private void initialClassify()
{
if (layer2Symbolize == null)
{
return;
}
IFeatureClass featureClass = layer2Symbolize.FeatureClass;
ITable pTable = (ITable)featureClass;
ITableHistogram pTableHistogram = new BasicTableHistogramClass();
IBasicHistogram pHistogram = (IBasicHistogram)pTableHistogram;
pTableHistogram.Field = strRendererField;
if (strNormalizeField.ToLower() != "none")
{
pTableHistogram.NormField = strNormalizeField;
}
pTableHistogram.Table = pTable;
object dataFrequency;
object dataValues;
pHistogram.GetHistogram(out dataValues, out dataFrequency);
IClassifyGEN pClassify = null;
int numDesiredClasses = classCount;
pClassify = new EqualIntervalClass();
pClassify.Classify(dataValues, dataFrequency, ref numDesiredClasses);
double[] clsbreaks = (double[])pClassify.ClassBreaks;
double dblInterval = clsbreaks[1] - clsbreaks[0];
txtInterval.Text = dblInterval.ToString();
}
private void classify()
{
if (layer2Symbolize == null)
{
return;
}
IFeatureClass featureClass = layer2Symbolize.FeatureClass;
ITable pTable = (ITable)featureClass;
ITableHistogram pTableHistogram = new BasicTableHistogramClass();
IBasicHistogram pHistogram = (IBasicHistogram)pTableHistogram;
pTableHistogram.Field = strRendererField;
if (strNormalizeField.ToLower() != "none")
{
pTableHistogram.NormField = strNormalizeField;
}
pTableHistogram.Table = pTable;
object dataFrequency;
object dataValues;
pHistogram.GetHistogram(out dataValues, out dataFrequency);
//下面是分级方法，用于根据获得的值计算得出符合要求的数据
//根据条件计算出Classes和ClassesCount，numDesiredClasses为预定的分级数目
IClassifyGEN pClassify = new NaturalBreaksClass();
switch (strClassifyMethod)
{
case "等间隔分类":
pClassify = new EqualIntervalClass();
break;
//case "预定义间隔分类":
// pClassify = new DefinedIntervalClass();
// break;
case "分位数分类":
pClassify = new QuantileClass();
break;
case "自然裂点分类":
pClassify = new NaturalBreaksClass();
break;
case "标准差分类":
pClassify = new StandardDeviationClass();
break;
case "几何间隔分类":
pClassify = new GeometricalIntervalClass();
break;
default:
break;
}
int numDesiredClasses = gClassCount;
pClassify.Classify(dataValues, dataFrequency, ref numDesiredClasses);
gClassbreaks = (double[])pClassify.ClassBreaks;
}
private double[] fnClassification(IFeatureLayer pFLayer, decimal NClasses, string strClassifiedField, string ClassifiedMethod)
{
try
{
IFeatureClass pFClass = pFLayer.FeatureClass;
//Create Rendering of Mean Value at Target Layer
int intBreakeCount = Convert.ToInt32(NClasses);
ITable pTable = (ITable)pFClass;
IClassifyGEN pClassifyGEN;
switch (ClassifiedMethod)
{
case "Equal Interval":
pClassifyGEN = new EqualIntervalClass();
break;
case "Geometrical Interval":
pClassifyGEN = new GeometricalInterval();
break;
case "Natural Breaks":
pClassifyGEN = new NaturalBreaksClass();
break;
case "Quantile":
pClassifyGEN = new QuantileClass();
break;
case "StandardDeviation":
pClassifyGEN = new StandardDeviationClass();
break;
default:
pClassifyGEN = new NaturalBreaksClass();
break;
}
//Need to be changed 1/29/15
ITableHistogram pTableHistogram = new BasicTableHistogramClass();
pTableHistogram.Field = strClassifiedField;
pTableHistogram.Table = pTable;
IBasicHistogram pHistogram = (IBasicHistogram)pTableHistogram;
object xVals, frqs;
pHistogram.GetHistogram(out xVals, out frqs);
pClassifyGEN.Classify(xVals, frqs, intBreakeCount);
double[] cb = (double[])pClassifyGEN.ClassBreaks;
return(cb);
}
catch (Exception ex)
{
frmErrorLog pfrmErrorLog = new frmErrorLog(); pfrmErrorLog.ex = ex; pfrmErrorLog.ShowDialog();
return(null);
}
}
private void classify()
{
if (layer2Symbolize == null)
{
return;
}
IFeatureClass featureClass = layer2Symbolize.FeatureClass;
ITable pTable = featureClass as ITable;
ITableHistogram pTableHistogram = new BasicTableHistogramClass();
IBasicHistogram pHistogram = pTableHistogram as IBasicHistogram;
pTableHistogram.Field = strRendererField;
if (strNormalizeField.ToLower() != "none")
{
pTableHistogram.NormField = strNormalizeField;
}
pTableHistogram.Table = pTable;
object dataFrequency;
object dataValues;
pHistogram.GetHistogram(out dataValues, out dataFrequency);
IClassifyGEN pClassify = new NaturalBreaksClass();
switch (strClassifyMethod)
{
case "Equal Interval":
pClassify = new EqualIntervalClass();
break;
case "Quantile":
pClassify = new QuantileClass();
break;
case "Natural Breaks":
pClassify = new NaturalBreaksClass();
break;
case "Geometrical Interval":
pClassify = new GeometricalIntervalClass();
break;
default:
break;
}
int numDesiredClass = gClassCount;
pClassify.Classify(dataValues, dataFrequency, ref numDesiredClass);
gClassbreaks = (double[])pClassify.ClassBreaks;
}
private IClassBreaksRenderer CreateClassBreaksRenderer(IFeatureClass featureClass, string breakMethod)
{
ITable pTable = (ITable)featureClass;
//从pTable的strRendererField字段中得到信息给datavalues和datafrequency两个数组
ITableHistogram pTableHistogram = new BasicTableHistogramClass();
IBasicHistogram pHistogram = (IBasicHistogram)pTableHistogram;
pTableHistogram.Field = strRendererField;
if (strNormalizeField.ToLower() != "none")
{
pTableHistogram.NormField = strNormalizeField;
}
pTableHistogram.Table = pTable;
object dataFrequency;
object dataValues;
pHistogram.GetHistogram(out dataValues, out dataFrequency);
//下面是分级方法，用于根据获得的值计算得出符合要求的数据
//根据条件计算出Classes和ClassesCount，numDesiredClasses为预定的分级数目
IClassifyGEN pClassify = null;
int numDesiredClasses = classCount;
switch (breakMethod)
{
case "等间隔":
pClassify = new EqualIntervalClass();
break;
case "已定义的间隔":
pClassify = new DefinedIntervalClass();
IIntervalRange2 intervalRange = pClassify as IIntervalRange2;
intervalRange.IntervalRange = dblDefinedInterval;
break;
case "分位数":
pClassify = new QuantileClass();
break;
case "自然裂点":
pClassify = new NaturalBreaksClass();
break;
case "标准差":
pClassify = new StandardDeviationClass();
IStatisticsResults pStatRes = pHistogram as IStatisticsResults;
IDeviationInterval pStdDev = pClassify as IDeviationInterval;
pStdDev.Mean = pStatRes.Mean;
pStdDev.StandardDev = pStatRes.StandardDeviation;
pStdDev.DeviationInterval = dblStdDevInterval;
break;
default:
break;
}
if (pClassify == null)
{
return(null);
}
pClassify.Classify(dataValues, dataFrequency, ref numDesiredClasses);
//返回一个数组
double[] classBreaks = (double[])pClassify.ClassBreaks;
int ClassesCount = classBreaks.GetUpperBound(0);
nudClassCount.Value = ClassesCount;
IClassBreaksRenderer pClassBreaksRenderer = new ClassBreaksRendererClass();
pClassBreaksRenderer.Field = strRendererField;
if (strNormalizeField.ToLower() != "none")
{
pClassBreaksRenderer.NormField = strNormalizeField;
}
//设置着色对象的分级数目
pClassBreaksRenderer.BreakCount = ClassesCount;
pClassBreaksRenderer.SortClassesAscending = true;
if (colorRamp == null)
{
MessageBox.Show("请先选择色带！！", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(null);
}
//通过色带设置各级分类符号的颜色
colorRamp.Size = ClassesCount;
