//yjl20110826 add
private ISymbol[] CreateSymbols(int count)
{
IColorRamp pColorRamp = (cmbColorRamp.SelectedItem as DevComponents.Editors.ComboItem).Tag as IColorRamp;
bool bCreateRamp;
pColorRamp.Size = count <= 1 ? 2 : count;
pColorRamp.CreateRamp(out bCreateRamp);
IEnumColors enumColors = pColorRamp.Colors;
enumColors.Reset();
ESRI.ArcGIS.esriSystem.IObjectCopy copy = new ESRI.ArcGIS.esriSystem.ObjectCopyClass();
ISymbol[] symbols = new ISymbol[count];
ISymbol tmpSymbol = ModuleCommon.CreateSymbol(m_SymbologyStyleClass);
for (int i = 0; i < count; i++)
{
symbols[i] = copy.Copy(tmpSymbol) as ISymbol;
IColor pColor = enumColors.Next();
if (pColor == null)
{
enumColors.Reset();
enumColors.Next();
}
ModuleCommon.ChangeSymbolColor(symbols[i], pColor);
}
return(symbols);
}
/*不同渲染方式
*
*/
///<summary>
///设置要素图层唯一值符号化
///</summary>
///<param name="pFeatureLayer">特征层</param>
private void UniqueValueRenderFlyr()
{
IGeoFeatureLayer geoFeatureLayer = null;
geoFeatureLayer = getGeoLayer("Continents");
IUniqueValueRenderer uniqueValueRenderer = new UniqueValueRendererClass();
uniqueValueRenderer.FieldCount = 1;
uniqueValueRenderer.set_Field(0, "SQMI");
ISimpleFillSymbol simpleFillSymbol = SymbolWorker.CreateSimpleFillSymbol() as ISimpleFillSymbol;
IFeatureCursor featureCursor = geoFeatureLayer.FeatureClass.Search(null, false);
IFeature feature;
if (featureCursor != null)
{
IEnumColors enumColors = SymbolWorker.CreateAlgorithmicColorRamp(8).Colors;
IColor dullColor = enumColors.Next();
int fiedIndex = geoFeatureLayer.FeatureClass.Fields.FindField("SQMI");
for (int i = 0; i < 7; i++)
{
feature = featureCursor.NextFeature();
string nameValue = feature.get_Value(fiedIndex).ToString();
simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = enumColors.Next();
uniqueValueRenderer.AddValue(nameValue, "SQMI", simpleFillSymbol as ISymbol);
}
}
geoFeatureLayer.Renderer = uniqueValueRenderer as IFeatureRenderer;
}
private ISymbol[] CreateSymbols()
{
IColorRamp pColorRamp = (cmbColorRamp.SelectedItem as DevComponents.Editors.ComboItem).Tag as IColorRamp;
bool bCreateRamp;
pColorRamp.Size = levelInput.Value <= 1 ? 2 : levelInput.Value;
pColorRamp.CreateRamp(out bCreateRamp);
IEnumColors enumColors = pColorRamp.Colors;
enumColors.Reset();
ISymbol[] symbols = new ISymbol[levelInput.Value];
ESRI.ArcGIS.esriSystem.IObjectCopy copy = new ESRI.ArcGIS.esriSystem.ObjectCopyClass();
for (int i = 0; i < levelInput.Value; i++)
{
symbols[i] = copy.Copy(labelPreviewFore.Tag) as ISymbol;
IColor pColor = enumColors.Next();
if (pColor == null)
{
enumColors.Reset();
enumColors.Next();
}
ModuleCommon.ChangeSymbolColor(symbols[i], pColor);
}
return(symbols);
}
private void RefreshColorRamp()
{//刷新符号颜色
if (flag)
{
return;
}
IColorRamp pColorRamp = (cmbColorRamp.SelectedItem as DevComponents.Editors.ComboItem).Tag as IColorRamp;
bool bCreateRamp;
pColorRamp.Size = levelInput.Value <= 1 ? 2 : levelInput.Value;
pColorRamp.CreateRamp(out bCreateRamp);
IEnumColors enumColors = pColorRamp.Colors;
enumColors.Reset();
listValueItem.SmallImageList.Images.Clear();
for (int i = 0; i < listValueItem.Items.Count; i++)
{
IColor pColor = enumColors.Next();
if (pColor == null)
{
enumColors.Reset();
enumColors.Next();
}
System.Windows.Forms.ListViewItem item = listValueItem.Items[i];
ModuleCommon.ChangeSymbolColor(item.Tag as ISymbol, pColor);
listValueItem.SmallImageList.Images.Add(item.Name.Replace("Item", "Symbol"),
ModuleCommon.Symbol2Picture(item.Tag as ISymbol, ModuleCommon.ImageWidth, ModuleCommon.ImageHeight));
listValueItem.Items[i].ImageKey = item.Name.Replace("Item", "Symbol");
}
}
private void button4_Click(object sender, EventArgs e)
{
int selectedFieldIndex = m_pTarFeatureLayer.FeatureClass.Fields.FindField(comboBox1.SelectedItem.ToString());
IField selectedField = m_pTarFeatureLayer.FeatureClass.Fields.get_Field(selectedFieldIndex);
IUniqueValueRenderer unqValueRenderr = new UniqueValueRendererClass();
#region UniqueValueRenderer需要定义字段数，字段名，并最后添加字段中每一种值对应的渲染方式（AddValue）
unqValueRenderr.FieldCount = 1;
unqValueRenderr.set_Field(0, selectedField.Name);//0是干什么的？
#endregion
IAlgorithmicColorRamp acr = new AlgorithmicColorRampClass();
acr.FromColor = m_pFillColor;
acr.ToColor = m_pOutlineColor;
acr.Size = m_pTarFeatureLayer.FeatureClass.FeatureCount(null);
bool isOK;
acr.CreateRamp(out isOK);
#region 很迷，不知道为什么直接acr.colors.next遍历不了colorramp
IEnumColors enumColor = acr.Colors;
IColor curColor = enumColor.Next();
#endregion
#region 开始遍历图层获取所有feature
for (int i = 0; i < m_pTarFeatureLayer.FeatureClass.FeatureCount(null); i++)
