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51 lines
2.1 KiB
Markdown
51 lines
2.1 KiB
Markdown
Mapbender bends a map along a path.
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Example execution:
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./mapbender.py Weser-Radweg-Hauptroute.csv 0.286 6 20
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The openstreetmap map of the Weser area is currently hardcoded. Upon execution
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it will show the path given in Weser-Radweg-Hauptroute.csv on the map in a
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matplotlib plot. It will show the approximated b-spline with the given
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smoothing factor (6 above) and the map section of the given width (0.286 above)
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around that curve. The area will be split into sections (20 in the example)
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which will individually be transformed into rectangles which are also plotted.
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On Debian systems you need the following packages:
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apt-get install python python-pil python-scipy python-tk python-matplotlib python-numpy
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how to setup postgresql+postgis locally without root
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----------------------------------------------------
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/usr/lib/postgresql/14/bin/initdb -D /tmp/postgres
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/usr/lib/postgresql/14/bin/postgres --port=5433 --unix_socket_directories=/tmp/postgres -D /tmp/postgres &
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/usr/lib/postgresql/14/bin/createdb --port=5433 --host=/tmp/postgres gis
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/usr/lib/postgresql/14/bin/psql --port=5433 --host=/tmp/postgres gis -c 'CREATE EXTENSION postgis;' -c 'CREATE EXTENSION hstore;'
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osm2pgsql --port=5433 --host=/tmp/postgres -d gis --create --slim -G --hstore --tag-transform-script /tmp/openstreetmap-carto/openstreetmap-carto.lua -S /tmp/openstreetmap-carto/openstreetmap-carto.style ~/Downloads/map.xml
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/usr/lib/postgresql/14/bin/psql --port=5433 --host=/tmp/postgres gis -f /tmp/openstreetmap-carto/indexes.sql
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openstreetmap-carto:
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scripts/get-external-data.py --port=5433 --host=/tmp/postgres
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diff --git a/project.mml b/project.mml
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index 7fb3d47..d8014f8 100644
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--- a/project.mml
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+++ b/project.mml
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@@ -27,6 +27,8 @@ _parts:
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osm2pgsql: &osm2pgsql
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type: "postgis"
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dbname: "gis"
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+ port: "5433"
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+ host: "/tmp/postgres"
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key_field: ""
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geometry_field: "way"
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extent: "-20037508,-20037508,20037508,20037508"
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# the database connection settings are part of the style xml!
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carto project.mml > mapnik.xml
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nik4 --url https://www.openstreetmap.org/\#map\=12/49.7731/9.6726 /tmp/openstreetmap-carto/mapnik.xml screenshot.svg
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