| 210 | {} |
| 211 | |
| 212 | Altitude GetValue(ms::LatLon const & pos) override |
| 213 | { |
| 214 | if (m_isOnBorderFn(pos)) |
| 215 | { |
| 216 | // Check that we have original neighboring tile, use filtered if haven't. |
| 217 | auto const alt = m_originalProvider.GetValue(pos); |
| 218 | if (alt != kInvalidAltitude) |
| 219 | return alt; |
| 220 | } |
| 221 | return m_filteredProvider.GetValue(pos); |
| 222 | } |
| 223 | |
| 224 | Altitude GetInvalidValue() const override { return kInvalidAltitude; } |
| 225 |