// Converts Latitude/Longitude to quadkey
static QuadKey latLonToQuadKey(const GeoCoordinate& coordinate, int levelOfDetail)
{
QuadKey quadKey;
quadKey.tileX = lonToTileX(clamp(coordinate.longitude, -179.9999999, 179.9999999), levelOfDetail);
quadKey.tileY = latToTileY(clamp(coordinate.latitude, -85.05112877, 85.05112877), levelOfDetail);
quadKey.levelOfDetail = levelOfDetail;
return quadKey;
}
void OSMTileLayer::RefreshTiles()
{
if (tileServer && renderSurface && camera && fort14)
{
int newZoom = CalculateZoomLevel(surfaceDimension, 1.2);
if (newZoom != zoom)
{
renderSurface->ClearTextures();
}
zoom = newZoom;
// Convert screen coordinates to normalized coordinates
float normX, normY;
camera->GetUnprojectedPoint(0, 0, &normX, &normY);
// Convert normalized coordiantes to lat/long
float geoX = fort14->GetUnprojectedX(normX);
float geoY = fort14->GetUnprojectedY(normY);
// Get the x, y tile coordinates
int newX = lonToTileX(geoX, zoom);
int newY = latToTileY(geoY, zoom);
if (newX != x || newY != y)
{
// Convert tile coordinates to lat/long
float geoXnew = tileXToLon(newX, zoom);
float geoYnew = tileYToLat(newY, zoom);
float geoXnewNext = tileXToLon(newX + 1, zoom);
float geoYnewNext = tileYToLat(newY + 1, zoom);
// Convert lat/long to normalized coordinates
float normXnew = fort14->GetNormalizedX(geoXnew);
float normYnew = fort14->GetNormalizedY(geoYnew);
float normXnewNext = fort14->GetNormalizedX(geoXnewNext);
float normYnewNext = fort14->GetNormalizedY(geoYnewNext);
// Calculate the width and height
float width = normXnewNext - normXnew;
float height = normYnewNext - normYnew;
renderSurface->UpdateSurfacePosition(normXnew, normYnew, width, height);
// std::cout << "Old Coords: (" << x << ", " << y << ")\t" <<
// "New Coords: (" << newX << ", " << newY << ")" << std::endl;
x = newX;
y = newY;
}
if (currentType == SatelliteMap)
tileServer->setBoundingBox(SatelliteTile, x, y, zoom);
else if (currentType == StreetMap)
tileServer->setBoundingBox(StreetTile, x, y, zoom);
else if (currentType == TerrainMap)
tileServer->setBoundingBox(TerrainTile, x, y, zoom);
}
}
/// Converts Latitude/Longitude to quadkey
static QuadKey GeoCoordinateToQuadKey(const GeoCoordinate &coordinate, int levelOfDetail) {
return QuadKey(levelOfDetail,
lonToTileX(clamp(coordinate.longitude, -179.9999999, 179.9999999), levelOfDetail),
latToTileY(clamp(coordinate.latitude, -85.05112877, 85.05112877), levelOfDetail));
}
