute::OFF);
gp_root1->getOrCreateStateSet()->setMode( GL_BLEND,osg::StateAttribute::ON);
gp_root1->getOrCreateStateSet()->setMode( GL_DEPTH_TEST,osg::StateAttribute::OFF);
// Create View 0
{
osgViewer::View* view = new osgViewer::View;
viewer.addView( view );
view->setUpViewInWindow( 10, 10, 640, 480 );
view->setSceneData( gp_root0.get() );
view->getCamera()->setClearColor(osg::Vec4(0.1,0.1,0.1,1.0));
osg::ref_ptr<osgGA::TrackballManipulator> view_manip =
new osgGA::TrackballManipulator;
view_manip->setMinimumDistance(100);
view->setCameraManipulator(view_manip);
}
// Create view 1 (this view shows View0's frustum)
{
osgViewer::View* view = new osgViewer::View;
viewer.addView( view );
view->setUpViewInWindow( 10, 510, 640, 480 );
view->setSceneData( gp_root1.get() );
view->getCamera()->setClearColor(osg::Vec4(0.1,0.1,0.1,1.0));
osg::ref_ptr<osgGA::TrackballManipulator> view_manip =
new osgGA::TrackballManipulator;
view_manip->setMinimumDistance(100);
view->setCameraManipulator(view_manip);
}
while(!viewer.done())
{
osg::Camera * camera = viewer.getView(0)->getCamera();
osg::Vec3d eye,vpt,up;
double fovy,ar,near,far;
camera->getViewMatrixAsLookAt(eye,vpt,up);
camera->getProjectionMatrixAsPerspective(fovy,ar,near,far);
osg::Vec3d viewdirn = vpt-eye;
viewdirn.normalize();
// new frustum
auto new_frustum = BuildFrustumNode(camera,frustum);
// new viewdirn
auto new_viewdirn = BuildLine(eye,eye+(viewdirn*far),K_COLOR_GRAY);
new_viewdirn->setName("viewdirn");
// new closest point circle/point
osg::Vec3d const cp_circle_pt = ClosestPointCirclePoint(c,eye);
auto new_cp_circle_pt = BuildFacingCircle(cp_circle_pt,
eye.length()/150.0,
8,K_COLOR_RED);
new_cp_circle_pt->setName("cp_circle_pt");
// Update gp_root0
{
for(size_t i=0; i < gp_root0->getNumChildren(); i++) {
std::string const name = gp_root0->getChild(i)->getName();
// Remove prev camera node
if(name == "cp_circle_pt") {
gp_root0->removeChild(i);
i--;
}
}
// Add new nodes
gp_root0->addChild(new_cp_circle_pt);
}
// Update gp_root1
{
for(size_t i=0; i < gp_root1->getNumChildren(); i++) {
std::string const name = gp_root1->getChild(i)->getName();
// Remove prev camera node
if(name == "frustum") {
gp_root1->removeChild(i);
i--;
}
else if(name == "viewdirn") {
gp_root1->removeChild(i);
i--;
}
else if(name == "cp_circle_pt") {
gp_root1->removeChild(i);
i--;
}
}
// Add new nodes
gp_root1->addChild(new_frustum);
gp_root1->addChild(new_viewdirn);
gp_root1->addChild(new_cp_circle_pt);
}
viewer.frame();
}
return 0;
}
int main()
{
Frustum frustum;
Plane horizon_plane;
// Celestial body geometry
auto gp_celestial = BuildCelestialSurfaceNode();
// Base view extents
std::vector<VxTile*> list_base_vx_tiles = BuildBaseViewExtents(5);
osgViewer::CompositeViewer viewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
// View0 root
osg::ref_ptr<osg::Group> gp_root0 = new osg::Group;
gp_root0->addChild(gp_celestial);
// View1 root
osg::ref_ptr<osg::Group> gp_root1 = new osg::Group;
gp_root1->addChild(gp_celestial);
// disable lighting and enable blending
gp_root0->getOrCreateStateSet()->setMode( GL_LIGHTING,osg::StateAttribute::OFF);
gp_root0->getOrCreateStateSet()->setMode( GL_BLEND,osg::StateAttribute::ON);
gp_root0->getOrCreateStateSet()->setMode( GL_DEPTH_TEST,osg::StateAttribute::OFF);
gp_root1->getOrCreateStateSet()->setMode( GL_LIGHTING,osg::StateAttribute::OFF);
gp_root1->getOrCreateStateSet()->setMode( GL_BLEND,osg::StateAttribute::ON);
gp_root1->getOrCreateStateSet()->setMode( GL_DEPTH_TEST,osg::StateAttribute::OFF);
// Create View 0
{
osgViewer::View* view = new osgViewer::View;
viewer.addView( view );
view->setUpViewInWindow( 10, 10, 640, 480 );
view->setSceneData( gp_root0.get() );
view->getCamera()->setClearColor(osg::Vec4(0.1,0.1,0.1,1.0));
view->setCameraManipulator( new osgGA::TrackballManipulator );
}
// Create view 1 (this view shows View0's frustum)