{
IFeature curFeature = m_pTarFeatureLayer.FeatureClass.GetFeature(i);
switch (m_pTarFeatureLayer.FeatureClass.ShapeType)
{
case esriGeometryType.esriGeometryPolygon:
{
ISimpleFillSymbol sfs = new SimpleFillSymbolClass();
sfs.Color = curColor;
unqValueRenderr.AddValue(curFeature.get_Value(selectedFieldIndex).ToString(), "", sfs as ISymbol);
break;
}
case esriGeometryType.esriGeometryPoint:
{
ISimpleMarkerSymbol sms = new SimpleMarkerSymbolClass
{
Color = curColor
};
unqValueRenderr.AddValue(curFeature.get_Value(selectedFieldIndex).ToString(), "", sms as ISymbol);
break;
}
case esriGeometryType.esriGeometryPolyline:
{
ISimpleLineSymbol sls = new SimpleLineSymbolClass();
sls.Color = curColor;
unqValueRenderr.AddValue(curFeature.get_Value(selectedFieldIndex).ToString(), "", sls as ISymbol);
break;
}
}
curColor = enumColor.Next();
}
m_pTarGeoFeatureLayer.Renderer = unqValueRenderr as IFeatureRenderer;
frmMainOper(OperationType.RefreshMapCtrl);
frmMainOper(OperationType.UpdateTOCCtrl);
#endregion
}
private void LooRGBColors()
{
//
// Move to the required Color to show. We only have space to show ten colors
// at a time on the form. So when we wish to show the next ten colors,
// (colors 11-20, 21-30 etc) we iterate the colors enumeration appropriately.
//
int lngMoveNext = 0;
m_enumNewColors.Reset();
while (lngMoveNext < m_lngColors)
{
m_enumNewColors.Next();
lngMoveNext = lngMoveNext + 1;
}
//
// Show colors in textboxes as necessary.
//
IColor colNew = null;
int lngCount = 0;
for (lngCount = 0; lngCount <= 9; lngCount++)
{
//commented the control array txtColor - OLD
//With txtColor(lngCount)
// colNew = m_enumNewColors.Next
// '
// ' If getting the next color returns nothing, we have got to
// ' the end of the colors enumeration.
// '
// If colNew Is Nothing Then
// Exit For
// End If
// .BackColor = System.Drawing.ColorTranslator.FromOle(colNew.RGB)
// .Visible = True
//End With
colNew = m_enumNewColors.Next();
//
// If getting the next color returns nothing, we have got to
// the end of the colors enumeration.
//
if (colNew == null)
break;
TextBoxColors[lngCount].BackColor = System.Drawing.ColorTranslator.FromOle(colNew.RGB);
TextBoxColors[lngCount].Visible = true;
//Commented the control array lblIndex - OLD
//With lblIndex(lngCount)
// .Text = CStr(lngCount + m_lngColors)
// .Visible = True
//End With
//LabelsIndex[lngCount].Text = System.Convert().ToString(lngCount + m_lngColors);
LabelsIndex[lngCount].Text = Convert.ToString (lngCount+m_lngColors);
LabelsIndex[lngCount].Visible = true;
}
}
public void CategoryUniqueValues(IGeoFeatureLayer geoLayer, string aFieldName)
{
IUniqueValueRenderer MyIUniqueValueRenderer;
MyIUniqueValueRenderer = new UniqueValueRenderer();
MyIUniqueValueRenderer.FieldCount = 1;
MyIUniqueValueRenderer.set_Field(0, aFieldName);
int intFieldIndex;
intFieldIndex = geoLayer.FeatureClass.FindField(aFieldName);
IFeatureCursor MyIFeatureCursor;
IQueryFilter MyQueryFilter;
MyQueryFilter = new QueryFilter();
MyQueryFilter.SubFields = aFieldName;
MyIFeatureCursor = geoLayer.FeatureClass.Search(MyQueryFilter, true);
IRandomColorRamp MyIRandomColorRamp;
MyIRandomColorRamp = new RandomColorRamp();
MyIRandomColorRamp.Size = 16;
bool CheckColors;
MyIRandomColorRamp.CreateRamp(out CheckColors);
if (!CheckColors)
{
return;
}
IEnumColors MyIEnumColors = MyIRandomColorRamp.Colors;
ISimpleMarkerSymbol MyISimpleMarkerSymbol;
IColor MyIColor;
IFeature MyIFeature;
MyIFeature = MyIFeatureCursor.NextFeature();
while (MyIFeature != null)
{
MyISimpleMarkerSymbol = new SimpleMarkerSymbolClass();
MyIColor = MyIEnumColors.Next();
if ((MyIColor == null))
{
MyIEnumColors.Reset();
MyIColor = MyIEnumColors.Next();
}
MyISimpleMarkerSymbol.Style = esriSimpleMarkerStyle.esriSMSCross;
MyISimpleMarkerSymbol.Color = MyIColor;
MyISimpleMarkerSymbol.Size = 22;
MyIUniqueValueRenderer.AddValue(MyIFeature.get_Value(intFieldIndex).ToString(), "", ((ISymbol)(MyISimpleMarkerSymbol)));
MyIFeature = MyIFeatureCursor.NextFeature();
}
geoLayer.Renderer = MyIUniqueValueRenderer as IFeatureRenderer;
axMapControl1.ActiveView.Refresh();
}
/// <summary>
/// 枚举颜色变为列表
/// </summary>
/// <param name="pEnumColor"></param>
/// <returns></returns>
private static List <IColor> EnumColorsToList(IEnumColors pEnumColor)
{
pEnumColor.Reset();
List <IColor> aeColors = new List <IColor>();
IColor color = pEnumColor.Next();
while (color != null)
{
aeColors.Add(color);
color = pEnumColor.Next();
}
return(aeColors);
}
private void iRandomColorRampToolStripMenuItem_Click(object sender, EventArgs e)
