//HSV颜色构造器
private IHsvColor getHSV(int Hue, int Saturation, int Val)
{
IHsvColor pColor; pColor = new HsvColorClass();
pColor.Hue = Hue;
pColor.Saturation = Saturation;
pColor.Value = Val; return(pColor);
}
public IColor getHVS(int H = 0, int S = 0, int V = 0)
{
IHsvColor pHsvColor;
pHsvColor = new HsvColorClass();
pHsvColor.Hue = H;
pHsvColor.Saturation = S;
pHsvColor.Value = V;
return(pHsvColor as IColor);
}
public IHsvColor Hsv(int hue, int saturation, int val)
{
IHsvColor pHsvC;
pHsvC = new HsvColorClass();
pHsvC.Hue = hue;
pHsvC.Saturation = saturation;
pHsvC.Value = val;
return(pHsvC);
}
/// <summary>
/// 输入HSV值，获取IHsvColor型值
/// </summary>
/// <param name="intH">Hue</param>
/// <param name="intS">Saturation</param>
/// <param name="intV">Value</param>
/// <returns>IHsvColor</returns>
public static IHsvColor GetHsvColor(int intH, int intS, int intV)
{
IHsvColor hsvColor = null;
if (intH < 0 || intH > 360 || intS < 0 || intS > 100 || intV < 0 || intV > 100)
{
return(hsvColor);
}
hsvColor = new HsvColorClass();
hsvColor.Hue = intH;
hsvColor.Saturation = intS;
hsvColor.Value = intV;
return(hsvColor);
}
public IHsvColor GetHsvColor(int iHue, int iSaturation, int iValue, bool bUseWinDithering)
{
try
{
IHsvColor color = null;
color = new HsvColorClass();
iHue = this.CheckNumValueRegion(iHue, 0, 360);
iSaturation = this.CheckNumValueRegion(iSaturation, 0, 100);
iValue = this.CheckNumValueRegion(iValue, 0, 100);
color.Hue = iHue;
color.Saturation = iSaturation;
color.Value = iValue;
color.UseWindowsDithering = bUseWinDithering;
return(color);
}
catch (Exception exception)
{
this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.ColorFun", "GetHsvColor", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
return(null);
}
}
/// <summary>
/// Class Break Render
/// </summary>
/// <param name="currentLayer"></param>
/// <param name="breakCount"></param>
/// <author>Shen Yongyuan</author>
/// <date>20091114</date>
public static void ClassBreakRender(ILayer currentLayer, int breakCount, string fieldName, ref double[] Classes, ref int[] Colors, bool reverse)
{
//Get All Value
object dataFrequency = null;
object dataValues = null;
ITableHistogram pTableHistogram = new BasicTableHistogramClass();
IBasicHistogram pHistogram = (IBasicHistogram)pTableHistogram;
pTableHistogram.Field = fieldName;
pTableHistogram.Table = (currentLayer as IGeoFeatureLayer).DisplayFeatureClass as ITable;
pHistogram.GetHistogram(out dataValues, out dataFrequency);
//Class
IClassifyGEN pClassify = new EqualIntervalClass();
pClassify.Classify(dataValues, dataFrequency, ref breakCount);
//Set Class Breaks
Classes = (double[])pClassify.ClassBreaks;
int ClassesCount = Classes.GetUpperBound(0);
IClassBreaksRenderer pClassBreaksRenderer = new ClassBreaksRendererClass();
pClassBreaksRenderer.Field = fieldName;
//Set From to Color
IHsvColor pFromColor = new HsvColorClass();
pFromColor.Hue = reverse ? 105 : 353;
pFromColor.Saturation = reverse ? 46 : 56;
pFromColor.Value = reverse ? 76 : 92;
IHsvColor pToColor = new HsvColorClass();
pToColor.Hue = reverse ? 353 : 105;
