public static void classifyRender(IFeatureLayer featLayer, string classMethod, string fieldName, IColorRamp colorRamp, int count)
{
try
{
//值分级
IBasicHistogram pBasicHis = new BasicTableHistogramClass();
ITableHistogram pTabHis = (ITableHistogram)pBasicHis;
IClassifyGEN pClassify = null;
switch (classMethod)
{
case "等间距分级":
pClassify = new EqualIntervalClass();
break;
case "自然断点分级":
pClassify = new NaturalBreaksClass();
break;
}
pTabHis.Field = fieldName;
ILayer Layer = (ILayer)featLayer;
ITable pTab = (ITable)Layer;
pTabHis.Table = pTab;
object doubleArrVal, longArrFreq;
pBasicHis.GetHistogram(out doubleArrVal, out longArrFreq);
int nDes = count;
pClassify.Classify(doubleArrVal, longArrFreq, ref nDes);
double[] ClassNum;
ClassNum = (double[])pClassify.ClassBreaks;
int ClassCountResult = ClassNum.GetUpperBound(0);
IClassBreaksRenderer pRender = new ClassBreaksRendererClass();
pRender.BreakCount = ClassCountResult;
pRender.Field = fieldName;
ISimpleFillSymbol pSym;
IColor pColor;
for (int j = 0; j < ClassCountResult; j++)
{
pColor = colorRamp.get_Color(j * (colorRamp.Size - 1) / (ClassCountResult - 1));
pRender.set_Symbol(j, getISymbolByGeomType(featLayer, pColor));
pRender.set_Break(j, ClassNum[j + 1]);
pRender.set_Label(j, ClassNum[j].ToString("0.00") + " - " + ClassNum[j + 1].ToString("0.00"));
}
IGeoFeatureLayer pGeoLyr = (IGeoFeatureLayer)Layer;
pGeoLyr.Renderer = (IFeatureRenderer)pRender;
}
catch {
XtraMessageBox.Show("嗯，哪个，就一个值，别分级了好不好^_^");
}
}
public void LayerRender()
{
try
{
//值分级
IBasicHistogram pBasicHis = new BasicTableHistogramClass();
ITableHistogram pTabHis = (ITableHistogram)pBasicHis;
IClassifyGEN pClassify = null;
switch (classname)
{
case "自然断点分级":
pClassify = new NaturalBreaksClass();
break;
case "等间距分级":
pClassify = new EqualIntervalClass();
break;
}
pTabHis.Field = FiledName;
//IGeoFeatureLayer geolayer = (IGeoFeatureLayer)Layer;
ITable pTab = (ITable)Layer;
pTabHis.Table = pTab;
object doubleArrVal, longArrFreq;
pBasicHis.GetHistogram(out doubleArrVal, out longArrFreq);
int nDes = count;
pClassify.Classify(doubleArrVal, longArrFreq, ref nDes);
object classes = pClassify.ClassBreaks;
double[] ClassNum;
ClassNum = (double[])pClassify.ClassBreaks;
int ClassCountResult = ClassNum.GetUpperBound(0);
IClassBreaksRenderer pRender = new ClassBreaksRendererClass();
pRender.BreakCount = ClassCountResult;
pRender.Field = FiledName;
ISimpleFillSymbol pSym;
IColor pColor;
for (int j = 0; j < ClassCountResult; j++)
{
pColor = ramp.get_Color(j * (ramp.Size / ClassCountResult));
pSym = new SimpleFillSymbolClass();
pSym.Color = pColor;
pRender.set_Symbol(j, (ISymbol)pSym);
pRender.set_Break(j, ClassNum[j + 1]);
if (ClassNum[j].ToString().Contains("."))
