コード例 #1
0
  virtual void OnPaint(Canvas &canvas) override {
    canvas.ClearWhite();

    const GeoPoint a(Angle::Degrees(7.70722),
                     Angle::Degrees(51.052));
    const GeoPoint b(Angle::Degrees(11.5228),
                     Angle::Degrees(50.3972));

    WindowProjection projection;
    projection.SetScreenOrigin(canvas.GetWidth() / 2, canvas.GetHeight() / 2);
    projection.SetGeoLocation(a.Middle(b));
    projection.SetScreenSize(canvas.GetSize());
    projection.SetScaleFromRadius(fixed(400000));
    projection.UpdateScreenBounds();

    canvas.SelectBlackPen();
    canvas.SelectHollowBrush();

    RasterPoint pa = projection.GeoToScreen(a);
    canvas.DrawCircle(pa.x, pa.y, 4);

    RasterPoint pb = projection.GeoToScreen(b);
    canvas.DrawCircle(pb.x, pb.y, 4);

    RenderFAISector(canvas, projection, a, b, false, settings);
  }
コード例 #2
0
int main(int argc, char **argv)
{
  if (argc != 2) {
    fprintf(stderr, "Usage: %s PATH\n", argv[0]);
    return 1;
  }

  const char *map_path = argv[1];

  TCHAR jp2_path[4096];
  _tcscpy(jp2_path, PathName(map_path));
  _tcscat(jp2_path, _T(DIR_SEPARATOR_S) _T("terrain.jp2"));

  TCHAR j2w_path[4096];
  _tcscpy(j2w_path, PathName(map_path));
  _tcscat(j2w_path, _T(DIR_SEPARATOR_S) _T("terrain.j2w"));

  NullOperationEnvironment operation;
  RasterMap map(jp2_path, j2w_path, NULL, operation);
  if (!map.isMapLoaded()) {
    fprintf(stderr, "failed to load map\n");
    return EXIT_FAILURE;
  }

  do {
    map.SetViewCenter(map.GetMapCenter(), fixed(50000));
  } while (map.IsDirty());

  fixed radius = fixed(50000);
  WindowProjection projection;
  projection.SetScreenSize(640, 480);
  projection.SetScaleFromRadius(radius);
  projection.SetGeoLocation(map.GetMapCenter());
  projection.SetScreenOrigin(320, 240);
  projection.UpdateScreenBounds();

  HeightMatrix matrix;
  matrix.Fill(map, projection, 1, false);

  return EXIT_SUCCESS;
}