pToColor.Saturation = reverse ? 56 : 46;
pToColor.Value = reverse ? 92 : 76;
//Get Color
IAlgorithmicColorRamp pAlgorithmicCR = new AlgorithmicColorRampClass();
pAlgorithmicCR.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
pAlgorithmicCR.FromColor = pFromColor;
pAlgorithmicCR.ToColor = pToColor;
pAlgorithmicCR.Size = ClassesCount;
bool ok = false;
pAlgorithmicCR.CreateRamp(out ok);
IEnumColors pEnumColors = pAlgorithmicCR.Colors;
//Set Break Count
pClassBreaksRenderer.BreakCount = ClassesCount;
pClassBreaksRenderer.SortClassesAscending = true;
//Set Break Interval
for (int lbreakIndex = 0; lbreakIndex <= ClassesCount - 1; lbreakIndex++)
{
IColor pColor = pEnumColors.Next();
Colors[lbreakIndex] = pColor.RGB;
ISimpleFillSymbol pSimpleFillS = new SimpleFillSymbolClass();
pSimpleFillS.Color = pColor;
pSimpleFillS.Style = esriSimpleFillStyle.esriSFSSolid;
pClassBreaksRenderer.set_Symbol(lbreakIndex, (ISymbol)pSimpleFillS);
pClassBreaksRenderer.set_Break(lbreakIndex, Classes[lbreakIndex + 1]);
}
//Set Render
(currentLayer as IGeoFeatureLayer).Renderer = pClassBreaksRenderer as IFeatureRenderer;
}
private void polygonClassificationDye(ILayer pLayer)
{
IGeoFeatureLayer pGeoFeatureLayer;
ITable pTable;
IClassifyGEN pClassify;
ITableHistogram pTableHistogram;
IBasicHistogram pHistogram;
object dataFrequency;
object dataValues;
double[] Classes;
int ClassesCount;
IClassBreaksRenderer pClassBreakRenderer;
IHsvColor pFromColor;
IHsvColor pToColor;
IAlgorithmicColorRamp pAIgorithmicCR;
IEnumColors pEnumColors;
bool ok;
IColor pColor;
ISimpleFillSymbol pSimpleFillS;
int IbreakIndex;
string strPopFiled = cbField1.Text;
int numDesiredClasses;
try
{
numDesiredClasses = int.Parse(textBox1.Text.ToString());
}
catch
{
MessageBox.Show("请输入分级个数");
return;
}
IMap pMap = axMapControl1.Map;
pMap.ReferenceScale = 0;
pGeoFeatureLayer = pLayer as IGeoFeatureLayer;
//从pTable的id字段中得到信息给dataValues和dataFrequency两个数组
pTable = (ITable)pGeoFeatureLayer.FeatureClass;
pTableHistogram = new BasicTableHistogramClass();
pHistogram = (IBasicHistogram)pTableHistogram;
pTableHistogram.Field = strPopFiled;
pTableHistogram.Table = pTable;
pHistogram.GetHistogram(out dataValues, out dataFrequency);
//下面是分级方法，用于根据获取的值计算出符号要求的数据
pClassify = new EqualIntervalClass();
try
{
pClassify.Classify(dataValues, dataFrequency, ref numDesiredClasses);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
//返回一个数组
Classes = (double[])pClassify.ClassBreaks;
ClassesCount = Classes.GetUpperBound(0);
pClassBreakRenderer = new ClassBreaksRendererClass();
pClassBreakRenderer.Field = strPopFiled;
//设置着色对象的分级数目
pClassBreakRenderer.BreakCount = ClassesCount;
pClassBreakRenderer.SortClassesAscending = true;
//产生分级着色需要的颜色带对象的起止颜色对象
pFromColor = new HsvColorClass();
pFromColor.Hue = 60;
pFromColor.Saturation = 100;
pFromColor.Value = 96;
pToColor = new HsvColorClass();
pToColor.Hue = 0;
pToColor.Saturation = 100;
pToColor.Value = 96;
//产生颜色带对象
pAIgorithmicCR = new AlgorithmicColorRampClass();
pAIgorithmicCR.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