{
IMap mmap = axMapControl1.Map;
IActiveView pActiveView = mmap as IActiveView;
IGeometry pLine = axMapControl1.TrackLine();
ISimpleLineSymbol pLineSymbol = new SimpleLineSymbolClass();
IEnumColors pEnumColors = CreateRdmColorRamp(140, 220, 35, 100, 32, 80, 12, 7);
IColor pColor = pEnumColors.Next();
pLineSymbol.Color = pColor;
pLineSymbol.Width = 2;
pLineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
IElement element = new LineElementClass();
element.Geometry = pLine;
ILineElement pLineElement = element as ILineElement;
pLineElement.Symbol = pLineSymbol;
IGraphicsContainer ppGraphicsContainer = mmap as IGraphicsContainer;
ppGraphicsContainer.AddElement(pLineElement as IElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
//单一值专题图
private void button3_Click(object sender, EventArgs e)
{
IGeoFeatureLayer geoFeatureLayer;
geoFeatureLayer = getGeoLayer("Continents");
IUniqueValueRenderer uniqueValueRenderer = new UniqueValueRendererClass();
uniqueValueRenderer.FieldCount = 1;
uniqueValueRenderer.set_Field(0, "continent");
//简单填充符号
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
IFeatureCursor featureCursor = geoFeatureLayer.FeatureClass.Search(null, false);
IFeature feature;
if (featureCursor != null)
{
IEnumColors enumColors = CreateAlgorithmicColorRamp(8).Colors;
int fieldIndex = geoFeatureLayer.FeatureClass.Fields.FindField("continent");
for (int i = 0; i < 8; i++)
{
feature = featureCursor.NextFeature();
string nameValue = feature.get_Value(fieldIndex).ToString();
simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = enumColors.Next();
uniqueValueRenderer.AddValue(nameValue, "continent", simpleFillSymbol as ISymbol);
}
}
geoFeatureLayer.Renderer = uniqueValueRenderer as IFeatureRenderer;
this.axMapControl1.Refresh();
}
//分级专题图
private void button2_Click(object sender, EventArgs e)
{
int classCount = 6;
ITableHistogram tableHistogram;
IBasicHistogram basicHistogram;
ITable table;
IGeoFeatureLayer geoFeatureLayer;
geoFeatureLayer = getGeoLayer("Continents");
ILayer layer = geoFeatureLayer as ILayer;
table = layer as ITable;
tableHistogram = new BasicTableHistogramClass();
//按照 数值字段分级
tableHistogram.Table = table;
tableHistogram.Field = "sqmi";
basicHistogram = tableHistogram as IBasicHistogram;
object values;
object frequencys;
//先统计每个值和各个值出现的次数
basicHistogram.GetHistogram(out values, out frequencys);
//创建平均分级对象
IClassifyGEN classifyGEN = new QuantileClass();
//用统计结果进行分级 ，级别数目为classCount
classifyGEN.Classify(values, frequencys, ref classCount);
//获得分级结果,是个 双精度类型数组
double[] classes;
classes = classifyGEN.ClassBreaks as double[];
IEnumColors enumColors = CreateAlgorithmicColorRamp(classes.Length).Colors;
IColor color;
IClassBreaksRenderer classBreaksRenderer = new ClassBreaksRendererClass();
classBreaksRenderer.Field = "sqmi";
classBreaksRenderer.BreakCount = classCount;
classBreaksRenderer.SortClassesAscending = true;
ISimpleFillSymbol simpleFillSymbol;
for (int i = 0; i < classes.Length - 1; i++)
{
color = enumColors.Next();
simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = color;
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
classBreaksRenderer.set_Symbol(i, simpleFillSymbol as ISymbol);
classBreaksRenderer.set_Break(i, classes[i]);
}
if (geoFeatureLayer != null)
{
geoFeatureLayer.Renderer = classBreaksRenderer as IFeatureRenderer;
}
this.axMapControl1.ActiveView.Refresh();
}
/// <summary>
/// 栅格分级渲染（注意选中字段唯一值个数不能小于设置的唯一值个数）
/// </summary>
/// <param name="rasterClassRenderer">分级渲染设置</param>
/// <param name="pStyleGalleryItem">颜色带样式</param>
public void ClassRenderer(IRasterClassifyColorRampRenderer rasterClassRenderer,
IStyleGalleryItem pStyleGalleryItem)
{
if (pStyleGalleryItem == null)
{
MessageBox.Show(@"Color ramp cannot be empty");
return;
}
IRasterRenderer rasterRend = (IRasterRenderer)rasterClassRenderer;
rasterRend.Raster = rasterLayer.Raster;
rasterRend.Update();
IEnumColors enumColors = RenderHelper.GetColorRamp(pStyleGalleryItem, rasterClassRenderer.ClassCount).Colors;
enumColors.Reset();
IFillSymbol fillSymbol = new SimpleFillSymbolClass();
for (int i = 0; i < rasterClassRenderer.ClassCount; i++)
{
fillSymbol.Color = enumColors.Next();
rasterClassRenderer.set_Symbol(i, (ISymbol)fillSymbol);
string label = Math.Round(rasterClassRenderer.Break[i], 2) + "-"
+ Math.Round(rasterClassRenderer.Break[i + 1], 2);
rasterClassRenderer.set_Label(i, label);
}
rasterLayer.Renderer = rasterRend;
}
//.................................................
//.................................................
