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Make intersection backwards compatible

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For `depart` and `arrive` `step.intersections[0].{bearings|entry}` will have
only one entry.
This commit is contained in:
Patrick Niklaus
2016-05-18 17:53:05 +02:00
parent 3b37769624
commit 95af72c70c
10 changed files with 272 additions and 235 deletions
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docs/http.md
+8 -1
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@@ -377,7 +377,7 @@ Represents a route between two waypoints.
- `duration`: The estimated travel time, in `float` number of seconds.
- `summary`: Summary of the route taken as `string`. Depends on the `steps` parameter:
| summary | |
| steps | |
|--------------|-----------------------------------------------------------------------|
| true | Names of the two major roads used. Can be empty if route is too short.|
| false | empty `string` |
@@ -464,6 +464,12 @@ step.
### StepManeuver
#### Properties
- `location`: A `[longitude, latitude]` pair describing the location of the turn.
- `bearing_before`: The clockwise angle from true north to the
direction of travel immediately before the maneuver.
- `bearing_after`: The clockwise angle from true north to the
direction of travel immediately after the maneuver.
- `type` A string indicating the type of maneuver. **new identifiers might be introduced without API change**
Types unknown to the client should be handled like the `turn` type, the existance of correct `modifier` values is guranteed.
@@ -517,6 +523,7 @@ step.
| `type` | Description |
|------------------------|---------------------------------------------------------------------------------------------------------------------------|
| `roundabout` | Number of the roundabout exit to take. If exit is `undefined` the destination is on the roundabout. |
| else | Indicates the number of intersections passed until the turn. Example instruction: `at the fourth intersection, turn left` |
New properties (potentially depending on `type`) may be introduced in the future without an API version change.