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分级渲染、简单渲染、唯一值渲染、柱状图渲染、饼状图渲染
/// <summary>
/// 生成分级渲染符号图
/// </summary>
/// <param name="pFiledName">分级字段</param>
///<param name="ClassifyItems">分级信息数组</param>
///<param name="minBreak">分类起始值</param>
/// <returns>FeatureRenderer</returns>
public IFeatureRenderer SetClassBreaksRenderer(string pFiledName, List<ClassifyItemClient> ClassifyItems, double minBreak)
{
IClassBreaksRenderer pClassBreaksRenderer;
IFeatureRenderer pFeatureRenderer;
pClassBreaksRenderer = new ClassBreaksRendererClass();
pClassBreaksRenderer.Field = pFiledName;
if (minBreak != 0)
pClassBreaksRenderer.MinimumBreak = minBreak;
pClassBreaksRenderer.BreakCount = ClassifyItems.Count;
for (int i = 0; i < ClassifyItems.Count; i++)
{
pClassBreaksRenderer.set_Symbol(i, ClassifyItems[i].ClassifySymbol);
pClassBreaksRenderer.set_Break(i, Convert.ToDouble(ClassifyItems[i].Break));
pClassBreaksRenderer.set_Label(i, ClassifyItems[i].Label);
pClassBreaksRenderer.set_Description(i, ClassifyItems[i].Description);
}
pFeatureRenderer = pClassBreaksRenderer as IFeatureRenderer;
//ReleaseAE.ReleaseAEObject(pClassBreaksRenderer);
return pFeatureRenderer;
}
/// <summary>
/// 生成唯一值渲染
/// </summary>
/// <param name="pFiledName">渲染字段</param>
///<param name="ClassifyItems">唯一值信息数组</param>
/// <returns></returns>
public IFeatureRenderer SetUniqueValueRenderer(string pFiledName, List<ClassifyItemClient> ClassifyItems)
{
IUniqueValueRenderer pUniqueValueRender;
IFeatureRenderer pFeatureRenderer;
pUniqueValueRender = new UniqueValueRendererClass();
pUniqueValueRender.FieldCount = 1;
pUniqueValueRender.set_Field(0,pFiledName);
for (int i = 0; i < ClassifyItems.Count; i++)
{
if (ClassifyItems[i].ReferenceValue==null)
pUniqueValueRender.AddValue(ClassifyItems[i].Break, pFiledName, ClassifyItems[i].ClassifySymbol);
else
pUniqueValueRender.AddReferenceValue(ClassifyItems[i].Break, ClassifyItems[i].ReferenceValue);
pUniqueValueRender.set_Label(ClassifyItems[i].Break, ClassifyItems[i].Label);
pUniqueValueRender.set_Description(ClassifyItems[i].Break, ClassifyItems[i].Description);
}
pFeatureRenderer = pUniqueValueRender as IFeatureRenderer;
//ReleaseAE.ReleaseAEObject(pUniqueValueRender);
return pFeatureRenderer;
}
/// <summary>
/// 生成简单渲染
/// </summary>
/// <param name="symbol">渲染符号</param>
/// <param name="label">渲染标注</param>
/// <param name="description">渲染描述</param>
/// <returns>FeatureRenderer</returns>
public IFeatureRenderer SetSimpleRenderer(ISymbol symbol, string label, string description)
{
ISimpleRenderer simpleRenderer;
simpleRenderer = new SimpleRendererClass();
simpleRenderer.Symbol = symbol;
simpleRenderer.Label = label;
simpleRenderer.Description = description;
return simpleRenderer as IFeatureRenderer;
}
/// <summary>
/// 柱状图渲染
/// </summary>
/// <param name="chartStyle">柱状图样式</param>
/// <param name="fields">展示字段数组</param>
/// <param name="maxValue">柱子最大高度对应的数值</param>
/// <returns></returns>
public IFeatureRenderer SetBarChartRenderer(ChartStyleClient chartStyle, string[] fields, double maxValue)
{
string[] tempFields;
string[] temp;
IChartSymbol chartSymbol;
IMarkerSymbol markerSymbol;
tempFields = new string[fields.Length];
temp = new string[fields.Length];
IChartRenderer chartRenderer = new ChartRendererClass();
IRendererFields rendererFields = chartRenderer as IRendererFields;
IBarChartSymbol barChartSymbol = new BarChartSymbolClass();
if (chartStyle.BarWidth != 0)
barChartSymbol.Width = chartStyle.BarWidth;
else
barChartSymbol.Width = 5;
if (chartStyle.BarSpacing != 0)
barChartSymbol.Spacing = chartStyle.BarSpacing;
else
barChartSymbol.Spacing = 0;
barChartSymbol.ShowAxes = chartStyle.HasAxes;
I3DChartSymbol chartSymbol3D = barChartSymbol as I3DChartSymbol;
chartSymbol3D.Display3D = chartStyle.Display3D;
chartSymbol3D.Thickness = chartStyle.Thickness;
chartSymbol = chartSymbol3D as IChartSymbol;
chartSymbol.MaxValue = maxValue;
markerSymbol = chartSymbol as IMarkerSymbol;
if (chartStyle.BarMaxLength != 0)
markerSymbol.Size = chartStyle.BarMaxLength;
else
markerSymbol.Size = 50;
ISymbolArray symbolArray = barChartSymbol as ISymbolArray;
for (int i = 0; i < fields.Length; i++)
{
if (fields[i].Contains('.'))