//.................................................
private void AssignColorRamp(string fieldname, List <RiskRankingRange> pRiskRankingRanges)
{
// Get Statistics Values for the Selected Field
GetRankingStatistics(fieldname);
if (_minriskvalue >= _maxriskvalue)
{
return;
}
if (pRiskRankingRanges.Count == 0)
{
return;
}
if (m_styleGalleryItem == null)
{
return;
}
if (m_featureLayer == null)
{
return;
}
m_classBreaksRenderer.Field = fieldname;
m_classBreaksRenderer.BreakCount = pRiskRankingRanges.Count;
m_classBreaksRenderer.MinimumBreak = 0;
//Calculate the class interval by a simple mean value
double interval = (_maxriskvalue - _minriskvalue) / pRiskRankingRanges.Count;
//Get the color ramp
IColorRamp colorRamp = (IColorRamp)m_styleGalleryItem.Item;
//Set the size of the color ramp and recreate it
colorRamp.Size = Convert.ToInt32(pRiskRankingRanges.Count);
bool createRamp;
colorRamp.CreateRamp(out createRamp);
//Get the enumeration of colors from the color ramp
IEnumColors enumColors = colorRamp.Colors;
enumColors.Reset();
double currentBreak = m_classBreaksRenderer.MinimumBreak;
ISimpleLineSymbol simpleLineSymbol;
//Loop through each class break
for (int i = 0; i <= pRiskRankingRanges.Count - 1; i++)
{
//Set class break
m_classBreaksRenderer.set_Break(i, currentBreak);
//Create simple fill symbol and set color
simpleLineSymbol = new SimpleLineSymbolClass();
simpleLineSymbol.Color = enumColors.Next();
//Add symbol to renderer
m_classBreaksRenderer.set_Symbol(i, (ISymbol)simpleLineSymbol);
currentBreak += interval;
}
}
private void setColor(IGeoFeatureLayer IGFL)
{
int classCount = 10;
ITableHistogram tableHistogram;
IBasicHistogram basicHistogram;
ITable table;
IGeoFeatureLayer geoFeatureLayer;
geoFeatureLayer = IGFL;
ILayer layer = geoFeatureLayer as ILayer;
table = layer as ITable;
tableHistogram = new BasicTableHistogramClass();
tableHistogram.Table = table;
tableHistogram.Field = "HighTemperature";
basicHistogram = tableHistogram as IBasicHistogram;
object values;
object frequencys;
basicHistogram.GetHistogram(out values, out frequencys);
IClassifyGEN classifyGEN = new QuantileClass();
classifyGEN.Classify(values, frequencys, ref classCount);
double[] classes;
classes = classifyGEN.ClassBreaks as double[];
IEnumColors enumColors = CreateAlgorithmicColorRamp(classes.Length).Colors;
IColor color;
IClassBreaksRenderer classBreaksRenderer = new ClassBreaksRendererClass();
classBreaksRenderer.Field = "HighTemperature";
classBreaksRenderer.BreakCount = classCount + 1;
classBreaksRenderer.SortClassesAscending = true;
ISimpleFillSymbol simpleFillSymbol;
for (int i = 0; i < classes.Length; i++)
{
color = enumColors.Next();
simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = color;
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
classBreaksRenderer.set_Symbol(i, simpleFillSymbol as ISymbol);
classBreaksRenderer.set_Break(i, classes[i]);
}
if (geoFeatureLayer != null)
{
geoFeatureLayer.Renderer = classBreaksRenderer as IFeatureRenderer;
}
axMapControl1.ActiveView.Refresh();
}
private void mnuClassBreak_Click(object sender, EventArgs e)
{
ILayer pLayer = MainMap.get_Layer(0);
ITable pTable = pLayer as ITable;
IGeoFeatureLayer pGeoFeatureLayer = pLayer as IGeoFeatureLayer;
int classCount = 6;
ITableHistogram pTableHistogram;
IBasicHistogram pBasicHistogram;
pTableHistogram = new BasicTableHistogramClass();
//按照 数值字段分级
pTableHistogram.Table = pTable;
pTableHistogram.Field = "AREA";
pBasicHistogram = pTableHistogram as IBasicHistogram;
object values;
object frequencys;
//先统计每个值和各个值出现的次数
pBasicHistogram.GetHistogram(out values, out frequencys);
//创建等间距分级对象
IClassifyGEN classifyGEN = new EqualIntervalClass();
//用统计结果进行分级 ，级别数目为classCount
classifyGEN.Classify(values, frequencys, ref classCount);
//获得分级结果,是个 双精度类型数组
double[] classes;
classes = classifyGEN.ClassBreaks as double[];
IEnumColors enumColors = CreateAlgorithmicColorRamp(classes.Length).Colors;
IColor pColor;
IClassBreaksRenderer pClassBreaksRenderer = new ClassBreaksRendererClass();
pClassBreaksRenderer.Field = "AREA";
pClassBreaksRenderer.BreakCount = classCount;
pClassBreaksRenderer.SortClassesAscending = true;
ISimpleFillSymbol simpleFillSymbol;
for (int i = 0; i < classes.Length - 1; i++)
{
pColor = enumColors.Next();
simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = pColor;
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
pClassBreaksRenderer.set_Symbol(i, simpleFillSymbol as ISymbol);
pClassBreaksRenderer.set_Break(i, classes[i + 1]);
}
pGeoFeatureLayer.Renderer = pClassBreaksRenderer as IFeatureRenderer;
MainMap.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
