//执行函数
public void Init()
{
try
{
//创建Stretch栅格函数参数对象
IStretchFunctionArguments stretchFunctionArguments = (IStretchFunctionArguments) new StretchFunctionArguments();
//设置要处理的栅格
stretchFunctionArguments.Raster = m_raster;
//设置拉伸类型
stretchFunctionArguments.StretchType = (esriRasterStretchType)StretchType;
if (cmb_StretchType.SelectedItem.ToString() == "StandardDeviation")//如果是按标准差拉伸，需要设置参数N
{
//设置参数N
stretchFunctionArguments.NumberOfStandardDeviations = NumberOfStandardDeviations;
}
else if (cmb_StretchType.SelectedItem.ToString() == "PercentMinimumMaximum")//如果是按最大最小百分比拉伸，需要设置最大最小百分比
{
//设置最大最小百分比
stretchFunctionArguments.MinPercent = MinPercent;
stretchFunctionArguments.MaxPercent = MaxPercent;
}
//创建栅格函数
IRasterFunction rasterFunction = new StretchFunction();
//创建栅格函数数据集对象
IFunctionRasterDataset functionRasterDataset = new FunctionRasterDataset();
//设置栅格函数数据集名称对象，设置其临时文件存储地点
IFunctionRasterDatasetName functionRasterDatasetName = (IFunctionRasterDatasetName) new FunctionRasterDatasetNameClass();
functionRasterDatasetName.FullName = @"D:\RDB";
functionRasterDataset.FullName = (IName)functionRasterDatasetName;
//执行栅格函数
functionRasterDataset.Init(rasterFunction, stretchFunctionArguments);
//将执行结果存入成员变量中
IRasterDataset2 rstDatasetr2 = (IRasterDataset2)functionRasterDataset;
m_raster = rstDatasetr2.CreateFullRaster();
}
catch (System.Exception ex)//异常处理，输出错误信息
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
static void Main(string[] args)
{
ESRI.ArcGIS.esriSystem.AoInitialize aoInit;
#region Initialize License
try
{
Console.WriteLine("Obtaining license");
ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.Desktop);
aoInit = new AoInitializeClass();
esriLicenseStatus licStatus = aoInit.Initialize(esriLicenseProductCode.esriLicenseProductCodeBasic);
Console.WriteLine("Ready with license.");
}
catch (Exception exc)
{
// If it fails at this point, shutdown the test and ignore any subsequent errors.
Console.WriteLine(exc.Message);
return;
}
#endregion
try
{
#region Specify input directory and dataset name
// The directory which contains the Panchromatic Image.
string panDir = @"C:\Data\QB\Pan";
// The directory which contains the Multispectral Image.
string rgbDir = @"C:\Data\QB\MS";
string panImageName = "05JAN27104436-P1BS-005533787010_01_P002.TIF";
string rgbImageName = "05JAN27104436-M1BS-005533787010_01_P002.TIF";
// Output filename.
string outputDataset = @"c:\Temp\QBTemplateCS.afr";
#endregion
#region Initialize
// Setup Workspaces.
Type factoryType = Type.GetTypeFromProgID("esriDataSourcesRaster.RasterWorkspaceFactory");
IWorkspaceFactory workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
IRasterWorkspace panRasterWorkspace = (IRasterWorkspace)workspaceFactory.OpenFromFile(panDir, 0);
IRasterWorkspace rgbRasterWorkspace = (IRasterWorkspace)workspaceFactory.OpenFromFile(rgbDir, 0);
// Open Datasets
IRasterDataset panDataset = panRasterWorkspace.OpenRasterDataset(panImageName);
IRasterDataset rgbDataset = rgbRasterWorkspace.OpenRasterDataset(rgbImageName);
#endregion
#region Create Variables
// Create one variable of type IRasterFunctionVariable for each
// Raster Dataset opened above
// Create a new Raster Function Variable
IRasterFunctionVariable panVar = new RasterFunctionVariableClass();
// Set the name of the variable
panVar.Name = "panImage";
// Describe the variable
panVar.Description = "Panchromatic Image to be used for pansharpening";
// Specify whether it represents a dataset
panVar.IsDataset = true;
// Create a new Raster Function Variable
IRasterFunctionVariable rgbVar = new RasterFunctionVariableClass();
// Set the name of the variable
rgbVar.Name = "rgbImage";
// Describe the variable
rgbVar.Description = "Multispectral Image to be used for pansharpening";
// Specify whether it represents a dataset
rgbVar.IsDataset = true;
#endregion
#region Prepare the Pan Image
// Setup statistics for each band
IArray statsArrayPan = new ArrayClass();
IRasterStatistics statsPanBand = new RasterStatisticsClass();
statsPanBand.Minimum = 1;
statsPanBand.Maximum = 2047;
statsArrayPan.Add(statsPanBand);
// Create the arguments object for the stretching function
IStretchFunctionArguments stretchingPanFunctionArguements = new StretchFunctionArgumentsClass();
// Set the stretching type
stretchingPanFunctionArguements.StretchType =
esriRasterStretchType.esriRasterStretchMinimumMaximum;
// Set the statistics created above
stretchingPanFunctionArguements.Statistics = statsArrayPan;
// Set the input raster, in this case, the variable for the Pan Image
stretchingPanFunctionArguements.Raster = panVar;
// Create the function object to stretch the Pan Image.