{
osgViewer::View* view = new osgViewer::View;
viewer.addView( view );
view->setUpViewInWindow( 10, 510, 640, 480 );
view->setSceneData( gp_root1.get() );
view->getCamera()->setClearColor(osg::Vec4(0.1,0.1,0.1,1.0));
view->setCameraManipulator( new osgGA::TrackballManipulator );
}
while(!viewer.done())
{
osg::Camera * camera = viewer.getView(0)->getCamera();
osg::Vec3d eye,vpt,up;
camera->getViewMatrixAsLookAt(eye,vpt,up);
// new camera frustum node
auto new_frustum = BuildFrustumNode(camera,frustum);
// new horizon plane node
auto new_horizon = BuildHorizonPlaneNode(camera,horizon_plane);
// new lod rings
auto new_lodrings = BuildLodRingsNode(eye);
// new min cam dist line node
auto new_mincamdistline = BuildMinCamDistLineNode(eye);
// new vxtiles
BuildViewExtents(list_base_vx_tiles,frustum,horizon_plane);
auto new_vxtiles = BuildViewExtentsNode(list_base_vx_tiles);
// auto new_vxtilesobb = BuildViewExtentsOBBNode(list_base_vx_tiles);
// temp new frustumobbproj
// auto new_frustumobbproj = BuildFrustumOBBProjNode(frustum,list_base_vx_tiles[0]->obb);
// Update gp_root0
{
for(size_t i=0; i < gp_root0->getNumChildren(); i++) {
std::string const name = gp_root0->getChild(i)->getName();
if(name == "vxtiles") {
gp_root0->removeChild(i);
i--;
}
else if(name == "vxtilesobb") {
gp_root0->removeChild(i);
i--;
}
else if(name == "horizonplane") {
gp_root0->removeChild(i);
i--;
}
}
gp_root0->addChild(new_vxtiles);
// gp_root0->addChild(new_vxtilesobb);
gp_root0->addChild(new_horizon);
}
// Update gp_root1
{
for(size_t i=0; i < gp_root1->getNumChildren(); i++) {
std::string const name = gp_root1->getChild(i)->getName();
// Remove prev camera node
if(name == "frustum") {
gp_root1->removeChild(i);
i--;
}
else if(name == "mincamdistline") {
gp_root1->removeChild(i);
i--;
}
else if(name == "lodrings") {
gp_root1->removeChild(i);
i--;
}
else if(name == "vxtiles") {
gp_root1->removeChild(i);
i--;
}
else if(name == "vxtilesobb") {
gp_root1->removeChild(i);
i--;
}
else if(name == "horizonplane") {
gp_root1->removeChild(i);
i--;
}
else if(name == "frustumobbproj") {
gp_root1->removeChild(i);
i--;
}
}
// Add new nodes
gp_root1->addChild(new_frustum);
gp_root1->addChild(new_mincamdistline);
gp_root1->addChild(new_lodrings);
gp_root1->addChild(new_vxtiles);
// gp_root1->addChild(new_vxtilesobb);
gp_root1->addChild(new_horizon);
//gp_root1->addChild(new_frustumobbproj);
}
viewer.frame();
}
return 0;
}
void TileSetLLByPixelArea::UpdateTileSet(osg::Camera const * cam,
std::vector<uint64_t> &list_tiles_add,
std::vector<uint64_t> &list_tiles_upd,
std::vector<uint64_t> &list_tiles_rem)
{
// update view data
m_cam = cam;
m_mvp = cam->getViewMatrix()*
cam->getProjectionMatrix();
osg::Vec3d eye,vpt,up;
cam->getViewMatrixAsLookAt(eye,vpt,up);
m_view_dirn = vpt-eye;
m_view_dirn.normalize();
m_near_plane.n = m_view_dirn;
m_near_plane.n.normalize();
m_near_plane.p = eye + m_near_plane.n*100.0;
m_near_plane.d = m_near_plane.n*m_near_plane.p;
double ar,fovy,z_near,z_far;
cam->getProjectionMatrixAsPerspective(fovy,ar,z_near,z_far);
Frustum frustum;
{
auto osg_frustum = BuildFrustumNode(
"frustum",cam,frustum,z_near,z_far);
}
Plane horizon_plane = CalcHorizonPlane(eye);
// TODO check calcprojfrustumpoly is successful
CalcProjFrustumPoly(frustum,horizon_plane,m_list_frustum_ecef);
m_list_frustum_bounds.clear();
m_list_frustum_lla = ConvListECEFToLLA(m_list_frustum_ecef);
CalcMinGeoBoundsFromLLAPoly(ConvECEFToLLA(eye),
m_list_frustum_lla,
m_list_frustum_bounds);
if(m_list_frustum_bounds.empty()) {
return;
}
m_frustum_pole = 0;
for(auto const &bounds : m_list_frustum_bounds) {
if(bounds.maxLat == 90.0) {
m_frustum_pole = 1;
break;
}
if(bounds.minLat == -90.0) {
m_frustum_pole = 2;
break;
}
}
m_list_frustum_tri_planes =
calcFrustumPolyTriPlanes(m_list_frustum_ecef,true);
// rebuild the tileset with the new view data
