Initial commit

This commit is contained in:
Markus Koch 2020-04-14 18:10:19 +02:00
commit be1dc049d6
7 changed files with 274 additions and 0 deletions

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.gitignore vendored Normal file
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tiles/**/

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index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>LinuxWorks Minetest Map (unofficial)</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.6.0/dist/leaflet.css" integrity="sha512-xwE/Az9zrjBIphAcBb3F6JVqxf46+CDLwfLMHloNu6KEQCAWi6HcDUbeOfBIptF7tcCzusKFjFw2yuvEpDL9wQ==" crossorigin=""/>
<script src="https://unpkg.com/leaflet@1.6.0/dist/leaflet.js" integrity="sha512-gZwIG9x3wUXg2hdXF6+rVkLF/0Vi9U8D2Ntg4Ga5I5BZpVkVxlJWbSQtXPSiUTtC0TjtGOmxa1AJPuV0CPthew==" crossorigin=""></script>
</head>
<body style="position: absolute; padding: 0px; margin: 0px; width:100%; height:100%;">
<div id="mapid" style="width: 100%; height: 100%;"></div>
<style>
.leaflet-tooltip.city-names {
background-color: transparent;
border: transparent;
box-shadow: none;
font-weight: bold;
font-size: 14pt;
opacity:1.0;
color: white;
text-shadow: 0px 0px 5px black;
}
</style>
<script>
// Projection fix from: https://gis.stackexchange.com/questions/200865/leaflet-crs-simple-custom-scale
var factorx = 1/256 * 4;
var factory = factorx;
var originx = 7000;
var originy = 7000;
var zoom_level_real = 6;
L.CRS.pr = L.extend({}, L.CRS.Simple, {
projection: L.Projection.LonLat,
transformation: new L.Transformation(factorx, factorx * originx, -factory, factory * originy),
scale: function(zoom) {
return Math.pow(2, zoom);
},
zoom: function(scale) {
return Math.log(scale) / Math.LN2;
},
distance: function(latlng1, latlng2) {
var dx = latlng2.lng - latlng1.lng,
dy = latlng2.lat - latlng1.lat;
return Math.sqrt(dx * dx + dy * dy);
},
infinite: true
});
// Init map
var mymap = L.map('mapid', {
crs: L.CRS.pr
}).setView([0, 0], 6);
var mapheight = 16384;
var mapwidth = mapheight;
var sw = mymap.unproject([0, 0], zoom_level_real);
var ne = mymap.unproject([mapwidth, mapheight], zoom_level_real);
var layerbounds = new L.LatLngBounds(sw, ne);
function load_svg() {
var xhttp_ps = new XMLHttpRequest();
xhttp_ps.onreadystatechange = function() {
if (this.readyState == 4) {
if (this.status == 200) {
var svgElement = document.createElementNS("http://www.w3.org/2000/svg", "svg");
svgElement.setAttribute('xmlns', "http://www.w3.org/2000/svg");
svgElement.setAttribute('viewBox', "0 0 16384 16384");
svgElement.innerHTML = xhttp_ps.responseText;
var svgElementBounds = [ [ 85, -180 ], [ -77, 127 ] ];
var overlayMaps = {"SVG (broken)": L.svgOverlay(svgElement, svgElementBounds)};
L.control.layers({}, overlayMaps).addTo(mymap);
} else {
alert("Error: Could not load SVG map layer.");
}
}
};
xhttp_ps.open("GET", "/manual2.svg", true);
xhttp_ps.send();
}
function load_satellite() {
var satellite = L.tileLayer('tiles/?id={id}&z={z}&x={x}&y={y}', {
maxZoom: 8,
maxNativeZoom: 6,
minNativeZoom: 0,
minZoom: 0,
noWrap: true,
attribution: 'Map data &copy; <a href="https://wiki.linux-forks.de/mediawiki/index.php/Maps">Linux-Forks</a>, ' +
'All rights reserved, ',
id: 'world-2020-04-09',
tileSize: 256,
zoomOffset: 0,
opacity: 1.0,
bounds: layerbounds
});
var baseMaps = {
"Satellite": satellite
};
var overlayMaps = {};
// This is the only baseMap right now, so no need to show the selection dialog
// L.control.layers(baseMaps, overlayMaps).addTo(mymap);
satellite.addTo(mymap);
}
function load_geojson() {
var xhttp_ps = new XMLHttpRequest();
xhttp_ps.onreadystatechange = function() {
if (this.readyState == 4) {
if (this.status == 200) {
var geojson = L.geoJSON(JSON.parse(xhttp_ps.responseText), {
onEachFeature: function (feature, layer) {
label = String(feature.properties.name)
layer.bindPopup(
'<h1><a href="https://wiki.linux-forks.de/mediawiki/index.php/'+feature.properties.name+'">'+feature.properties.name+'</a> ('+feature.geometry.coordinates+')</h1>'+
'<p><img style="width:100%" src="' + feature.properties.image + '"></p>' +
'<p>'+feature.properties.description+'</p>'
);
layer.bindTooltip(label, {permanent: true, direction: "center", className: "city-names"}).openTooltip();
}/*,
pointToLayer: function(feature,latlng){
label = String(feature.properties.name)
return new L.CircleMarker(latlng, {
radius: 1,
}).bindTooltip(label, {permanent: true, direction: "center", opacity: 0.7}).openTooltip();
}*/
}).addTo(mymap);
L.control.layers({}, {"Cities": geojson}).addTo(mymap);
geojson.addTo(mymap);
} else {
alert("Error: Could not load geojson map layer (cities).");
}
}
};
xhttp_ps.open("GET", "./geojson/cities.json", true);
xhttp_ps.send();
}
load_satellite();
//load_svg();
load_geojson();
L.control.scale().addTo(mymap);
var popup = L.popup();
function onMapClick(e) {
popup
.setLatLng(e.latlng)
.setContent("You clicked the map at " + e.latlng.toString())
.openOn(mymap);
}
mymap.on('click', onMapClick);
</script>
</body>
</html>