IRasterFunction stretchingPanFunction = new StretchFunction();
// Create a Raster Function Template object for the stretch function
IRasterFunctionTemplate stretchingPanFunctionT = new RasterFunctionTemplateClass();
// Set the function on the template
stretchingPanFunctionT.Function = (IRasterFunction)stretchingPanFunction;
// Set the arguments for the function
stretchingPanFunctionT.Arguments = stretchingPanFunctionArguements;
#endregion
#region Prepare the Multispectral (RGB) Image
// Create an array which defines the order of bands
ILongArray bandIDs = new LongArrayClass();
bandIDs.Add(2);
bandIDs.Add(1);
bandIDs.Add(0);
// Create an Extract Band Function Arguments object
IExtractBandFunctionArguments extractRgbBandFunctionArgs = (IExtractBandFunctionArguments)
new ExtractBandFunctionArguments();
// Set the order of bands of the output
extractRgbBandFunctionArgs.BandIDs = bandIDs;
// Set the input raster, in this case the variable for the Multispectral Image
extractRgbBandFunctionArgs.Raster = rgbVar;
// Create the Extract Band Function object
IRasterFunction extractRgbBandFunction = new ExtractBandFunction();
// Create a Raster Function Template object for the function created above
IRasterFunctionTemplate extractRgbBandFunctionT = new RasterFunctionTemplateClass();
// Set the function on the template
extractRgbBandFunctionT.Function = (IRasterFunction)extractRgbBandFunction;
// Set the arguments for the function
extractRgbBandFunctionT.Arguments = extractRgbBandFunctionArgs;
// Setup statistics for each band
IArray statsArray = new ArrayClass();
IRasterStatistics statsMulBand1 = new RasterStatisticsClass();
statsMulBand1.Minimum = 100;
statsMulBand1.Maximum = 1721;
statsArray.Add(statsMulBand1);
IRasterStatistics statsMulBand2 = new RasterStatisticsClass();
statsMulBand2.Minimum = 95;
statsMulBand2.Maximum = 2047;
statsArray.Add(statsMulBand2);
IRasterStatistics statsMulBand3 = new RasterStatisticsClass();
statsMulBand3.Minimum = 34;
statsMulBand3.Maximum = 2006;
statsArray.Add(statsMulBand3);
// Create a stretching function for the multispectral image
IRasterFunction stretchingRGBFunction = new StretchFunction();
// Create an arguments object for the stretch function
IStretchFunctionArguments stretchingRGBFunctionArguments =
new StretchFunctionArgumentsClass();
// Set the type of stretchings to perform
stretchingRGBFunctionArguments.StretchType =
esriRasterStretchType.esriRasterStretchMinimumMaximum;
// Set the statistics created above
stretchingRGBFunctionArguments.Statistics = statsArray;
// Set the extract band function template created above as the input
stretchingRGBFunctionArguments.Raster = extractRgbBandFunctionT;
// Create a Raster Function Template object for the function created above
IRasterFunctionTemplate stretchingRGBFunctionT = new RasterFunctionTemplateClass();
// Set the function on the template
stretchingRGBFunctionT.Function = (IRasterFunction)stretchingRGBFunction;
// Set the arguments for the function
stretchingRGBFunctionT.Arguments = stretchingRGBFunctionArguments;
#endregion
#region Pansharpen the Pan Image with the Multispectral
// Create a Raster Function Arguments object for the pansharpen function
IPansharpeningFunctionArguments pansharpFunctionArguements =
new PansharpeningFunctionArgumentsClass();
// Set the Panchromatic image which has been prepared above
pansharpFunctionArguements.PanImage = stretchingPanFunctionT;
// Set the Multispectral image which has been prepared above
pansharpFunctionArguements.MSImage = stretchingRGBFunctionT;
// Create a new pansharpen raster function object