{
pRender.set_Label(j, ClassNum[j].ToString("0.000") + " - " + ClassNum[j + 1].ToString("0.000"));
}
else
{
pRender.set_Label(j, ClassNum[j].ToString() + " - " + ClassNum[j + 1].ToString());
}
}
IGeoFeatureLayer pGeoLyr = (IGeoFeatureLayer)Layer;
pGeoLyr.Renderer = (IFeatureRenderer)pRender;
axmapcontrol.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
axtoccontrol.Update();
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
private void resultSymbologyTab()
{
IGeoFeatureLayer pGeoFeatureLayer = this.pLayer as IGeoFeatureLayer;
TreeNode currentNode = this.trvSymbologyShows.SelectedNode;
if (currentNode.Text == "单一符号")
{
if (this.singleSymbol == null)
{
return;
}
ISimpleRenderer pSimpleRender = new SimpleRendererClass();
pSimpleRender.Symbol = this.singleSymbol;
pSimpleRender.Label = this.txtSingleSymbolLabel.Text;
pSimpleRender.Description = this.txtSingleSymbolDescription.Text;
pGeoFeatureLayer.Renderer = pSimpleRender as IFeatureRenderer;
}
else if (currentNode.Text == "唯一值")
{
if (this.lsvUniqueValue.Items.Count == 0 || this.pUniValueColorRamp == null)
{
return;
}
this.pUniValueColorRamp.Size = this.lsvUniqueValue.Items.Count - 1;
bool IsColorRampCreatedOK = false;
this.pUniValueColorRamp.CreateRamp(out IsColorRampCreatedOK);
if (IsColorRampCreatedOK)
{
IEnumColors pEnumColors = pUniValueColorRamp.Colors;
pEnumColors.Reset();
IUniqueValueRenderer pUniqueValueRender = new UniqueValueRendererClass();
pUniqueValueRender.FieldCount = 1;
pUniqueValueRender.set_Field(0, this.cbbUniValueField.Text);
IColor pColor;
if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPolygon)
{
ISimpleFillSymbol pSimpleFillSymbol;
for (int i = 0; i < pUniValueColorRamp.Size; i++)
{
pColor = pEnumColors.Next();
pSimpleFillSymbol = new SimpleFillSymbolClass();
pSimpleFillSymbol.Color = pColor;
pUniqueValueRender.AddValue(this.lsvUniqueValue.Items[i + 1].Text, "", (ISymbol)pSimpleFillSymbol);
}
}
else if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPolyline)
{
ISimpleLineSymbol pSimpleLineSymbol;
for (int i = 0; i < pUniValueColorRamp.Size; i++)
{
pColor = pEnumColors.Next();
pSimpleLineSymbol = new SimpleLineSymbolClass();
pSimpleLineSymbol.Color = pColor;
pUniqueValueRender.AddValue(this.lsvUniqueValue.Items[i + 1].Text, "", (ISymbol)pSimpleLineSymbol);
}
}
else if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPoint)
{
ISimpleMarkerSymbol pSimpleMarkerSymbol;
for (int i = 0; i < pUniValueColorRamp.Size; i++)
{
pColor = pEnumColors.Next();
pSimpleMarkerSymbol = new SimpleMarkerSymbolClass();
pSimpleMarkerSymbol.Color = pColor;
pUniqueValueRender.AddValue(this.lsvUniqueValue.Items[i + 1].Text, "", (ISymbol)pSimpleMarkerSymbol);
}
}
pGeoFeatureLayer.Renderer = (IFeatureRenderer)pUniqueValueRender;
}
}
else if (currentNode.Text == "分级颜色")
{
if (this.lsvClassBreaksSymbol.Items.Count == 0 || this.pClassBreaksColorRamp == null)
{
return;
}
int classCount = int.Parse(this.cbbClassBreaksCount.Text);
IClassBreaksRenderer pClassBreaksRenderer = new ClassBreaksRendererClass();
pClassBreaksRenderer.BreakCount = classCount;
pClassBreaksRenderer.Field = this.cbbClassBreakField.Text;
pClassBreaksRenderer.SortClassesAscending = true;
IColorRamp pColorRamp = this.pClassBreaksColorRamp;
pColorRamp.Size = classCount;
bool ok;
pColorRamp.CreateRamp(out ok);
if (!ok)
{
return;
}
IEnumColors pEnumColors = pColorRamp.Colors;
pEnumColors.Reset();
IColor pColor;
if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPolygon)
{
for (int i = 0; i < classCount; i++)//为每个值范围设置符号(此处为SimpleFillSymbol)
{
pColor = pEnumColors.Next();
ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbolClass();
pSimpleFillSymbol.Color = pColor;
pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
pClassBreaksRenderer.set_Break(i, this.classBreaks[i + 1]);//设置临界值,注意下标,关键!!!
