OpenStreetMap response to the April 25 Earthquake in Nepal

var options = {
	name: 'overviewmap',
	height: '330px',
	width: '500px',
	containerStyle: 'float: left;',
	popupStyle: 'basic',
	popupData: 'description',
	zoom: '6',
	data: {
    "type": "FeatureCollection",
    "features": [
     {
      "type": "Feature",
      "properties": {
        "description": "Epicenter of 7.8 Magnitude Earthquake on April 25"
        },
       "geometry": {
         "type": "Point",
         "coordinates": [
           85.7266,
           27.732
         ]
       }
     }
    ]
  }
 }

+-

Leaflet

var baseurl = '/data/www/nepal-live/'
var date = new Date()
var current_hour = date.getFullYear()+"_"+(date.getMonth()+1)+"_"+date.getDate()+"_"+date.getHours()
var baseurl_live = baseurl + '/' + current_hour
var months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]
var prettyDate = months[date.getMonth()] + " " + date.getDate() + " " +date.getHours() + ":00"

var total_mappers = _.values(osmdata(baseurl + 'json/total_user_count.json'))[0]
// var experienced_mappers = _.values(osmdata(baseurl + 'json/experienced_user_count.json'))[0]
var new_mappers = _.values(osmdata(baseurl + 'json/new_user_count.json'))[0]

var options = {
	chartType: 'linegraph_simple', width:1200, id: 'PerHour'
}
var changesets = osmdata(baseurl+'json/changesets_x_hour.json')
var hourly_changesets = []
var totalChangesets = 0
var hourlyUsers = []
var cumulativeUsers = []
var cumulativeUserIds = []
for (var i=0; i < changesets.length; i ++) {
	if (new Date(changesets[i].start_date) > new Date('2015-04-25 14:00:00 +0000') && new Date(changesets[i].start_date) < (new Date(2015,4,13)).getTime()) {
		hourly_changesets[i] = {}
		hourly_changesets[i].date = changesets[i].start_date
		hourly_changesets[i].value = changesets[i].objects.length
		totalChangesets += changesets[i].objects.length

		uniqueUsers = _.uniq(_.collect(changesets[i].objects, 'uid'))

		hourlyUsers[i] = {}
		hourlyUsers[i].date = changesets[i].start_date
		hourlyUsers[i].value = uniqueUsers.length
	}
}

var toPlot = [
			  {id: 'cSets',    title: "Changesets",   data: _.compact(hourly_changesets)},
			  {id: 'actUsers', title: "Active Users", data: _.compact(hourlyUsers)}
			 ]

User Contributions

In the month following the earthquake, over 5,055 mappers made more than 111,683 edits to the map. At least 3,544 of these mappers were new to OpenStreetMap.

Changesets Per Hour

//Another comment

UTC/GMT Time

var baseurl = '/data/www/nepal/'
var options = {headers: ["Tag", "Count"]}

// Highways
var highways_per_tag = osmdata(baseurl + 'json/number_of_highways_per_tag.json')
var totalHighways = 0
var highwayTable = []
var options = {headers:['Tag', 'Count']}
highways_per_tag.forEach(function(d){
	highwayTable.push([d.tag, d.count])
	totalHighways = totalHighways + d.count
})

// Buildings
var buildings_per_tag = osmdata(baseurl + 'json/number_of_buildings_per_tag.json')
var buildingsTable = []
var buildingCount = 0
var options = {headers:['Tag', 'Count']}
buildings_per_tag.forEach(function(d){
	buildingsTable.push([d.tag, d.count])
	buildingCount = buildingCount + d.count
})

// Changesets
var changesets_per_tag = osmdata(baseurl + 'json/number_of_changesets_per_tag.json')
var changesetTable = []
var changesetCount = 0
var options = {headers:['Tag', 'Count']}
changesets_per_tag.forEach(function(d){
	changesetTable.push([d.tag, d.count])
	changesetCount = changesetCount + d.count
})

// Ways
var ways_per_tag = osmdata(baseurl + 'json/number_of_ways_per_tag.json')
var wayTable = []
var wayCount = 0
var options = {headers:['Tag', 'Count']}
ways_per_tag.forEach(function(d){
	wayTable.push([d.tag, d.count])
	wayCount = wayCount + d.count
})


//#Latest Contribution Activity
//##Since the top of the hour: {{ prettyDate }} UTC


//var experienced_mappers = _.values(osmdata(baseurl_live + '/json/experienced_user_count.json'))[0]
//var new_mappers = _.values(osmdata(baseurl_live + '/json/new_user_count.json'))[0]

//New Mappers: {{ new_mappers }} | Experienced Mappers: {{ experienced_mappers }}


//var userList = osmdata(baseurl_live+ '/json/user_list.json')
//var userTable = []
//var ops = {headers:["User","Node Count", "Way Count", "Changeset Count"], row_function:'showUserEditsFromRows'}

//userList.forEach(function(user){
//	userTable.push([user.user, user.nodes, user.ways, user.changesets])
//})
//ops.title="userTable"
//

//
{{ osmviz.table('full', userTable, ops) }}
{{osmviz.map('user_contributions', {name: "UserContributions", height: 550, width: 700, path: '/nepal-live/'+current_hour}) }}

Initial HOT Task Tag Counts

These impressive numbers represent just the initial HOT tasks created for the response.

//where I had to add a comment