public IMosaicDataset OpenMosaicDataset(ref IWorkspace fgdbWorkspace, string mosaicDatasetName)
{
IMosaicWorkspaceExtensionHelper mosaicExtHelper = new MosaicWorkspaceExtensionHelperClass();
IMosaicWorkspaceExtension mosaicExt = mosaicExtHelper.FindExtension(fgdbWorkspace);
Console.WriteLine("Opening Mosaic Dataset");
IMosaicDataset theMosaicDataset = mosaicExt.OpenMosaicDataset(mosaicDatasetName);
return(theMosaicDataset);
}
public IMosaicDataset CreateMosaicDataset(ref IWorkspace fgdbWorkspace, string mosaicDatasetName,
ISpatialReference mosaicSrs, int mosaicDatasetBands, rstPixelType mosaicDatasetBits, string configKeyword)
{
IMosaicDataset theMosaicDataset = null;
try
{
Console.WriteLine("Create Mosaic Dataset: " + mosaicDatasetName);
if (mosaicSrs == null)
{
ISpatialReferenceFactory spatialrefFactory = new SpatialReferenceEnvironmentClass();
//ISpatialReference mosaicSrs = spatialrefFactory.CreateProjectedCoordinateSystem(
// (int)(esriSRProjCSType.esriSRProjCS_World_Mercator));
mosaicSrs = spatialrefFactory.CreateGeographicCoordinateSystem(
(int)(esriSRGeoCSType.esriSRGeoCS_WGS1984));
}
// 创建镶嵌数据集创建参数对象
ICreateMosaicDatasetParameters creationPars = new CreateMosaicDatasetParametersClass();
// 设置镶嵌数据集band数量.
// 0 为默认设置
if (mosaicDatasetBands != 0)
{
creationPars.BandCount = mosaicDatasetBands;
}
// 设置象元类型.
// 默认为 unknown
if (mosaicDatasetBits != rstPixelType.PT_UNKNOWN)
{
creationPars.PixelType = mosaicDatasetBits;
}
//创建栅格数据库扩展帮助类
IMosaicWorkspaceExtensionHelper mosaicExtHelper = new MosaicWorkspaceExtensionHelperClass();
// 查找扩展
IMosaicWorkspaceExtension mosaicExt = mosaicExtHelper.FindExtension(fgdbWorkspace);
// 使用扩展创建新的镶嵌数据集, 需要提供空间参考和创建参数。
theMosaicDataset = mosaicExt.CreateMosaicDataset(mosaicDatasetName,
mosaicSrs, creationPars, configKeyword);
}
catch (Exception exc)
{
Console.WriteLine("Exception Caught while creating Mosaic Dataset: " + exc.Message);
Console.WriteLine("Shutting down.");
Console.WriteLine("Press any key...");
Console.ReadKey();
}
return(theMosaicDataset);
}
public IMosaicDataset OpenMosaicDataset(IWorkspace pWorks, string pMosaicDatasetName)
{
IMosaicDataset pMosicDataset = null;
IMosaicWorkspaceExtensionHelper pMosaicWsExHelper = new MosaicWorkspaceExtensionHelperClass();
IMosaicWorkspaceExtension pMosaicWsExt = pMosaicWsExHelper.FindExtension(pWorks);
if (pMosaicWsExt != null)
{
try
{
pMosicDataset = pMosaicWsExt.OpenMosaicDataset(pMosaicDatasetName);
}
catch (Exception ex)
{
return(pMosicDataset);
}
}
return(pMosicDataset);
}
/// <summary>
/// Create a Mosaic Dataset in the geodatabase provided using the parameters defined by MDParamaters.
/// </summary>
/// <param name="gdbWorkspace">Geodatabase to create the Mosaic dataser in.</param>
public void CreateMosaicDataset(IWorkspace gdbWorkspace)
{
try
{
#region Global Declarations
IMosaicDataset theMosaicDataset = null;
IMosaicDatasetOperation theMosaicDatasetOperation = null;
IMosaicWorkspaceExtensionHelper mosaicExtHelper = null;
IMosaicWorkspaceExtension mosaicExt = null;
#endregion
#region CreateMosaicDataset
try
{
Console.WriteLine("Create Mosaic Dataset: " + MDParameters.mosaicDatasetName + ".amd");
/// Setup workspaces.
