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'use strict';
var BuoyAnalysisMap = {
/**
*
*/
reticle: {
stations: [],
x: 200,
y: 300,
scale: d3.scale.linear()
.domain([0, 100])
.range([20, 350])
},
/**
*
*/
projection: d3.geo.mercator()
.center([-122, 37.5])
.scale(2600)
.translate([BuoyAnalysisData.mapW / 2, BuoyAnalysisData.mapH / 2]),
/**
*
*/
drawMap: function() {
var path = d3.geo.path().projection(BuoyAnalysisMap.projection);
d3.select('#map svg').append("path")
.datum(topojson.feature(BuoyAnalysisData.mapJson, BuoyAnalysisData.mapJson.objects._map))
.attr('d', path)
.classed('feature', true)
},
/**
*
*/
drawStations: function() {
var tmp;
var station;
var stations = [];
var colors = [
'#f00',
'#d00',
'#b00',
'#900',
'#700',
'#0f0',
'#0d0',
'#0b0',
'#090',
'#070',
'#00f',
'#00d',
'#00b',
'#009',
'#007',
];
for (var prop in BuoyAnalysisData.stationJson) {
station = BuoyAnalysisData.stationJson[prop];
tmp = BuoyAnalysisMap.projection([station.lon, station.lat]);
station.x = tmp[0];
station.y = tmp[1];
stations.push(station);
}
d3.select("#map svg").selectAll('circle')
.data(stations)
.enter().append('circle')
.attr('cx', function(d) { return d.x; })
.attr('cy', function(d) { return d.y; })
.attr('r', 3)
.attr('id', function(d) { return 's' + d.id; })
.attr('stroke', function(d, i) { return colors[i]; })
// .attr('stroke', '#f00')
.attr('stroke-width', 5)
},
/**
*
*/
drawReticle: function() {
var r = BuoyAnalysisMap.reticle.scale(d3.select('.reticle-sizer').property('value'));
d3.select("#map svg").append('circle')
.attr('r', r)
.attr('fill', 'rgba(200, 200, 200, 0.5)')
.attr("transform", "translate(" + BuoyAnalysisMap.reticle.x + "," + BuoyAnalysisMap.reticle.y + ")")
.data([ {"x": BuoyAnalysisMap.reticle.x, "y": BuoyAnalysisMap.reticle.y } ])
.classed('reticle', true);
},
/**
*
*/
findStationsUnderReticle: function() {
var reticle = d3.select('.reticle');
var dX, dY, squares, distance, station;
var stations = [];
for (var s in BuoyAnalysisData.stationJson) {
station = BuoyAnalysisData.stationJson[s];
dX = reticle.data()[0].x - station.x;
dY = reticle.data()[0].y - station.y;
squares = Math.pow(dX, 2) + Math.pow(dY, 2)
distance = Math.pow(squares, 0.5);
if (distance < reticle.attr('r')) {
stations.push(s);
}
};
BuoyAnalysisMap.reticle.stations = stations;
}
};