pAIgorithmicCR.FromColor = pFromColor;
pAIgorithmicCR.ToColor = pToColor;
pAIgorithmicCR.Size = ClassesCount;
pAIgorithmicCR.CreateRamp(out ok);
//获得颜色
pEnumColors = pAIgorithmicCR.Colors;
//分类着色对象中的symbol和break的下标是从0开始
for (IbreakIndex = 0; IbreakIndex <= ClassesCount - 1; IbreakIndex++)
{
pColor = pEnumColors.Next();
pSimpleFillS = new SimpleFillSymbolClass();
pSimpleFillS.Color = pColor;
pSimpleFillS.Style = esriSimpleFillStyle.esriSFSSolid;
//这里是构造函数不同颜色着色的方法
pClassBreakRenderer.set_Symbol(IbreakIndex, (ISymbol)pSimpleFillS);
//着色对象的断点
pClassBreakRenderer.set_Break(IbreakIndex, Classes[IbreakIndex + 1]);
}
pGeoFeatureLayer.Renderer = (IFeatureRenderer)pClassBreakRenderer;
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
public void GraduatedColors(IFeatureLayer pfeatLyr, string sFieldName, int numclasses)
{
IGeoFeatureLayer pGeoFeatureL = pfeatLyr as IGeoFeatureLayer;
object dataFrequency;
object dataValues;
bool ok;
int breakIndex;
ITable pTable = pGeoFeatureL.FeatureClass as ITable;//各个字段变成一个表
ITableHistogram pTableHistogram = new BasicTableHistogramClass();
IBasicHistogram pBasicHistogram = (IBasicHistogram)pTableHistogram;
pTableHistogram.Field = sFieldName;
pTableHistogram.Table = pTable;
pBasicHistogram.GetHistogram(out dataValues, out dataFrequency);//获取渲染值及其出现的频率
IClassifyGEN pClassify = new EqualIntervalClass();
pClassify.Classify(dataValues, dataFrequency, ref numclasses);//进行等级划分
double[] Classes = pClassify.ClassBreaks as double[];
int classescount = Classes.GetUpperBound(0);
IClassBreaksRenderer pClassBreaksRenderer = new ClassBreaksRendererClass();
pClassBreaksRenderer.Field = sFieldName; //分段字段
pClassBreaksRenderer.BreakCount = classescount; //设置分级数目
pClassBreaksRenderer.SortClassesAscending = true; //分机后的图例是否按升级顺序排列
//分级颜色带的开始颜色和结束颜色（即分级颜色在此范围内）
IHsvColor pFromColor = new HsvColorClass(); //起始颜色
pFromColor.Hue = 0; //黄色
pFromColor.Saturation = 50;
pFromColor.Value = 96;
IHsvColor ptocolor = new HsvColorClass(); //终止颜色
ptocolor.Hue = 80; //不知道什么颜色
ptocolor.Saturation = 100;
ptocolor.Value = 96;
//产生颜色带对象
IAlgorithmicColorRamp pAlgorithmicColorRamp = new AlgorithmicColorRampClass();
pAlgorithmicColorRamp.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
pAlgorithmicColorRamp.FromColor = pFromColor;
pAlgorithmicColorRamp.ToColor = ptocolor;
pAlgorithmicColorRamp.Size = classescount;
pAlgorithmicColorRamp.CreateRamp(out ok);
//获得颜色
IEnumColors pEnumColors = pAlgorithmicColorRamp.Colors;
//symbol和break下标从0开始
for (breakIndex = 0; breakIndex <= classescount - 1; breakIndex++)
{
IColor pColor = pEnumColors.Next();
switch (pGeoFeatureL.FeatureClass.ShapeType)
{
case esriGeometryType.esriGeometryPolygon:
{
ISimpleFillSymbol pSimpleFills = new SimpleFillSymbolClass();
pSimpleFills.Color = pColor;
pSimpleFills.Style = esriSimpleFillStyle.esriSFSSolid;
pClassBreaksRenderer.set_Symbol(breakIndex, (ISymbol)pSimpleFills); //设置填充符号
pClassBreaksRenderer.set_Break(breakIndex, Classes[breakIndex + 1]); //设定每一分级的分级断点
break;
}
case esriGeometryType.esriGeometryPolyline:
{
ISimpleLineSymbol pSimplelines = new SimpleLineSymbolClass();