/// Create Srs
ISpatialReferenceFactory spatialrefFactory = new SpatialReferenceEnvironmentClass();
// Create the mosaic dataset creation parameters object.
ICreateMosaicDatasetParameters creationPars = new CreateMosaicDatasetParametersClass();
// Set the number of bands for the mosaic dataset.
// If defined as zero leave defaults
if (MDParameters.mosaicDatasetBands != 0)
{
creationPars.BandCount = MDParameters.mosaicDatasetBands;
}
// Set the pixel type of the mosaic dataset.
// If defined as unknown leave defaults
if (MDParameters.mosaicDatasetBits != rstPixelType.PT_UNKNOWN)
{
creationPars.PixelType = MDParameters.mosaicDatasetBits;
}
// Create the mosaic workspace extension helper class.
mosaicExtHelper = new MosaicWorkspaceExtensionHelperClass();
// Find the right extension from the workspace.
mosaicExt = mosaicExtHelper.FindExtension(gdbWorkspace);
// Default is none.
if (MDParameters.productDefinitionKey.ToLower() != "none")
{
// Set the product definition keyword and properties.
// (The property is called band definition keyword and band properties in the object).
((ICreateMosaicDatasetParameters2)creationPars).BandDefinitionKeyword = MDParameters.productDefinitionKey;
MDParameters.productDefinitionProps = SetBandProperties(MDParameters.productDefinitionKey);
if (MDParameters.productDefinitionProps.Count == 0)
{
Console.WriteLine("Setting production definition properties failed.");
return;
}
((ICreateMosaicDatasetParameters2)creationPars).BandProperties = MDParameters.productDefinitionProps;
}
// Use the extension to create a new mosaic dataset, supplying the
// spatial reference and the creation parameters object created above.
theMosaicDataset = mosaicExt.CreateMosaicDataset(MDParameters.mosaicDatasetName,
MDParameters.mosaicDatasetSrs, creationPars, MDParameters.configKeyword);
}
catch (Exception exc)
{
Console.WriteLine("Exception Caught while creating Mosaic Dataset: " + exc.Message);
return;
}
#endregion
#region OpenMosaicDataset
Console.WriteLine("Opening Mosaic Dataset");
theMosaicDataset = null;
// Use the extension to open the mosaic dataset.
theMosaicDataset = mosaicExt.OpenMosaicDataset(MDParameters.mosaicDatasetName);
// The mosaic dataset operation interface is used to perform operations on
// a mosaic dataset.
theMosaicDatasetOperation = (IMosaicDatasetOperation)(theMosaicDataset);
#endregion
#region Preparing Raster Type
Console.WriteLine("Preparing Raster Type");
// Create a Raster Type Name object.
IRasterTypeName theRasterTypeName = new RasterTypeNameClass();
// Assign the name of the Raster Type to the name object.
// The Name field accepts a path to an .art file as well
// the name for a built in Raster Type.
theRasterTypeName.Name = MDParameters.rasterTypeName;
// Use the Open function from the IName interface to get the Raster Type object.
IRasterType theRasterType = (IRasterType)(((IName)theRasterTypeName).Open());
if (theRasterType == null)
{
Console.WriteLine("Raster Type not found " + MDParameters.rasterTypeName);
}
// Set the URI Filter on the loaded raster type.
if (MDParameters.rasterTypeProductFilter != "")
{
// Get the supported URI filters from the raster type object using the
// raster type properties interface.
IArray mySuppFilters = ((IRasterTypeProperties)theRasterType).SupportedURIFilters;
IItemURIFilter productFilter = null;
for (int i = 0; i < mySuppFilters.Count; ++i)
{
// Set the desired filter from the supported filters.
productFilter = (IItemURIFilter)mySuppFilters.get_Element(i);
if (productFilter.Name == MDParameters.rasterTypeProductFilter)
{
theRasterType.URIFilter = productFilter;
}
}
}
// Enable the correct templates in the raster type.
string[] rasterProductNames = MDParameters.rasterTypeProductName.Split(';');
bool enableTemplate = false;
if (rasterProductNames.Length >= 1 && (rasterProductNames[0] != ""))
{
// Get the supported item templates from the raster type.
IItemTemplateArray templateArray = theRasterType.ItemTemplates;
for (int i = 0; i < templateArray.Count; ++i)
{
// Go through the supported item templates and enable the ones needed.
