public TerrainTile(GeoPackage.Database database)
{
Database = database;
foreach (var layer in Database.Layers("2d-gridded-coverage"))
{
if (layer.SpatialReferenceSystemID != 4326)
{
continue;
}
Elevation = (RasterLayer)layer;
}
foreach (var layer in Database.Layers("tiles"))
{
if (layer.SpatialReferenceSystemID != 4326)
{
continue;
}
Imagery = (RasterLayer)layer;
}
if (Elevation == null)
{
return;
}
ElevationTileMatrixSet = Elevation.TileMatrices().ToList();
}