Restrucuture documentation to smaller parts
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@ -2,7 +2,7 @@
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parent: Features
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---
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## Elevation algorithm
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## Elevation awareness
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Elevation awareness is the most important issue in bike routing if not routing
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in a flat country. But in most routing software, elevation is either not handled
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@ -27,31 +27,3 @@ developers to implement simplifications into the routing algorithm that affect
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the quality of the routing results. BRouter always does it's best on the
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quality, but has a processing time that scales quadratic with distance, leading
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to a limit at about 150km in air-distance, which is enough for a bikers daytrip.
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### Installing the BETA Version of BRouter on an Android smartphone.
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Before trying the Android app, you should have a look one the [online
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version](/brouter-web) to see what it's doing.
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What you should also do before trying the BRouter Android app is to install, an
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get familiar with, one of the supported map-apps. This is either
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[OsmAnd](http://www.osmand.net), which is a full offline navigation solution on
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it's own, but especially it's a wonderful offline OSM map tool and is able to
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give spoken directions to routes calculated either internally or externally.
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Other options are [Locus](http://www.locusmap.eu/) or
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[OruxMaps](http://www.oruxmaps.com/index_en.html).
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The BRouter Android app assumes that at least one of OsmAnd, Locus or OruxMaps
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is installed - it will not work otherwise.
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If you are o.k. with all that, you can install the BRouter Android app from the
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[brouter_1_6_1.zip](../brouter_bin/brouter_1_6_1.zip) installation ZIP-file
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including the APK and read the [readme.txt](readme.txt) ( **READ ME !** ) for
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details on how to add routing data and navigation profiles to your installation
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and how the interfacing between BRouter and the supported map-tools works.
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Navigation profiles and the lookup-data are [here](profiles2) Routing data files
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per 5*5-degree square are [here](/brouter/segments4)
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(The Map-Snapshot date is about 2 days before the timestamp of the routing data
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files)
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@ -7,17 +7,10 @@ parent: Features
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BRouter can process via-points and nogo-areas, and [brouter-web](/brouter-web)
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offers on online interface to edit both of them.
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For offline use, nogo-areas can be defined as wayoints using a special naming
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convention. Handling of via-points during offline use depends on the mode of
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operation, see the README for details.
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NoGo-Areas are forbidden areas. In fact, these are areas, not points, with a
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default radius of 20m around the given point. Every way that is touching this
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disc of 20m radius is excluded by the routing algorithm. But the radius can also
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be specified: a waypoint `nogo` default to 20m radius, but `nogo100` defines a
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nogo area with 100m radius. Theres no limit in radius, so you can also exclude a
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whole geographic region with a single nogo-area.
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Nogo areas are useful if you encouter an obstacle that is not contained in the
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underlying map. But they can also be useful in planning alternative routes by
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excluding e.g. a certain bridge or ferry.
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For offline use, nogo-areas can be defined as wayoints using a special naming
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convention. Handling of via-points during offline use depends on the mode of
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operation, see the README for details.
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