private IColorRamp CreateMultiPartColorRamp()
{
IMultiPartColorRamp pMultiPartColorRamp = new MultiPartColorRampClass();
bool bture = true;
//叠加颜色带
pMultiPartColorRamp.AddRamp(CreateAlgorithmicColorRamp());
pMultiPartColorRamp.AddRamp(CreateRandomColorRamp());
//设置颜色带颜色数量
pMultiPartColorRamp.Size = 10;
pMultiPartColorRamp.CreateRamp(out bture);
return(pMultiPartColorRamp);
}
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 static IMultiPartColorRamp CreateMultiPartColorRamp(List <IColorRamp> lColorRamps, int iSize = 500)
{
IMultiPartColorRamp pMultiPartColorRamp = new MultiPartColorRampClass();
foreach (IColorRamp pColorRamp in lColorRamps)
{
pMultiPartColorRamp.AddRamp(pColorRamp);
}
pMultiPartColorRamp.Size = iSize;
bool bOK = true;
pMultiPartColorRamp.CreateRamp(out bOK);
return(pMultiPartColorRamp);
}
/// <summary>
/// 打开adf文件格式栅格数据
/// </summary>
/// <param name="rasterPath"></param>
/// <param name="fileName"></param>
public static void OpenRasterLayer(string rasterPath, string fileName)
{
IWorkspaceFactory workspaceFactory = new RasterWorkspaceFactory();
IWorkspace SWorkspace = workspaceFactory.OpenFromFile(rasterPath, 0);
IRasterWorkspace rasterWorkspace = SWorkspace as IRasterWorkspace;
IRasterDataset pRasterDataset = (IRasterDataset)rasterWorkspace.OpenRasterDataset(fileName);
IRasterLayer pRasterLayer = new RasterLayerClass();
pRasterLayer.CreateFromDataset(pRasterDataset);
IAlgorithmicColorRamp colorRamp = new AlgorithmicColorRampClass()
{
FromColor = new RgbColorClass()
{
Red = 197, Green = 68, Blue = 56
},
ToColor = new RgbColorClass()
{
Red = 80, Green = 110, Blue = 207
},
Size = 100
};//Red = 80, Green = 110, Blue = 207
IMultiPartColorRamp multiPartColorRamp = new MultiPartColorRampClass();
multiPartColorRamp.set_Ramp(0, colorRamp);
bool outCreate = false;
colorRamp.CreateRamp(out outCreate);
//设置渲染参数
IRasterStretchColorRampRenderer rasterStretchColorRampRenderer = new RasterStretchColorRampRendererClass();
IRasterRenderer rasterRenderer = rasterStretchColorRampRenderer as IRasterRenderer;
rasterRenderer.Raster = pRasterLayer.Raster;
rasterRenderer.Update();
rasterStretchColorRampRenderer.BandIndex = 0;
rasterStretchColorRampRenderer.ColorRamp = multiPartColorRamp as IColorRamp;
rasterRenderer.Update();
pRasterLayer.Renderer = rasterRenderer;
MainFrom.m_mapControl.AddLayer(pRasterLayer);
}
private IEnumColors MultiPartColorRamp(string strColorRamp, string strAlgorithm, int intGCBreakeCount)
{
try
{
IEnumColors pEnumColors = null;
if (strColorRamp == "Blue Light to Dark" || strColorRamp == "Green Light to Dark" || strColorRamp == "Orange Light to Dark" || strColorRamp == "Red Light to Dark")
{
IAlgorithmicColorRamp pColorRamp = new AlgorithmicColorRampClass();
switch (strAlgorithm)
{
case "HSV":
pColorRamp.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
break;
case "CIE Lab":
pColorRamp.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
break;
case "Lab LCh":
pColorRamp.Algorithm = esriColorRampAlgorithm.esriLabLChAlgorithm;
break;
default:
pColorRamp.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
break;
}
IRgbColor pColor1 = new RgbColor();
IRgbColor pColor2 = new RgbColor();
switch (strColorRamp)
{
case "Blue Light to Dark":
pColor1 = pSnippet.getRGB(239, 243, 255);
pColor2 = pSnippet.getRGB(8, 81, 156);
break;
case "Green Light to Dark":
pColor1 = pSnippet.getRGB(237, 248, 233);
pColor2 = pSnippet.getRGB(0, 109, 44);
break;
case "Orange Light to Dark":
pColor1 = pSnippet.getRGB(254, 237, 222);
pColor2 = pSnippet.getRGB(166, 54, 3);
break;
case "Red Light to Dark":
pColor1 = pSnippet.getRGB(254, 229, 217);
pColor2 = pSnippet.getRGB(165, 15, 21);
break;
default:
pColor1 = pSnippet.getRGB(254, 229, 217);
pColor2 = pSnippet.getRGB(165, 15, 21);
break;
}
Boolean blnOK = true;
pColorRamp.FromColor = pColor1;
pColorRamp.ToColor = pColor2;