IRasterFunction pansharpenFunction = new PansharpeningFunction();
// Create a new pansharpen function arguments object
IPansharpeningFunctionArguments pansharpenFunctionArguements =
new PansharpeningFunctionArgumentsClass();
// Set the pansharpening type
pansharpenFunctionArguements.PansharpeningType =
esriPansharpeningType.esriPansharpeningESRI;
// Create an array of doubles that sets the weights for each band
IDoubleArray weightsArray = new DoubleArrayClass();
weightsArray.Add(0.167);
weightsArray.Add(0.166);
weightsArray.Add(0.166);
// and set it on the arguments object
pansharpenFunctionArguements.Weights = weightsArray;
// Create a Raster Function Template object for the pansharpen function
IRasterFunctionTemplate rasterFunction = new RasterFunctionTemplateClass();
rasterFunction.Function = (IRasterFunction)pansharpenFunction;
rasterFunction.Arguments = pansharpFunctionArguements;
((IRasterFunction)rasterFunction).PixelType = rstPixelType.PT_UCHAR;
#endregion
#region Resolve variables
// Create a PropertySet object to set the values for the
// Raster Function Variables created above
IPropertySet variables = new PropertySet();
variables.SetProperty("panImage", panDataset);
variables.SetProperty("rgbImage", rgbDataset);
#endregion
#region Create the Function Raster Dataset
// Create the Function Raster Dataset Object for the Pansharpened Dataset
IFunctionRasterDataset functionRasterDataset = new FunctionRasterDataset();
// Create a name object for the Function Raster Dataset.
IFunctionRasterDatasetName functionRasterDatasetName =
new FunctionRasterDatasetNameClass();
// Specify the output filename for the new dataset (including
// the .afr extension at the end).
functionRasterDatasetName.FullName = outputDataset;
functionRasterDataset.FullName = (IName)functionRasterDatasetName;
// Initialize the new Function Raster Dataset with the Raster Function
// Template and the property set containing the variables and their values.
functionRasterDataset.Init((IRasterFunction)rasterFunction, variables);
ITemporaryDataset myTempDset = (ITemporaryDataset)functionRasterDataset;
myTempDset.MakePermanent();
#endregion
#region Shutdown
Console.WriteLine("Success.");
Console.WriteLine("Press any key...");
Console.ReadKey();
// Shutdown License
aoInit.Shutdown();
#endregion
}
catch (Exception exc)
{
#region Shutdown
Console.WriteLine("Exception Caught while creating Function Raster Dataset. " + exc.Message);
Console.WriteLine("Failed.");
Console.WriteLine("Press any key...");
Console.ReadKey();
// Shutdown License
aoInit.Shutdown();
#endregion
}
}
static void Main(string[] args)
{
ESRI.ArcGIS.esriSystem.AoInitialize aoInit;
#region Initialize License
try
{
Console.WriteLine("Obtaining license");
ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.Desktop);
aoInit = new AoInitializeClass();
esriLicenseStatus licStatus = aoInit.Initialize(esriLicenseProductCode.esriLicenseProductCodeBasic);
Console.WriteLine("Ready with license.");
}
catch (Exception exc)
{
// If it fails at this point, shutdown the test and ignore any subsequent errors.
Console.WriteLine(exc.Message);
return;
}
#endregion
try
{
#region Specify input directory and dataset name
// The directory which contains the Panchromatic Image.
string panDir = @"C:\Data\QB\Pan";
// The directory which contains the Multispectral Image.
string rgbDir = @"C:\Data\QB\MS";
string panImageName = "05JAN27104436-P1BS-005533787010_01_P002.TIF";
string rgbImageName = "05JAN27104436-M1BS-005533787010_01_P002.TIF";
// Output filename.
string outputDataset = @"c:\Temp\QBTemplateCS.afr";
#endregion
#region Initialize
// Setup Workspaces.
