internal static void UsingRasterClassifyRendered1(IRasterLayer irasterLayer_0, int int_0, string string_0)
{
bool flag;
IRaster raster = irasterLayer_0.Raster;
IRasterClassifyColorRampRenderer o = new RasterClassifyColorRampRenderer();
IRasterRenderer renderer2 = o as IRasterRenderer;
renderer2.Raster = raster;
o.ClassField = string_0;
o.ClassCount = int_0;
IClassify classify = new EqualInterval() as IClassify;
UID classID = classify.ClassID;
IRasterClassifyUIProperties properties = o as IRasterClassifyUIProperties;
properties.ClassificationMethod = classID;
renderer2.Update();
IColorRamp ramp = ColorManage.CreateColorRamp();
ramp.Size = int_0;
ramp.CreateRamp(out flag);
IFillSymbol symbol = new SimpleFillSymbol();
for (int i = 0; i < o.ClassCount; i++)
{
symbol.Color = ramp.get_Color(i);
o.set_Symbol(i, symbol as ISymbol);
}
renderer2.Update();
irasterLayer_0.Renderer = o as IRasterRenderer;
Marshal.ReleaseComObject(o);
o = null;
}
//分级渲染函数
private void RasterClassifyRender(IRasterLayer pRasterLayer)
{
try
{
IColorRamp pColorRamp = (IColorRamp)EnumStyleItem[comboBoxColor.SelectedIndex];
IRasterClassifyColorRampRenderer pRClassRend = new RasterClassifyColorRampRenderer() as IRasterClassifyColorRampRenderer;
IRasterRenderer pRRend = pRClassRend as IRasterRenderer;
IRaster pRaster = pRasterLayer.Raster;
IRasterBandCollection pRBandCol = pRaster as IRasterBandCollection;
IRasterBand pRBand = pRBandCol.Item(0);
if (pRBand.Histogram == null)
{
pRBand.ComputeStatsAndHist();
}
pRRend.Raster = pRaster;
pRRend.Update();
IRgbColor pFromColor = new RgbColor() as IRgbColor;
pFromColor.Red = 255;
pFromColor.Green = 0;
pFromColor.Blue = 0;
IRgbColor pToColor = new RgbColor() as IRgbColor;
pToColor.Red = 0;
pToColor.Green = 0;
pToColor.Blue = 255;
IAlgorithmicColorRamp colorRamp = new AlgorithmicColorRamp() as IAlgorithmicColorRamp;
//colorRamp = pColorRamp as IAlgorithmicColorRamp;///////
colorRamp.Size = comboBoxClassValue.SelectedIndex + 1;
//colorRamp.FromColor = pFromColor;
//colorRamp.ToColor = pToColor;
int nClass = comboBoxClassValue.SelectedIndex + 1;
colorRamp.FromColor = pColorRamp.get_Color(0);
colorRamp.ToColor = pColorRamp.get_Color(nClass - 1);
bool createColorRamp;
colorRamp.CreateRamp(out createColorRamp);
IFillSymbol fillSymbol = new SimpleFillSymbol() as IFillSymbol;
for (int i = 0; i < nClass; i++)
{
fillSymbol.Color = colorRamp.get_Color(i);
pRClassRend.set_Symbol(i, fillSymbol as ISymbol);
pRClassRend.set_Label(i, pRClassRend.get_Break(i).ToString("0.00"));
}
pRasterLayer.Renderer = pRRend;
m_mapControl.Refresh();
}
catch (Exception e)
{
MessageBox.Show("创建失败！");
}
}
/// <summary>
/// Ge the render color of the input layer rendering with classified color ramp.
