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Map offset #32

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c6630b7
add offset to center map different
JensHH Oct 25, 2017
861a517
new mapLatOffset and mapLngOffset
JensHH Oct 25, 2017
f91c2ff
mapLatOffset and mapLngOffset for config.json
JensHH Oct 25, 2017
9d57f34
" instead of '
JensHH Oct 25, 2017
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4 changes: 4 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,10 @@ Change this to match your communities' name. It will be used in various places.
This affects the initial scale of the map. Greater values will show a larger
area. Values like 1.0 and 0.5 might be good choices.

## mapLatOffset and mapLngOffset (float)

Normally the center of your map is calculated by the geo coordinates of your nodes. If you want to center the map slightly different, you can use mapLatOffset and mapLngOffset. A value of 0 will center the map as normal. Value can be negativ.

## showContact (bool)

Setting this to `false` will hide contact information for nodes.
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2 changes: 2 additions & 0 deletions config.json.example
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Expand Up @@ -2,6 +2,8 @@
"dataPath": "https://map.luebeck.freifunk.net/data/",
"siteName": "Freifunk Lübeck",
"mapSigmaScale": 0.5,
"mapLatOffset": 0.1,
"mapLngOffset": -0.1,
"showContact": true,
"maxAge": 14,
"mapLayers": [
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4 changes: 2 additions & 2 deletions lib/map.js
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Expand Up @@ -321,8 +321,8 @@ define(["map/clientlayer", "map/labelslayer",
if (nodes.length === 0)
return undefined

var lats = nodes.map(function (d) { return d.latitude })
var lngs = nodes.map(function (d) { return d.longitude })
var lats = nodes.map(function (d) { return d.latitude + config.mapLatOffset })
var lngs = nodes.map(function (d) { return d.longitude + config.mapLngOffset })

var barycenter = L.latLng(d3.median(lats), d3.median(lngs))
var barycenterDev = [d3.deviation(lats), d3.deviation(lngs)]
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