bool createRamp;
colorRamp.CreateRamp(out createRamp);
IEnumColors enumColors = colorRamp.Colors;
enumColors.Reset();
IColor pColor = null;
ISymbol symbol = null;
if (gloabalSymbol == null)
{
MessageBox.Show("请选择符号...", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(null);
}
//需要注意的是分级着色对象中的symbol和break的下标都是从0开始
for (int i = 0; i < ClassesCount; i++)
{
pColor = enumColors.Next();
switch (featureClass.ShapeType)
{
case esriGeometryType.esriGeometryPoint:
IMarkerSymbol markerSymbol = gloabalSymbol as IMarkerSymbol;
markerSymbol.Color = pColor;
symbol = markerSymbol as ISymbol;
break;
case esriGeometryType.esriGeometryPolyline:
ILineSymbol lineSymbol = gloabalSymbol as ILineSymbol;
lineSymbol.Color = pColor;
symbol = lineSymbol as ISymbol;
break;
case esriGeometryType.esriGeometryPolygon:
IFillSymbol fillSymbol = gloabalSymbol as IFillSymbol;
fillSymbol.Color = pColor;
symbol = fillSymbol as ISymbol;
break;
default:
break;
}
pClassBreaksRenderer.set_Symbol(i, symbol);
pClassBreaksRenderer.set_Break(i, classBreaks[i + 1]);
}
return(pClassBreaksRenderer);
}
/// <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 btnApply_Click(object sender, EventArgs e)
{
try
{
string strLayerName = cboSourceLayer.Text;
if (cboSourceLayer.Text == "" || cboValueField.Text == "" || cboUField.Text == "")
{
MessageBox.Show("Assign proper layer and field");
return;
}
int intLIndex = pSnippet.GetIndexNumberFromLayerName(pActiveView, strLayerName);
ILayer pLayer = mForm.axMapControl1.get_Layer(intLIndex);
IFeatureLayer pFLayer = pLayer as IFeatureLayer;
IFeatureClass pFClass = pFLayer.FeatureClass;
//Create Rendering of Mean Value at Target Layer
int intGCBreakeCount = Convert.ToInt32(nudGCNClasses.Value);
string strGCRenderField = cboValueField.Text;
IGeoFeatureLayer pGeofeatureLayer;
if (chkNewLayer.Checked == true)
{
IFeatureLayer pflOutput = new FeatureLayerClass();
pflOutput.FeatureClass = pFClass;
pflOutput.Name = txtNewLayer.Text;
pflOutput.Visible = true;
pGeofeatureLayer = (IGeoFeatureLayer)pflOutput;
}
else
{
pGeofeatureLayer = (IGeoFeatureLayer)pFLayer;
}
ITable pTable = (ITable)pFClass;
IClassifyGEN pClassifyGEN;
switch (cboGCClassify.Text)
{
case "Equal Interval":
pClassifyGEN = new EqualIntervalClass();
break;
case "Geometrical Interval":
pClassifyGEN = new GeometricalInterval();
break;
case "Natural Breaks":
pClassifyGEN = new NaturalBreaksClass();
break;
case "Quantile":
pClassifyGEN = new QuantileClass();
break;
case "StandardDeviation":
pClassifyGEN = new StandardDeviationClass();
break;
default:
pClassifyGEN = new NaturalBreaksClass();
break;
}
//Need to be changed 1/29/15
ITableHistogram pTableHistogram = new BasicTableHistogramClass();
pTableHistogram.Field = strGCRenderField;
pTableHistogram.Table = pTable;
IBasicHistogram pHistogram = (IBasicHistogram)pTableHistogram;
object xVals, frqs;
pHistogram.GetHistogram(out xVals, out frqs);
pClassifyGEN.Classify(xVals, frqs, intGCBreakeCount);
ClassBreaksRenderer pRender = new ClassBreaksRenderer();
double[] cb = (double[])pClassifyGEN.ClassBreaks;
pRender.Field = strGCRenderField;
pRender.BreakCount = intGCBreakeCount;
pRender.MinimumBreak = cb[0];
//' create our color ramp
IAlgorithmicColorRamp pColorRamp = new AlgorithmicColorRampClass();
pColorRamp.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
IRgbColor pColor1 = new RgbColor();
IRgbColor pColor2 = new RgbColor();
//Can Change the color in here!
pColor1.Red = picSymolfrom.BackColor.R;
pColor1.Green = picSymolfrom.BackColor.G;
pColor1.Blue = picSymolfrom.BackColor.B;
Boolean blnOK = true;
pColor2.Red = picSymbolTo.BackColor.R;
pColor2.Green = picSymbolTo.BackColor.G;
pColor2.Blue = picSymbolTo.BackColor.B;
pColorRamp.FromColor = pColor1;
pColorRamp.ToColor = pColor2;
pColorRamp.Size = intGCBreakeCount;
pColorRamp.CreateRamp(out blnOK);
IEnumColors pEnumColors = pColorRamp.Colors;
pEnumColors.Reset();
IRgbColor pColorOutline = new RgbColor();
//Can Change the color in here!
pColorOutline.Red = picGCLineColor.BackColor.R;
pColorOutline.Green = picGCLineColor.BackColor.G;
pColorOutline.Blue = picGCLineColor.BackColor.B;
double dblGCOutlineSize = Convert.ToDouble(nudGCLinewidth.Value);
ICartographicLineSymbol pOutLines = new CartographicLineSymbol();
pOutLines.Width = dblGCOutlineSize;
pOutLines.Color = (IColor)pColorOutline;
//' use this interface to set dialog properties
IClassBreaksUIProperties pUIProperties = (IClassBreaksUIProperties)pRender;
pUIProperties.ColorRamp = "Custom";
ISimpleFillSymbol pSimpleFillSym;
//' be careful, indices are different for the diff lists
for (int j = 0; j < intGCBreakeCount; j++)
{
pRender.Break[j] = cb[j + 1];
pRender.Label[j] = Math.Round(cb[j], 2).ToString() + " - " + Math.Round(cb[j + 1], 2).ToString();
pUIProperties.LowBreak[j] = cb[j];
pSimpleFillSym = new SimpleFillSymbolClass();
pSimpleFillSym.Color = pEnumColors.Next();
pSimpleFillSym.Outline = pOutLines;
pRender.Symbol[j] = (ISymbol)pSimpleFillSym;
}
pGeofeatureLayer.Renderer = (IFeatureRenderer)pRender;
if (chkNewLayer.Checked == true)
{
mForm.axMapControl1.ActiveView.FocusMap.AddLayer(pGeofeatureLayer);
}
////* Uncertainty Part *////
//Declare variables in if parts
if (tcUncern.SelectedIndex == 0) //Graduated Color
{
int intUncernBreakCount = Convert.ToInt32(nudCoNClasses.Value);
string strUncerFieldName = cboUField.Text;
IFeatureLayer pflUncern = new FeatureLayerClass();
pflUncern.FeatureClass = pFClass;
pflUncern.Name = cboSourceLayer.Text + " Uncertainty";
pflUncern.Visible = true;
IGeoFeatureLayer pGFLUncern = (IGeoFeatureLayer)pflUncern;
switch (cboTeClassify.Text)
{
case "Equal Interval":
pClassifyGEN = new EqualIntervalClass();
break;
case "Geometrical Interval":
pClassifyGEN = new GeometricalInterval();
break;
case "Natural Breaks":
pClassifyGEN = new NaturalBreaksClass();
break;
case "Quantile":
pClassifyGEN = new QuantileClass();
break;
case "StandardDeviation":
pClassifyGEN = new StandardDeviationClass();
break;
default:
pClassifyGEN = new NaturalBreaksClass();
break;
}
//Need to be changed 1/29/15
pTableHistogram = new BasicTableHistogramClass();
pTableHistogram.Field = strUncerFieldName;
pTableHistogram.Table = pTable;
pHistogram = (IBasicHistogram)pTableHistogram;
pHistogram.GetHistogram(out xVals, out frqs);
pClassifyGEN.Classify(xVals, frqs, intUncernBreakCount);
pRender = new ClassBreaksRenderer();
cb = (double[])pClassifyGEN.ClassBreaks;
pRender.Field = strUncerFieldName;
pRender.BreakCount = intUncernBreakCount;
pRender.MinimumBreak = cb[0];
IClassBreaksUIProperties pUIColProperties = (IClassBreaksUIProperties)pRender;
pUIColProperties.ColorRamp = "Custom";
pColorRamp = new AlgorithmicColorRampClass();
pColorRamp.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
pColor1 = new RgbColor();
pColor2 = new RgbColor();
//Can Change the color in here!