/// </summary>
/// <param name="layer">Input raster layer</param>
/// <param name="value">Pixel value</param>
/// <returns></returns>
private static IColor GetRenderColor_Classified(ILayer layer, double value)
{
IRasterLayer rasterLayer = (IRasterLayer)layer;
// Check whether the value is NoData value
IRasterProps rasterProps = (IRasterProps)rasterLayer.Raster;
System.Array noDataValue = (System.Array)rasterProps.NoDataValue;
if ((rasterProps.NoDataValue != null) && (Convert.ToDouble(noDataValue.GetValue(0)) == value))
{
return(null);
}
RasterClassifyColorRampRenderer rasterRender = (RasterClassifyColorRampRenderer)rasterLayer.Renderer;
IRasterRendererColorRamp colorRamp = (IRasterRendererColorRamp)rasterRender;
for (int index = 0; index < rasterRender.ClassCount - 1; index++)
{
if (value <= rasterRender.Break[index])
{
return(colorRamp.ColorRamp.Color[index]);
}
}
return(colorRamp.ColorRamp.Color[rasterRender.ClassCount - 1]);
}
public void createSSTrst(ILayer layer)
{
IRasterClassifyColorRampRenderer pRClassRend = new RasterClassifyColorRampRenderer() as IRasterClassifyColorRampRenderer;
IRasterRenderer pRRend = pRClassRend as IRasterRenderer;
IRasterLayer rstLayer = layer as IRasterLayer;
IRaster pRaster = rstLayer.Raster;
IRasterBandCollection pRBandCol = pRaster as IRasterBandCollection;
IRasterBand pRBand = pRBandCol.Item(0);
if(pRBand.Histogram == null)
{
pRBand.ComputeStatsAndHist();
}
pRRend.Raster = pRaster;
pRClassRend.ClassCount = 10;
pRRend.Update();
IRgbColor pFromColor = new RgbColor() as IRgbColor;
pFromColor.Red = 0;
pFromColor.Green = 0;
pFromColor.Blue = 255;
IRgbColor pToColor = new RgbColor() as IRgbColor;
pToColor.Red = 255;
pToColor.Green = 0;
pToColor.Blue = 0;
IAlgorithmicColorRamp colorRamp = new AlgorithmicColorRamp() as IAlgorithmicColorRamp;
colorRamp.Size = 10;
colorRamp.FromColor = pFromColor;
colorRamp.ToColor = pToColor;
bool createColorRamp;
colorRamp.CreateRamp(out createColorRamp);
IFillSymbol fillSymbol = new SimpleFillSymbol() as IFillSymbol;
for(int i = 0; i < pRClassRend.ClassCount; i++)
{
fillSymbol.Color = colorRamp.get_Color(i);
pRClassRend.set_Symbol(i, fillSymbol as ISymbol);
pRClassRend.set_Label(i, pRClassRend.get_Break(i).ToString("0.00"));
}
rstLayer.Renderer = pRRend;
axMapControl1.AddLayer(rstLayer);
this.axMapControl1.ActiveView.Refresh();
this.axTOCControl1.Update();
}
public void funColorForRaster_Classify(IRasterLayer pRasterLayer)
{
IRasterClassifyColorRampRenderer pRClassRend = new
RasterClassifyColorRampRenderer() as IRasterClassifyColorRampRenderer;
IRasterRenderer pRRend = pRClassRend as IRasterRenderer;
IRaster pRaster = pRasterLayer.Raster;//栅格图
IRasterBandCollection pRBandCol = pRaster as IRasterBandCollection;
IRasterBand pRBand = pRBandCol.Item(0);
if (pRBand.Histogram == null)
{
pRBand.ComputeStatsAndHist();
}
pRRend.Raster = pRaster;
pRClassRend.ClassCount = 10;
pRRend.Update();
IRgbColor pFromColor = new RgbColor() as IRgbColor;
pFromColor.Red = 255;
pFromColor.Green = 0;
pFromColor.Blue = 0;
IRgbColor pToColor = new RgbColor() as IRgbColor;
pToColor.Red = 0;
pToColor.Green = 0;
pToColor.Blue = 255;
IAlgorithmicColorRamp colorRamp = new AlgorithmicColorRamp() as
IAlgorithmicColorRamp;
colorRamp.Size = 10;
colorRamp.FromColor = pFromColor;
colorRamp.ToColor = pToColor;
bool createColorRamp;
colorRamp.CreateRamp(out createColorRamp);
IFillSymbol fillSymbol = new SimpleFillSymbol() as IFillSymbol;
for (int i = 0; i < pRClassRend.ClassCount; i++)
{
fillSymbol.Color = colorRamp.get_Color(i);
pRClassRend.set_Symbol(i, fillSymbol as ISymbol);
pRClassRend.set_Label(i,
pRClassRend.get_Break(i).ToString("0.00"));
