public static void GetMaxMinNum(GeoFeature geoFeature,
out double maxLongitude, out double minLongitude,
out double maxLatitude, out double minLatitude,
out double width, out double height)
{
maxLongitude = 0;
minLongitude = 0;
maxLatitude = 0;
minLatitude = 0;
width = Math.Abs(maxLongitude - minLongitude);
height = Math.Abs(maxLatitude - minLatitude);
if (geoFeature == null)
{
return;
}
var points = geoFeature.AllPoints;
maxLongitude = points.Max(p => p.Longitude);
minLongitude = points.Min(p => p.Longitude);
maxLatitude = points.Max(p => p.Latitude);
minLatitude = points.Min(p => p.Latitude);
width = Math.Abs(maxLongitude - minLongitude);
height = Math.Abs(maxLatitude - minLatitude);
}
public static List <string> ConvertToMapSharpe(this GeoFeature geoFeature,
double minLongitude, double maxLatitude,
int accuracy = 3)
{
var results = new List <string>();
if (geoFeature.Geometry == null)
{
return(results);
}
else if (geoFeature.Geometry.Polygons == null || geoFeature.Geometry.Polygons.Count == 0)
{
return(results);
}
var i = 0;
foreach (var polygon in geoFeature.Geometry.Polygons)
{
results.AddRange(polygon.ConvertToMapSharpe(geoFeature.Properties.Id, i, geoFeature.Properties.Name,
minLongitude, maxLatitude, accuracy));
i++;
}
return(results);
}
public static void SaveAsXml(this GeoFeature geoFeature, string fileName, int accuracy = 3)
{
var results = geoFeature.ConvertToXml();
using (var fs = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
using (var sw = new StreamWriter(fs))
{
foreach (var result in results)
{
sw.WriteLine(result);
}
}
}
}
public static List <string> ConvertToXml(this GeoFeature geoFeature, int accuracy = 3)
{
var k = Math.Pow(10, accuracy);
var results = new List <string>();
GetMaxMinNum(geoFeature,
out _, out var minLongitude,
out var maxLatitude, out _,
out var width, out var height);
width *= k;
height *= k;
results.AddRange(new[]
{
"<LiveChartsMap xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " +
"xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">",
$"<Height>{(int) height}</Height>",
$"<Width>{(int) width}</Width>"
});
results.Add("<Shapes>");
results.AddRange(geoFeature.ConvertToMapSharpe(minLongitude, maxLatitude, accuracy));
if (geoFeature.ChildrenFeatures != null)
{
foreach (var feature in geoFeature.ChildrenFeatures)
{
results.AddRange(feature.ConvertToMapSharpe(minLongitude, maxLatitude, accuracy));
}
}
results.Add("</Shapes>");
results.Add("</LiveChartsMap>");
return(results);
}