pColorRamp.Size = intGCBreakeCount;
pColorRamp.CreateRamp(out blnOK);
//arrColors = new int [intGCBreakeCount,3];
pEnumColors = pColorRamp.Colors;
}
else if (strColorRamp == "Custom")
{
Boolean blnOK = true;
frmColorRamps m_pColorRamps = System.Windows.Forms.Application.OpenForms["frmColorRamps"] as frmColorRamps;
IMultiPartColorRamp pMultiColorRamp = m_pColorRamps.pMulitColorRampsResults;
pMultiColorRamp.Size = intGCBreakeCount;
pMultiColorRamp.CreateRamp(out blnOK);
pEnumColors = pMultiColorRamp.Colors;
}
else
{
IAlgorithmicColorRamp pColorRamp1 = new AlgorithmicColorRampClass();
IAlgorithmicColorRamp pColorRamp2 = new AlgorithmicColorRampClass();
switch (strAlgorithm)
{
case "HSV":
pColorRamp1.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
pColorRamp2.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
break;
case "CIE Lab":
pColorRamp1.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
pColorRamp2.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
break;
case "Lab LCh":
pColorRamp1.Algorithm = esriColorRampAlgorithm.esriLabLChAlgorithm;
pColorRamp2.Algorithm = esriColorRampAlgorithm.esriLabLChAlgorithm;
break;
default:
pColorRamp1.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
pColorRamp2.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
break;
}
IRgbColor pColor1 = new RgbColor();
IRgbColor pColor2 = new RgbColor();
IRgbColor pColor3 = new RgbColor();
switch (strColorRamp)
{
case "Blue to Red":
pColor1 = pSnippet.getRGB(49, 54, 149);
pColor2 = pSnippet.getRGB(255, 255, 191);
pColor3 = pSnippet.getRGB(165, 0, 38);
break;
case "Green to Purple":
pColor1 = pSnippet.getRGB(0, 68, 27);
pColor2 = pSnippet.getRGB(247, 247, 247);
pColor3 = pSnippet.getRGB(64, 0, 75);
break;
case "Green to Red":
pColor1 = pSnippet.getRGB(0, 104, 55);
pColor2 = pSnippet.getRGB(255, 255, 191);
pColor3 = pSnippet.getRGB(165, 0, 38);
break;
case "Purple to Brown":
pColor1 = pSnippet.getRGB(45, 0, 75);
pColor2 = pSnippet.getRGB(247, 247, 247);
pColor3 = pSnippet.getRGB(127, 59, 8);
break;
default:
pColor1 = pSnippet.getRGB(49, 54, 149);
pColor2 = pSnippet.getRGB(255, 255, 191);
pColor3 = pSnippet.getRGB(165, 0, 38);
break;
}
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 = intGCBreakeCount;
pMultiColorRamp.CreateRamp(out blnOK);
pEnumColors = pMultiColorRamp.Colors;
}
pEnumColors.Reset();
return(pEnumColors);
}
catch (Exception ex)
{
MessageBox.Show(this.Handle.ToString() + " Error:" + ex.Message);
return(null);
}
}
private IEnumColors MultiPartColorRamp(string strColorRamp, int intGCBreakeCount)
{
IAlgorithmicColorRamp pColorRamp1 = new AlgorithmicColorRampClass();
pColorRamp1.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
IAlgorithmicColorRamp pColorRamp2 = new AlgorithmicColorRampClass();
pColorRamp2.Algorithm = esriColorRampAlgorithm.esriCIELabAlgorithm;
IRgbColor pColor1 = new RgbColor();
IRgbColor pColor2 = new RgbColor();
IRgbColor pColor3 = new RgbColor();
switch (strColorRamp)
{
case "Blue to Red":
pColor1 = pSnippet.getRGB(49, 54, 149);
pColor2 = pSnippet.getRGB(255, 255, 191);
pColor3 = pSnippet.getRGB(165, 0, 38);
break;
case "Green to Purple":
pColor1 = pSnippet.getRGB(0, 68, 27);
pColor2 = pSnippet.getRGB(247, 247, 247);
pColor3 = pSnippet.getRGB(64, 0, 75);
break;
case "Green to Red":
pColor1 = pSnippet.getRGB(0, 104, 55);
pColor2 = pSnippet.getRGB(255, 255, 191);
pColor3 = pSnippet.getRGB(165, 0, 38);
break;
case "Purple to Brown":
pColor1 = pSnippet.getRGB(45, 0, 75);
pColor2 = pSnippet.getRGB(247, 247, 247);
pColor3 = pSnippet.getRGB(127, 59, 8);
break;
default:
pColor1 = pSnippet.getRGB(49, 54, 149);
pColor2 = pSnippet.getRGB(255, 255, 191);
pColor3 = pSnippet.getRGB(165, 0, 38);
break;
}
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 = intGCBreakeCount;
pMultiColorRamp.CreateRamp(out blnOK);
IEnumColors pEnumColors = pMultiColorRamp.Colors;
return(pEnumColors);
}