pColor1 = pSnippet.getRGB(picCoColorFrom.BackColor.R, picCoColorFrom.BackColor.G, picCoColorFrom.BackColor.B);
pColor2 = pSnippet.getRGB(picCoColorTo.BackColor.R, picCoColorTo.BackColor.G, picCoColorTo.BackColor.B);
if (pColor1 == null || pColor2 == null)
{
return;
}
blnOK = true;
pColorRamp.FromColor = pColor1;
pColorRamp.ToColor = pColor2;
pColorRamp.Size = intUncernBreakCount;
pColorRamp.CreateRamp(out blnOK);
pEnumColors = pColorRamp.Colors;
pEnumColors.Reset();
pColorOutline = pSnippet.getRGB(picCoLineColor.BackColor.R, picCoLineColor.BackColor.G, picCoLineColor.BackColor.B);
if (pColorOutline == null)
{
return;
}
double dblCoOutlineSize = Convert.ToDouble(nudCoLinewidth.Value);
pOutLines = new CartographicLineSymbol();
pOutLines.Width = dblCoOutlineSize;
pOutLines.Color = (IColor)pColorOutline;
//' use this interface to set dialog properties
pUIColProperties = (IClassBreaksUIProperties)pRender;
pUIColProperties.ColorRamp = "Custom";
ISimpleMarkerSymbol pSimpleMarkerSym;
double dblCoSymSize = Convert.ToDouble(nudCoSymbolSize.Value);
//' be careful, indices are different for the diff lists
for (int j = 0; j < intUncernBreakCount; j++)
{
pRender.Break[j] = cb[j + 1];
pRender.Label[j] = Math.Round(cb[j], 2).ToString() + " - " + Math.Round(cb[j + 1], 2).ToString();
pUIColProperties.LowBreak[j] = cb[j];
pSimpleMarkerSym = new SimpleMarkerSymbolClass();
pSimpleMarkerSym.Size = dblCoSymSize;
pSimpleMarkerSym.Color = pEnumColors.Next();
pSimpleMarkerSym.Outline = true;
pSimpleMarkerSym.OutlineColor = pColorOutline;
pSimpleMarkerSym.OutlineSize = dblCoOutlineSize;
pRender.Symbol[j] = (ISymbol)pSimpleMarkerSym;
}
pGFLUncern.Renderer = (IFeatureRenderer)pRender;
mForm.axMapControl1.ActiveView.FocusMap.AddLayer(pGFLUncern);
}
else if (tcUncern.SelectedIndex == 1) //Texture
{
//Create Rendering of Uncertainty at Target Layer
int intUncernBreakCount = Convert.ToInt32(nudTeNClasses.Value);
string strUncerFieldName = cboUField.Text;
IFeatureLayer pflUncern = new FeatureLayerClass();
pflUncern.FeatureClass = pFClass;
pflUncern.Name = cboSourceLayer.Text + " Uncertainty";
pflUncern.Visible = true;
IGeoFeatureLayer pGFLUncern = (IGeoFeatureLayer)pflUncern;
switch (cboTeClassify.Text)
{
case "Equal Interval":
pClassifyGEN = new EqualIntervalClass();
break;
case "Geometrical Interval":
pClassifyGEN = new GeometricalInterval();
break;
case "Natural Breaks":
pClassifyGEN = new NaturalBreaksClass();
break;
case "Quantile":
pClassifyGEN = new QuantileClass();
break;
case "StandardDeviation":
pClassifyGEN = new StandardDeviationClass();
break;
default:
pClassifyGEN = new NaturalBreaksClass();
break;
}
//Need to be changed 1/29/15
pTableHistogram = new BasicTableHistogramClass();
pTableHistogram.Field = strUncerFieldName;
pTableHistogram.Table = pTable;
pHistogram = (IBasicHistogram)pTableHistogram;
pHistogram.GetHistogram(out xVals, out frqs);
pClassifyGEN.Classify(xVals, frqs, intUncernBreakCount);
pRender = new ClassBreaksRenderer();
cb = (double[])pClassifyGEN.ClassBreaks;
pRender.Field = strUncerFieldName;
pRender.BreakCount = intUncernBreakCount;
pRender.MinimumBreak = cb[0];
IClassBreaksUIProperties pUITexProperties = (IClassBreaksUIProperties)pRender;
pUITexProperties.ColorRamp = "Custom";
ILineFillSymbol pLineFillSym = new LineFillSymbolClass();
double dblFromSep = Convert.ToDouble(nudSeperationFrom.Value);
double dblToSep = Convert.ToDouble(nudSeperationTo.Value);
double dblInstantSep = (dblFromSep - dblToSep) / Convert.ToDouble(intUncernBreakCount - 1);
double dblFromAngle = Convert.ToDouble(nudAngleFrom.Value);
double dblToAngle = Convert.ToDouble(nudAngleFrom.Value); // Remove the angle part (04/16)
double dblInstantAngle = (dblToAngle - dblFromAngle) / Convert.ToDouble(intUncernBreakCount - 1);
double dblLinewidth = Convert.ToDouble(nudTeLinewidth.Value);
IRgbColor pLineColor = new RgbColor();
pLineColor.Red = picTeLineColor.BackColor.R;
pLineColor.Green = picTeLineColor.BackColor.G;
pLineColor.Blue = picTeLineColor.BackColor.B;
//' be careful, indices are different for the diff lists
for (int j = 0; j < intUncernBreakCount; j++)
{
pRender.Break[j] = cb[j + 1];
pRender.Label[j] = Math.Round(cb[j], 5).ToString() + " - " + Math.Round(cb[j + 1], 5).ToString();
pUITexProperties.LowBreak[j] = cb[j];
pLineFillSym = new LineFillSymbolClass();
pLineFillSym.Angle = dblFromAngle + (dblInstantAngle * Convert.ToDouble(j));
pLineFillSym.Color = pLineColor;
pLineFillSym.Separation = dblFromSep - (dblInstantSep * Convert.ToDouble(j));
pLineFillSym.LineSymbol.Width = dblLinewidth;
pRender.Symbol[j] = (ISymbol)pLineFillSym;
}
pGFLUncern.Renderer = (IFeatureRenderer)pRender;
mForm.axMapControl1.ActiveView.FocusMap.AddLayer(pGFLUncern);
}
else if (tcUncern.SelectedIndex == 2) //For Proportional Symbols
{
string strUncerFieldName = cboUField.Text;
double dblMinPtSize = Convert.ToDouble(nudProSymbolSize.Value);
double dblLineWidth = Convert.ToDouble(nudProLinewidth.Value);
IFeatureLayer pflUncern = new FeatureLayerClass();
pflUncern.FeatureClass = pFClass;
pflUncern.Name = cboSourceLayer.Text + " Uncertainty";
pflUncern.Visible = true;
//Find Fields
int intUncernIdx = pTable.FindField(strUncerFieldName);
//Find Min value
//Set to initial value for min
IField pUncernField = pTable.Fields.get_Field(intUncernIdx);
ICursor pCursor = pTable.Search(null, false);
IDataStatistics pDataStat = new DataStatisticsClass();
pDataStat.Field = pUncernField.Name;
pDataStat.Cursor = pCursor;
IStatisticsResults pStatResults = pDataStat.Statistics;
