Example #1
0
        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;
        }
Example #2
0
 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");
     }
 }