Added State of the Map talk.

This commit is contained in:
Derick Rethans
2016-09-26 09:54:45 +01:00
parent 7fe89037da
commit 2eef3f67c5
11 changed files with 93 additions and 17 deletions

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osm-progress.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<presentation css="10gen-strict.css">
<topic>OpenStreetMap</topic>
<title>Visualising Progress</title>
<event>State of the Map</event>
<location>Brussels, Belgium</location>
<date>September 23rd, 2016</date>
<speaker>Derick Rethans</speaker>
<email>osm@derickrethans.nl</email>
<twitter>derickr</twitter>
<joindin>http://derickrethans.nl/talks/osm-progress</joindin>
<slide>slides/mongodb/title.xml</slide>
<slide>slides/mongodb/me.xml</slide>
<slide>slides/map/vis-what-about.xml</slide>
<slide>slides/map/vis-first-one.xml</slide>
<slide>slides/map/vis-not-too-spectacular.xml</slide>
<slide>slides/map/vis-progress-what-does-it-show.xml</slide>
<slide>slides/map/vis-how-does-it-work.xml</slide>
<slide>slides/map/vis-prerequisites.xml</slide>
<slide>slides/map/vis-getting-data.xml</slide>
<slide>slides/map/vis-setup-replication.xml</slide>
<slide>slides/map/vis-fetching-data.xml</slide>
<slide>slides/map/vis-artwork.xml</slide>
<slide>slides/map/vis-calculate-difference.xml</slide>
<slide>slides/map/vis-render-edit-points.xml</slide>
<slide>slides/map/vis-render-maps.xml</slide>
<slide>slides/map/vis-combine-edit-points.xml</slide>
<slide>slides/map/vis-convert-images-into-movie.xml</slide>
<slide>slides/map/vis-music.xml</slide>
<slide>slides/map/vis-examples.xml</slide>
<slide>slides/map/vis-indonesia.xml</slide>
<slide>slides/mongodb/questions.xml</slide>
<slide>slides/mongodb/resources.xml</slide>
</presentation>

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<slide>
<blurb class="quote-page">Examples</blurb>
</slide>

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<bullet>You might have to tweak %configuration.txt% to get to a whole hour</bullet>
<bullet>Sometimes you get 14 or 16 minutes</bullet>
<bullet>You can either run it every 20 minutes, but I prefer to wait til the editting is over</bullet>
<bullet>You can remove any unwanted file from the %dumps% directory</bullet>
<bullet>For large areas, this can take a *lot* of time</bullet>
</list>
</slide>

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<slide>
<title>The first one, in Kensington</title>
<video filename="south-kensington-mapping.webm" align="center" width="1000" height="563"/>
</slide>

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<title>Getting the data</title>
<list>
<bullet>It is a lot easier if you do this *before* the party starts</bullet>
<bullet>I use an extract from %http://download.geofabrik.de/%</bullet>
<bullet>Create %config.txt% and change the coordinates:
<example># osmosis
bbox=left=-0.176 right=-0.115 top=51.53 bottom=51.50
<example>name=Jakarta RT Mapping, DKI Jakarta
# osmosis
bbox=left=105.22 right=108.32 top=-4.51 bottom=-7.94
poly=mali.poly
# edits, make sure LON1 &lt; LON2 and LAT1 &gt; LAT2
LON1=-0.15447
LON2=-0.13512
LAT1=51.5176
LAT2=51.5086</example>
LON1=106.50
LON2=107.05
LAT1=-5.97
LAT2=-6.49
# don't change those after you have run ./generate.sh
ZOOMINFACTOR=200
ZOOMOUTFACTOR=100
ZOOM=0
POINTS=1
GPX=0
MINUTELY=0
# Setting this to "1" means that we don't use a title for fading, but just
# from/to black.
BLACK=1
# If title overlay is set, we overlay in the right hand bottom corner the
# title. This is generated from NAME through create-artwork.sh
TITLE_OVERLAY=1
</example>
</bullet>
<bullet>Extract the part that you need:<example>
../osmosis-latest/bin/osmosis --rbf workers=3 file=great-britain-latest.osm.pbf \
../osmosis-latest/bin/osmosis --rbf workers=16 file=great-britain.osm.pbf \
--bb `cat config.txt | grep "bbox=" | cut -d "=" -f 2-` --lp --wx party.osm
</example>
</bullet>

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<slide>
<title>Example</title>
<video filename="indonesia.webm" align="center" width="1000" height="563"/>
</slide>

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<title>Music</title>
<list>
<bullet>Jamendo to find CC-BY music</bullet>
<bullet>Kevin Maclead (%https://incompetech.com/%)</bullet>
<bullet>Match length with length of video</bullet>
<bullet>There's lots of "substandard" music</bullet>
</list>
<blurb>%http://www.jamendo.com/en/search ?qs=fq=license_cc:(sa AND -nd AND -nc) &amp;q=tags_idstr:"electronic"&amp;sort=duration asc%</blurb>
<list>
<bullet>Use %mencoder% to add sound track:</bullet>
</list>
<example>mencoder -ovc copy \
-audiofile /home/derick/media/mp3/cc-by/Olga_Scotland_-_Ernst.mp3 -oac copy \
-audiofile /home/derick/media/mp3/cc-by/Artifact.mp3 -oac copy \
test.avi \
-o progress.avi</example>
</slide>

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<list>
<bullet>ImageMagick</bullet>
<bullet>PHP 5.3+ (with GD)</bullet>
<bullet>PHP 7.0+ (with GD)</bullet>
<bullet>Osmosis</bullet>
<bullet>A working Mapnik rendering stack with all the default locations and users</bullet>
<bullet>A GIT clone of<br/>%https://github.com/derickr/osm-progress.git%</bullet>
<bullet>Lots of time</bullet>
</list>
</slide>

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<slide>
<title>The progress video</title>
<title>The Newer Versions</title>
<list>
<bullet>Each node modification creates an expanding circle</bullet>
<bullet>Different colours for different contributors (mod 5 on the user id)</bullet>
<bullet>GPX tracks in the same colours as the contributir</bullet>
<bullet>GPX tracks in the same colours as the contributor</bullet>
<bullet>Auto-zoom if required</bullet>
<bullet>Some catchy music</bullet>
</list>

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<slide>
<title>What is this about?</title>
<list>
<bullet>Videos are a great way to show how mapping progresses</bullet>
<bullet>For local mapping parties, HOT events, or even for a whole country</bullet>
<bullet>I have made these videos since about 2011, and they have much improved</bullet>
</list>
</slide>