private void cboColorRamp_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.bool_0)
{
this.icolorRamp_0 = this.cboColorRamp.GetSelectStyleGalleryItem().Item as IColorRamp;
(this.irasterClassifyColorRampRenderer_0 as IRasterClassifyUIProperties).ColorRamp =
this.cboColorRamp.Text;
if (this.irasterClassifyColorRampRenderer_0.ClassCount > 0)
{
bool flag;
this.icolorRamp_0.Size = this.irasterClassifyColorRampRenderer_0.ClassCount;
this.icolorRamp_0.CreateRamp(out flag);
IEnumColors colors = this.icolorRamp_0.Colors;
colors.Reset();
this.listView1.BeginUpdate();
for (int i = 0; i < this.irasterClassifyColorRampRenderer_0.ClassCount; i++)
{
ISymbol symbol = this.irasterClassifyColorRampRenderer_0.get_Symbol(i);
if (symbol is IMarkerSymbol)
{
(symbol as IMarkerSymbol).Color = colors.Next();
}
else if (symbol is ILineSymbol)
{
(symbol as ILineSymbol).Color = colors.Next();
}
else if (symbol is IFillSymbol)
{
(symbol as IFillSymbol).Color = colors.Next();
}
this.irasterClassifyColorRampRenderer_0.set_Symbol(i, symbol);
if (this.listView1.Items[i] is ListViewItemEx)
{
(this.listView1.Items[i] as ListViewItemEx).Style = symbol;
}
this.listView1.Items[i].Tag = symbol;
}
this.listView1.EndUpdate();
this.listView1.Invalidate();
}
}
}
private void method_4(IColorRamp icolorRamp_1,
IRasterClassifyColorRampRenderer irasterClassifyColorRampRenderer_1, int int_0, ITable itable_0,
string string_0, string string_1)
{
try
{
bool flag;
if (string_0.Length > 0)
{
irasterClassifyColorRampRenderer_1.ClassField = string_0;
}
if (string_1.Length > 0)
{
irasterClassifyColorRampRenderer_1.NormField = string_1;
}
IRasterRenderer renderer = (IRasterRenderer)irasterClassifyColorRampRenderer_1;
renderer.Raster = this.irasterLayer_0.Raster;
irasterClassifyColorRampRenderer_1.ClassCount = int_0;
renderer.Update();
this.bool_0 = false;
this.cboClassifyNum.SelectedIndex = irasterClassifyColorRampRenderer_1.ClassCount - 1;
this.bool_0 = true;
icolorRamp_1.Size = irasterClassifyColorRampRenderer_1.ClassCount;
icolorRamp_1.CreateRamp(out flag);
IEnumColors colors = icolorRamp_1.Colors;
ISymbol symbol = null;
for (int i = 0; i < irasterClassifyColorRampRenderer_1.ClassCount; i++)
{
string str;
IColor color = colors.Next();
ISimpleFillSymbol symbol2 = new SimpleFillSymbolClass
{
Color = color,
Style = esriSimpleFillStyle.esriSFSSolid
};
symbol = symbol2 as ISymbol;
irasterClassifyColorRampRenderer_1.set_Symbol(i, symbol);
if (i == (irasterClassifyColorRampRenderer_1.ClassCount - 1))
{
str = irasterClassifyColorRampRenderer_1.get_Break(i).ToString("0.####");
}
else
{
str = irasterClassifyColorRampRenderer_1.get_Break(i).ToString("0.####") + " - " +
irasterClassifyColorRampRenderer_1.get_Break(i + 1).ToString("0.####");
}
irasterClassifyColorRampRenderer_1.set_Label(i, str);
}
}
catch (Exception exception)
{
Logger.Current.Error("", exception, "");
}
}
/// <summary>
/// 获取符号颜色数组
/// </summary>
/// <param name="ColorRamp"></param>
/// <returns></returns>
public static IList <string> GimmeArrayListForColorRamp(IColorRamp ColorRamp)
{
IEnumColors EColors = ColorRamp.Colors;
IList <string> AL = new List <string>();
for (int i = 0; i <= ColorRamp.Size - 1; i++)
{
AL.Add(GimmeStringForColor(EColors.Next()));
}
return(AL);
}
private void colorRampComboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.bool_0)
{
this.icolorRamp_0 = this.colorRampComboBox1.GetSelectColorRamp();
(this.iclassBreaksRenderer_0 as IClassBreaksUIProperties).ColorRamp = this.colorRampComboBox1.Text;
if (this.iclassBreaksRenderer_0.BreakCount > 0)
{
bool flag;
this.icolorRamp_0.Size = this.iclassBreaksRenderer_0.BreakCount;
this.icolorRamp_0.CreateRamp(out flag);
IEnumColors colors = this.icolorRamp_0.Colors;
colors.Reset();
this.listView1.BeginUpdate();
for (int i = 0; i < this.iclassBreaksRenderer_0.BreakCount; i++)
{
ISymbol sym = this.iclassBreaksRenderer_0.get_Symbol(i);
if (sym is IMarkerSymbol)
{
(sym as IMarkerSymbol).Color = colors.Next();
}
else if (sym is ILineSymbol)
{
(sym as ILineSymbol).Color = colors.Next();
}
else if (sym is IFillSymbol)
{
(sym as IFillSymbol).Color = colors.Next();
}
this.iclassBreaksRenderer_0.set_Symbol(i, sym);
if (this.listView1.Items[i] is ListViewItemEx)
{
(this.listView1.Items[i] as ListViewItemEx).Style = sym;
}
this.listView1.Items[i].Tag = sym;
}
this.listView1.EndUpdate();
this.listView1.Invalidate();
}
}
}
private int[,] RedToBlueColorRamps()
{
IEnumColors pEnumColors = null;
int[,] arrSepLineColor = new int[10, 3];
IAlgorithmicColorRamp pColorRamp1 = new AlgorithmicColorRampClass();
IAlgorithmicColorRamp pColorRamp2 = new AlgorithmicColorRampClass();