double dblMinValue = pStatResults.Minimum;
double dblMaxValue = pStatResults.Maximum;
pCursor.Flush();
IRgbColor pSymbolRgb = pSnippet.getRGB(picProSymbolColor.BackColor.R, picProSymbolColor.BackColor.G, picProSymbolColor.BackColor.B);
if (pSymbolRgb == null)
{
return;
}
IRgbColor pLineRgb = pSnippet.getRGB(picProiLineColor.BackColor.R, picProiLineColor.BackColor.G, picProiLineColor.BackColor.B);
if (pLineRgb == null)
{
return;
}
ISimpleMarkerSymbol pSMarkerSym = new SimpleMarkerSymbolClass();
pSMarkerSym.Style = esriSimpleMarkerStyle.esriSMSCircle;
pSMarkerSym.Size = dblMinPtSize;
pSMarkerSym.OutlineSize = dblLineWidth;
pSMarkerSym.Outline = true;
pSMarkerSym.OutlineColor = (IColor)pLineRgb;
pSMarkerSym.Color = (IColor)pSymbolRgb;
IGeoFeatureLayer pGFLUncern = (IGeoFeatureLayer)pflUncern;
IProportionalSymbolRenderer pUncernRender = new ProportionalSymbolRendererClass();
pUncernRender.LegendSymbolCount = 2; //Need to be changed 0219
pUncernRender.Field = strUncerFieldName;
pUncernRender.MaxDataValue = dblMaxValue;
pUncernRender.MinDataValue = dblMinValue;
pUncernRender.MinSymbol = (ISymbol)pSMarkerSym;
pUncernRender.ValueUnit = esriUnits.esriUnknownUnits;
pUncernRender.BackgroundSymbol = null;
pUncernRender.CreateLegendSymbols();
pGFLUncern.Renderer = (IFeatureRenderer)pUncernRender;
mForm.axMapControl1.ActiveView.FocusMap.AddLayer(pGFLUncern);
}
else if (tcUncern.SelectedIndex == 3) // Bar
{
string strUncerFieldName = cboUField.Text;
double dblMaxLength = Convert.ToDouble(nudMaxBarHeight.Value);
double dblBarWidth = Convert.ToDouble(nudBarWidth.Value);
IFeatureLayer pflUncern = new FeatureLayerClass();
pflUncern.FeatureClass = pFClass;
pflUncern.Name = cboSourceLayer.Text + " Uncertainty";
pflUncern.Visible = true;
int intUncernIdx = pTable.FindField(strUncerFieldName);
IField pUncernField = pTable.Fields.get_Field(intUncernIdx);
ICursor pCursor = pTable.Search(null, false);
IDataStatistics pDataStat = new DataStatisticsClass();
pDataStat.Field = pUncernField.Name;
pDataStat.Cursor = pCursor;
IStatisticsResults pStatResults = pDataStat.Statistics;
double dblMaxValue = pStatResults.Maximum;
pCursor.Flush();
IChartRenderer chartRenderer = new ChartRendererClass();
IRendererFields rendererFields = chartRenderer as IRendererFields;
rendererFields.AddField(strUncerFieldName);
IBarChartSymbol barChartSymbol = new BarChartSymbolClass();
barChartSymbol.Width = dblBarWidth;
IMarkerSymbol markerSymbol = barChartSymbol as IMarkerSymbol;
markerSymbol.Size = dblMaxLength;
IChartSymbol chartSymbol = barChartSymbol as IChartSymbol;
chartSymbol.MaxValue = dblMaxValue;
ISymbolArray symbolArray = barChartSymbol as ISymbolArray;
IFillSymbol fillSymbol = new SimpleFillSymbolClass();
fillSymbol.Color = pSnippet.getRGB(picBarSymCol.BackColor.R, picBarSymCol.BackColor.G, picBarSymCol.BackColor.B);
if (fillSymbol.Color == null)
{
return;
}
symbolArray.AddSymbol(fillSymbol as ISymbol);
if (chk3D.Checked)
{
I3DChartSymbol p3DChartSymbol = barChartSymbol as I3DChartSymbol;
p3DChartSymbol.Display3D = true;
p3DChartSymbol.Thickness = 3;
}
chartRenderer.ChartSymbol = barChartSymbol as IChartSymbol;
SimpleFillSymbol pBaseFillSym = new SimpleFillSymbolClass();
//pBaseFillSym.Color = pSnippet.getRGB(picBarSymCol.BackColor.R, picBarSymCol.BackColor.G, picBarSymCol.BackColor.B);
//chartRenderer.BaseSymbol = pBaseFillSym as ISymbol;
chartRenderer.UseOverposter = false;
chartRenderer.CreateLegend();
IGeoFeatureLayer pGFLUncern = (IGeoFeatureLayer)pflUncern;
pGFLUncern.Renderer = (IFeatureRenderer)chartRenderer;
mForm.axMapControl1.ActiveView.FocusMap.AddLayer(pGFLUncern);
}
#region illumination
//This function is not applied in this version. 032317 HK
//}
// else if (tcUncern.SelectedIndex == 4) //illumination
// {
// frmProgress pfrmProgress = new frmProgress();
// pfrmProgress.lblStatus.Text = "Processing:";
// pfrmProgress.pgbProgress.Style = ProgressBarStyle.Marquee;
// pfrmProgress.Show();
// string strUncerFieldName = cboUField.Text;
// IGeoDataset geoDataset_output = createRasterfromPolygon(pFClass, strUncerFieldName, pFLayer, 100);
// double altitude = Convert.ToDouble(nudAltitude.Value);
// double azimuth = Convert.ToDouble(nudAzimuth.Value);
// object zFactor = Convert.ToDouble(nudZFactor.Value);
// ISurfaceOp2 pSurfOP = new RasterSurfaceOpClass();
// IRaster pOutputDS = (IRaster)pSurfOP.HillShade(geoDataset_output, azimuth, altitude, true, ref zFactor);
// ((IDataset)geoDataset_output).Delete();
// // Create a raster for viewing
// ESRI.ArcGIS.Carto.IRasterLayer rasterLayer = new ESRI.ArcGIS.Carto.RasterLayerClass();
// rasterLayer.CreateFromRaster(pOutputDS);
// //Calculate hillshade value at slope 0 to set as background value
// double dblRadian = (Math.PI / 180) * (90 - altitude);
// double dblBackValue = Math.Truncate(255 * Math.Cos(dblRadian));
// IRasterStretch pRasterStretch = new RasterStretchColorRampRendererClass();
// IColor pColor = new RgbColorClass();
// pColor.NullColor = true;
// pColor.Transparency = 0;
// pRasterStretch.Background = true;
// pRasterStretch.BackgroundColor = pColor;
// pRasterStretch.set_BackgroundValues(ref dblBackValue);
// rasterLayer.Name = "Uncertainty of " + strGCRenderField;
// rasterLayer.Renderer = pRasterStretch as IRasterRenderer;
// rasterLayer.Renderer.Update();
// //Apply Transparency
// ILayerEffects pLayerEffect = (ILayerEffects)rasterLayer;
// pLayerEffect.Transparency = Convert.ToInt16(nudTransparent.Value);
// pfrmProgress.Close();
// // Add the raster to the map