pSimplelines.Color = pColor;
pClassBreaksRenderer.set_Symbol(breakIndex, (ISymbol)pSimplelines); //设置填充符号
pClassBreaksRenderer.set_Break(breakIndex, Classes[breakIndex + 1]); //设定每一分级的分级断点
break;
}
case esriGeometryType.esriGeometryPoint:
{
ISimpleMarkerSymbol pSimplemaker = new SimpleMarkerSymbolClass();
pSimplemaker.Color = pColor;
pClassBreaksRenderer.set_Symbol(breakIndex, (ISymbol)pSimplemaker); //设置填充符号
pClassBreaksRenderer.set_Break(breakIndex, Classes[breakIndex + 1]); //设定每一分级的分级断点
break;
}
}
}
pGeoFeatureL.Renderer = (IFeatureRenderer)pClassBreaksRenderer;
axMapControl1.Refresh();
axTOCControl1.Update();
}
private IHsvColor getHsvColor(int hue, int saturation, int value)
{
IHsvColor pHsvColor = new HsvColorClass();
pHsvColor.Hue = hue;
pHsvColor.Saturation = saturation;
pHsvColor.Value = value;
return pHsvColor;
}
void ClassifyColor()
{
IGeoFeatureLayer geoFeatureLayer = mapControl.Map.get_Layer(17) as IGeoFeatureLayer;
string a = geoFeatureLayer.Name;
object dataFrequency, dataValues;
ITableHistogram tableHistogram = new BasicTableHistogramClass();
IBasicHistogram basicHistogram = (IBasicHistogram)tableHistogram;
tableHistogram.Field = cmbSelField.Text;
tableHistogram.Table = geoFeatureLayer.FeatureClass as ITable;
basicHistogram.GetHistogram(out dataValues, out dataFrequency);
IClassifyGEN classifyGEN = new EqualIntervalClass();
classifyGEN.Classify(dataValues, dataFrequency, Convert.ToInt32(cmbnumclasses.Text));
double[] classes = classifyGEN.ClassBreaks as double[];
int classesCount = classes.GetUpperBound(0);
IClassBreaksRenderer classBreaksRenderer = new ClassBreaksRendererClass();
classBreaksRenderer.Field = cmbSelField.Text;
classBreaksRenderer.BreakCount = classesCount;
classBreaksRenderer.SortClassesAscending = true;
IHsvColor fromColor = new HsvColorClass();
fromColor.Hue = 0; fromColor.Saturation = 50;
fromColor.Value = 96;
IHsvColor toColor = new HsvColorClass();
toColor.Hue = 80;
toColor.Saturation = 100;
toColor.Value = 96;
bool ok;
//产生色带
IAlgorithmicColorRamp algorithmicCR = new AlgorithmicColorRampClass();
algorithmicCR.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
algorithmicCR.FromColor = fromColor;
algorithmicCR.ToColor = toColor;
algorithmicCR.Size = classesCount;
algorithmicCR.CreateRamp(out ok);
//获得颜色
IEnumColors enumColors = algorithmicCR.Colors;
for (int breakIndex = 0; breakIndex <= classesCount - 1; breakIndex++)
{
IColor color = enumColors.Next();
ISimpleFillSymbol simpleFill = new SimpleFillSymbolClass();
simpleFill.Color = color;
simpleFill.Style = esriSimpleFillStyle.esriSFSSolid;
classBreaksRenderer.set_Symbol(breakIndex, (ISymbol)simpleFill);
classBreaksRenderer.set_Break(breakIndex, classes[breakIndex + 1]);
}
geoFeatureLayer.Renderer = (IFeatureRenderer)classBreaksRenderer;
mapControl.Refresh();
mapControl.ActiveView.Refresh();
tocControl.Update();
}
public IHsvColor Hsv(int hue, int saturation, int val)
{
IHsvColor pHsvC;
pHsvC = new HsvColorClass();
pHsvC.Hue = hue;
pHsvC.Saturation = saturation;
pHsvC.Value = val;
return pHsvC;
}