Type factoryType = Type.GetTypeFromProgID("esriDataSourcesRaster.RasterWorkspaceFactory");
IWorkspaceFactory workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
IRasterWorkspace panRasterWorkspace = (IRasterWorkspace)workspaceFactory.OpenFromFile(panDir, 0);
IRasterWorkspace rgbRasterWorkspace = (IRasterWorkspace)workspaceFactory.OpenFromFile(rgbDir, 0);
// Open Datasets
IRasterDataset panDataset = panRasterWorkspace.OpenRasterDataset(panImageName);
IRasterDataset rgbDataset = rgbRasterWorkspace.OpenRasterDataset(rgbImageName);
#endregion
#region Create Variables
// Create one variable of type IRasterFunctionVariable for each
// Raster Dataset opened above
// Create a new Raster Function Variable
IRasterFunctionVariable panVar = new RasterFunctionVariableClass();
// Set the name of the variable
panVar.Name = "panImage";
// Describe the variable
panVar.Description = "Panchromatic Image to be used for pansharpening";
// Specify whether it represents a dataset
panVar.IsDataset = true;
// Create a new Raster Function Variable
IRasterFunctionVariable rgbVar = new RasterFunctionVariableClass();
// Set the name of the variable
rgbVar.Name = "rgbImage";
// Describe the variable
rgbVar.Description = "Multispectral Image to be used for pansharpening";
// Specify whether it represents a dataset
rgbVar.IsDataset = true;
#endregion
#region Prepare the Pan Image
// Setup statistics for each band
IArray statsArrayPan = new ArrayClass();
IRasterStatistics statsPanBand = new RasterStatisticsClass();
statsPanBand.Minimum = 1;
statsPanBand.Maximum = 2047;
statsArrayPan.Add(statsPanBand);
// Create the arguments object for the stretching function
IStretchFunctionArguments stretchingPanFunctionArguements = new StretchFunctionArgumentsClass();
// Set the stretching type
stretchingPanFunctionArguements.StretchType =
esriRasterStretchType.esriRasterStretchMinimumMaximum;
// Set the statistics created above
stretchingPanFunctionArguements.Statistics = statsArrayPan;
// Set the input raster, in this case, the variable for the Pan Image
stretchingPanFunctionArguements.Raster = panVar;
// Create the function object to stretch the Pan Image.
IRasterFunction stretchingPanFunction = new StretchFunction();
// Create a Raster Function Template object for the stretch function
IRasterFunctionTemplate stretchingPanFunctionT = new RasterFunctionTemplateClass();
// Set the function on the template
stretchingPanFunctionT.Function = (IRasterFunction)stretchingPanFunction;
// Set the arguments for the function
stretchingPanFunctionT.Arguments = stretchingPanFunctionArguements;
#endregion
#region Prepare the Multispectral (RGB) Image
// Create an array which defines the order of bands
ILongArray bandIDs = new LongArrayClass();
bandIDs.Add(2);
bandIDs.Add(1);
bandIDs.Add(0);
// Create an Extract Band Function Arguments object
IExtractBandFunctionArguments extractRgbBandFunctionArgs = (IExtractBandFunctionArguments)
new ExtractBandFunctionArguments();
// Set the order of bands of the output
extractRgbBandFunctionArgs.BandIDs = bandIDs;
// Set the input raster, in this case the variable for the Multispectral Image
extractRgbBandFunctionArgs.Raster = rgbVar;
// Create the Extract Band Function object
IRasterFunction extractRgbBandFunction = new ExtractBandFunction();
// Create a Raster Function Template object for the function created above
IRasterFunctionTemplate extractRgbBandFunctionT = new RasterFunctionTemplateClass();
// Set the function on the template
extractRgbBandFunctionT.Function = (IRasterFunction)extractRgbBandFunction;
// Set the arguments for the function
extractRgbBandFunctionT.Arguments = extractRgbBandFunctionArgs;
// Setup statistics for each band
IArray statsArray = new ArrayClass();
IRasterStatistics statsMulBand1 = new RasterStatisticsClass();
statsMulBand1.Minimum = 100;
statsMulBand1.Maximum = 1721;
statsArray.Add(statsMulBand1);
IRasterStatistics statsMulBand2 = new RasterStatisticsClass();
statsMulBand2.Minimum = 95;
statsMulBand2.Maximum = 2047;
statsArray.Add(statsMulBand2);
IRasterStatistics statsMulBand3 = new RasterStatisticsClass();
statsMulBand3.Minimum = 34;
statsMulBand3.Maximum = 2006;
statsArray.Add(statsMulBand3);
// Create a stretching function for the multispectral image
IRasterFunction stretchingRGBFunction = new StretchFunction();
// Create an arguments object for the stretch function
IStretchFunctionArguments stretchingRGBFunctionArguments =
new StretchFunctionArgumentsClass();
