Cities () : DataSet ()
{ Load ("data/cities/geonames_cities5000.txt");
city_name = StrColumn (0);
latitude = FloatColumn (1);
longitude = FloatColumn (2);
LoadShaders ("shaders/foggy.vert", "shaders/null.frag");
for (int64 i = 0 ; i < Count () ; i++)
{ Vect globe_position = LatLongToSphereSurface (GLOBE_RADIUS,
latitude[i],
longitude[i]);
SetPointLocation (i, globe_position.x,
globe_position.y,
globe_position.z);
// INFORM ( city_name[i] + ", "
// + ToStr (longitude[i]) + ", "
// + ToStr (latitude[i]) );
SetPointColor (i, HSB (0.12, 0.2, 1.0, 1.0));
SetPointSize (i, 2.0);
}
DataReady ();
}
// ------------------------------------------------------------------------
void PointPicker::OnMouseMove()
{
// if not moving we can do default behavoiur
if(!isMoving)
{
return;
}
SetPointLocation();
}
// ------------------------------------------------------------------------
void PointPicker::OnLeftButtonDown()
{
int * clickPos = this->GetInteractor()->GetEventPosition();
// get the xyz at this location
pointPicker->Pick(clickPos[0], clickPos[1], 0, this->currentRenderer);
double * pos = pointPicker->GetPickPosition();
if(PointAtPickLocation())
{
this->isMoving = true;
this->pickedPoint = pointPicker->GetPointId();
std::cout << "Moving point: " << this->pickedPoint << std::endl;
this->pickedData = dynamic_cast<vtkPolyData*>(pointPicker->GetDataSet());
SetPointLocation();
}
// trigger the parent event
//vtkInteractorStyleImage::OnLeftButtonDown();
}
CountryBorders () : DataSet ()
{ Load ("data/Tissot_indicatrix_world_map_equirectangular_proj_360x180_coords_cleaner2.txt");
// Interpret the 0th and 1th column in the data as floats,
// and the 2th column as ints
longitude = FloatColumn (0);
latitude = FloatColumn (1);
drawitude = IntColumn (2);
LoadShaders ("shaders/foggy.vert", "shaders/null.frag");
for (int64 i = 4 ; i < Count () ; i++)
{ float64 mapped_longitude
= Range (longitude[i], 0.0, 360.0, -180.0, 180.0) - 0.2;
// todo: - .2 because the borders data is a tad off
float64 mapped_latitude
= Range (latitude[i], 0.0, 180.0, 90.0, -90.0) + 0.25;
// todo: + .25 because the borders data is a tad off
Vect globe_position = LatLongToSphereSurface (GLOBE_RADIUS - 0.5,
mapped_latitude,
mapped_longitude);
SetPointLocation (i, globe_position.x,
globe_position.y,
globe_position.z);
SetPointColor (i, HSB (0.5, 0.0, 0.2, 1.0 * drawitude[i]));
}
DataReady ();
SetDrawMode (GL_LINE_STRIP);
RotationAnimateChase (0.75);
TranslationAnimateChase (0.25);
}