pColorRamp1.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
pColorRamp2.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
IRgbColor pColor1 = new RgbColor();
IRgbColor pColor2 = new RgbColor();
IRgbColor pColor3 = new RgbColor();
pColor1 = pSnippet.getRGB(165, 0, 38);
pColor2 = pSnippet.getRGB(255, 255, 191);
pColor3 = pSnippet.getRGB(49, 54, 149);
pColorRamp1.FromColor = pColor1;
pColorRamp1.ToColor = pColor2;
pColorRamp2.FromColor = pColor2;
pColorRamp2.ToColor = pColor3;
Boolean blnOK = true;
IMultiPartColorRamp pMultiColorRamp = new MultiPartColorRampClass();
pMultiColorRamp.Ramp[0] = pColorRamp1;
pMultiColorRamp.Ramp[1] = pColorRamp2;
pMultiColorRamp.Size = 10;
pMultiColorRamp.CreateRamp(out blnOK);
pEnumColors = pMultiColorRamp.Colors;
pEnumColors.Reset();
for (int k = 0; k < 10; k++)
{
IColor pColor = pEnumColors.Next();
IRgbColor pRGBColor = new RgbColorClass();
pRGBColor.RGB = pColor.RGB;
arrSepLineColor[k, 0] = pRGBColor.Red;
arrSepLineColor[k, 1] = pRGBColor.Green;
arrSepLineColor[k, 2] = pRGBColor.Blue;
}
return(arrSepLineColor);
}
public IUniqueValueRenderer MakeUniqueValueRenderer()
{
IFeatureLayer data = (this.cboLayers.SelectedItem as LayerObject).Layer as IFeatureLayer;
IUniqueValueRenderer renderer = new UniqueValueRendererClass();
ISymbol symbol = this.method_3(data.FeatureClass.ShapeType);
if (symbol != null)
{
renderer.FieldCount = 1;
renderer.set_Field(0, this.cboFields.Text);
renderer.DefaultLabel = "默认符号";
renderer.DefaultSymbol = symbol;
renderer.UseDefaultSymbol = true;
try
{
bool flag;
string str = this.method_4(data.FeatureClass.ShapeType);
this.icolorRamp_0.Size = this.listView1.Items.Count;
this.icolorRamp_0.CreateRamp(out flag);
IEnumColors colors = this.icolorRamp_0.Colors;
colors.Reset();
for (int i = 0; i < this.listView1.Items.Count; i++)
{
ISymbol symbol2;
ListViewItem item = this.listView1.Items[i];
IStyleGalleryItem item2 = SymbolFind.FindStyleGalleryItem(item.SubItems[0].Text, this.m_pSG,
this.cboStyleGrally.Text, str, "");
if (item2 == null)
{
IColor color = colors.Next();
symbol2 = (symbol as IClone).Clone() as ISymbol;
this.method_2(symbol2, color);
}
else
{
symbol2 = (item2.Item as IClone).Clone() as ISymbol;
}
renderer.AddValue(item.SubItems[0].Text, null, symbol2);
}
(data as IGeoFeatureLayer).Renderer = renderer as IFeatureRenderer;
(this.imap_0 as IActiveView).PartialRefresh(esriViewDrawPhase.esriViewGeography, data, null);
return(renderer);
}
catch (Exception exception)
{
Logger.Current.Error("", exception, "");
}
}
return(renderer);
}
private void btn_OK_Click(object sender, EventArgs e)
{
string FieldName = cbx_Field.SelectedItem.ToString();
IGeoFeatureLayer pGeoFeatureLayer = (IGeoFeatureLayer)m_FeatureLayer;
pGeoFeatureLayer.ScaleSymbols = false;
ITable pTable = (ITable)pGeoFeatureLayer;
if (pTable.FindField(FieldName) == -1)
{
return;
}
else
{
IUniqueValueRenderer pUniqueValueRenderer = new UniqueValueRendererClass();
pUniqueValueRenderer.FieldCount = 1;
pUniqueValueRenderer.set_Field(0, FieldName);
IColorRamp pColorRamp = (IColorRamp)m_StyleGallertItem.Item;
pColorRamp.Size = pTable.RowCount(null);
bool ok = true;
pColorRamp.CreateRamp(out ok);
IEnumColors pEnumRamp = pColorRamp.Colors;
IQueryFilter pQueryFilter = new QueryFilterClass();
pQueryFilter.AddField(FieldName);
//依据某个字段在表中找出指向所有行的游标对象
ICursor pCursor = pTable.Search(pQueryFilter, true);
IRow pNextRow = pCursor.NextRow();
//遍历所有的要素
IColor pNextUniqueColor;
string codeValue;
while (pNextRow != null)
{
codeValue = pNextRow.get_Value(pTable.FindField(FieldName)).ToString();
//获得随机颜色带中的任意一种颜色
pNextUniqueColor = pEnumRamp.Next();
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pFillSymbol.Color = pNextUniqueColor;
//将每次得到的要素字段值和修饰它的符号放入着色对象中
pUniqueValueRenderer.AddValue(codeValue, FieldName, (ISymbol)pFillSymbol);
pNextRow = pCursor.NextRow();
}
pGeoFeatureLayer.Renderer = (IFeatureRenderer)pUniqueValueRenderer;
m_MapControl.ActiveView.ContentsChanged();
m_MapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
}
/// <summary>
/// 唯一值法渲染器(UniqueValueRender)——根据特征的某不同属性值来绘制该特征的符号
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void 唯一值法渲染ToolStripMenuItem_Click(object sender, EventArgs e)
{
//定义IGeoFeatureLayer变量, 提供一个要素图层对成员控制地理特征的入口
IGeoFeatureLayer geoFeatureLayer = getGeoLayer("北部湾");
//使用查询的方式, 获得参与渲染的记录条数
int get_Count = geoFeatureLayer.FeatureClass.FeatureCount(null);
//提供操作唯一值的相关成员
IUniqueValueRenderer uniqueValueRenderer = new UniqueValueRendererClass();
//设置渲染的字段个数范围：0~3个
//这里仅设置1个字段
uniqueValueRenderer.FieldCount = 1;
//设置渲染字段, 并制定到索引处
//索引从0开始; 设定渲染字段为"地市名"
uniqueValueRenderer.set_Field(0, "地市名");
