private void cboPlacement_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (MyMap == null)
{
return;
}
ArcGISDynamicMapServiceLayer dynamicLayer =
MyMap.Layers["PopulationDynamicLayer"] as ArcGISDynamicMapServiceLayer;
LabelPlacement placment = new LabelPlacement();
switch (cboPlacement.SelectedIndex)
{
case 0:
placment = LabelPlacement.PointLabelPlacementAboveCenter;
break;
case 1:
placment = LabelPlacement.PointLabelPlacementAboveLeft;
break;
case 2:
placment = LabelPlacement.PointLabelPlacementAboveRight;
break;
case 3:
placment = LabelPlacement.PointLabelPlacementBelowCenter;
break;
case 4:
placment = LabelPlacement.PointLabelPlacementBelowLeft;
break;
case 5:
placment = LabelPlacement.PointLabelPlacementBelowRight;
break;
case 6:
placment = LabelPlacement.PointLabelPlacementCenterCenter;
break;
case 7:
placment = LabelPlacement.PointLabelPlacementCenterLeft;
break;
case 8:
placment = LabelPlacement.PointLabelPlacementCenterRight;
break;
}
foreach (LabelClass lClass in dynamicLayer.LayerDrawingOptions[0].LabelClasses)
{
lClass.LabelPlacement = placment;
}
dynamicLayer.Refresh();
}
internal static void GenerateVisibleLabels(ChartAxis axis, LabelPlacement labelPlacement)
{
{
var actualSeries =
axis.Area.VisibleSeries
.Where(series => series.ActualXAxis == axis)
.Max(filteredSeries => filteredSeries.DataCount);
actualSeries = actualSeries != null ? actualSeries : axis.Area is SfChart ? (axis.Area as SfChart).TechnicalIndicators.Where(series => series.ActualXAxis == axis)
.Max(filteredSeries => filteredSeries.DataCount) : null;
if (actualSeries == null)
{
return;
}
var visibleRange = axis.VisibleRange;
double actualInterval = axis.ActualInterval;
double interval = axis.VisibleInterval;
double position = visibleRange.Start - (visibleRange.Start % actualInterval);
int count = 0;
var isPolarRadarSeries = actualSeries is PolarRadarSeriesBase;
var isIndexed = (actualSeries is WaterfallSeries || actualSeries is HistogramSeries ||
actualSeries is ErrorBarSeries || isPolarRadarSeries) ?
true : (axis as CategoryAxis).IsIndexed;
count = isIndexed ? actualSeries.DataCount : actualSeries.DistinctValuesIndexes.Count;
for (; position <= visibleRange.End; position += interval)
{
int pos = ((int)Math.Round(position));
if (visibleRange.Inside(pos) && pos < count && pos > -1)
{
object obj = null;
obj = GetLabelContent(axis, pos, actualSeries);
axis.VisibleLabels.Add(new ChartAxisLabel(pos, obj, pos));
}
}
position = visibleRange.Start - (visibleRange.Start % actualInterval);
if (isPolarRadarSeries)
{
return;
}
for (; position <= visibleRange.End; position += 1)
{
if (labelPlacement != LabelPlacement.BetweenTicks)
{
continue;
}
if (position == 0 && (axis.VisibleRange.Inside(-0.5)))
{
axis.m_smalltickPoints.Add(-0.5);
}
AddBetweenTicks(axis, position, 1d);
}
}
}
public static Point GetLabelOffset(LabelPlacement placement)
{
switch (placement) {
case LabelPlacement.Top:
return new Point(0, 0.5);
case LabelPlacement.Bottom:
return new Point(0, -0.5);
case LabelPlacement.Left:
return new Point(-0.5, 0);
default:
return new Point(0.5, 0);
}
}
/**
* Constructs a new DatabaseRenderer.
*
* @param mapDatabase
* the MapDatabase from which the map data will be read.
*/
public DatabaseRenderer(MapDatabase mapDatabase)
{
this.mapDatabase = mapDatabase;
this.canvasRasterer = new CanvasRasterer();
this.labelPlacement = new LabelPlacement();
this.ways = new List <List <List <ShapePaintContainer> > >(LAYERS);
this.wayNames = new List <WayTextContainer>(64);
this.nodes = new List <pointTextContainer>(64);
this.areaLabels = new List <pointTextContainer>(64);
this.waySymbols = new List <SymbolContainer>(64);
this.Pointsymbols = new List <SymbolContainer>(64);
PAINT_WATER_TILE_HIGHTLIGHT.Style = Style.FILL;
PAINT_WATER_TILE_HIGHTLIGHT.Color = Colors.Cyan;
}
public static Point GetLabelOffset(LabelPlacement placement)
{
switch (placement)
{
case LabelPlacement.Top:
return(new Point(0, 0.5));
case LabelPlacement.Bottom:
return(new Point(0, -0.5));
case LabelPlacement.Left:
return(new Point(-0.5, 0));
default:
return(new Point(0.5, 0));
}
}
private void cboPlacement_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (MyMap == null) return;
ArcGISDynamicMapServiceLayer dynamicLayer =
MyMap.Layers["PopulationDynamicLayer"] as ArcGISDynamicMapServiceLayer;
LabelPlacement placment = new LabelPlacement();
switch (cboPlacement.SelectedIndex)
{
case 0:
placment = LabelPlacement.PointLabelPlacementAboveCenter;
break;
case 1:
placment = LabelPlacement.PointLabelPlacementAboveLeft;
break;
case 2:
placment = LabelPlacement.PointLabelPlacementAboveRight;
break;
case 3:
placment = LabelPlacement.PointLabelPlacementBelowCenter;
break;
case 4:
placment = LabelPlacement.PointLabelPlacementBelowLeft;
break;
case 5:
placment = LabelPlacement.PointLabelPlacementBelowRight;
break;
case 6:
placment = LabelPlacement.PointLabelPlacementCenterCenter;
break;
case 7:
placment = LabelPlacement.PointLabelPlacementCenterLeft;
break;
case 8:
placment = LabelPlacement.PointLabelPlacementCenterRight;
break;
}
foreach (LabelClass lClass in dynamicLayer.LayerDrawingOptions[0].LabelClasses)
{
lClass.LabelPlacement = placment;
}
dynamicLayer.Refresh();
}
/// <summary>
/// Apply padding based on interval
/// </summary>
/// <param name="axis"></param>
/// <param name="range"></param>
/// <param name="interval"></param>
/// <param name="labelPlacement"></param>
/// <returns></returns>
internal static DoubleRange ApplyRangePadding(ChartAxis axis, DoubleRange range, double interval, LabelPlacement labelPlacement)
{
var actualSeries =
axis.Area.VisibleSeries
.Where(series => series.ActualXAxis == axis)
.Max(filteredSeries => filteredSeries.DataCount);
if (!(actualSeries is PolarRadarSeriesBase) && labelPlacement == LabelPlacement.BetweenTicks)
{
return(new DoubleRange(-0.5, (int)range.End + 0.5));
}
return(range);
}