// pActiveView.FocusMap.AddLayer(rasterLayer);
// }
// mForm.axMapControl1.ActiveView.Refresh();
// mForm.axTOCControl1.Update();
#endregion
}
catch (Exception ex)
{
frmErrorLog pfrmErrorLog = new frmErrorLog(); pfrmErrorLog.ex = ex; pfrmErrorLog.ShowDialog();
return;
}
}
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 void EvalRobustness(double[] cb)
{
int intLIndex = m_pSnippet.GetIndexNumberFromLayerName(m_pActiveView, cboSourceLayer.Text);
ILayer pLayer = mForm.axMapControl1.get_Layer(intLIndex);
m_pFLayer = pLayer as IFeatureLayer;
IFeatureClass pFClass = m_pFLayer.FeatureClass;
string strValueFld = m_pRenderedLayer.strValueFldName;
string strUncernfld = string.Empty;
if (m_pRenderedLayer.strUncernFldName == string.Empty)
{
strUncernfld = cboUncernFld.Text;
}
else
{
strUncernfld = m_pRenderedLayer.strUncernFldName;
}
if (strUncernfld == string.Empty)
{
return;
}
int intValueIdx = pFClass.FindField(strValueFld);
int intUncernIdx = pFClass.FindField(strUncernfld);
int intClassCount = cb.Length - 1;
string strSavefldnm = txtFldName.Text;
//strTempfldName = "MinSepfave";
if (pFClass.FindField(strSavefldnm) == -1)
{
m_pSnippet.AddField(pFClass, strSavefldnm, esriFieldType.esriFieldTypeDouble);
}
int intSavefldIdx = pFClass.FindField(strSavefldnm);
int intFCounts = pFClass.FeatureCount(null);
Chart pChart = new Chart();
IFeature pFeat = null;
IFeatureCursor pFCursor = null;
pFCursor = pFClass.Update(null, false);
pFeat = pFCursor.NextFeature();
Robustness[] pRobustness = new Robustness[intFCounts];
double[] arrValue = new double[intFCounts];
int i = 0;
while (pFeat != null)
{
pRobustness[i] = new Robustness();
pRobustness[i].Robustnesses = new double[intClassCount];
double dblValue = Convert.ToDouble(pFeat.get_Value(intValueIdx));
double dblStd = Convert.ToDouble(pFeat.get_Value(intUncernIdx));
double dblEntropy = 0;
for (int j = 0; j < intClassCount; j++)
{
double dblUpperZvalue = (cb[j + 1] - dblValue) / dblStd;
double dblUpperConfLev = pChart.DataManipulator.Statistics.NormalDistribution(dblUpperZvalue);
double dblLowerZvalue = (cb[j] - dblValue) / dblStd;
double dblLowerConfLev = pChart.DataManipulator.Statistics.NormalDistribution(dblLowerZvalue);
double dblProb = dblUpperConfLev - dblLowerConfLev;
pRobustness[i].Robustnesses[j] = dblProb; //Probability of an observation to each class
if (dblProb != 0)
{
dblEntropy += dblProb * Math.Log(dblProb, 2);
}
if (j == 0)
{
if (dblValue >= cb[j] && dblValue <= cb[j + 1])
{
pRobustness[i].TargetClass = j;
}
}
else
{
if (dblValue > cb[j] && dblValue <= cb[j + 1])
{
pRobustness[i].TargetClass = j;
}
}
}
pRobustness[i].Entropy = ((double)(-1) * dblEntropy) / (Math.Log(intClassCount, 2));
if (cboMeasure.Text == "Entropy")
{
arrValue[i] = pRobustness[i].Entropy;
pFeat.set_Value(intSavefldIdx, pRobustness[i].Entropy);
}
else
{
pFeat.set_Value(intSavefldIdx, pRobustness[i].Robustnesses[pRobustness[i].TargetClass]);
arrValue[i] = pRobustness[i].Robustnesses[pRobustness[i].TargetClass];
}
pFCursor.UpdateFeature(pFeat);
pFeat = pFCursor.NextFeature();
i++;
}
//Visualization
//dblClsMean = new double[intClassCount, 3];
//double dblSumRobustness = 0;
//for (int j = 0; j < intFCounts; j++)
//{
// dblSumRobustness = dblSumRobustness + arrRobustness[j, 0];
// for (int k = 0; k < intClassCount; k++)
// {
// if (arrRobustness[j, 1] == k)
// {
// dblClsMean[k, 0] = arrRobustness[j, 0] + dblClsMean[k, 0];
// dblClsMean[k, 1] = dblClsMean[k, 1] + 1;
// }
// }
//}
//for (int k = 0; k < intClassCount; k++)
//{
// dblClsMean[k, 2] = dblClsMean[k, 0] / dblClsMean[k, 1];
//}
//dblMeanRobustness = dblSumRobustness / intFCounts;
//switch (cboGCClassify.Text)
//{
// case "Equal Interval":
// pClassifyGEN = new EqualIntervalClass();
// break;
// case "Geometrical Interval":
// pClassifyGEN = new GeometricalInterval();
// break;
// case "Natural Breaks":
// pClassifyGEN = new NaturalBreaksClass();
// break;
// case "Quantile":
// pClassifyGEN = new QuantileClass();
// break;
// case "StandardDeviation":
// pClassifyGEN = new StandardDeviationClass();
// break;
// default:
// pClassifyGEN = new NaturalBreaksClass();
// break;
//}
if (chkAddMap.Checked)
{
IClassifyGEN pClassifyGEN = new NaturalBreaksClass();
IFeatureLayer pflUncern = new FeatureLayerClass();
pflUncern.FeatureClass = pFClass;
pflUncern.Name = cboSourceLayer.Text + " " + cboMeasure.Text;
pflUncern.Visible = true;
IGeoFeatureLayer pGeofeatureLayer = (IGeoFeatureLayer)pflUncern;
ITableHistogram pTableHistogram2 = new BasicTableHistogramClass();
ITable pTable = (ITable)pFClass;
pTableHistogram2.Field = strSavefldnm;
pTableHistogram2.Table = pTable;
//IHistogram pHistogram = (IHistogram)pTableHistogram2;
IBasicHistogram pHistogram = (IBasicHistogram)pTableHistogram2;
object xVals, frqs;
pHistogram.GetHistogram(out xVals, out frqs);
pClassifyGEN.Classify(xVals, frqs, 4); //Fixed Class count
double[] cb_uncern = (double[])pClassifyGEN.ClassBreaks;
if (cboMeasure.Text == "Entropy")
{
cb_uncern[1] = 0.4; cb_uncern[2] = 0.6; cb_uncern[3] = 0.75;
}
else
{
cb_uncern[1] = 0.4; cb_uncern[2] = 0.6; cb_uncern[3] = 0.75;
}
ISpacingBreaksRenderer pSpacingBrksRenderers = new SpacingBreaksRendererClass();
pSpacingBrksRenderers.arrClassBrks = cb_uncern;
pSpacingBrksRenderers.arrValue = arrValue;
if (cboMeasure.Text == "Entropy")
{
pSpacingBrksRenderers.dblFromSep = Convert.ToDouble(1);
pSpacingBrksRenderers.dblToSep = Convert.ToDouble(20);
}
else
{
pSpacingBrksRenderers.dblFromSep = Convert.ToDouble(20);
