This rulefile helps maptool to produce a navit-binfile which only has about 1/3 of the normal file size.

maptool_convert_simplified.sh

#!/bin/bash

maptool -P -i $1 --rule-file=$PWD/maptool_rules_simplified --ignore-unknown $2

maptool_rules_simplified

?	addr:housenumber=*	house_number
?	aeroway=aerodrome	poi_airport
?	aeroway=airport		poi_airport
?	aeroway=helipad		poi_heliport
?	aeroway=terminal	poi_airport
?	amenity=atm		poi_atm
?	amenity=bank		poi_bank
?	amenity=bar		poi_bar
n	amenity=bench		poi_bench
?	amenity=bicycle_rental	poi_bicycle_rental
?	amenity=bicycle_parking	poi_bicycle_parking
?	amenity=biergarten	poi_biergarten
?	amenity=bus_station	poi_bus_station
?	amenity=cafe		poi_cafe
?	amenity=car_sharing	poi_car_sharing
?	amenity=car_wash	poi_car_wash
?	amenity=cinema		poi_cinema
?	amenity=college		poi_school_college
?	amenity=courthouse	poi_justice
?	amenity=drinking_water	poi_potable_water
?	amenity=fast_food	poi_fastfood
?	amenity=fire_station	poi_firebrigade
?	amenity=fountain	poi_fountain
?	amenity=fuel		poi_fuel
?	amenity=grave_yard	poi_cemetery
?	amenity=hospital	poi_hospital
?	amenity=hunting_stand	poi_hunting_stand
?	amenity=kindergarten	poi_kindergarten
?	amenity=library		poi_library
?	amenity=nightclub	poi_nightclub
?	amenity=park_bench	poi_bench
?	amenity=parking		poi_car_parking
?	amenity=pharmacy	poi_pharmacy
?	amenity=place_of_worship,religion=christian	poi_church
?	amenity=place_of_worship			poi_worship
?	amenity=police		poi_police
?	amenity=post_box	poi_post_box
?	amenity=post_office	poi_post_office
?	amenity=prison		poi_prison
?	amenity=pub		poi_pub
?	amenity=public_building	poi_public_office
?	amenity=recycling	poi_recycling
?	amenity=restaurant,cuisine=fine_dining		poi_dining
?	amenity=restaurant				poi_restaurant
?	amenity=school		poi_school
?	amenity=shelter		poi_shelter
?	amenity=taxi		poi_taxi
?	amenity=tec_common	tec_common
?	amenity=telephone	poi_telephone
?	amenity=theatre		poi_theater
?	amenity=toilets		poi_restroom
?	amenity=townhall	poi_townhall
?	amenity=university	poi_school_university
?	amenity=vending_machine	poi_vending_machine
n	barrier=bollard		barrier_bollard
n	barrier=cycle_barrier	barrier_cycle
n	barrier=lift_gate	barrier_lift_gate
?	car=car_rental		poi_car_rent
?	highway=bus_station	poi_bus_station
?	highway=bus_stop	poi_bus_stop
n	highway=mini_roundabout	mini_roundabout
n	highway=motorway_junction	highway_exit
n	highway=stop		traffic_sign_stop
n	highway=toll_booth	poi_toll_booth
n	highway=traffic_signals	traffic_signals
n	highway=turning_circle	turning_circle
?	historic=boundary_stone	poi_boundary_stone
?	historic=castle		poi_castle
?	historic=memorial	poi_memorial
?	historic=monument	poi_monument
?	historic=ruins		poi_ruins
n	historic=archaeological_site	poi_archaeological_site
?	landuse=cemetery	poi_cemetery
?	leisure=fishing		poi_fish
?	leisure=golf_course	poi_golf
?	leisure=marina		poi_marine
?	leisure=playground	poi_playground
?	leisure=slipway		poi_boat_ramp
?	leisure=sports_centre	poi_sport
?	leisure=stadium		poi_stadium
?	man_made=tower		poi_tower
?	military=airfield	poi_military
?	military=barracks	poi_military
?	military=bunker		poi_military
?	military=danger_area	poi_danger_area
?	military=range		poi_military
?	natural=bay		poi_bay
?	natural=peak,ele=*		poi_peak
?	natural=tree		poi_tree
n	place=city		town_label_2e5
n	place=hamlet		town_label_2e2
n	place=locality		town_label_2e0
n	place=suburb		district_label
n	place=town		town_label_2e4
n	place=village		town_label_2e3
n	power=tower		power_tower
n	power=sub_station	power_substation
n	railway=halt		poi_rail_halt
n	railway=level_crossing	poi_level_crossing
?	railway=station		poi_rail_station
?	railway=tram_stop	poi_rail_tram_stop
?	shop=baker		poi_shop_baker
?	shop=bakery		poi_shop_baker
?	shop=beverages		poi_shop_beverages
?	shop=bicycle		poi_shop_bicycle
?	shop=butcher		poi_shop_butcher
?	shop=car		poi_car_dealer_parts
?	shop=car_repair		poi_repair_service
?	shop=clothes		poi_shop_apparel
?	shop=convenience	poi_shop_grocery
?	shop=chemist		poi_shop_drugstore
?	shop=florist		poi_shop_florist
?	shop=fruit		poi_shop_fruit
?	shop=furniture		poi_shop_furniture
?	shop=garden_centre	poi_shop_handg
?	shop=hardware		poi_shop_handg
?	shop=hairdresser	poi_hairdresser
?	shop=kiosk		poi_shop_kiosk
?	shop=optician		poi_shop_optician
?	shop=parfum		poi_shop_parfum
?	shop=photo		poi_shop_photo
?	shop=shoes		poi_shop_shoes
?	shop=supermarket	poi_shopping
?	shop=mall               poi_mall
?	sport=10pin		poi_bowling
?	sport=baseball		poi_baseball
?	sport=basketball	poi_basketball
?	sport=climbing		poi_climbing