}
pRasterLayer.Renderer = pRRend;
IActiveView activeview = this.axMapControl1.ActiveView;
activeview.ContentsChanged();
//刷新窗口
activeview.PartialRefresh(esriViewDrawPhase.esriViewGeography, null,
null);
}
public void funColorForRaster_Classify(IRasterLayer pRasterLayer, int number)
{
IRasterClassifyColorRampRenderer pRClassRend = new
RasterClassifyColorRampRenderer() as IRasterClassifyColorRampRenderer;
IRasterRenderer pRRend = pRClassRend as IRasterRenderer;
IRaster pRaster = pRasterLayer.Raster;//栅格图层转换为栅格图
IRasterBandCollection pRBandCol = pRaster as IRasterBandCollection;
IRasterBand pRBand = pRBandCol.Item(0);
if (pRBand.Histogram == null)
{
pRBand.ComputeStatsAndHist();
}
pRRend.Raster = pRaster;
pRClassRend.ClassCount = number;//设置分级层次，默认为10
pRRend.Update();
//设置初始渐变色和结束渐变色
MessageBox.Show("请选择初始颜色", "颜色选择", MessageBoxButtons.OK, MessageBoxIcon.Information);
IRgbColor pFromColor = new RgbColor() as IRgbColor;
selectColor(pFromColor);
MessageBox.Show("请选择结束颜色", "颜色选择", MessageBoxButtons.OK, MessageBoxIcon.Information);
IRgbColor pToColor = new RgbColor() as IRgbColor;
selectColor(pToColor);
IAlgorithmicColorRamp colorRamp = new AlgorithmicColorRamp() as
IAlgorithmicColorRamp;
colorRamp.Size = 10;
colorRamp.FromColor = pFromColor;
colorRamp.ToColor = pToColor;
bool createColorRamp;
colorRamp.CreateRamp(out createColorRamp);
IFillSymbol fillSymbol = new SimpleFillSymbol() as IFillSymbol;
for (int i = 0; i < pRClassRend.ClassCount; i++)
{
fillSymbol.Color = colorRamp.get_Color(i);
pRClassRend.set_Symbol(i, fillSymbol as ISymbol);
pRClassRend.set_Label(i,
pRClassRend.get_Break(i).ToString("0.00"));
}
pRasterLayer.Renderer = pRRend;
IActiveView activeview = this.axMapControl1.ActiveView;
activeview.ContentsChanged();
//刷新窗口
activeview.PartialRefresh(esriViewDrawPhase.esriViewGeography, null,
null);
}
public static IRasterClassifyColorRampRenderer RasterClassifyRenderer(IRasterLayer irasterLayer_0)
{
bool flag;
double @break;
string str;
IRasterClassifyColorRampRenderer rasterClassifyColorRampRenderer;
try
{
IRasterClassifyColorRampRenderer rasterClassifyColorRampRendererClass =
new RasterClassifyColorRampRenderer();
IRasterRenderer raster = (IRasterRenderer)rasterClassifyColorRampRendererClass;
rasterClassifyColorRampRendererClass.ClassField = "<VALUE>";
rasterClassifyColorRampRendererClass.NormField = "<NONE>";
raster.Raster = irasterLayer_0.Raster;
rasterClassifyColorRampRendererClass.ClassCount = 3;
raster.Update();
IAlgorithmicColorRamp algorithmicColorRampClass = new AlgorithmicColorRamp()
{
Size = 3
};
algorithmicColorRampClass.CreateRamp(out flag);
IFillSymbol simpleFillSymbolClass = new SimpleFillSymbol();
for (int i = 0; i < rasterClassifyColorRampRendererClass.ClassCount; i++)
{
simpleFillSymbolClass.Color = algorithmicColorRampClass.Color[i];
rasterClassifyColorRampRendererClass.Symbol[i] = (ISymbol)simpleFillSymbolClass;
if (i != rasterClassifyColorRampRendererClass.ClassCount - 1)
{
@break = rasterClassifyColorRampRendererClass.Break[i];
string str1 = @break.ToString("0.####");
@break = rasterClassifyColorRampRendererClass.Break[i + 1];
str = string.Concat(str1, " - ", @break.ToString("0.####"));
}
else
{
@break = rasterClassifyColorRampRendererClass.Break[i];
str = @break.ToString("0.####");
}
rasterClassifyColorRampRendererClass.set_Label(i, str);
}
rasterClassifyColorRampRenderer = raster as IRasterClassifyColorRampRenderer;
}
catch (Exception exception)
{
Debug.WriteLine(exception.Message);
rasterClassifyColorRampRenderer = null;
}
return(rasterClassifyColorRampRenderer);
}
public IRasterLayer funColorForRaster(IRasterLayer pRasterLayer)
