User:Voludu2/How to split View history

(beginning to edit otto's work.)
 
(15 intermediate revisions by the same user not shown)
Line 1: Line 1:
This is under development, and has not been checked for accuracy.
This is under development, and has not been checked for accuracy.
Please do not rely on any information you find in this document.
Please do not rely on any information you find in this document.
__TOC__


== how to divide a road==
==otto's  instructions==
These instructions have been designed to preserve traffic and address information, and transfer it from the original 2-way road to the divided 1-way roads. It is important NOT to create new segments for the divided road in order to use the information that is already there. Please follow these steps in order for each segment to divided. If there are house numbers on the segment to be divided, you will need to do things that can only be done by level 3 and higher editors.
based on [http://docs.google.com/presentation/d/1m8jgfYzGK_SxauaRtcmJvo5ScCfc81-TIbH23YmoxSU/edit#slide=id.p4 ottonomy's presentation at the 2014 NE meetup in NYC]
 
   
;Choose a segment to divide
Before you begin, check with your state manager or regional coordinator. If you do this right, you will preserve all the [[User:Voludu2/Traffic_data|traffic information waze uses for routing]] and all the house numbers.  If you do it wrong, you will erase the traffic data permanently and have to create all the addresses by hand. Follow these instructions carefully and in the correct order.
:[[Creating_and_editing_road_segments#Cut_a_segment_to_create_a_new_junction|Cut it in half to create a new junction]] and save. (illustration)
 
;Move house numbers
:Next, move the house numbers to the correct segment. Use the [[https://wiki.waze.com/wiki/House_number#Activating_the_interface|Edit House Numbers]] button (or ({{key press|Shift|H}}) to start the house number interface. Click on a house number. Find


;Add a geo node to each segment
;Step One Decide how much of the road needs to be divided,
:and how much you can do in one session. It would be disastrous to have the road partially disconnected at the moment waze [http://status.waze.com/ uploaded data to the routing servers]. Plan ahead, in case your editing session gets interrupted.  Don't try to do more than 4 or 5 intersections in one session.


;Connect the segment to the intersection
;Step Two Make sure that you have the required editing level
* bow tie
: for EVERY segment you plan to divide -- and every segment connected to each of those. You may not be able to set turns properly if any of these are locked above your level. Ask for help getting everything unlocked before you begin.
* H/box intersection
* complications -- turn lanes/ramps/AGCs


;Checking your work.
;Step Three Scout for House Numbers.  
:({{key press|Shift|Z}})
:Select a segment of the existing road, Use the [[House_number#Activating_the_interface|Edit House Numbers]] button (or {{key press|Shift|H}}) to start the house numbers window. Use {{key press|Shift|I}} to turn the satellite layer on and off.


;Scout for Turn, U-turn and segment restrictions -- bow tie vs square intersection.
:Make note of all restricted (red arrow ) and and time based restriction turns, as well as segment restrictions.  Check the U-turn restrictions at the intersections. Decide, based on these restrictions, whether bow-tie or square (H or box) junction is most appropriate at each intersection.


==otto's  instructions==
;Step Four [[Create_road#Cut_a_segment_to_create_a_new_junction|Cut the segments of road to be divided]]
How to properly divide roads in WME
: to create a new junction in each one, but leave them attached. You can cut the segment wherever it will create the least work for moving addresses around in step six.


Changing an existing road from single two-way segments to double one-way segments is a process which has the potential to accidentally erase valuable data if done hastily. Road segments which have been driven by Wazers contain complex historical records of the speeds they have been traveled at various times of day. For this reason, it is very important to use the existing segments of a road when dividing it, rather than creating new ones which have no history for Waze to use when routing. There are also often house numbers which need to be preserved and properly positioned when the process is complete. Keeping this data intact requires careful planning and attention to many steps carried out in the optimal order.
;Step Five Decide which halves of your freshly cut segments  
:are going to represent which sides of the divided road. And don't separate them yet. Waze stores traffic information for passing from any segment to each segment it is connected to.  So Plan to leave as many segments as possible connected to as many of their original junctions as possible -- see the alternating pattern illustration below. And STILL don't separate the segments.


Step One: Determine the extent of the division, and decide how much of it should be done at a time. Because dividing is a complicated process, and it’s disastrous to leave roads disconnected, it’s best not to try dividing too long a stretch of road all at once, in case your editing session is interrupted for some reason. If there are only four or five intersections along where the road needs to be divided, it may be good to tackle the whole length at once, but ten or more is probably too much.
;Step Six Reposition the Stop Points of the House Numbers.
:Open the house number interface (:{{key press|Shift|H}}) select house numbers one at a time, and move their Stop Points to the appropriate halves of the segments you cut in the last step. One at a time, click on house number. You'll see it attached by a dotted line to the white stop point on the street segment. Move the stop point to the correct portion of your newly-cut segment. Later, you will need to move them all again.


Step Two: Make sure that you have the required editing level for EVERY segment connected to any part of the stretch of road you plan to divide. Even one connected segment above your editing rank may prevent you from making necessary connections or setting turn restrictions properly. If you will need something unlocked, get that help before you begin.
;detach
:Separate segments at the center


Step Three: Scout for House Numbers. Select a segment of the existing road, and press H to bring up the House Number interface. It is often much easier to spot house numbers when the Satellite Imagery layer is turned off. You can toggle the imagery on and off even while viewing house numbers by pressing Shift-I. If there are house numbers, take note of how they are distributed. This may help you make decisions in the next step, where you will be cutting existing segments into the pieces which will be used for the new one-way halves of the road.
[[File:DividingRoad.jpg|caption=Alternating pattern (for traffic-on-right country) preserves as much straight-through and turn data as possible.]]


