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config-example.properties
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config-example.properties
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##### Vehicles #####
# Possible options: car,foot,bike,bike2,mtb,racingbike,motorcycle (comma separated)
# bike2 takes elevation data into account (like up-hill is slower than down-hill) and requires enabling graph.elevation.provider below
graph.flag_encoders=car
# Enable turn restrictions for car or motorcycle.
# Currently you need to additionally set prepare.ch.weightings=no before using this (see below and #270)
# graph.flag_encoders=car|turn_costs=true
##### Elevation #####
# To populate your graph with elevation data use SRTM, default is noop (no elevation)
# graph.elevation.provider=srtm
# default location for cache is /tmp/srtm
# graph.elevation.cache_dir=./srtmprovider/
# If you have a slow disk or plenty of RAM change the default MMAP to:
# graph.elevation.dataaccess=RAM_STORE
#### Speed-up mode vs. flexibility mode ####
# By default the speed-up mode with the 'fastest' weighting is used. Internally a graph preparation via
# contraction hierarchies (CH) is done to speed routing up. This requires more RAM/disc space for holding the
# graph but less for every request. You can also setup multiple weightings, by providing a coma separated list.
prepare.ch.weightings=fastest
# Disable the speed-up mode. Should be use only with routing.maxVisitedNodes
# prepare.ch.weightings=no
# To make preparation faster for multiple flagEncoders you can increase the default threads if you have enough RAM.
# Change this setting only if you know what you are doing and if the default worked for you and really make sure you have enough RAM!
# prepare.threads=1
# avoid being stuck in a (oneway) subnetwork, see https://discuss.graphhopper.com/t/93
prepare.min_network_size=200
prepare.min_one_way_network_size=200
##### Routing #####
# You can define the maximum visited nodes when routing. This may result in not found connections if there is no
# connection between two points wihtin the given visited nodes. The default is Integer.MAX_VALUE. Useful for flexibility mode
# routing.max_visited_nodes = 1000000
# If enabled, allows a user to run flexibility requests even if speed-up mode is enabled. Every request then has to include a hint routing.ch.disable=true.
# Attention, non-CH route calculations take way more time and resources, compared to CH routing.
# A possible attacker might exploit this to slow down your service. Only enable it if you need it and with routing.maxVisitedNodes
# routing.ch.disabling_allowed=true
##### Web #####
# if you want to support jsonp response type you need to add it explicitely here. By default it is disabled for stronger security.
# web.jsonp_allowed=true
##### Storage #####
#
# configure the memory access, use RAM_STORE for well equipped servers (default and recommended) or MMAP_STORE_SYNC
graph.dataaccess=RAM_STORE
# if you don't need turn instruction, you can reduce storage size by not storing way names:
# datareader.instructions=false
# will write way names in the preferred language (language code as defined in ISO 639-1 or ISO 639-2):
# datareader.preferred_language=en