//简单填充符号
ISimpleFillSymbol simpleFillSymbol;
//获得指向渲染要素的游标
IFeatureCursor pFtCursor = geoFeatureLayer.FeatureClass.Search(null, false);
IFeature pFeature;
if (pFtCursor != null)
{
//定义枚举颜色带, 调用函数, 生成随机颜色带
IEnumColors enumColors = CreateRandomColorRamp(get_Count).Colors;
//查找到"地市名"字段的索引(index)
int fieldIndex = geoFeatureLayer.FeatureClass.Fields.FindField("地市名");
while ((pFeature = pFtCursor.NextFeature()) != null)
{
//获取要素值
string nameValue = pFeature.get_Value(fieldIndex).ToString();
//实例化填充符号
//使用填充符号来赋值地图的背景值
simpleFillSymbol = new SimpleFillSymbolClass();
//给要素附上样式
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
//给要素附上颜色
simpleFillSymbol.Color = enumColors.Next() as IColor;
//值和符号对应
uniqueValueRenderer.AddValue(nameValue, "地市", simpleFillSymbol as ISymbol);
}
}
//赋值目标图层的渲染器属性
geoFeatureLayer.Renderer = uniqueValueRenderer as IFeatureRenderer;
axMapControl1.Refresh(); //刷新axMapControl1
axTOCControl1.Update(); //更新axTOCControl1
}
public void DrawSymbolinListViewwithCb(int intGCBreakeCount, double[] cb)
{
try
{
if (cb == null)
{
return;
}
strClassificationMethod = "Breaks maximum " + cboMethod.Text + " between Observations";
pRender = new ClassBreaksRenderer();
pRender.Field = cboValueField.Text;
pRender.BreakCount = intGCBreakeCount;
pRender.MinimumBreak = cb[0];
string strColorRamp = cboColorRamp.Text;
pEnumColors = MultiPartColorRamp(strColorRamp, cboAlgorithm.Text, intGCBreakeCount);
pEnumColors.Reset();
arrColors = new int[intGCBreakeCount, 3];
for (int k = 0; k < intGCBreakeCount; k++)
{
IColor pColor = pEnumColors.Next();
IRgbColor pRGBColor = new RgbColorClass();
pRGBColor.RGB = pColor.RGB;
arrColors[k, 0] = pRGBColor.Red;
arrColors[k, 1] = pRGBColor.Green;
arrColors[k, 2] = pRGBColor.Blue;
}
pEnumColors.Reset();
UpdateRange(lvSymbol, intGCBreakeCount);
}
catch (Exception ex)
{
MessageBox.Show(this.Handle.ToString() + " Error:" + ex.Message);
return;
}
}
private void button2_Click(object sender, System.EventArgs e)
{
//Create a new ClassBreaksRenderer and set properties
m_classBreaksRenderer = new ClassBreaksRenderer();
m_classBreaksRenderer.Field = comboBox1.SelectedItem.ToString();
m_classBreaksRenderer.BreakCount = Convert.ToInt32(textBox1.Text);
m_classBreaksRenderer.MinimumBreak = Convert.ToDouble(textBox2.Text);
//Calculate the class interval by a simple mean value
double interval = (Convert.ToDouble(textBox3.Text) - m_classBreaksRenderer.MinimumBreak) / m_classBreaksRenderer.BreakCount;
//Get the color ramp
IColorRamp colorRamp = (IColorRamp)m_styleGalleryItem.Item;
//Set the size of the color ramp and recreate it
colorRamp.Size = Convert.ToInt32(textBox1.Text);
bool createRamp;
colorRamp.CreateRamp(out createRamp);
//Get the enumeration of colors from the color ramp
IEnumColors enumColors = colorRamp.Colors;
enumColors.Reset();
double currentBreak = m_classBreaksRenderer.MinimumBreak;
ISimpleFillSymbol simpleFillSymbol;
//Loop through each class break
for (int i = 0; i <= m_classBreaksRenderer.BreakCount - 1; i++)
{
//Set class break
m_classBreaksRenderer.set_Break(i, currentBreak);
//Create simple fill symbol and set color
simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = enumColors.Next();
//Add symbol to renderer
m_classBreaksRenderer.set_Symbol(i, (ISymbol)simpleFillSymbol);
currentBreak += interval;
}
//Hide the form
this.Hide();
}
public void createClassBreakRender(string ClassField)
{
int classCount = 5;
ILayer pLayer = axMapControl1.get_Layer(2);
IFeatureLayer pFeatLayer = (IFeatureLayer)pLayer;
IGeoFeatureLayer geoFeatureLayer = (IGeoFeatureLayer)pLayer;
double[] classes;
//classes = classifyGEN.ClassBreaks as double[];
classes = new double[] { 0, 1, 2, 3, 3 };
IEnumColors enumColors = CreateAlgorithmicColorRamp(classes.Length).Colors;
IColor color;
IClassBreaksRenderer classBreaksRenderer = new ClassBreaksRendererClass();
classBreaksRenderer.Field = ClassField;
classBreaksRenderer.BreakCount = classCount;//分级数目
classBreaksRenderer.SortClassesAscending = true;
ISimpleLineSymbol simpleLineSymbol;
for (int i = 0; i < classes.Length - 1; i++)
{
color = enumColors.Next();
simpleLineSymbol = new SimpleLineSymbolClass();
simpleLineSymbol.Color = color;
simpleLineSymbol.Width = 4.0;
simpleLineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
classBreaksRenderer.set_Symbol(i, simpleLineSymbol as ISymbol);
classBreaksRenderer.set_Break(i, classes[i]);
}
if (geoFeatureLayer != null)
{
geoFeatureLayer.Renderer = classBreaksRenderer as IFeatureRenderer;
//刷新地图和TOOCotrol
IActiveView pActiveView = axMapControl1.Map as IActiveView;
pActiveView.Refresh();
axTOCControl1.Update();
}
}