IItemTemplate template = templateArray.get_Element(i);
enableTemplate = false;
for (int j = 0; j < rasterProductNames.Length; ++j)
{
if (template.Name == rasterProductNames[j])
{
enableTemplate = true;
}
}
if (enableTemplate)
{
template.Enabled = true;
}
else
{
template.Enabled = false;
}
}
}
if (MDParameters.dataSourceSrs != null)
{
((IRasterTypeProperties)theRasterType).SynchronizeParameters.DefaultSpatialReference =
MDParameters.dataSourceSrs;
}
#endregion
#region Add DEM To Raster Type
if (MDParameters.rasterTypeAddDEM && ((IRasterTypeProperties)theRasterType).SupportsOrthorectification)
{
// Open the Raster Dataset
Type factoryType = Type.GetTypeFromProgID("esriDataSourcesRaster.RasterWorkspaceFactory");
IWorkspaceFactory workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
IRasterWorkspace rasterWorkspace = (IRasterWorkspace)workspaceFactory.OpenFromFile(
System.IO.Path.GetDirectoryName(MDParameters.rasterTypeDemPath), 0);;
IRasterDataset myRasterDataset = rasterWorkspace.OpenRasterDataset(
System.IO.Path.GetFileName(MDParameters.rasterTypeDemPath));
IGeometricFunctionArguments geometricFunctionArguments =
new GeometricFunctionArgumentsClass();
geometricFunctionArguments.DEM = myRasterDataset;
((IRasterTypeProperties)theRasterType).OrthorectificationParameters =
geometricFunctionArguments;
}
#endregion
#region Preparing Data Source Crawler
Console.WriteLine("Preparing Data Source Crawler");
// Create a new property set to specify crawler properties.
IPropertySet crawlerProps = new PropertySetClass();
// Specify a file filter
crawlerProps.SetProperty("Filter", MDParameters.dataSourceFilter);
// Specify whether to search subdirectories.
crawlerProps.SetProperty("Recurse", true);
// Specify the source path.
crawlerProps.SetProperty("Source", MDParameters.dataSource);
// Get the recommended crawler from the raster type based on the specified
// properties using the IRasterBuilder interface.
IDataSourceCrawler theCrawler = ((IRasterBuilder)theRasterType).GetRecommendedCrawler(crawlerProps);
#endregion
#region Add Rasters
Console.WriteLine("Adding Rasters");
// Create a AddRaster parameters object.
IAddRastersParameters AddRastersArgs = new AddRastersParametersClass();
// Specify the data crawler to be used to crawl the data.
AddRastersArgs.Crawler = theCrawler;
// Specify the raster type to be used to add the data.
AddRastersArgs.RasterType = theRasterType;
// Use the mosaic dataset operation interface to add
// rasters to the mosaic dataset.
theMosaicDatasetOperation.AddRasters(AddRastersArgs, null);
#endregion
#region Compute Pixel Size Ranges
Console.WriteLine("Computing Pixel Size Ranges");
// Create a calculate cellsize ranges parameters object.
ICalculateCellSizeRangesParameters computeArgs = new CalculateCellSizeRangesParametersClass();
// Use the mosaic dataset operation interface to calculate cellsize ranges.
theMosaicDatasetOperation.CalculateCellSizeRanges(computeArgs, null);
#endregion
#region Building Boundary
Console.WriteLine("Building Boundary");
// Create a build boundary parameters object.
IBuildBoundaryParameters boundaryArgs = new BuildBoundaryParametersClass();
// Set flags that control boundary generation.
boundaryArgs.AppendToExistingBoundary = true;
// Use the mosaic dataset operation interface to build boundary.
theMosaicDatasetOperation.BuildBoundary(boundaryArgs, null);
#endregion
if (MDParameters.buildOverviews)
{
#region Defining Overviews
Console.WriteLine("Defining Overviews");
// Create a define overview parameters object.
IDefineOverviewsParameters defineOvArgs = new DefineOverviewsParametersClass();
// Use the overview tile parameters interface to specify the overview factor
// used to generate overviews.
((IOverviewTileParameters)defineOvArgs).OverviewFactor = 3;
// Use the mosaic dataset operation interface to define overviews.
theMosaicDatasetOperation.DefineOverviews(defineOvArgs, null);
#endregion
#region Compute Pixel Size Ranges
Console.WriteLine("Computing Pixel Size Ranges");
// Calculate cell size ranges to update the Min/Max pixel sizes.
theMosaicDatasetOperation.CalculateCellSizeRanges(computeArgs, null);
#endregion
#region Generating Overviews
Console.WriteLine("Generating Overviews");
// Create a generate overviews parameters object.