pSpacingBrksRenderers.dblToSep = Convert.ToDouble(1);
}
pSpacingBrksRenderers.dblLineAngle = Convert.ToDouble(45);
pSpacingBrksRenderers.dblLineWidth = Convert.ToDouble(0.1);
pSpacingBrksRenderers.m_pLineRgb = m_pSnippet.getRGB(0, 0, 0);
if (pSpacingBrksRenderers.m_pLineRgb == null)
{
return;
}
pSpacingBrksRenderers.strHeading = cboMeasure.Text;
pSpacingBrksRenderers.intRoundingDigits = 2;
pSpacingBrksRenderers.CreateLegend();
pGeofeatureLayer.Renderer = (IFeatureRenderer)pSpacingBrksRenderers;
m_pActiveView.FocusMap.AddLayer(pGeofeatureLayer);
m_pActiveView.Refresh();
mForm.axTOCControl1.Update();
}
}
private void lblClassificationMethod_Click(object sender, EventArgs e)
{
if (layer2Symbolize == null)
{
return;
}
IFeatureClass featureClass = layer2Symbolize.FeatureClass;
ITable pTable = (ITable)featureClass;
ITableHistogram pTableHistogram2 = new BasicTableHistogramClass();
IBasicHistogram pHistogram2 = (IBasicHistogram)pTableHistogram2;
pTableHistogram2.Field = strRendererField;
if (strNormalizeField.ToLower() != "none")
{
pTableHistogram2.NormField = strNormalizeField;
}
pTableHistogram2.Table = pTable;
object dataFrequency;
object dataValues;
pHistogram2.GetHistogram(out dataValues, out dataFrequency);
//下面是分级方法，用于根据获得的值计算得出符合要求的数据
//根据条件计算出Classes和ClassesCount，numDesiredClasses为预定的分级数目
IClassifyGEN pClassify = null;
pClassify = new NaturalBreaksClass();
int numDesiredClasses = gClassCount;
pClassify.Classify(dataValues, dataFrequency, ref numDesiredClasses);
UID pUid;
pUid = new UIDClass();
pUid = pClassify.ClassID;
IClassificationDialog pClassDialog;
pClassDialog = new ClassificationDialogClass();
pClassDialog.Classification = pUid;
pClassDialog.SetHistogramData(pHistogram2 as IHistogram);
pClassDialog.ClassBreaks = pClassify.ClassBreaks;
bool ok = pClassDialog.DoModal(0);
if (ok == false)
{
return;
}
pUid = pClassDialog.Classification;
gClassbreaks = (double[])pClassDialog.ClassBreaks;
switch (pUid.Value.ToString())
{
case "{62144BE1-E05E-11D1-AAAE-00C04FA334B3}":
lblClassificationMethod.Text = "等间隔";
break;
case "{62144BE8-E05E-11D1-AAAE-00C04FA334B3}":
lblClassificationMethod.Text = "已定义的间隔";
break;
case "{62144BE9-E05E-11D1-AAAE-00C04FA334B3}":
lblClassificationMethod.Text = "分位数";
break;
case "{62144BEA-E05E-11D1-AAAE-00C04FA334B3}":
lblClassificationMethod.Text = "自然裂点";
break;
case "{DC6D8015-49C2-11D2-AAFF-00C04FA334B3}":
lblClassificationMethod.Text = "标准差";
break;
default:
break;
}
}
private void button5_Click(object sender, EventArgs e)
{
//先用TableHistogram统计，然后用某种实现IClassifyGEN的类来分类（classify），然后用ClassBreaksRenderer设置每个级别的渲染方式
//SetBreak()的参数是该分类的下标，该分类的值上限
ITable table = m_pTarFeatureLayer as ITable;
ITableHistogram tableHistogram = new BasicTableHistogramClass();
IBasicHistogram basicHistogram = tableHistogram as IBasicHistogram;
int curFieldIndex = m_pTarFeatureLayer.FeatureClass.Fields.FindField(comboBox1.SelectedItem.ToString());
IField curField = m_pTarFeatureLayer.FeatureClass.Fields.get_Field(curFieldIndex);
tableHistogram.Table = table;
tableHistogram.Field = curField.Name;
basicHistogram.GetHistogram(out object v, out object f);
IClassifyGEN clyGen = new EqualIntervalClass();
clyGen.Classify(v, f, trackBar2.Value);
double[] classes = clyGen.ClassBreaks as double[];
int classCount = classes.GetUpperBound(0);
IClassBreaksRenderer cbr = new ClassBreaksRendererClass
{
Field = curField.Name,
BreakCount = classCount
};
IAlgorithmicColorRamp acr = new AlgorithmicColorRampClass
{
FromColor = m_pFillColor,
ToColor = m_pOutlineColor,
Size = classCount
};
acr.CreateRamp(out _);
IEnumColors enumC = acr.Colors;
IColor curColor = enumC.Next();
for (int i = 0; i < classCount; i++)
{
switch (m_pTarFeatureLayer.FeatureClass.ShapeType)
{
case esriGeometryType.esriGeometryPolygon:
{
ISimpleFillSymbol sfs = new SimpleFillSymbolClass
{
Color = curColor
};
cbr.set_Symbol(i, sfs as ISymbol);
cbr.set_Break(i, classes[i + 1]);
break;
}
case esriGeometryType.esriGeometryPolyline:
{
ISimpleLineSymbol sls = new SimpleLineSymbolClass();
sls.Color = curColor;
sls.Style = esriSimpleLineStyle.esriSLSSolid;
cbr.set_Symbol(i, sls as ISymbol);
cbr.set_Break(i, classes[i + 1]);
break;
}
}
curColor = enumC.Next();
}
m_pTarGeoFeatureLayer.Renderer = cbr as IFeatureRenderer;
frmMainOper(OperationType.RefreshMapCtrl);
frmMainOper(OperationType.UpdateTOCCtrl);
}
private void DrawCCMaps()
{
m_intClassNumber = Convert.ToInt32(nudGCNClasses.Value);
IFeatureClass pFClass = pFLayer.FeatureClass;
//Determine Class Breaks for variable
int intValueFldIdx = pFClass.FindField(strVarFldName);
ITable pTable = (ITable)pFClass;
IClassifyGEN pClassifyGEN = null;
switch (cboGCClassify.Text)
{
case "Equal Interval":
pClassifyGEN = new EqualIntervalClass();
break;
case "Geometrical Interval":
pClassifyGEN = new GeometricalInterval();
break;
case "Natural Breaks":
pClassifyGEN = new NaturalBreaksClass();
break;
case "Quantile":
pClassifyGEN = new QuantileClass();
break;
case "StandardDeviation":
pClassifyGEN = new StandardDeviationClass();
break;
default:
pClassifyGEN = new NaturalBreaksClass();
break;
}
ITableHistogram pTableHistogram = new BasicTableHistogramClass();
pTableHistogram.Field = strVarFldName;
pTableHistogram.Table = pTable;
//IHistogram pHistogram = (IHistogram)pTableHistogram2;
IBasicHistogram pHistogram = (IBasicHistogram)pTableHistogram;
////Not working in ArcGIS 10.5 022417 HK
//ITableHistogram pTableHistogram = new TableHistogramClass();
//pTableHistogram.Field = strVarFldName;
//pTableHistogram.Table = pTable;
