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Best map editing practice

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Parking Lots: Overhaul per US Champs
=== Parking Lots ===
{{mbox | type=important | text = {{As of | 2018 | 10}}, guidance changed to recommend more detailed mapping of Parking Lot roads, in those lots which should be mapped. There is no priority to adapt existing lots to the new standards, unless working on or near the lot for other reasons or there is guidance from a senior editor to pursue it.}}
Mapping the roads inside parking lots serves the following purposes:# It allows Waze to provide door-to-door directions to Places within the lot.# It allows Waze to recognize that the client is off the main road, avoiding erroneous traffic reports.# The '''[[Road typesRoad_types#Parking_lot_road|Parking Lot Road|parking lot roads]] in a ''' road type prevents routes from transiting the lots to other destinations.# It allows Waze to calculate estimated times for walking from the parking lot serves three purposes:to destinations, and to calculate walking times for users leaving Places near the lot.# Increasing the number of segments inside parking could reduce the likelihood of instructions that use names from nearby named streets.
*it allows Waze For information on how to provide door-to-door directions within map '''Parking Lot Area (PLA) Places''', see the [[Places/Parking_lot]] page. Parking lot;*it allows Waze roads are not limited to recognize that the client is off the main roaduse with PLAs, avoiding erroneous traffic reports.*using the special road type prevents Waze from routing traffic through the parking lotthough they are best used in combination.
For marking The '''Parking Lot Road''' type exists to allow proper navigation into and out of parking lots while discouraging routes through parking lots with places see the information on the [[Places/Parking lot|. Waze applies a penalty to routes which transition from Parking Lot Place type]]Road to other road types. Parking This transition penalty decreases the chances that Waze will route through a parking lot roads are not limited as a shortcut, but doesn't interfere with navigation to use with the or from points within parking lots parking lots. Avoid mixing road types within a parking lot place so as to avoid triggering the transition penalty unnecessarily. See [[Road_types#Parking_lot_roads]] for more information on this road type, though they are often used together.
The Parking Lot Road {{mbox | type exists to allow the mapping of = neweditor | text = A reminder that all roads, including parking lotslot roads, while discouraging must have a city name applied or the routing server from using them ‘None’ checkbox must be checked for through navigation. Waze applies a [[Routing penalties|transition penalty]] for leaving a Parking Lot Road segment to enter another both city name and road typename. This penalty decreases If RPPs are used along the chance that Waze will route through a parking lot as a shortcut but allows better navigation in and out of a parking lot. It is advised not , be sure to mix road types within a parking lot include the primary city name according to avoid triggering state guidelines and any appropriate alternative city names for the addresses in the transition penalty unnecessarilynearby RPPs.}}
==== Shopping Centers Large Parking Lots ====When mapping large parking lots, map each aisle of the parking lot. Add any appropriate turn restrictions, one-way segments, etc., as you would with any road.
When mapping a large On any two-way segment which travels directly along perpendicular parking lot (espaces, set the U-turns at either end of the segment to Allowed.gThis enables the routing server to implicitly direct the user to exit their parking spot in the optimal direction.Typically aisles for angled parking are one-way, at a shopping center) consider mapping only the following:and U-turns are not available. In rare cases, angled two-way parking may occur, and in this case, u-turns should be Prohibited.
*Main entrances from the roads outside the parking lot{| class="wikitable" style="margin: auto;"|-| [[File:AngleParking.jpg]] || [[File:PerpendicularParking.jpg]]*Lanes that run along storefronts|-*Lanes at the edge of the lot which run alongside public roads (prevents Wazers in the | PLR aisles with perpendicular parking || PLR aisles with angled parking area from "snapping" to the public road, and then sending it incorrect speed information)*Primary travel lanes that serve to get people from one area of the lot to another|}
Remember, the goals here are usability and simplicity==== Parking Garages ==== [[File:ParkingGaragePLRs. When in doubt, imagine yourself in jpg|thumb|right|PLRs for a car in Parking Garage]] Parking garages should not have each lane visible on the lot at various pointsuppermost parking level mapped. Instead, each entry and ask yourself what the most efficient way would be to get to a store at the other end of the lot, or to exit the lot and get back on a main road, with should be mapped as few convolutions one-way or two-way as possibleappropriate. The lanes that are used the most in this thought experiment should be mapped {{As of | 2018 | 10}}, with the rest being omitted. You can turn on the GPS points layer ([[Shortcut key]] Shift-G) to see where traffic is concentrated to get a sense of what needs mapping.<brPlaces/>[[File:ParkingLotRoad ShoppingCenter.pngParking_lot|714pxParking Lot Areas (“PLA”)]] In particular, '''do not''' map every single lanesupport multiple entries. For this reason, connect the entry and especially not every exit road segments to a single parking space (it has been done!)segment, with the PLA’s entry point set along that segment. This serves no purpose but allows Waze to choose the best entry to clutter the map, confuse directions, and put an unnecessary burden garage depending on both the client and server hardware. Remember usability and simplicity are #1. Your editing time and expertise can be better used elsewhere in the maproute’s starting location.
==== Small Parking Lots ====
[[File:OneWayPairPLR.jpg|right|frame|Using a single two-way segment to approximate two one-way aisles]] For small lots, if there is only one entrance and one exit, or if there are multiple entrances/exits near to each other on the same road, then it may not be necessary to add PLRs at all, especially if the entrances and exits are on a divided or one-way road (so there's effectively only one way in and one way out). Small parking lots should be mapped if:
# there are entrances/exits to the lot on more than one street;
# there are nearby PLRs that might cause a user to be snapped to the wrong lot;
# the Place served is a gas station or has a drive-thru.
Parking lots that serve a If the small number lot is on at the corner of businesses should be minimal: enough to give two or more non-PLR roads, the driver correct directions into and out value of the lot, and navigate should be carefully weighed against the damage to a particular business(turn timing) done by adding nodes near an intersection. Very small lots with one entrance and one exit could even be represented by a single segment running through Consider if the parking area (either addition of a diagonal across the lot if it connects [[Junction Box]] is needed to roads on each side, or a single, flattened curve for strip mall-style lots with entrances and exit along the same road)resolve data collection concerns..
To permit a route to be given to exit If it is determined that PLRs are desirable in a small parking lot from , then follow the same point the instructions as when mapping a large lot. However, in cases where a small store-front parking lot was enteredhas a pair of one-way aisles, such at at a ‘strip mall’, [[Turn_restrictions#Uit is acceptable to use a single two-turns|way road segment that approximates the location of both aisles. In this case, enable the u-turns]] may be enabled at the ends on either end of the parking lot road. This is particularly relevant where a single parking lot segment connects two different street segments such as is common for many corner [[Places/Gas_Station|gas stations]], so users traveling in either aisle will get efficient routes.
==== Drive-Through Lots ====