pClassBreaksRenderer.set_Symbol(i, (ISymbol)pSimpleFillSymbol);//设置Symbol,关键!!!
pClassBreaksRenderer.set_Label(i, this.lsvClassBreaksSymbol.Items[i].Text);
pClassBreaksRenderer.set_Description(i, this.lsvClassBreaksSymbol.Items[i].Text);
}
}
else if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPolyline)
{
for (int i = 0; i < classCount; i++)//为每个值范围设置符号
{
pColor = pEnumColors.Next();
ISimpleLineSymbol pSimpleLineSymbol = new SimpleLineSymbolClass();
pSimpleLineSymbol.Color = pColor;
pClassBreaksRenderer.set_Symbol(i, (ISymbol)pSimpleLineSymbol);//设置Symbol,关键!!!
pClassBreaksRenderer.set_Label(i, this.lsvClassBreaksSymbol.Items[i].Text);
pClassBreaksRenderer.set_Break(i, this.classBreaks[i + 1]);//设置临界值,注意下标,关键!!!
}
}
else if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPoint)
{
for (int i = 0; i < classCount; i++)//为每个值范围设置符号
{
pColor = pEnumColors.Next();
ISimpleMarkerSymbol pSimpleMarkerSymbol = new SimpleMarkerSymbolClass();
pSimpleMarkerSymbol.Color = pColor;
pClassBreaksRenderer.set_Symbol(i, (ISymbol)pSimpleMarkerSymbol);//设置Symbol,关键!!!
pClassBreaksRenderer.set_Label(i, this.lsvClassBreaksSymbol.Items[i].Text);
pClassBreaksRenderer.set_Break(i, this.classBreaks[i + 1]);//设置临界值,注意下标,关键!!!
}
}
pGeoFeatureLayer.Renderer = pClassBreaksRenderer as IFeatureRenderer;
}
}
private void resultSymbologyTab()
{
IGeoFeatureLayer pGeoFeatureLayer = this.pLayer as IGeoFeatureLayer;
TreeNode currentNode = this.trvSymbologyShows.SelectedNode;
if (currentNode.Text == "单一符号")
{
if (this.singleSymbol == null)
{
return;
}
ISimpleRenderer pSimpleRender = new SimpleRendererClass();
pSimpleRender.Symbol = this.singleSymbol;
pSimpleRender.Label = this.txtSingleSymbolLabel.Text;
pSimpleRender.Description = this.txtSingleSymbolDescription.Text;
pGeoFeatureLayer.Renderer = pSimpleRender as IFeatureRenderer;
}
else if (currentNode.Text == "唯一值")
{
if (this.lsvUniqueValue.Items.Count == 0 || this.pUniValueColorRamp == null)
{
return;
}
this.pUniValueColorRamp.Size = this.lsvUniqueValue.Items.Count - 1;
bool IsColorRampCreatedOK = false;
this.pUniValueColorRamp.CreateRamp(out IsColorRampCreatedOK);
if (IsColorRampCreatedOK)
{
IEnumColors pEnumColors = pUniValueColorRamp.Colors;
pEnumColors.Reset();
IUniqueValueRenderer pUniqueValueRender = new UniqueValueRendererClass();
pUniqueValueRender.FieldCount = 1;
pUniqueValueRender.set_Field(0, this.cbbUniValueField.Text);
IColor pColor;
if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPolygon)
{
ISimpleFillSymbol pSimpleFillSymbol;
for (int i = 0; i < pUniValueColorRamp.Size; i++)
{
pColor = pEnumColors.Next();
pSimpleFillSymbol = new SimpleFillSymbolClass();
pSimpleFillSymbol.Color = pColor;
pUniqueValueRender.AddValue(this.lsvUniqueValue.Items[i + 1].Text, "", (ISymbol)pSimpleFillSymbol);
}
}
else if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPolyline)
{
ISimpleLineSymbol pSimpleLineSymbol;
for (int i = 0; i < pUniValueColorRamp.Size; i++)
{
pColor = pEnumColors.Next();
pSimpleLineSymbol = new SimpleLineSymbolClass();
