Parking garages represent one type of indoor map and follow the HERE Indoor Map structure from Site via Structure and Level to Spaces, and in some cases, some Occupants are also included. A subset of space types relevant to parking garages is used, but there are many parking specific properties where routing with topologies plays a significant role.

Parking spots

A space type of PARKING_SPOT represents an individual parking spot for a car and can have the following configurations:

  • Disabled (handicapped) driver: spaceTypeProperties.isDisabledAccess: true, from MOM 2.50 onwards, additionally spaceTypeProperties.parkingTypeProperties.reservation: SPECIAL_DRIVERS possible
  • Family parking: spaceTypeProperties.gender: FAMILY, from MOM 2.50 onwards additional spaceTypeProperties.parkingTypeProperties.reservation: SPECIAL_DRIVERS possible
  • Lady parking: spaceTypeProperties.gender: FEMALE. , from MOM 2.50 onwards additional spaceTypeProperties.parkingTypeProperties.reservation: SPECIAL_DRIVERS possible
  • In some garages, there are parking spaces for "special" drivers, including families, handicapped, and senior citizens, without any detailed restriction given and coded with spaceTypeProperties.parkingTypeProperties.reservation: SPECIAL_DRIVERS.
  • EV Charging: spaceTypeProperties.parkingTypeProperties.evCharging.hasEvChargingAccess: true
  • Reserved (non-public): spaceTypeProperties.isRestrictedArea, and if available, you can specify more details such as spaceTypeProperties.parkingTypeProperties.reservation: <RENTAL_CARS/RESIDENTIAL/EMPLOYEE/RESERVATION_PROGRAM/EMERGENCY_VEHICLE/VALET>. In some cases, the reservation details may be given in spaceProperties.names additionally or instead of the reservation type. This is the case when proper separation between residential and employee parking was not available, but only a name for the reservation was given.
  • Boxed parking spot: spaceTypeProperties.parkingTypeProperties.boxed

A parking spot may have a size indicator: spaceTypeProperties.parkingTypeProperties.sizeCategory: <COMPACT/STANDARD/STANDARD_LARGE/MICRO_CAR>, as well as spaceTypeProperties.clearanceHeight.

You can combine the configurations to some extent, for example, a rental car parking spot may have access to EV charging.

For motorcycles, there is a space type of MOTOR_BIKE, optionally configurable with bicycleRackTypes attributes.

Parking sections/zones

Parking sections may be present in some parking garages, depending on how the parking garage operators have set up their garages. A parking section can be a group of parking spots based on their physical location. For example, a row of parking spots can form a section.

Another type of parking section can be based on attributes common to a set of adjacent parking spots, such as a group of parking spots reserved for family parking. In both cases, the parent space has a space type of PARKING_SECTION. The children parking spots are spaces with a type of PARKING_SPOT and have the parentSpace property referencing the parent. Furthermore, parking sections can sometimes be nested. In that situation, a PARKING_SECTION of an inner section is a child of another PARKING_SECTION.

For example, if a generic parking section includes some parking spots for generic use, and also parking spots that are reserved for family parking. The family PARKING_SPOT's first form is a special section, and that special section then has the generic PARKING_SECTION as a parent. The other parking spots are then direct children of the generic section, as seen in the following diagram.

Parking section example
Figure 1. Parking section example

MOM also enables the parent space to easily find the children via space groups. The parent PARKING_SECTION represents the main space of a group, and children are given as a list of spaces in the group. As the number of PARKING_SECTIONs is relatively small per garage, in the order of tens, it is trivial to look up the corresponding group from the space groups container for each PARKING_SECTION and use it to get a list of children PARKING_SPOTs. Initially, all parking sections were placed in the single, HERE Indoor Map-wide SpaceGroups feature, but there are plans to store them in level-specific SpaceGroups features to enable easier management and maintenance.

The internal addressing can also reflect the parking section hierarchy, enabling navigation to a section and to concatenate the section name and the parking spot number as a combined label for each parking spot. The use of this functionality with parking sections is currently not enabled.

Drivable and walkable areas

While topologies affect recommendations on where to drive and lanes extend this information with a width, this doesn't include data regarding the area where you can drive with a car. This is important information for automated driving assistants. For example, you need to be able to drive to a parking spot, but that is never part of a lane. However, cars should never enter certain pedestrian-only areas, such as stairs, escalators, bathrooms, offices, and areas nearby these areas as they are reserved for pedestrians only.

The solution to this problem is to use spaces with the accessCharacteristics attribute. The hall in a parking garage where parking spots are located and where the lanes are, is a space of type DRIVABLE_HALLWAY with an accessCharacteristics list having values of VEHICLE and PEDESTRIAN, as drivers and passengers are allowed to walk to and from their cars. The areas where cars should never enter do not have VEHICLE as the characteristic, but can have either the value PEDESTRIAN or NONE. There are also spaces without the characteristic, but those are typically objects, and not real physical spaces. Also, if there is, for example, a drive ramp where pedestrians should not enter, the list contains only VEHICLE.

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