private void AddThematicLegendItems(LegendAdornmentLayer legendAdornmentLayer)
{
ClassBreakStyle thematicStyle = (ClassBreakStyle)CurrentStyleBuilder.GetStyles(mapModel.DefaultFeatureLayer.FeatureSource)[0];
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.####}",
TextFormatter.GetFormatedStringForLegendItem(thematicStyle.ColumnName, thematicStyle.ClassBreaks[i].Value),
TextFormatter.GetFormatedStringForLegendItem(thematicStyle.ColumnName, thematicStyle.ClassBreaks[i + 1].Value));
}
else
{
text = string.Format("> {0:#,0.####}",
TextFormatter.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 AddDotDensityLegendItems(LegendAdornmentLayer legendAdornmentLayer)
{
CustomDotDensityStyle dotDensityStyle = (CustomDotDensityStyle)CurrentStyleBuilder.GetStyles(mapModel.DefaultFeatureLayer.FeatureSource)[0];
// Here we generate 4 legend items, for 5, 10, 20 and 50 points seperately.
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.####}", TextFormatter.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);
}
}
private void AddValueCircleLegendItems(LegendAdornmentLayer legendAdornmentLayer)
{
ValueCircleStyle valueCircleStyle = (ValueCircleStyle)CurrentStyleBuilder.GetStyles(mapModel.DefaultFeatureLayer.FeatureSource)[0];
// Here we generate 4 legend items, with the area of 160, 320, 640 and 1280 square pixels seperately.
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 = TextFormatter.GetFormatedStringForLegendItem(valueCircleStyle.ColumnName, resultValue);
legendItem.TextStyle = new TextStyle(text, new GeoFont("Segoe UI", 10), new GeoSolidBrush(GeoColor.SimpleColors.Black));
legendAdornmentLayer.LegendItems.Add(legendItem);
}
}
public void UpdateMap()
{
Collection <Styles.Style> activeStyles = CurrentStyleBuilder.GetStyles(mapModel.DefaultFeatureLayer.FeatureSource);
mapModel.DefaultFeatureLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Clear();
foreach (var activeStyle in activeStyles)
{
mapModel.DefaultFeatureLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(activeStyle);
}
mapModel.DefaultFeatureLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
UpdateLegend(CurrentStyleBuilder, mapModel.LegendAdornmentLayer);
mapModel.MapControl.Refresh(new Overlay[] { mapModel.DemographicLayerOverlay, mapModel.MapControl.AdornmentOverlay });
}
private void AddPieGraphLegendItems(LegendAdornmentLayer legendAdornmentLayer)
{
PieZedGraphStyle zedGraphStyle = (PieZedGraphStyle)CurrentStyleBuilder.GetStyles(mapModel.DefaultFeatureLayer.FeatureSource)[0];
foreach (KeyValuePair <string, GeoColor> item in zedGraphStyle.PieSlices)
{
LegendItem legendItem = new LegendItem();
legendItem.ImageWidth = 20;
legendItem.TextRightPadding = 5;
legendItem.RightPadding = 5;
legendItem.ImageStyle = new AreaStyle(new GeoSolidBrush(item.Value));
legendItem.TextStyle = new TextStyle(item.Key, new GeoFont("Segoe UI", 10), new GeoSolidBrush(GeoColor.SimpleColors.Black));
legendAdornmentLayer.LegendItems.Add(legendItem);
}
}