?	sport=golf		poi_golf
?	sport=motor_sports	poi_motor_sport
?	sport=skiing		poi_skiing
?	sport=soccer		poi_soccer
?	sport=stadium		poi_stadium
?	sport=swimming		poi_swimming
?	sport=tennis		poi_tennis
?	tourism=attraction	poi_attraction
?	tourism=camp_site	poi_camp_rv
?	tourism=caravan_site	poi_camp_rv
?	tourism=guest_house	poi_guesthouse
?	tourism=hostel		poi_hostel
?	tourism=hotel		poi_hotel
?	tourism=information	poi_information
?	tourism=motel		poi_motel
?	tourism=museum		poi_museum_history
?	tourism=picnic_site	poi_picnic
?	tourism=theme_park	poi_resort
?	tourism=viewpoint	poi_viewpoint
?	tourism=zoo		poi_zoo
n	natural=cave_entrance      poi_cave
n	traffic_sign=city_limit	traffic_sign_city_limit
n	highway=speed_camera	tec_common
w	addr:interpolation=even	house_number_interpolation_even
w	addr:interpolation=odd	house_number_interpolation_odd
w	addr:interpolation=all	house_number_interpolation_all
w	addr:interpolation=alphabetic	house_number_interpolation_alphabetic
w	aerialway=cable_car	lift_cable_car
w	aerialway=chair_lift	lift_chair
w	aerialway=drag_lift	lift_drag
w	aeroway=runway		aeroway_runway
w	aeroway=taxiway		aeroway_taxiway
w	boundary=administrative,admin_level=2	border_country
w	boundary=civil		border_civil
w	boundary=national_park	border_national_park
w	boundary=political	border_political
w	contour_ext=elevation_major	height_line_1
w	contour_ext=elevation_medium	height_line_2
w	contour_ext=elevation_minor	height_line_3
w	highway=bridleway	bridleway
w	highway=bus_guideway	bus_guideway
w	highway=construction	street_construction
w	highway=cyclepath	cycleway
w	highway=cycleway	cycleway
w	highway=footway		footway
w	highway=footway,piste:type=nordic	footway_and_piste_nordic
w	highway=living_street	living_street
w	highway=minor		street_1_land
w	highway=parking_lane	street_parking_lane
w	highway=path				path
w	highway=path,bicycle=designated		cycleway
w	highway=path,bicycle=official		cycleway
w	highway=path,bicycle=designated,foot=designated		cycleway
w	highway=path,bicycle=official,foot=official		cycleway
w	highway=path,foot=designated		footway
w	highway=path,foot=official		footway
w	highway=path,horse=designated		bridleway
w	highway=path,horse=official		bridleway
w	highway=path,sac_scale=alpine_hiking			hiking_alpine
w	highway=path,sac_scale=demanding_alpine_hiking		hiking_alpine_demanding
w	highway=path,sac_scale=demanding_mountain_hiking	hiking_mountain_demanding
w	highway=path,sac_scale=difficult_alpine_hiking		hiking_alpine_difficult
w	highway=path,sac_scale=hiking				hiking
w	highway=path,sac_scale=mountain_hiking			hiking_mountain
w	highway=pedestrian			street_pedestrian
w	highway=motorway			highway_land
w	highway=motorway,rural=0		highway_city
w	highway=motorway_link			ramp
w	highway=trunk				street_n_lanes
w	highway=trunk_link			ramp
w	highway=primary				street_4_land
w	highway=primary,name=*,rural=1		street_4_land
w	highway=primary,name=*			street_4_city
w	highway=primary,rural=0			street_4_city
w	highway=primary_link			ramp
w	highway=secondary			street_3_land
w	highway=secondary,name=*,rural=1	street_3_land
w	highway=secondary,name=*		street_3_city
w	highway=secondary,rural=0		street_3_city
w	highway=secondary_link			ramp
w	highway=tertiary			street_2_land
w	highway=tertiary,name=*,rural=1		street_2_land
w	highway=tertiary,name=*			street_2_city
w	highway=tertiary,rural=0		street_2_city
w	highway=tertiary_link			ramp
w	highway=residential			street_1_city
w	highway=unclassified			street_1_city
w	highway=road				street_1_city
w	highway=service				street_service
w	highway=service,service=parking_aisle	street_parking_lane
w	highway=track				track_gravelled
w	highway=track,surface=grass		track_grass
w	highway=track,surface=gravel		track_gravelled
w	highway=track,surface=ground		track_ground
w	highway=track,surface=paved		track_paved
w	highway=track,surface=unpaved		track_unpaved
w	highway=track,tracktype=grade1		track_paved
w	highway=track,tracktype=grade2		track_gravelled
w	highway=track,tracktype=grade3		track_unpaved
w	highway=track,tracktype=grade4		track_ground
w	highway=track,tracktype=grade5		track_grass
w	highway=track,surface=paved,tracktype=grade1		track_paved
w	highway=track,surface=gravel,tracktype=grade2		track_gravelled
w	highway=track,surface=unpaved,tracktype=grade3		track_unpaved
w	highway=track,surface=ground,tracktype=grade4		track_ground
w	highway=track,surface=grass,tracktype=grade5		track_grass
w	highway=unsurfaced			track_gravelled
w	highway=steps				steps
w	waterway=canal		water_canal
w	waterway=drain		water_drain
w	waterway=river		water_river
w	waterway=stream		water_stream