IGenerateOverviewsParameters genPars = new GenerateOverviewsParametersClass();
// Set properties to control overview generation.
IQueryFilter genQuery = new QueryFilterClass();
((ISelectionParameters)genPars).QueryFilter = genQuery;
genPars.GenerateMissingImages = true;
genPars.GenerateStaleImages = true;
// Use the mosaic dataset operation interface to generate overviews.
theMosaicDatasetOperation.GenerateOverviews(genPars, null);
#endregion
}
#region Report
Console.WriteLine("Success.");
#endregion
}
catch (Exception exc)
{
#region Report
Console.WriteLine("Exception Caught in CreateMD: " + exc.Message);
Console.WriteLine("Shutting down.");
#endregion
}
}
public IMosaicDataset OpenMosaicDataset(IWorkspace pWorks, string pMosaicDatasetName)
{
IMosaicDataset pMosicDataset = null;
IMosaicWorkspaceExtensionHelper pMosaicWsExHelper = new MosaicWorkspaceExtensionHelperClass();
IMosaicWorkspaceExtension pMosaicWsExt = pMosaicWsExHelper.FindExtension(pWorks);
if (pMosaicWsExt != null)
{
try
{
pMosicDataset = pMosaicWsExt.OpenMosaicDataset(pMosaicDatasetName);
}
catch (Exception ex)
{
return pMosicDataset;
}
}
return pMosicDataset;
}
public static void TestThumbnailBuilder(string rasterTypeName, string rasterTypeProductFilter,
string rasterTypeProductName, string dataSource, string dataSourceFilter, string fgdbParentFolder,
bool saveToArt, string customTypeFilePath, bool clearGdbDirectory)
{
try
{
string[] rasterProductNames = rasterTypeProductName.Split(';');
string nameString = rasterTypeName.Replace(" ", "") + rasterTypeProductFilter.Replace(" ", "") +
rasterProductNames[0].Replace(" ", "");
#region Directory Declarations
string fgdbName = nameString + ".gdb";
string fgdbDir = fgdbParentFolder + "\\" + fgdbName;
string MosaicDatasetName = nameString + "MD";
#endregion
#region Global Declarations
IMosaicDataset theMosaicDataset = null;
IMosaicDatasetOperation theMosaicDatasetOperation = null;
IMosaicWorkspaceExtensionHelper mosaicExtHelper = null;
IMosaicWorkspaceExtension mosaicExt = null;
#endregion
#region Create File GDB
Console.WriteLine("Creating File GDB: " + fgdbName);
if (clearGdbDirectory)
{
try
{
Console.WriteLine("Emptying Gdb folder.");
System.IO.Directory.Delete(fgdbParentFolder, true);
System.IO.Directory.CreateDirectory(fgdbParentFolder);
}
catch (System.IO.IOException EX)
{
Console.WriteLine(EX.Message);
return;
}
}
// Create a File Gdb
Type factoryType = Type.GetTypeFromProgID("esriDataSourcesGDB.FileGDBWorkspaceFactory");
IWorkspaceFactory FgdbFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
FgdbFactory.Create(fgdbParentFolder,
fgdbName, null, 0);
#endregion
#region Create Mosaic Dataset
try
{
Console.WriteLine("Create Mosaic Dataset: " + MosaicDatasetName);
// Setup workspaces.
IWorkspaceFactory workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
IWorkspace fgdbWorkspace = workspaceFactory.OpenFromFile(fgdbDir, 0);
// Create Srs
ISpatialReferenceFactory spatialrefFactory = new SpatialReferenceEnvironmentClass();
ISpatialReference mosaicSrs = spatialrefFactory.CreateProjectedCoordinateSystem(
(int)(esriSRProjCSType.esriSRProjCS_World_Mercator));
// Create the mosaic dataset creation parameters object.