{
IRasterClassifyColorRampRenderer pRClassRend = new RasterClassifyColorRampRenderer() as IRasterClassifyColorRampRenderer;
IRasterRenderer pRRend = pRClassRend as IRasterRenderer;
IRaster pRaster = pRasterLayer.Raster;
IRasterBandCollection pRBandCol = pRaster as IRasterBandCollection;
IRasterBand pRBand = pRBandCol.Item(0);
if (pRBand.Histogram == null)
{
pRBand.ComputeStatsAndHist();
}
pRRend.Raster = pRaster;
pRClassRend.ClassCount = 10;
pRRend.Update();
IRgbColor pFromColor = new RgbColor() as IRgbColor;
pFromColor.Red = 255;
pFromColor.Green = 0;
pFromColor.Blue = 0;
IRgbColor pToColor = new RgbColor() as IRgbColor;
pToColor.Red = 0;
pToColor.Green = 0;
pToColor.Blue = 255;
IAlgorithmicColorRamp colorRamp = new AlgorithmicColorRamp() as IAlgorithmicColorRamp;
colorRamp.Size = 10;
colorRamp.FromColor = pFromColor;
colorRamp.ToColor = pToColor;
//ESRI.ArcGIS.Display.IMultiPartColorRamp colorRamp = new MultiPartColorRamp() as IMultiPartColorRamp;
comboBox1.Items.Add(colorRamp);
bool createColorRamp;
colorRamp.CreateRamp(out createColorRamp);
IFillSymbol fillSymbol = new SimpleFillSymbol() as IFillSymbol;
for (int i = 0; i < pRClassRend.ClassCount; i++)
{
fillSymbol.Color = colorRamp.get_Color(i);
pRClassRend.set_Symbol(i, fillSymbol as ISymbol);
pRClassRend.set_Label(i, pRClassRend.get_Break(i).ToString("0.00"));
}
pRasterLayer.Renderer = pRRend;
return(pRasterLayer);
}
//更新色带渲染
private void SingleClassifyRender(ILayer pLayerR, int NumOfClass, IColorRamp colorRamp)
{
// Get raster input from layer
IRasterLayer pRLayer;
pRLayer = pLayerR as IRasterLayer;
IRaster pRaster;
pRaster = pRLayer.Raster;
//Create classfy renderer and QI RasterRenderer interface
IRasterClassifyColorRampRenderer pClassRen;
pClassRen = new RasterClassifyColorRampRenderer();
IRasterRenderer pRasRen;
pRasRen = (IRasterRenderer)pClassRen;
//Set raster for the render and update
pRasRen.Raster = pRaster;
//pClassRen.ClassCount = NumOfClass;
pClassRen.ClassCount = NumOfClass;
//pRasRen.Update();
//Create symbol for the classes
IFillSymbol pFSymbol;
pFSymbol = new SimpleFillSymbol();
//http://blog.csdn.net/jack5s/article/details/48184819
pRLayer.Renderer = (IRasterRenderer)pClassRen; //label的设置,一定要放在RasterLayer.Renderer = RasterRender这句后面，否则无效
//loop through the classes and apply the color and label
int i;
for (i = 0; i < pClassRen.ClassCount; i++)
{
pFSymbol.Color = colorRamp.get_Color(i);
pClassRen.set_Symbol(i, (ISymbol)pFSymbol);
pClassRen.set_Label(i, DataGridFilterData[i, 2].ToString());
//pClassRen.set_Label(i, "Class" + i.ToString());
}
//Update the renderer and plug into layer
//pRasRen.Update();
pRLayer.Renderer = (IRasterRenderer)pClassRen;
}
//更新色带渲染
private void SingleClassifyRender(ILayer pLayerR, int NumOfClass, IColorRamp colorRamp)
{
// Get raster input from layer
IRasterLayer pRLayer;
pRLayer = pLayerR as IRasterLayer;
IRaster pRaster;
pRaster = pRLayer.Raster;
//Create classfy renderer and QI RasterRenderer interface
IRasterClassifyColorRampRenderer pClassRen;
pClassRen = new RasterClassifyColorRampRenderer();
IRasterRenderer pRasRen;
pRasRen = (IRasterRenderer)pClassRen;
//Set raster for the render and update
pRasRen.Raster = pRaster;
//pClassRen.ClassCount = NumOfClass;
pClassRen.ClassCount = NumOfClass;
//pRasRen.Update();
//Create symbol for the classes
IFillSymbol pFSymbol;
pFSymbol = new SimpleFillSymbol();
//loop through the classes and apply the color and label
int i;
for (i = 0; i < pClassRen.ClassCount; i++)
{
pFSymbol.Color = colorRamp.get_Color(i);
pClassRen.set_Symbol(i, (ISymbol)pFSymbol);
pClassRen.set_Label(i, "Class" + i.ToString());
}
