我想在我的Silverlight工具包水平条形图上显示3个系列... 2个普通条形系列和1个堆叠条形系列(由2个SeriesDefinition
组成)。当我添加前2个普通条形系列时,它们会按预期彼此相邻显示。但是当我添加堆叠系列时,它会占据整行的高度。有没有办法将两种类型的系列组合起来,从上到下显示为堆叠,条形,条形?
以下是我目前正在设置的方式:
<charts:Chart Title="Manufacturer Overview" LegendTitle="Legend" Style="{StaticResource ZChartNoBackground}">
<charts:Chart.Series>
<charts:StackedBarSeries>
<charts:SeriesDefinition Title="Oppotunities"
ItemsSource="{Binding Path=TotalValueInFunnelByVendor}"
IndependentValueBinding="{Binding IndependentValue}"
DependentValueBinding="{Binding DependentValue}">
</charts:SeriesDefinition>
<!--SAMPLE DATA UNTIL REAL DATA IS IN-->
<charts:SeriesDefinition Title="Flow Business"
ItemsSource="{Binding Path=TotalValueInFunnelByVendor}"
IndependentValueBinding="{Binding IndependentValue}"
DependentValueBinding="{Binding DependentValue}">
</charts:SeriesDefinition>
</charts:StackedBarSeries>
<charts:BarSeries Title="Sales to date"
ItemsSource="{Binding Path=SalesToDateByVendor}"
IndependentValueBinding="{Binding IndependentValue}"
DependentValueBinding="{Binding DependentValue}">
</charts:BarSeries>
<charts:BarSeries Title="Forecasted"
ItemsSource="{Binding Path=ForecastedSalesByVendor}"
IndependentValueBinding="{Binding IndependentValue}"
DependentValueBinding="{Binding DependentValue}">
</charts:BarSeries>
</charts:Chart.Series>
</charts:Chart>
这是图表的图像。请注意,绿色和红色条正确放置,但堆叠条是行的高度,在另外两个系列的“后面”:
答案 0 :(得分:0)
所以在经过一大堆环顾之后,我得出的结论是,这种行为是“按设计”还是一个错误。我查看了StackedBarSeries
的源代码。我创建了一个继承自StackedBarSeries
的新类,并将代码添加到“UpdateDataItemPlacement”方法中,该方法将条形高度除以SeriesHost中的系列数:
protected override void UpdateDataItemPlacement(IEnumerable<DefinitionSeries.DataItem> dataItems)
{
/* A BUNCH OF CODE FROM TOOLKIT */
double sum = IsStacked100 ?
group.DataItems.Sum(di =>Math.Abs(ValueHelper.ToDouble(di.DataPoint.ActualDependentValue))) :
1;
if (0 == sum)
{
sum = 1;
}
// MY ADDITION
var numSeries = this.SeriesHost.Series.Count;
int index = this.SeriesHost.Series.IndexOf(this);
// END ADDITION
double ceiling = 0;
double floor = 0;
foreach (DataItem dataItem in group.DataItems)
{
DataPoint dataPoint = dataItem.DataPoint;
double value = IsStacked100 ? (ValueHelper.ToDouble(dataPoint.ActualDependentValue) * (100 / sum)) : ValueHelper.ToDouble(dataPoint.ActualDependentValue);
if (ValueHelper.CanGraph(value))
{
double valueCoordinate = ActualDependentAxis.GetPlotAreaCoordinate(value).Value;
double fillerCoordinate = (0 <= value) ? ceiling : floor;
double topCoordinate = 0, leftCoordinate = 0, height = 0, width = 0, deltaCoordinate = 0;
if (AxisOrientation.Y == ActualDependentAxis.Orientation)
{
topCoordinate = plotAreaMaximumDependentCoordinate - Math.Max(valueCoordinate + fillerCoordinate, zeroCoordinate + fillerCoordinate);
double bottomCoordinate = plotAreaMaximumDependentCoordinate - Math.Min(valueCoordinate + fillerCoordinate, zeroCoordinate + fillerCoordinate);
deltaCoordinate = bottomCoordinate - topCoordinate;
height = (0 < deltaCoordinate) ? deltaCoordinate + 1 : 0;
leftCoordinate = categoryMinimumCoordinate;
width = categoryMaximumCoordinate - categoryMinimumCoordinate + 1;
// MY MODIFICATION
//adjusting the width and offset to allow multiple columns to render beside each other instead of overtop
width = width / numSeries;
leftCoordinate = leftCoordinate + (width * index);
//
}
else
{
leftCoordinate = Math.Min(valueCoordinate + fillerCoordinate, zeroCoordinate + fillerCoordinate);
double rightCoordinate = Math.Max(valueCoordinate + fillerCoordinate, zeroCoordinate + fillerCoordinate);
deltaCoordinate = rightCoordinate - leftCoordinate;
width = (0 < deltaCoordinate) ? deltaCoordinate + 1 : 0;
topCoordinate = categoryMinimumCoordinate;
height = categoryMaximumCoordinate - categoryMinimumCoordinate + 1;
//MY MODIFICATION
//adjusting the height and offset to allow multiple columns to render beside each other instead of overtop
height = height / numSeries;
topCoordinate = topCoordinate + (height * index);
//
}
// THE REST OF THE CODE FROM THE TOOLKIT
}
else
{
dataPoint.Visibility = Visibility.Collapsed;
}
}
}