tempFields[i] = fields[i].Split('.')[1];
else
tempFields[i] = fields[i];
for (int j = 0; j < chartStyle.Items.Count; j++)
{
if (chartStyle.Items[j].Field.Contains('.'))
temp[j] = chartStyle.Items[j].Field.Split('.')[1];
else
temp[j] = chartStyle.Items[j].Field;
if (temp[j] == tempFields[i])
{
rendererFields.AddField(fields[i], fields[i]);
rendererFields.set_FieldAlias(i, chartStyle.Items[j].Description);
symbolArray.AddSymbol(chartStyle.Items[j].Symbol);
}
}
}
chartRenderer.UseOverposter = true;
chartRenderer.ChartSymbol = chartSymbol3D as IChartSymbol;
chartRenderer.CreateLegend();
//ReleaseAE.ReleaseAEObject(chartSymbol);
//ReleaseAE.ReleaseAEObject(markerSymbol);
//ReleaseAE.ReleaseAEObject(rendererFields);
//ReleaseAE.ReleaseAEObject(barChartSymbol);
//ReleaseAE.ReleaseAEObject(chartSymbol3D);
//ReleaseAE.ReleaseAEObject(symbolArray);
return chartRenderer as IFeatureRenderer;
}
/// <summary>
/// 饼状图渲染
/// </summary>
/// <param name="chartStyle">饼状图样式</param>
/// <param name="fields">展示字段数组</param>
/// <param name="minValue">饼状图饼最小时对应的数值</param>
/// <returns></returns>
public IFeatureRenderer SetPieChartRenderer(ChartStyleClient chartStyle, string[] fields, double minValue)
{
string[] tempFields;
string[] temp;
tempFields = new string[fields.Length];
temp = new string[fields.Length];
IMarkerSymbol markSymbol;
IPieChartRenderer pieChartRenderer = new ChartRendererClass();
IRendererFields rendererFields = pieChartRenderer as IRendererFields;
IPieChartSymbol pieChartSymbol = new PieChartSymbolClass();
I3DChartSymbol chartSymbol = pieChartSymbol as I3DChartSymbol;
markSymbol = pieChartSymbol as IMarkerSymbol;
if (chartStyle.PieByFixedSize)
{
pieChartRenderer.ProportionalBySum = false;
if (chartStyle.PieFixedSize != 0)
markSymbol.Size = chartStyle.PieFixedSize;
else
markSymbol.Size = 30;
}
else
{
pieChartRenderer.ProportionalBySum = true;
if (chartStyle.PieMinSize != 0)
pieChartRenderer.MinSize = chartStyle.PieMinSize;
else
pieChartRenderer.MinSize = 30;
}
chartSymbol.Display3D = chartStyle.Display3D;
chartSymbol.Thickness = chartStyle.Thickness;
chartSymbol.Tilt = chartStyle.PieTilt;
ISymbolArray symbolArray = pieChartSymbol as ISymbolArray;
for (int i = 0; i < fields.Length; i++)
{
if (fields[i].Contains('.'))
tempFields[i] = fields[i].Split('.')[1];
else
tempFields[i] = fields[i];
for (int j = 0; j < chartStyle.Items.Count; j++)
{
if (chartStyle.Items[j].Field.Contains('.'))
temp[j] = chartStyle.Items[j].Field.Split('.')[1];
else
temp[j] = chartStyle.Items[j].Field;
if (temp[j] == tempFields[i])
{
rendererFields.AddField(fields[i], fields[i]);
rendererFields.set_FieldAlias(i, chartStyle.Items[j].Description);
symbolArray.AddSymbol(chartStyle.Items[j].Symbol);
}
}
}
//pieChartRenderer.ProportionalBySum = true;
//pieChartRenderer.MinSize =30;
pieChartRenderer.MinValue = minValue;
(pieChartRenderer as IChartRenderer).UseOverposter = false;
(pieChartRenderer as IChartRenderer).ChartSymbol = chartSymbol as IChartSymbol;
(pieChartRenderer as IChartRenderer).CreateLegend();
//ReleaseAE.ReleaseAEObject(markSymbol);
//ReleaseAE.ReleaseAEObject(rendererFields);
//ReleaseAE.ReleaseAEObject(chartSymbol);
//ReleaseAE.ReleaseAEObject(pieChartSymbol);
//ReleaseAE.ReleaseAEObject(symbolArray);
return pieChartRenderer as IFeatureRenderer;
}
}
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