public static void Main()
{
XNamespace svgNamespace = "http://www.w3.org/2000/svg";
IEnumerable<XElement> elements;
using (CoffeeEntities entities = new CoffeeEntities())
{
IEnumerable<CoffeeShop> coffeeShops = entities.CoffeeShops;
double maxLatitude = coffeeShops.Max(cs => cs.Location.Latitude);
double minLongitude = coffeeShops.Min(cs => cs.Location.Longitude);
var coordinates = coffeeShops
.OrderBy(cs => cs.Location.Latitude)
.ThenBy(cs => cs.Location.Longitude)
.Select(cs => new
{
X = (cs.Location.Longitude - minLongitude) * LongitudeScaleFactor * DistanceMultiplier,
Y = (cs.Location.Latitude - maxLatitude) * -1 * LatitudeScaleFactor * DistanceMultiplier,
})
.ToList();
elements = coordinates
.Select(c => new XElement(svgNamespace + "circle",
new XAttribute("cx", c.X),
new XAttribute("cy", c.Y),
new XAttribute("r", Radius),
new XAttribute("style", string.Format("fill:{0};opacity:{1}", Color, Opacity))));
}
XObject[] childObjects = new XObject[] { new XAttribute("version", "1.1") }
.Concat(elements)
.ToArray();
XDocument xDoc = new XDocument(
new XDeclaration("1.0", null, "no"),
new XDocumentType("svg", "-//W3C//DTD SVG 1.1//EN", "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd", null),
new XElement(svgNamespace + "svg", elements));
using (XmlWriter writer = XmlWriter.Create(FileName, new XmlWriterSettings
{
Indent = true,
}))
{
xDoc.Save(writer);
}
}
public void Run()
{
CoffeeEntities entities = new CoffeeEntities();
DbSet<CoffeeShop> coffeeShops = entities.CoffeeShops;
this.ClearDatabase(coffeeShops);
entities.SaveChanges();
SearchArea searchArea = new SearchArea
{
SouthwestCorner = new Coordinate
{
latitude = (double)MinLatitude,
longitude = (double)MinLongitude,
},
NortheastCorner = new Coordinate
{
latitude = (double)MaxLatitude,
longitude = (double)MaxLongitude,
}
};
SearchResult result = this._coffeeSearcher.Search(searchArea).Result;
if (result.Error != null)
{
throw new Exception(result.Error.Description);
}
else
{
foreach (CoffeeShop shop in result.Results)
{
coffeeShops.Add(shop);
}
entities.SaveChanges();
}
}