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;
}
}