pSimpleLineSymbol.Color = pColor;
pUniqueValueRender.AddValue(this.lsvUniqueValue.Items[i + 1].Text, "", (ISymbol)pSimpleLineSymbol);
}
}
else if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPoint)
{
ISimpleMarkerSymbol pSimpleMarkerSymbol;
for (int i = 0; i < pUniValueColorRamp.Size; i++)
{
pColor = pEnumColors.Next();
pSimpleMarkerSymbol = new SimpleMarkerSymbolClass();
pSimpleMarkerSymbol.Color = pColor;
pUniqueValueRender.AddValue(this.lsvUniqueValue.Items[i + 1].Text, "", (ISymbol)pSimpleMarkerSymbol);
}
}
pGeoFeatureLayer.Renderer = (IFeatureRenderer)pUniqueValueRender;
}
}
else if (currentNode.Text == "分级颜色")
{
if (this.lsvClassBreaksSymbol.Items.Count == 0 || this.pClassBreaksColorRamp == null)
{
return;
}
int classCount = int.Parse(this.cbbClassBreaksCount.Text);
IClassBreaksRenderer pClassBreaksRenderer = new ClassBreaksRendererClass();
pClassBreaksRenderer.BreakCount = classCount;
pClassBreaksRenderer.Field = this.cbbClassBreakField.Text;
pClassBreaksRenderer.SortClassesAscending = true;
IColorRamp pColorRamp = this.pClassBreaksColorRamp;
pColorRamp.Size = classCount;
bool ok;
pColorRamp.CreateRamp(out ok);
if (!ok)
{
return;
}
IEnumColors pEnumColors = pColorRamp.Colors;
pEnumColors.Reset();
IColor pColor;
if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPolygon)
{
for (int i = 0; i < classCount; i++)//为每个值范围设置符号(此处为SimpleFillSymbol)
{
pColor = pEnumColors.Next();
ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbolClass();
pSimpleFillSymbol.Color = pColor;
pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
pClassBreaksRenderer.set_Break(i, this.classBreaks[i + 1]); //设置临界值,注意下标,关键!!!
pClassBreaksRenderer.set_Symbol(i, (ISymbol)pSimpleFillSymbol); //设置Symbol,关键!!!
pClassBreaksRenderer.set_Label(i, this.lsvClassBreaksSymbol.Items[i].Text);
pClassBreaksRenderer.set_Description(i, this.lsvClassBreaksSymbol.Items[i].Text);
}
}
else if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPolyline)
{
for (int i = 0; i < classCount; i++)//为每个值范围设置符号
{
pColor = pEnumColors.Next();
ISimpleLineSymbol pSimpleLineSymbol = new SimpleLineSymbolClass();
pSimpleLineSymbol.Color = pColor;
pClassBreaksRenderer.set_Symbol(i, (ISymbol)pSimpleLineSymbol); //设置Symbol,关键!!!
pClassBreaksRenderer.set_Label(i, this.lsvClassBreaksSymbol.Items[i].Text);
pClassBreaksRenderer.set_Break(i, this.classBreaks[i + 1]); //设置临界值,注意下标,关键!!!
}
}
else if (((IFeatureLayer2)this.pLayer).ShapeType == esriGeometryType.esriGeometryPoint)
{
for (int i = 0; i < classCount; i++)//为每个值范围设置符号
{
pColor = pEnumColors.Next();
ISimpleMarkerSymbol pSimpleMarkerSymbol = new SimpleMarkerSymbolClass();
pSimpleMarkerSymbol.Color = pColor;
pClassBreaksRenderer.set_Symbol(i, (ISymbol)pSimpleMarkerSymbol); //设置Symbol,关键!!!
pClassBreaksRenderer.set_Label(i, this.lsvClassBreaksSymbol.Items[i].Text);
pClassBreaksRenderer.set_Break(i, this.classBreaks[i + 1]); //设置临界值,注意下标,关键!!!
}
}
pGeoFeatureLayer.Renderer = pClassBreaksRenderer as IFeatureRenderer;
}
}
