private void Refresh()
{
ShapefileLayer areaLayer = Map1.FindLayer <ShapefileLayer>("countries-900913");
if (areaLayer == null)
{
return;
}
areaLayer.Styles.Clear();
ClassBreakStyle classBreakStyle = ClassBreakStyle.Create(columnName, 281396894, 5000000, 11, DimensionType.Area, colorFamily, new GeoColor(50, 100, 200, 150), 0.01f);
classBreakStyle.ClassBreaks[0].Value = 0;
areaLayer.Styles.Add(classBreakStyle);
LegendTitleTextBlock.Text = "The population of countries";
ClassBreak[] classBreaks = classBreakStyle.ClassBreaks.OrderBy(i => i.Value).ToArray();
for (int i = 0; i < classBreaks.Length; i++)
{
ClassBreak fromClassBreak = classBreaks[i];
ClassBreak toClassBreak = i + 1 < classBreaks.Length ? classBreaks[i + 1] : null;
foreach (var style in fromClassBreak.Styles)
{
if (toClassBreak != null)
{
style.Name = $"{(fromClassBreak.Value / 1000000).ToString("N0")} ~ {(toClassBreak.Value / 1000000).ToString("N0")} million";
}
else
{
style.Name = $">= {(fromClassBreak.Value / 1000000).ToString("N0")} million";
}
}
}
LegendView.Update(classBreaks.SelectMany(i => i.Styles));
Map1.Refresh(RefreshType.Redraw);
}
private void Map1_Loaded(object sender, RoutedEventArgs e)
{
Map1.MapUnit = GeoUnit.Meter;
Map1.UseOpenStreetMapAsBaseMap();
GridLayer gridLayer = new GridLayer("SampleData/gridfile-900913.grd");
GridFileSource gridSource = (GridFileSource)gridLayer.Source;
var cellValues = gridSource.GetDistinctCellValues();
cellValues.Sort();
ClassBreakStyle style = ClassBreakStyle.Create("CellValue", cellValues.Last(), cellValues.First(), 8, DimensionType.Area, GeoColorFamily.Hue, GeoColors.Red, 1f);
style.Margin = 25;
gridLayer.Styles.Add(style);
LayerOverlay layerOverlay = new LayerOverlay();
layerOverlay.Layers.Add(gridLayer);
Map1.Overlays.Add(layerOverlay);
Map1.ZoomTo(gridLayer.GetBound());
}
