diff options
| -rw-r--r-- | resources/map.js | 56 |
1 files changed, 52 insertions, 4 deletions
diff --git a/resources/map.js b/resources/map.js index abc362f..acb1322 100644 --- a/resources/map.js +++ b/resources/map.js @@ -1,3 +1,40 @@ +function getDataURIForRegion(self, region) { + var dataURI = "data:text/csv,"; + dataURI += "Name,Size of Catchment Area,Population of Catchment Area%0A"; + + _.each(self.amenities["hospital"], function(amenity) { + var catchmentArea = self.catchmentAreas[amenity.id]; + var settlements = catchmentArea.settlements; + + var format = new OpenLayers.Format.GeoJSON; + + var sumOfDistances = 0; + var maxDistance = 0; + + var healthCenterGeo = format.parseGeometry(catchmentArea.geometry); + + _.each(catchmentArea.settlements, function (settlement) { + var settlementGeo = format.parseGeometry(catchmentArea.geometry); + }); + + var openLayersGeo = format.parseGeometry(catchmentArea.geometry); + + var areaInSquareMeters = openLayersGeo.getGeodesicArea(); + + var population = 0; + var numberOfSettlementsWithoutPopulation = 0; + + _.each(settlements, function(settlement) { + if (typeof settlement.properties.population != "undefined") { + population += parseInt(settlement.properties.population); + }}); + + dataURI += amenity.properties["name"] + "," + areaInSquareMeters +"," + population +"%0A"; + }); + + return dataURI; +} + function initMap(self) { self.tileLayer = L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', { maxZoom: 18, @@ -10,7 +47,8 @@ function initMap(self) { layers: [self.tileLayer], }).setView([12.4822, -11.9463], 11); - self.amenities = ["hospital", "doctors", "dentist"]; + self.amenitiesShown = ["hospital", "doctors", "dentist"]; + self.amenities = {}; self.amenityLayers = {}; // contains the layers for each amenity type self.catchmentAreas = {}; @@ -147,6 +185,8 @@ function displayMap(self, map) { weight: 10}; }, onEachFeature: function(feature, layer) { + self.amenities[amenity].push(feature); + var center; if (feature.geometry.type === "Point") { layer.options.icon = hospitalIcon; @@ -240,6 +280,14 @@ function displayMap(self, map) { var query = createQueryData(bbox); + if (typeof self.amenities != "undefined") { + console.log(getDataURIForRegion(self, "region")); + } + self.amenities = {}; + _.each(self.amenitiesShown, function(amenity) { + self.amenities[amenity] = []; + }); + // Convert the data to GeoJSON self.converter.fetch("http://overpass-api.de/api/interpreter", query, zoom, function(data) { if (jQuery.isEmptyObject(self.amenityLayers)) { @@ -261,12 +309,12 @@ function displayMap(self, map) { // Now deal with the catchment areas self.catchmentAreaLayer = createCatchmentAreaLayer(data); - _.each(self.amenities, function(amenity, i) { + _.each(self.amenitiesShown, function(amenity, i) { self.amenityLayers[amenity] = createAmenityLayer(data, amenity); map.addLayer(self.amenityLayers[amenity]); self.layersControl.addOverlay(self.amenityLayers[amenity], - self.amenities[i].charAt(0).toUpperCase() + self.amenities[i].slice(1)); + self.amenitiesShown[i].charAt(0).toUpperCase() + self.amenitiesShown[i].slice(1)); }); map.addLayer(self.catchmentAreaLayer); @@ -275,7 +323,7 @@ function displayMap(self, map) { self.catchmentAreaLayer.clearLayers(); self.catchmentAreaLayer.addData(data); - _.each(self.amenities, function(amenity, i) { + _.each(self.amenitiesShown, function(amenity, i) { // Update the data for each amenity layer self.amenityLayers[amenity].clearLayers(); self.amenityLayers[amenity].addData(data); |