//Update the renderer and plug into layer
//pRasRen.Update();
pRLayer.Renderer = (IRasterRenderer)pClassRen;
}
/// <summary>
/// 分类色带渲染
/// </summary>
/// <param name="classCount">分类数</param>
/// <param name="colorRamp">色带</param>
public void ClassifyColorRampRenderer(ILayer pLayerR, IColorRamp colorRamp, string classfield, System.Windows.Forms.DataGridView datagridview)
{
try
{
IRasterLayer pRasterLayer = pLayerR as IRasterLayer;
IRaster raster = pRasterLayer.Raster;
IRasterRenderer pRasterRenderer = new RasterClassifyColorRampRenderer() as IRasterRenderer;
pRasterRenderer.Raster = raster;
IRasterClassifyColorRampRenderer classifyRenderer = pRasterRenderer as IRasterClassifyColorRampRenderer;
int classcount = datagridview.RowCount;
classifyRenderer.ClassCount = classcount;
classifyRenderer.ClassField = classfield;
for (int i = 0; i < datagridview.RowCount; i++)
{
classifyRenderer.set_Break(i, double.Parse(datagridview.Rows[i].Cells[0].Value.ToString()));
}
pRasterRenderer.Update();
colorRamp.Size = 15;
bool pOk;
colorRamp.CreateRamp(out pOk);
//create symbol for the classes
IFillSymbol fillSymbol = new SimpleFillSymbol();
for (int i = 0; i < classifyRenderer.ClassCount - 1; i++)
{
fillSymbol.Color = colorRamp.get_Color(i);
classifyRenderer.set_Symbol(i, (ISymbol)fillSymbol);
classifyRenderer.set_Label(i, classifyRenderer.get_Break(i).ToString() + "—" + datagridview.Rows[i].Cells[1].Value.ToString());
}
pRasterLayer.Renderer = classifyRenderer as IRasterRenderer;
}
catch
{
}
}
public static void UsingRasterClassifyRendered(IRasterLayer irasterLayer_0, int int_0, string string_0)
{
try
{
bool flag;
IRaster raster = irasterLayer_0.Raster;
IRasterBand band = (raster as IRasterBandCollection).Item(0);
band.HasTable(out flag);
if (flag)
{
int num2;
bool flag2;
IRasterClassifyColorRampRenderer renderer = new RasterClassifyColorRampRenderer();
IRasterRenderer renderer2 = renderer as IRasterRenderer;
renderer2.Raster = raster;
ITable attributeTable = band.AttributeTable;
ITableHistogram tableHistogram = new BasicTableHistogram() as ITableHistogram;
tableHistogram.Field = string_0;
tableHistogram.Table = attributeTable;
ITableHistogram histogram = tableHistogram as ITableHistogram;
double maximum = (histogram as IStatisticsResults).Maximum;
IClassify classify = new EqualInterval() as IClassify;
(classify as IClassifyMinMax).Minimum = (histogram as IStatisticsResults).Minimum;
(classify as IClassifyMinMax).Maximum = (histogram as IStatisticsResults).Maximum;
int_0--;
classify.Classify(ref int_0);
object classBreaks = classify.ClassBreaks;
UID classID = classify.ClassID;
IRasterClassifyUIProperties properties = renderer as IRasterClassifyUIProperties;
properties.ClassificationMethod = classID;
renderer.ClassCount = int_0;
renderer.ClassField = string_0;
for (num2 = 0; num2 < int_0; num2++)
{
renderer.set_Break(num2, ((double[])classBreaks)[num2]);
}
IColorRamp ramp = ColorManage.CreateColorRamp();
ramp.Size = int_0;
ramp.CreateRamp(out flag2);
IFillSymbol symbol = new SimpleFillSymbol();
for (num2 = 0; num2 < renderer.ClassCount; num2++)
{
double num4;
symbol.Color = ramp.get_Color(num2);
renderer.set_Symbol(num2, symbol as ISymbol);
double num3 = ((double[])classBreaks)[num2];
if (num2 == (renderer.ClassCount - 1))
{
num4 = maximum;
}
else
{
num4 = ((double[])classBreaks)[num2 + 1];
}
renderer.set_Label(num2, num3.ToString() + "-" + num4.ToString());
}
renderer2.Update();
irasterLayer_0.Renderer = renderer as IRasterRenderer;
}
else
{
UsingRasterClassifyRendered1(irasterLayer_0, int_0, string_0);
}
}
catch (Exception exception)
{
CErrorLog.writeErrorLog(null, exception, "栅格渲染");
}
}