//IHistogram pHistogram = (IHistogram)pTableHistogram;
object xVals, frqs;
pHistogram.GetHistogram(out xVals, out frqs);
pClassifyGEN.Classify(xVals, frqs, m_intClassNumber);
double[] cb = (double[])pClassifyGEN.ClassBreaks;
//Class Determinations for vertical and horizontal axis
if (m_VerticalBreaks == null)
{
pClassifyGEN = new QuantileClass(); //Using Quatile
pTableHistogram = new BasicTableHistogramClass();
pTableHistogram.Field = strVerConFldName;
pTableHistogram.Table = pTable;
pHistogram = (IBasicHistogram)pTableHistogram;
pHistogram.GetHistogram(out xVals, out frqs);
pClassifyGEN.Classify(xVals, frqs, intVerCnt);
m_VerticalBreaks = (double[])pClassifyGEN.ClassBreaks;
}
if (m_HorizontalBreaks == null)
{
pClassifyGEN = new QuantileClass(); //Using Quatile
pTableHistogram = new BasicTableHistogramClass();
pTableHistogram.Field = strHorConFldName;
pTableHistogram.Table = pTable;
pHistogram = (IBasicHistogram)pTableHistogram;
pHistogram.GetHistogram(out xVals, out frqs);
pClassifyGEN.Classify(xVals, frqs, intHorCnt);
m_HorizontalBreaks = (double[])pClassifyGEN.ClassBreaks;
}
//Create Renderer
IClassBreaksRenderer pRender = new ClassBreaksRenderer();
pRender.Field = strVarFldName;
pRender.BreakCount = m_intClassNumber;
pRender.MinimumBreak = cb[0];
string strColorRamp = cboColorRamp.Text;
IEnumColors pEnumColors = MultiPartColorRamp(strColorRamp, "CIE Lab", m_intClassNumber);
pEnumColors.Reset();
int[,] arrColors = new int[m_intClassNumber, 3];
for (int k = 0; k < m_intClassNumber; 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();
IRgbColor pColorOutline = new RgbColor();
//Can Change the color in here!
pColorOutline = m_pSnippet.getRGB(picOutlineColor.BackColor.R, picOutlineColor.BackColor.G, picOutlineColor.BackColor.B);
double dblGCOutlineSize = Convert.ToDouble(nudOutlinewidth.Value);
ICartographicLineSymbol pOutLines = new CartographicLineSymbol();
pOutLines.Width = dblGCOutlineSize;
pOutLines.Color = (IColor)pColorOutline;
//' use this interface to set dialog properties
IClassBreaksUIProperties pUIProperties = (IClassBreaksUIProperties)pRender;
pUIProperties.ColorRamp = "Custom";
ISimpleFillSymbol pSimpleFillSym;
pEnumColors.Reset();
double dblAdding = Math.Pow(0.1, m_intRounding);
for (int j = 0; j < m_intClassNumber; j++)
{
pRender.Break[j] = cb[j + 1];
if (j == 0)
{
pRender.Label[j] = Math.Round(cb[j], m_intRounding).ToString("N" + m_intRounding.ToString()) + " - " + Math.Round(cb[j + 1], 2).ToString("N" + m_intRounding.ToString());
}
else
{
pRender.Label[j] = Math.Round(cb[j] + dblAdding, m_intRounding).ToString("N" + m_intRounding.ToString()) + " - " + Math.Round(cb[j + 1], 2).ToString("N" + m_intRounding.ToString());
}
pUIProperties.LowBreak[j] = cb[j];
pSimpleFillSym = new SimpleFillSymbolClass();
IRgbColor pRGBColor = m_pSnippet.getRGB(arrColors[j, 0], arrColors[j, 1], arrColors[j, 2]);
pSimpleFillSym.Color = (IColor)pRGBColor;
pSimpleFillSym.Outline = pOutLines;
pRender.Symbol[j] = (ISymbol)pSimpleFillSym;
}
//Background Layer
ISimpleRenderer pSimpleRender = new SimpleRendererClass();
ISimpleFillSymbol pBGSymbol = new SimpleFillSymbolClass();
pBGSymbol.Color = (IColor)m_pSnippet.getRGB(picBGColor.BackColor.R, picBGColor.BackColor.G, picBGColor.BackColor.B);
ICartographicLineSymbol pBGOutLines = new CartographicLineSymbol();
pBGOutLines.Width = 0;
pBGOutLines.Color = m_pSnippet.getRGB(255, 255, 255);
pBGSymbol.Outline = pBGOutLines;
pSimpleRender.Symbol = (ISymbol)pBGSymbol;
IFeatureLayer pflBG = new FeatureLayerClass();
pflBG.FeatureClass = pFClass;
IGeoFeatureLayer pGeoBG = (IGeoFeatureLayer)pflBG;
pGeoBG.Renderer = (IFeatureRenderer)pSimpleRender;
pGeoBG.Selectable = false;
//Feature Count for each map
m_intsFeatureCnts = new int[intVerCnt * intHorCnt];
int l = 0;
for (int i = 0; i < intVerCnt; i++)
{
for (int j = 0; j < intHorCnt; j++)
{
IFeatureLayer pflOutput = new FeatureLayerClass();
pflOutput.FeatureClass = pFClass;
IGeoFeatureLayer pGeofeatureLayer = (IGeoFeatureLayer)pflOutput;
pGeofeatureLayer.Renderer = (IFeatureRenderer)pRender;
IFeatureLayerDefinition2 pFDefinition = (IFeatureLayerDefinition2)pGeofeatureLayer;
string strWhereClause = null;
if (i == 0 && j == 0)
{
strWhereClause = strVerConFldName + " >= " + m_VerticalBreaks[i].ToString() + " AND " +
strVerConFldName + " <= " + m_VerticalBreaks[i + 1].ToString() + " AND " +
strHorConFldName + " >= " + m_HorizontalBreaks[j].ToString() + " AND " +
strHorConFldName + " <= " + m_HorizontalBreaks[j + 1].ToString();
}
else if (i != 0 && j == 0)
{
strWhereClause = strVerConFldName + " > " + m_VerticalBreaks[i].ToString() + " AND " +
strVerConFldName + " <= " + m_VerticalBreaks[i + 1].ToString() + " AND " +
strHorConFldName + " >= " + m_HorizontalBreaks[j].ToString() + " AND " +
strHorConFldName + " <= " + m_HorizontalBreaks[j + 1].ToString();
}
else if (i == 0 && j != 0)
{
strWhereClause = strVerConFldName + " >= " + m_VerticalBreaks[i].ToString() + " AND " +
strVerConFldName + " <= " + m_VerticalBreaks[i + 1].ToString() + " AND " +
strHorConFldName + " > " + m_HorizontalBreaks[j].ToString() + " AND " +
strHorConFldName + " <= " + m_HorizontalBreaks[j + 1].ToString();
}
else
{
strWhereClause = strVerConFldName + " > " + m_VerticalBreaks[i].ToString() + " AND " +
strVerConFldName + " <= " + m_VerticalBreaks[i + 1].ToString() + " AND " +
strHorConFldName + " > " + m_HorizontalBreaks[j].ToString() + " AND " +
strHorConFldName + " <= " + m_HorizontalBreaks[j + 1].ToString();
}
pFDefinition.DefinitionExpression = strWhereClause;