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scripts/convert_maps.sh Executable file
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#!/bin/bash
# Convert a huge .png file into smaller chunks for LeafletJS.
#
# Copyright (C) 2020 Markus Koch <markus@notsyncing.net>
#
# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
# You can obtain a copy of the license at https://mozilla.org/MPL/2.0/.
# TODO: The width of the input png has to be a multiple of TILESIZE, otherwise bad things will happen.
# Workaround for now is to add white borders on the bottom and right:
# `convert $MAPFILE -extent ${crop}x${crop} -gravity NorthWest $MAPFILE.scaled.png`
TILESIZE=256
MAPNAME="world-2020-04-09"
MAPFILE="../$MAPNAME.png"
width=`file "$MAPFILE" | sed -n "s/.* \([0-9]\+\) x \([0-9]\+\).*/\1/p"`
crop=$TILESIZE
zoom=0
while true; do
out="$MAPNAME/$zoom"
tempfile=$out/temp.png
echo ""
echo "Generating maps for zoomlevel $zoom to $out..."
mkdir -p $out;
if [ ! -f "$tempfile" ]; then
if [ $crop -ge $width ]; then
echo " Reached max zoom at zoomlevel $zoom [using original zoom]"
cp $MAPFILE $tempfile
#convert $MAPFILE -extent ${crop}x${crop} -gravity NorthWest $tempfile
else
echo " Scaling map for zoomlevel $zoom"
convert $MAPFILE -resize ${crop}x${crop} $tempfile
fi
else
echo " Reusing existing scaled image"
fi
echo " Generating tiles..."
convert $tempfile -crop ${TILESIZE}x${TILESIZE} +adjoin $out/%05d.png
rm $tempfile
if [ $crop -ge $width ]; then
break;
fi
crop=$(($crop * 2))
zoom=$(($zoom + 1))
done;

