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CartoType C++ API 7.8.2, 2022-03-25
for Windows, Linux, Qt and other platforms supporting C++ development
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| constexpr uint32_t | RoutingMask = 0x3E |
| constexpr uint32_t | RoadTypeMask = 0xFC0 |
| constexpr uint32_t | MajorRoadTypeMask = 0xF00 |
| constexpr uint32_t | LevelMask = 0xF000 |
| constexpr uint32_t | TunnelFlag = 1 |
| constexpr uint32_t | BridgeFlag = 0x10000 |
| constexpr uint32_t | LevelShift = 12 |
| constexpr uint32_t | RampFlag = 64 |
| constexpr uint32_t | LinkFlag = RampFlag |
| constexpr uint32_t | LowerGradeFlag = 128 |
| constexpr uint32_t | TollFlag = 2 |
| constexpr uint32_t | RoundaboutFlag = 4 |
| constexpr uint32_t | RestrictionFlag = 8 |
| constexpr uint32_t | DirectionMask = 16 | 32 |
| constexpr uint32_t | DirectionShift = 4 |
| constexpr uint32_t | DriveOnRight = 0 |
| constexpr uint32_t | DriveOnLeft = 48 |
| constexpr uint32_t | OneWayForward = 16 |
| constexpr uint32_t | OneWayBackward = 32 |
| constexpr uint32_t | FirstOverLevel = 0x1000 |
| constexpr uint32_t | FirstUnderLevel = 0xF000 |
| constexpr uint32_t | SecondUnderLevel = 0xE000 |
| constexpr uint32_t | AccessMask = 0xFFFE0000 |
| constexpr uint32_t | BicycleAccessFlag = 0x20000 |
| constexpr uint32_t | MotorCycleAccessFlag = 0x40000 |
| constexpr uint32_t | MotorCarAccessFlag = 0x80000 |
| constexpr uint32_t | HighOccupancyAccessFlag = 0x100000 |
| constexpr uint32_t | GoodsAccessFlag = 0x200000 |
| constexpr uint32_t | HeavyGoodsAccessFlag = 0x400000 |
| constexpr uint32_t | BusAccessFlag = 0x800000 |
| constexpr uint32_t | TaxiAccessFlag = 0x1000000 |
| constexpr uint32_t | PedestrianAccessFlag = 0x2000000 |
| constexpr uint32_t | AgriculturalAccessFlag = 0x4000000 |
| constexpr uint32_t | ForestryAccessFlag = 0x8000000 |
| constexpr uint32_t | EmergencyAccessFlag = 0x10000000 |
| constexpr uint32_t | OtherAccessFlag = 0x20000000 |
| constexpr uint32_t | WheelChairAccessFlag = 0x40000000 |
| constexpr uint32_t | DisabledAccessFlag = 0x80000000 |
| constexpr uint32_t | VehicleAccessMask = 0xFFFE0000 & ~(PedestrianAccessFlag | WheelChairAccessFlag) |
| constexpr uint32_t | MotorVehicleAccessMask = 0xFFFE0000 & ~(PedestrianAccessFlag | BicycleAccessFlag | WheelChairAccessFlag) |
| constexpr uint32_t | PublicServiceVehicleRoadAccessMask = BusAccessFlag | TaxiAccessFlag |
Masks, flags and shifts used for road types. The level, bridge and tunnel flags are also used in the integer attributes of objects other than roads.
Bit assignments:
bit 0: tunnel; bit 1: toll; bit 2: roundabout; bit 3: restricted turn exists - see the _R string attribute for details; bit 4: one way forward; bit 5: one way backward; bit 6: link; bit 7: lower grade road; bits 8...11: major road type; bits 12...15: level; bit 16: bridge; bits 17...31: road access flags;
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Access rules. These flags occupy the bits used for the OSM type in non-road layers, so may be used only where an OSM type is not used. Each flag forbids access to a certain type of vehicle.
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Access is forbidden to agricultural vehicles.
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Access is forbidden to bicycles.
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A bit flag to identify bridges.
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Access is forbidden to buses.
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A bit mask for the road direction and driving side.
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The number of bits by which the road direction and driving side field is shifted.
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Access is forbidden to vehicles with disabled persons' permits.
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A road direction value indicating two-way traffic, driving on the left.
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A road direction value indicating two-way traffic, driving on the right.
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Access is forbidden to emergency vehicles.
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The first raised level: the default level for a bridge or overpass.
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The first sub-surface level: the default value for an underpass.
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Access is forbidden to forestry vehicles.
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Access is forbidden to light goods vehicles.
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Access is forbidden to heavy goods vehicles.
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Access is forbidden to high-occupancy vehicles.
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The level (0 = surface, positive = above surface, negative = below surface) is held as a signed nybble in bits 12...15. Levels above 0 are not necessarily bridges; they can be embankments or other raised structures, and levels below 0 are not necessarily tunnels. There are separate bits to mark bridges and tunnels: BridgeFlag and TunnelFlag.
The level mask is also used for levels in the 'Type' attribute of non-road objects.
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The number of bits by which levels are shifted.
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A synonym for RampFlag.
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A bit flag to allow a distinction to be made between grades of road, within the major road type. It allows OSM data to distinguish trunk roads from primary roads in a backward-compatible way.
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The major road type is held in bits 8...11; bits 7 and 6 are used for finer distinctions.
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Access is forbidden to motor cars.
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Access is forbidden to motorcycles.
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Access is forbidden to motor vehicles.
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A road direction value indicating that the road is one-way in the reverse direction to that in which it is defined.
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A road direction value indicating that the road is one-way in the direction in which it is defined.
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Other access restrictions exist such as weight, length, width, height or for vehicles carrying hazardous materials.
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Access is forbidden to pedestrians.
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Access is forbidden to public service vehicles (buses and taxis).
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A bit flag to allow access ramps to be marked as sub-types of a major road type.
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A bit flag indicating that the road has one or more restrictions (e.g., right turn only). The details of the restrictions are stored in string attributes.
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The road type is held in bits 6...11.
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A bit flag indicating that the road is part of a roundabout.
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The toll, roundabout, restriction and direction flags are held in bits 1...5.
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The second sub-surface level: the default value for a tunnel.
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Access is forbidden to taxis.
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A toll must be paid to use this road. More details may be available in string attributes.
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A bit flag to identify tunnels.
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Access is forbidden to all vehicles.
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Access is forbidden to wheelchairs.
1.9.3