// Set the type of stretchings to perform
stretchingRGBFunctionArguments.StretchType =
esriRasterStretchType.esriRasterStretchMinimumMaximum;
// Set the statistics created above
stretchingRGBFunctionArguments.Statistics = statsArray;
// Set the extract band function template created above as the input
stretchingRGBFunctionArguments.Raster = extractRgbBandFunctionT;
// Create a Raster Function Template object for the function created above
IRasterFunctionTemplate stretchingRGBFunctionT = new RasterFunctionTemplateClass();
// Set the function on the template
stretchingRGBFunctionT.Function = (IRasterFunction)stretchingRGBFunction;
// Set the arguments for the function
stretchingRGBFunctionT.Arguments = stretchingRGBFunctionArguments;
#endregion
#region Pansharpen the Pan Image with the Multispectral
// Create a Raster Function Arguments object for the pansharpen function
IPansharpeningFunctionArguments pansharpFunctionArguements =
new PansharpeningFunctionArgumentsClass();
// Set the Panchromatic image which has been prepared above
pansharpFunctionArguements.PanImage = stretchingPanFunctionT;
// Set the Multispectral image which has been prepared above
pansharpFunctionArguements.MSImage = stretchingRGBFunctionT;
// Create a new pansharpen raster function object
IRasterFunction pansharpenFunction = new PansharpeningFunction();
// Create a new pansharpen function arguments object
IPansharpeningFunctionArguments pansharpenFunctionArguements =
new PansharpeningFunctionArgumentsClass();
// Set the pansharpening type
pansharpenFunctionArguements.PansharpeningType =
esriPansharpeningType.esriPansharpeningESRI;
// Create an array of doubles that sets the weights for each band
IDoubleArray weightsArray = new DoubleArrayClass();
weightsArray.Add(0.167);
weightsArray.Add(0.166);
weightsArray.Add(0.166);
// and set it on the arguments object
pansharpenFunctionArguements.Weights = weightsArray;
// Create a Raster Function Template object for the pansharpen function
IRasterFunctionTemplate rasterFunction = new RasterFunctionTemplateClass();
rasterFunction.Function = (IRasterFunction)pansharpenFunction;
rasterFunction.Arguments = pansharpFunctionArguements;
((IRasterFunction)rasterFunction).PixelType = rstPixelType.PT_UCHAR;
#endregion
#region Resolve variables
// Create a PropertySet object to set the values for the
// Raster Function Variables created above
IPropertySet variables = new PropertySet();
variables.SetProperty("panImage", panDataset);
variables.SetProperty("rgbImage", rgbDataset);
#endregion
#region Create the Function Raster Dataset
// Create the Function Raster Dataset Object for the Pansharpened Dataset
IFunctionRasterDataset functionRasterDataset = new FunctionRasterDataset();
// Create a name object for the Function Raster Dataset.
IFunctionRasterDatasetName functionRasterDatasetName =
new FunctionRasterDatasetNameClass();
// Specify the output filename for the new dataset (including
// the .afr extension at the end).
functionRasterDatasetName.FullName = outputDataset;
functionRasterDataset.FullName = (IName)functionRasterDatasetName;
// Initialize the new Function Raster Dataset with the Raster Function
// Template and the property set containing the variables and their values.
functionRasterDataset.Init((IRasterFunction)rasterFunction, variables);
ITemporaryDataset myTempDset = (ITemporaryDataset)functionRasterDataset;
myTempDset.MakePermanent();
#endregion
#region Shutdown
Console.WriteLine("Success.");
Console.WriteLine("Press any key...");
Console.ReadKey();
// Shutdown License
aoInit.Shutdown();
#endregion
}
catch (Exception exc)
{
#region Shutdown
Console.WriteLine("Exception Caught while creating Function Raster Dataset. " + exc.Message);
Console.WriteLine("Failed.");
Console.WriteLine("Press any key...");
Console.ReadKey();
// Shutdown License
aoInit.Shutdown();
#endregion
}
}
public IFunctionRasterDataset reScaleRasterFunction(object inRaster,rstPixelType pType,esriRasterStretchType stretchType)
{
IFunctionRasterDataset iR1 = createIdentityRaster(inRaster);
calcStatsAndHist(iR1);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new StretchFunction();
rsFunc.PixelType = pType;
//IRasterProps rsProps = (IRasterProps)iR1;
//rsFunc.RasterInfo.Extent = rsProps.Extent;
//rsFunc.RasterInfo.CellSize = getCellSize(iR1);
IStretchFunctionArguments args = new StretchFunctionArgumentsClass();
args.Raster = iR1;
args.StretchType = stretchType;
frDset.Init(rsFunc, args);
//frDset.Simplify();
return frDset;
}