m_tile_count = m_list_root_tiles.size();
std::map<uint64_t,Tile const *> list_tileset_new;
for(auto & root_tile : m_list_root_tiles) {
buildTileSet(root_tile,m_tile_count);
buildTileSetList(root_tile,list_tileset_new);
}
// get tileset lists as sorted lists of tile ids
std::vector<uint64_t> list_tiles_new;
list_tiles_new.reserve(list_tileset_new.size());
for(auto it = list_tileset_new.begin();
it != list_tileset_new.end(); ++it)
{
list_tiles_new.push_back(it->first);
}
std::vector<uint64_t> list_tiles_old;
list_tiles_old.reserve(m_list_tileset.size());
for(auto it = m_list_tileset.begin();
it != m_list_tileset.end(); ++it)
{
list_tiles_old.push_back(it->first);
}
// split the new and old tile sets into
// tiles added, removed and common
SplitSets(list_tiles_new,
list_tiles_old,
list_tiles_add, // tiles added
list_tiles_rem, // tiles removed
list_tiles_upd); // tiles common
// TEMP TODO
list_tiles_upd.clear();
m_list_tileset = list_tileset_new;
}
int main(int argc, const char *argv[])
{
(void)argc;
(void)argv;
// triangle model
std::vector<osg::Vec3d> list_tri_vx(3);
list_tri_vx[0] = osg::Vec3d(1,0,0);
list_tri_vx[1] = osg::Vec3d(0,1,0);
list_tri_vx[2] = osg::Vec3d(0,0,1);
std::vector<osg::Vec3d> list_tri_edges;
std::vector<osg::Vec3d> list_tri_face_norms;
auto gp_triangle = BuildTriangleNode(list_tri_vx[0],
list_tri_vx[1],
list_tri_vx[2],
list_tri_face_norms,
list_tri_edges);
// View0 root
osg::ref_ptr<osg::Group> gp_root0 = new osg::Group;
gp_root0->addChild(gp_triangle);
// View1 root
osg::ref_ptr<osg::Group> gp_root1 = new osg::Group;
gp_root1->addChild(gp_triangle);
// disable lighting and enable blending
gp_root0->getOrCreateStateSet()->setMode( GL_LIGHTING,osg::StateAttribute::OFF);
gp_root0->getOrCreateStateSet()->setMode( GL_BLEND,osg::StateAttribute::ON);
gp_root0->getOrCreateStateSet()->setMode( GL_DEPTH_TEST,osg::StateAttribute::OFF);
gp_root1->getOrCreateStateSet()->setMode( GL_LIGHTING,osg::StateAttribute::OFF);
gp_root1->getOrCreateStateSet()->setMode( GL_BLEND,osg::StateAttribute::ON);
gp_root1->getOrCreateStateSet()->setMode( GL_DEPTH_TEST,osg::StateAttribute::OFF);
osgViewer::CompositeViewer viewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
// Create View 0
{
osgViewer::View* view = new osgViewer::View;
viewer.addView( view );
view->setUpViewInWindow( 10, 10, 640, 480 );
view->setSceneData( gp_root0.get() );
view->getCamera()->setClearColor(osg::Vec4(0.1,0.1,0.1,1.0));
view->setCameraManipulator( new osgGA::TrackballManipulator );
}
// Create view 1 (this view shows View0's frustum)
{
osgViewer::View* view = new osgViewer::View;
viewer.addView( view );
// view->addEventHandler(new KeyboardEventHandler());
view->setUpViewInWindow( 10, 510, 640, 480 );
view->setSceneData( gp_root1.get() );
view->getCamera()->setClearColor(osg::Vec4(0.1,0.1,0.1,1.0));
view->setCameraManipulator( new osgGA::TrackballManipulator );
}
// Create the fixed base VxTiles we use to
// calculate view extents
while (!viewer.done())
{
osg::Camera * camera = viewer.getView(0)->getCamera();
// Create a new camera frustum node
auto new_frustum = BuildFrustumNode(camera);
// Update geometry color based on SAT result
if(CalcPolysIntersectSAT(list_tri_vx,
list_tri_face_norms,
list_tri_edges,
g_list_frustum_vx,
g_list_frustum_plane_norms,
g_list_frustum_edges))
{
UpdateTriangleNode(gp_triangle,osg::Vec4(0,1,0,1));
}
else {
UpdateTriangleNode(gp_triangle,osg::Vec4(1,0,0,1));
}
// Update gp_root0
{
// for(size_t i=0; i < gp_root0->getNumChildren(); i++) {
// std::string const name = gp_root0->getChild(i)->getName();
// }
}
// Update gp_root1
{
for(size_t i=0; i < gp_root1->getNumChildren(); i++) {
std::string const name = gp_root1->getChild(i)->getName();
// Remove prev camera node
if(name == "frustum") {
gp_root1->removeChild(i);
i--;
}
}
// Add new nodes
gp_root1->addChild(new_frustum);
}
viewer.frame();
}
return 0;
}