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[
{ "type": "Feature", "properties": { "name": "Anju Crossing", "amenity": "City", "description": "Anju Crossing is {{Player|Anju64}}'s settlement, located north of [[Spawn]].", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e//250px-" }, "geometry": { "type": "Point", "coordinates": [-337, 403] } },
{ "type": "Feature", "properties": { "name": "Crossroads", "amenity": "City", "description": "Crossroads is a city built by {{Player|Ywang}} and some contributors.", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e//250px-" }, "geometry": { "type": "Point", "coordinates": [1771, 991] } },
{ "type": "Feature", "properties": { "name": "Fatamorgan City", "amenity": "City", "description": "Fatamorgan City is a hamlet situated south of [[Newton]].", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e/Fatamorgan_aerial.jpeg/250px-Fatamorgan_aerial.jpeg" }, "geometry": { "type": "Point", "coordinates": [-742, -1421] } },
{ "type": "Feature", "properties": { "name": "Neverbuild", "amenity": "City", "description": "Neverbuild is an city founded in the Lava/Savannah biome.", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e/Neverbuild_panorama.png/250px-Neverbuild_panorama.png" }, "geometry": { "type": "Point", "coordinates": [1350, 1940] } },
{ "type": "Feature", "properties": { "name": "Origin", "amenity": "City", "description": "Origin is a coastal city built around the world origin of coordinates, managed by {{Player|Felfa}}.", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e//250px-" }, "geometry": { "type": "Point", "coordinates": [0, 0] } },
{ "type": "Feature", "properties": { "name": "Personhood", "amenity": "City", "description": "Personhood is a major city in the northeast of the map and the previous beginner area.", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e/Personhood.png/250px-Personhood.png" }, "geometry": { "type": "Point", "coordinates": [1532, 2971] } },
{ "type": "Feature", "properties": { "name": "Riverside", "amenity": "City", "description": "Riverside is a city located south of [[Spawn]].", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e//250px-" }, "geometry": { "type": "Point", "coordinates": [-600, -787] } },
{ "type": "Feature", "properties": { "name": "South Forest", "amenity": "City", "description": "South Forest is a former noob town managed by {{Player|dhausmig}}; it was the first noob town.", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e//250px-" }, "geometry": { "type": "Point", "coordinates": [285, -2045] } },
{ "type": "Feature", "properties": { "name": "Spawn", "amenity": "City", "description": "Spawn is the capital of the Linux Works minetest server world.", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e//250px-" }, "geometry": { "type": "Point", "coordinates": [-675, -496] } },
{ "type": "Feature", "properties": { "name": "Stallmangrad", "amenity": "City", "description": "", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e/Stallmangrad_dec_2018.png/250px-Stallmangrad_dec_2018.png" }, "geometry": { "type": "Point", "coordinates": [1896, -2205] } },
{ "type": "Feature", "properties": { "name": "Trisiston", "amenity": "City", "description": "", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e/Trisiston_rathaus.png/250px-Trisiston_rathaus.png" }, "geometry": { "type": "Point", "coordinates": [-4250, -3130] } },
{ "type": "Feature", "properties": { "name": "X Nihilo City", "amenity": "City", "description": "X Nihilo City is a ghost town in the far north of the map, at the end of the [[X Nihilo Mainline]].", "image": "https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e/File:XNihilo.png/250px-File:XNihilo.png" }, "geometry": { "type": "Point", "coordinates": [2246, 5942] } },
{}]

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scripts/geojson/fetch_cities.sh Executable file
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#!/bin/bash
json=`curl 'https://wiki.linux-forks.de/mediawiki/api.php?action=query&format=json&list=categorymembers&cmtitle=Category:City&cmlimit=100'`
cities=`echo "$json" | json_reformat | sed -n 's/.*"title":\s*"\([^"]*\).*/\1/p' | tr ' ' '_' | tr '\n' ' '`
echo "["
for city in $cities; do
./fetch_single.sh "$city"
done
echo "{}]"

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scripts/geojson/fetch_single.sh Executable file
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#!/bin/bash
json=`curl "https://wiki.linux-forks.de/mediawiki/api.php?action=query&prop=revisions&rvprop=content&format=json&titles=$1&rvsection=0&rvslots=main" | sed -s "s/\\\\\\\\n//g"`
title=`echo $json | sed -n 's/.*"title":\s*"\([^"]\+\).*/\1/p'`
image=`echo "$json" | sed -n "s/.*image = \([^|]*\).*/\1/p"`
coords=`echo "$json" | sed -n "s/.*coordinates = {{Co|\([^}]*\).*/\1/p"`
coord_x=`echo "$coords" | sed -n "s/\([^|]\+\).*/\1/p"`
coord_y=`echo "$coords" | sed -n "s/.*|\([^|]\+\).*/\1/p"`
description=`echo $json | sed -n "s/.*coordinates.*[^']*'''\([^']*\)'''\([^\.]*\).*/\1\2./p"
`
if [[ "$coord_x" != "" && "$coord_y" != "" ]]; then
echo "{\
\"type\": \"Feature\",\
\"properties\": {\
\"name\": \"$title\",\
\"amenity\": \"City\",\
\"description\": \"$description\",\
\"image\": \"https://wiki.linux-forks.de/mediawiki/images/thumb/0/0e/$image/250px-$image\"\
},\
\"geometry\": {\
\"type\": \"Point\",\
\"coordinates\": [$coord_x, $coord_y]\
}\
},"
fi

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<?php
?>