private void AddThematicLegendItems(DemographicStyleBuilder styleBuilder, LegendAdornmentLayer legendAdornmentLayer, Map map)
{
ShapeFileFeatureLayer statesLayer = map.DynamicOverlay.Layers["usStatesLayer"] as ShapeFileFeatureLayer;
ClassBreakStyle thematicStyle = (ClassBreakStyle)styleBuilder.GetStyle(statesLayer.FeatureSource);
for (int i = 0; i < thematicStyle.ClassBreaks.Count; i++)
{
LegendItem legendItem = new LegendItem();
if (i < thematicStyle.ClassBreaks.Count)
{
legendItem.ImageStyle = thematicStyle.ClassBreaks[i].DefaultAreaStyle;
legendItem.ImageWidth = 20;
legendItem.TextRightPadding = 5;
legendItem.RightPadding = 5;
string text = string.Empty;
if (i != thematicStyle.ClassBreaks.Count - 1)
{
text = string.Format("{0:#,0.####} ~ {1:#,0.####}",
DemographicStyleTextFormatter.GetFormatedStringForLegendItem(thematicStyle.ColumnName, thematicStyle.ClassBreaks[i].Value),
DemographicStyleTextFormatter.GetFormatedStringForLegendItem(thematicStyle.ColumnName, thematicStyle.ClassBreaks[i + 1].Value));
}
else
{
text = string.Format("> {0:#,0.####}",
DemographicStyleTextFormatter.GetFormatedStringForLegendItem(thematicStyle.ColumnName, thematicStyle.ClassBreaks[i].Value));
}
legendItem.TextStyle = new TextStyle(text, new GeoFont("Segoe UI", 10), new GeoSolidBrush(GeoColor.SimpleColors.Black));
}
legendAdornmentLayer.LegendItems.Add(legendItem);
}
}
private void AddValueCircleLegendItems(DemographicStyleBuilder styleBuilder, LegendAdornmentLayer legendAdornmentLayer, Map map)
{
ShapeFileFeatureLayer statesLayer = map.DynamicOverlay.Layers["usStatesLayer"] as ShapeFileFeatureLayer;
ValueCircleStyle valueCircleStyle = (ValueCircleStyle)styleBuilder.GetStyle(statesLayer.FeatureSource);
int[] circleAreas = new int[] { 160, 320, 640, 1280 };
foreach (int circleArea in circleAreas)
{
LegendItem legendItem = new LegendItem();
double radius = Math.Sqrt(circleArea / Math.PI);
legendItem.ImageStyle = new PointStyle(PointSymbolType.Circle, new GeoSolidBrush(valueCircleStyle.InnerColor), new GeoPen(new GeoSolidBrush(valueCircleStyle.OuterColor)), (int)(radius * 2));
AreaStyle maskStyle = new AreaStyle(new GeoPen(GeoColor.StandardColors.LightGray, 1), new GeoSolidBrush(GeoColor.SimpleColors.Transparent));
legendItem.ImageMask = maskStyle;
legendItem.ImageWidth = 48;
legendItem.TextTopPadding = 16;
legendItem.TextRightPadding = 5;
legendItem.BottomPadding = 16;
legendItem.TopPadding = 16;
legendItem.RightPadding = 5;
double drawingRadius = circleArea / valueCircleStyle.DrawingRadiusRatio * valueCircleStyle.BasedScale / valueCircleStyle.DefaultZoomLevel.Scale;
double ratio = (valueCircleStyle.MaxValidValue - valueCircleStyle.MinValidValue) / (valueCircleStyle.MaxCircleAreaInDefaultZoomLevel - valueCircleStyle.MinCircleAreaInDefaultZoomLevel);
double resultValue = (drawingRadius - valueCircleStyle.MinCircleAreaInDefaultZoomLevel) * ratio + valueCircleStyle.MinValidValue;
string text = DemographicStyleTextFormatter.GetFormatedStringForLegendItem(valueCircleStyle.ColumnName, resultValue);
legendItem.TextStyle = new TextStyle(text, new GeoFont("Segoe UI", 10), new GeoSolidBrush(GeoColor.SimpleColors.Black));
legendAdornmentLayer.LegendItems.Add(legendItem);
}
}
private void AddDotDensityLegendItems(DemographicStyleBuilder styleBuilder, LegendAdornmentLayer legendAdornmentLayer, Map map)
{
ShapeFileFeatureLayer statesLayer = map.DynamicOverlay.Layers["usStatesLayer"] as ShapeFileFeatureLayer;
CustomDotDensityStyle dotDensityStyle = (CustomDotDensityStyle)styleBuilder.GetStyle(statesLayer.FeatureSource);
int[] pointCounts = new int[] { 5, 10, 20, 50 };
foreach (int pointCount in pointCounts)
{
LegendItem legendItem = new LegendItem();
legendItem.ImageMask = new AreaStyle(new GeoPen(GeoColor.StandardColors.LightGray, 1), new GeoSolidBrush(GeoColor.SimpleColors.Transparent));
legendItem.ImageWidth = 48;
legendItem.TextTopPadding = 16;
legendItem.TextRightPadding = 5;
legendItem.BottomPadding = 16;
legendItem.TopPadding = 16;
legendItem.RightPadding = 5;
CustomDotDensityStyle legendDotDensityStyle = (CustomDotDensityStyle)dotDensityStyle.CloneDeep();
legendDotDensityStyle.DrawingPointsNumber = pointCount;
legendItem.ImageStyle = legendDotDensityStyle;
string text = string.Format(CultureInfo.InvariantCulture, "{0:0.####}", DemographicStyleTextFormatter.GetFormatedStringForLegendItem(dotDensityStyle.ColumnName, (pointCount / dotDensityStyle.PointToValueRatio)));
legendItem.TextStyle = new TextStyle(text, new GeoFont("Segoe UI", 10), new GeoSolidBrush(GeoColor.SimpleColors.Black));
legendAdornmentLayer.LegendItems.Add(legendItem);
}
}