Step Four: Cut the segments of road which will be divided, but do not separate them yet. Cutting a segment means adding a junction somewhere between its two ends.
;prepare to attach
:If you will be using bow tie intersections -- add a geometry node near the free end.


This can be done to a selected segment in one click with the help of a browser add-on such as WME Toolbox, but in some cases the manual method is preferred, because it allows you to place the junction just where you want it. If the house numbers on a segment are not evenly distributed between the two sides of the road, you may want to locate the junction in a spot which requires less work in the next step. To manually add a junction to a segment, you temporarily create a new road segment and connect one of its ends at the spot where you want to create a junction in the other segment, then delete the temporary one, or move it to the next place you need to make a junction.
;attach
:if you are using a bow tie junction, attach the loose end at  the existing junction
:if you are using a square junction, attach loose ends on cross street next to existing junction, creating a new junction.


Next, decide which halves of your freshly cut segments are going to represent which sides of the divided road, but if there are house numbers, don’t separate them yet. Because some of the historical speed data stored in segments relates directly to which directions Wazers have turned when leaving the segments, it is a good idea to leave as many segments as possible connected to their original junctions. If you use an alternating pattern, at least two segments can stay connected at each intersection.
;set turn arrows
:use the notes you made above, as well as the information still available at the junctions to set the arrows properly for every segment at the junction.


Step Six: Reposition the Stop Points of the House Numbers. Open the house number interface, select house numbers one at a time, and move their Stop Points to the appropriate halves of the segments you cut in the last step.
;adjust geometry
:at each bow tie junction -- check all turn angles. See junction style guide and controlling turn commands.  Make sure that drivers continuing straight through the intersection will not get a "turn" command.
:at each square intersection -- refer to u-turn avoidance guidelines to make sure the cross-bar length is set to allow or disallow turn-then-immediate-turn routing <link>


The Stop Point for a house number is revealed on its associated segment only when you have selected that particular  house number. It’s represented by a white dot on the segment, and connected to the house number by a dotted line. This white dot is what you need to move to the appropriate section of the segment, not the house number itself, which can stay put on top of its building. When the road division is complete, these stop points will need to be relocated in their appropriate positions.
;Check your work.
:{{key press|Shift|Z}}
:street view
:ask an experienced editor to check your work -- preferably the state or country manager who approved the split.

Latest revision as of 22:51, 9 January 2015

This is under development, and has not been checked for accuracy. Please do not rely on any information you find in this document.

otto's instructions

based on ottonomy's presentation at the 2014 NE meetup in NYC

Before you begin, check with your state manager or regional coordinator. If you do this right, you will preserve all the traffic information waze uses for routing and all the house numbers. If you do it wrong, you will erase the traffic data permanently and have to create all the addresses by hand. Follow these instructions carefully and in the correct order.

Step One Decide how much of the road needs to be divided,
and how much you can do in one session. It would be disastrous to have the road partially disconnected at the moment waze uploaded data to the routing servers. Plan ahead, in case your editing session gets interrupted. Don't try to do more than 4 or 5 intersections in one session.
Step Two Make sure that you have the required editing level
for EVERY segment you plan to divide -- and every segment connected to each of those. You may not be able to set turns properly if any of these are locked above your level. Ask for help getting everything unlocked before you begin.
Step Three Scout for House Numbers.
Select a segment of the existing road, Use the Edit House Numbers button (or Shift+H) to start the house numbers window. Use Shift+I to turn the satellite layer on and off.
Scout for Turn, U-turn and segment restrictions -- bow tie vs square intersection.
Make note of all restricted (red arrow ) and and time based restriction turns, as well as segment restrictions. Check the U-turn restrictions at the intersections. Decide, based on these restrictions, whether bow-tie or square (H or box) junction is most appropriate at each intersection.
Step Four Cut the segments of road to be divided
to create a new junction in each one, but leave them attached. You can cut the segment wherever it will create the least work for moving addresses around in step six.
Step Five Decide which halves of your freshly cut segments
are going to represent which sides of the divided road. And don't separate them yet. Waze stores traffic information for passing from any segment to each segment it is connected to. So Plan to leave as many segments as possible connected to as many of their original junctions as possible -- see the alternating pattern illustration below. And STILL don't separate the segments.
Step Six Reposition the Stop Points of the House Numbers.
Open the house number interface (: Shift+H) select house numbers one at a time, and move their Stop Points to the appropriate halves of the segments you cut in the last step. One at a time, click on house number. You'll see it attached by a dotted line to the white stop point on the street segment. Move the stop point to the correct portion of your newly-cut segment. Later, you will need to move them all again.
detach
Separate segments at the center

caption=Alternating pattern (for traffic-on-right country) preserves as much straight-through and turn data as possible.

prepare to attach
If you will be using bow tie intersections -- add a geometry node near the free end.
attach
if you are using a bow tie junction, attach the loose end at the existing junction
if you are using a square junction, attach loose ends on cross street next to existing junction, creating a new junction.
set turn arrows
use the notes you made above, as well as the information still available at the junctions to set the arrows properly for every segment at the junction.
adjust geometry
at each bow tie junction -- check all turn angles. See junction style guide and controlling turn commands. Make sure that drivers continuing straight through the intersection will not get a "turn" command.
at each square intersection -- refer to u-turn avoidance guidelines to make sure the cross-bar length is set to allow or disallow turn-then-immediate-turn routing <link>
Check your work.
Shift+Z
street view
ask an experienced editor to check your work -- preferably the state or country manager who approved the split.