IQueryFilter pQfilter = new QueryFilterClass();
pQfilter.WhereClause = strWhereClause;
m_intsFeatureCnts[l] = pGeofeatureLayer.FeatureClass.FeatureCount(pQfilter);
m_axMapControls[l].ActiveView.FocusMap.ClearLayers();
m_axMapControls[l].ActiveView.FocusMap.AddLayer(pGeoBG);
m_axMapControls[l].ActiveView.FocusMap.AddLayer(pGeofeatureLayer);
m_axMapControls[l].ActiveView.Extent = m_axMapControls[l].ActiveView.FullExtent;
m_axMapControls[l].ActiveView.Refresh();
l++;
}
}
lblVariable.Text = "Selected Variable: " + strVarFldName;
UpdateRange(lvSymbol, m_intClassNumber, cb, arrColors, m_intRounding);
if (m_blnAddBoxes)
{
UpdateTextBoxes();
}
else
{
AddTextBoxes();
}
UpdateLabels();
UpdateHorVerLabels();
}
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();
}
// 分级色彩符号化
public static void GraduatedColors(IFeatureLayer featureLayer, string fieldName, int numClasses, IMapControl2 mapControl, AxTOCControl tocControl)
{
object dataFrequency;
object dataValue;
int breakIndex;
ITable pTable = featureLayer.FeatureClass as ITable;
ITableHistogram pTableHistogram = new BasicTableHistogramClass()
{
Field = fieldName, Table = pTable
};
IBasicHistogram pBasicHistogram = (IBasicHistogram)pTableHistogram;
// 获取渲染字段的值及其出现的频率
pBasicHistogram.GetHistogram(out dataValue, out dataFrequency);
IClassifyGEN pClassifyGEN = new EqualIntervalClass();
try { pClassifyGEN.Classify(dataValue, dataFrequency, ref numClasses); }
catch { }
// 返回一个数组
double[] Classes = pClassifyGEN.ClassBreaks as double[];
int ClassesCount = Classes.GetUpperBound(0);
IClassBreaksRenderer pRenderer = new ClassBreaksRendererClass()
{
// 分级字段 分级数目 分级后的图例是否按升级顺序排序
Field = fieldName, BreakCount = ClassesCount, SortClassesAscending = true
};
// 设置分级说色所需颜色带的起止颜色
//IHsvColor pFromColor = GetHsvColor(0, 50, 96);
//IHsvColor pToColor = GetHsvColor(80, 100, 96);
IRgbColor pFromColor = GetRgbColor(255, 200, 200);
IRgbColor pToColor = GetRgbColor(255, 0, 0);
// 生成颜色带对象
IAlgorithmicColorRamp pColorRamp = CreateColorRamp(pFromColor, pToColor, ClassesCount);
// 获取色带颜色集
IEnumColors pEnumColors = pColorRamp.Colors;
// 逐一设置填充符号及每一分级的分级断点
for (breakIndex = 0; breakIndex < ClassesCount; breakIndex++)
{
IColor pColor = pEnumColors.Next();
ISymbol pSymbol = null;
switch (featureLayer.FeatureClass.ShapeType)
{
case esriGeometryType.esriGeometryPolygon:
pSymbol = new SimpleFillSymbolClass()
{
Color = pColor, Style = esriSimpleFillStyle.esriSFSSolid
};
break;
case esriGeometryType.esriGeometryPolyline:
pSymbol = new SimpleLineSymbolClass()
{
Color = pColor
};
break;
case esriGeometryType.esriGeometryPoint:
pSymbol = new SimpleMarkerSymbolClass()
{
Color = pColor
};
break;
}
// 设置填充符号
pRenderer.set_Symbol(breakIndex, pSymbol);
// 设置每一级的分级断点
pRenderer.set_Break(breakIndex, Classes[breakIndex + 1]);
}
(featureLayer as IGeoFeatureLayer).Renderer = pRenderer as IFeatureRenderer;
mapControl.Refresh();
tocControl.Update();
}
/// <summary>
/// 分级符号渲染矢量数据
/// </summary>
/// <param name="pFeatureLayer"></param>
/// <param name="mField"></param>
public void SimpleRenderByColor(IFeatureLayer pFeatureLayer, string mField)
{
//分5类
int breakCount = 5;
try
{
var pGeoFeatureLayer = (IGeoFeatureLayer)pFeatureLayer;
//计算最大最小值
var pTable = (ITable)pGeoFeatureLayer;
if (pTable.FindField(mField) == -1)
{
MessageBox.Show("此类型水质数据不存在");
return;
}
IQueryFilter pQueryFilter = new QueryFilterClass();
pQueryFilter.AddField("");
var pCursor = pTable.Search(pQueryFilter, true);
//获取统计结果
IDataStatistics pDataStatistics = new DataStatisticsClass();
pDataStatistics.Cursor = pCursor;
//设置要统计字段的名称
pDataStatistics.Field = mField;
//获取统计的结果
//背景色
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pFillSymbol.Color = GetColor(0, 0, 0);
//点符号样式
ISimpleMarkerSymbol pSimpleMarkerSymbol = new SimpleMarkerSymbolClass();
pSimpleMarkerSymbol.Outline = true;
pSimpleMarkerSymbol.OutlineColor = GetColor(0, 0, 0);
//分级符号
//获取统计数据及频率
ITableHistogram pTableHistogram = new BasicTableHistogramClass();
pTableHistogram.Field = mField;
pTableHistogram.Table = pTable;
object dataValue, dataFrequency;
IBasicHistogram pHistogram = (IBasicHistogram)pTableHistogram;
pHistogram.GetHistogram(out dataValue, out dataFrequency);
IClassifyGEN pClassifyGen = new NaturalBreaksClass();
//产生种类
pClassifyGen.Classify(dataValue, dataFrequency, ref breakCount);
object ob = pClassifyGen.ClassBreaks;
double[] classes = (double[])ob;
int classesCount = classes.Length;
//定义分类渲染
IClassBreaksRenderer pClassBreaksRenderer = new ClassBreaksRendererClass();
pClassBreaksRenderer.Field = mField;
pClassBreaksRenderer.BreakCount = classesCount;
pClassBreaksRenderer.SortClassesAscending = true;
pClassBreaksRenderer.MinimumBreak = classes[0];
//设置要素颜色
IColor pColor = GetColor(0, 217, 0);
for (int i = 0; i < classesCount; i++)
{
ISimpleFillSymbol pFillSymbol1 = new SimpleFillSymbolClass();
pSimpleMarkerSymbol.Color = pColor;
pFillSymbol1.Style = esriSimpleFillStyle.esriSFSSolid;
pSimpleMarkerSymbol.Size = 2 * (i + 1);
pClassBreaksRenderer.BackgroundSymbol = pFillSymbol1;
pClassBreaksRenderer.set_Symbol(i, (ISymbol)pSimpleMarkerSymbol);
pClassBreaksRenderer.set_Break(i, classes[i]);
}
pGeoFeatureLayer.Renderer = (IFeatureRenderer)pClassBreaksRenderer;
this._pMap.AddLayer(pGeoFeatureLayer);
IActiveView pActiveView = _pMap as IActiveView;
if (pActiveView != null)
{
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
pActiveView.Extent = pActiveView.FullExtent;
}
}
catch (Exception e)
{
MessageBox.Show("渲染出错!\n" + e.ToString());
}
}
