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 ();
}
unsigned long RGBtoHSB (int iRed, int iGreen, int iBlue)
{
ASSERT(0 <= iRed && 255 >= iRed);
ASSERT(0 <= iGreen && 255 >= iGreen);
ASSERT(0 <= iBlue && 255 >= iBlue);
double dHue = 0.0;
double dSat = 0.0;
double dBright = 0.0;
double dRed = (double)iRed / 255.0;
double dGreen = (double)iGreen / 255.0;
double dBlue = (double)iBlue / 255.0;
RGBtoHSBService (dRed, dGreen, dBlue, dHue, dSat, dBright);
return HSB((int)((dSat*255.0)+0.5), (int)((dBright*65535.0)+0.5), (int)(((dHue*255.0)/360)+0.5));
}
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);
}