private void button4_Click(object sender, EventArgs e)
{
IEnumColors pEnumColors = null;
IColor color;
pEnumColors = CreatePresetColorRamp().Colors;
pEnumColors.Reset();
this.pictureBox1.BackColor = ColorTranslator.FromOle(pEnumColors.Next().RGB);
this.pictureBox2.BackColor = ColorTranslator.FromOle(pEnumColors.Next().RGB);
this.pictureBox3.BackColor = ColorTranslator.FromOle(pEnumColors.Next().RGB);
this.pictureBox4.BackColor = ColorTranslator.FromOle(pEnumColors.Next().RGB);
this.pictureBox5.BackColor = ColorTranslator.FromOle(pEnumColors.Next().RGB);
this.pictureBox6.BackColor = ColorTranslator.FromOle(pEnumColors.Next().RGB);
}
/// <summary>
/// 添加唯一值和设置标注符号
/// </summary>
/// <param name="uniqueValueRenderer">唯一值渲染</param>
/// <param name="uniqueValue">唯一值</param>
/// <param name="enumColors">颜色带</param>
private static void AddValueAndSetLabelSymbol <T>(IRasterUniqueValueRenderer uniqueValueRenderer, List <T> uniqueValue,
IEnumColors enumColors)
{
IFillSymbol fillSymbol = new SimpleFillSymbolClass();
for (int i = 0; i < uniqueValue.Count; i++)
{
object currentValue = uniqueValue[i];
uniqueValueRenderer.AddValue(0, i, currentValue);
fillSymbol.Color = enumColors.Next();
string valueLabel = currentValue.ToString();
if (StringHelper.IsNumeric(valueLabel))
{
//获取四位小数的字符串
valueLabel = GetRound(currentValue);
}
uniqueValueRenderer.set_Label(0, i, valueLabel);
uniqueValueRenderer.set_Symbol(0, i, (ISymbol)fillSymbol);
}
}
/// <summary>
/// 单一值渲染(多字段）
/// </summary>
/// <param name="layerName">图层名</param>
/// <param name="RenderField">多字段名</param>
/// <param name="FillStyle">样式</param>
/// <param name="valueCount">每个字段中唯一值的个数</param>
public void CreateUniqueValueRander(ILayer pLayer, string[] RenderField, esriSimpleFillStyle FillStyle,
int[] valueCount)
{
IGeoFeatureLayer geoFeatureLayer;
geoFeatureLayer = pLayer as IGeoFeatureLayer;
IUniqueValueRenderer uniqueValueRenderer = new UniqueValueRenderer();
//可以设置多个字段
uniqueValueRenderer.FieldCount = RenderField.Length; //0-3个
for (int i = 0; i < RenderField.Length; i++)
{
uniqueValueRenderer.set_Field(i, RenderField[i]);
}
//简单填充符号
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbol();
simpleFillSymbol.Style = FillStyle;
IFeatureCursor featureCursor = geoFeatureLayer.FeatureClass.Search(null, false);
IFeature feature;
if (featureCursor != null)
{
for (int i = 0; i < RenderField.Length; i++)
{
IEnumColors enumColors = CreateAlgorithmicColorRamp();
int fieldIndex = geoFeatureLayer.FeatureClass.Fields.FindField(RenderField[i]);
for (int j = 0; j < valueCount[i]; j++)
{
feature = featureCursor.NextFeature();
string nameValue = feature.get_Value(fieldIndex).ToString();
simpleFillSymbol = new SimpleFillSymbol();
simpleFillSymbol.Color = enumColors.Next();
uniqueValueRenderer.AddValue(nameValue, RenderField[i], simpleFillSymbol as ISymbol);
}
}
}
geoFeatureLayer.Renderer = uniqueValueRenderer as IFeatureRenderer;
}
private IColor method_3(int int_0)
{
bool flag;
IRandomColorRamp ramp = new RandomColorRampClass
{
StartHue = 40,
EndHue = 120,
MinValue = 65,
MaxValue = 90,
MinSaturation = 25,
MaxSaturation = 45,
Size = 5,
Seed = int_0
};
ramp.CreateRamp(out flag);
IEnumColors colors = ramp.Colors;
colors.Reset();
return(colors.Next());
}
void IThematic.SingleRender()
{
//_ftLayer = (IFeatureLayer)_mapControl.get_Layer(0);
_geoFeatureLayer = (IGeoFeatureLayer)_ftLayer;
_ftClass = _ftLayer.FeatureClass;
_table = (ITable)_ftClass;
_interval = (this._maxValue - this._minValue) / this._breakCount;
_renderer.Field = _fieldName;
_renderer.BreakCount = _breakCount;
_renderer.SortClassesAscending = true;
_colorFrom.Hue = 60;
_colorFrom.Saturation = 100;
_colorFrom.Value = 96;
_colorTo.Hue = 0;
_colorTo.Saturation = 100;
_colorTo.Value = 96;
_algClrRamp.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
_algClrRamp.FromColor = _colorFrom;
_algClrRamp.ToColor = _colorTo;
_algClrRamp.Size = _breakCount;
bool ok;
_algClrRamp.CreateRamp(out ok);
_enumColors = _algClrRamp.Colors;
IColor pColor;
_currentValue = _minValue;//_renderer.MinimumBreak;
for (int breakIndex = 0; breakIndex < _breakCount; breakIndex++)
{
pColor = _enumColors.Next();
_symbol = new SimpleFillSymbolClass();
_symbol.Color = pColor;
_symbol.Style = esriSimpleFillStyle.esriSFSSolid;
_renderer.set_Break(breakIndex, _currentValue);
_renderer.set_Symbol(breakIndex, (ISymbol)_symbol);
_currentValue += _interval;
}
_mapControl.AddLayer(_ftLayer,0);
_geoFeatureLayer.Renderer = (IFeatureRenderer)_renderer;
_mapControl.ActiveView.Refresh();
_tocControl.Update();
//_tableHistogram.Field = _fieldName;
//_tableHistogram.Table = _table;
//_classify.
}