ICreateMosaicDatasetParameters creationPars = new CreateMosaicDatasetParametersClass();
// Create the mosaic workspace extension helper class.
mosaicExtHelper = new MosaicWorkspaceExtensionHelperClass();
// Find the right extension from the workspace.
mosaicExt = mosaicExtHelper.FindExtension(fgdbWorkspace);
// Use the extension to create a new mosaic dataset, supplying the
// spatial reference and the creation parameters object created above.
theMosaicDataset = mosaicExt.CreateMosaicDataset(MosaicDatasetName,
mosaicSrs, creationPars, "");
theMosaicDatasetOperation = (IMosaicDatasetOperation)(theMosaicDataset);
}
catch (Exception exc)
{
Console.WriteLine("Error: Failed to create Mosaic Dataset : {0}.",
MosaicDatasetName + " " + exc.Message);
return;
}
#endregion
#region Create Custom Raster Type
Console.WriteLine("Preparing Raster Type");
// Create a Raster Type Name object.
IRasterTypeName theRasterTypeName = new RasterTypeNameClass();
// Assign the name of the Raster Type to the name object.
// The Name field accepts a path to an .art file as well
// the name for a built in Raster Type.
theRasterTypeName.Name = rasterTypeName;
// Use the Open function from the IName interface to get the Raster Type object.
IRasterType theRasterType = (IRasterType)(((IName)theRasterTypeName).Open());
if (theRasterType == null)
{
Console.WriteLine("Error:Raster Type not found " + rasterTypeName);
return;
}
#endregion
#region Prepare Raster Type
// Set the URI Filter on the loaded raster type.
if (rasterTypeProductFilter != "")
{
// Get the supported URI filters from the raster type object using the
// raster type properties interface.
IArray mySuppFilters = ((IRasterTypeProperties)theRasterType).SupportedURIFilters;
IItemURIFilter productFilter = null;
for (int i = 0; i < mySuppFilters.Count; ++i)
{
// Set the desired filter from the supported filters.
productFilter = (IItemURIFilter)mySuppFilters.get_Element(i);
if (productFilter.Name == rasterTypeProductFilter)
theRasterType.URIFilter = productFilter;
}
}
// Enable the correct templates in the raster type.
bool enableTemplate = false;
if (rasterProductNames.Length >= 1 && (rasterProductNames[0] != ""))
{
// Get the supported item templates from the raster type.
IItemTemplateArray templateArray = theRasterType.ItemTemplates;
for (int i = 0; i < templateArray.Count; ++i)
{
// Go through the supported item templates and enable the ones needed.
IItemTemplate template = templateArray.get_Element(i);
enableTemplate = false;
for (int j = 0; j < rasterProductNames.Length; ++j)
if (template.Name == rasterProductNames[j])
enableTemplate = true;
if (enableTemplate)
template.Enabled = true;
else
template.Enabled = false;
}
}
((IRasterTypeProperties)theRasterType).DataSourceFilter = dataSourceFilter;
#endregion
#region Save Custom Raster Type
if (saveToArt)
{
IRasterTypeProperties rasterTypeProperties = (IRasterTypeProperties)theRasterType;
IRasterTypeEnvironment rasterTypeHelper = new RasterTypeEnvironmentClass();
rasterTypeProperties.Name = customTypeFilePath;
IMemoryBlobStream ipBlob = rasterTypeHelper.SaveRasterType(theRasterType);
ipBlob.SaveToFile(customTypeFilePath);
}
#endregion
#region Preparing Data Source Crawler
Console.WriteLine("Preparing Data Source Crawler");
// Create a new property set to specify crawler properties.
IPropertySet crawlerProps = new PropertySetClass();
// Specify a file filter
crawlerProps.SetProperty("Filter", dataSourceFilter);
// Specify whether to search subdirectories.
crawlerProps.SetProperty("Recurse", true);
// Specify the source path.
crawlerProps.SetProperty("Source", dataSource);
// Get the recommended crawler from the raster type based on the specified
// properties using the IRasterBuilder interface.
// Pass on the Thumbnailtype to the crawler...
IDataSourceCrawler theCrawler = ((IRasterBuilder)theRasterType).GetRecommendedCrawler(crawlerProps);
#endregion
#region Add Rasters
try
{
Console.WriteLine("Adding Rasters");
// Create a AddRaster parameters object.
IAddRastersParameters AddRastersArgs = new AddRastersParametersClass();
// Specify the data crawler to be used to crawl the data.
AddRastersArgs.Crawler = theCrawler;
// Specify the Thumbnail raster type to be used to add the data.
AddRastersArgs.RasterType = theRasterType;
// Use the mosaic dataset operation interface to add
// rasters to the mosaic dataset.
theMosaicDatasetOperation.AddRasters(AddRastersArgs, null);
}
catch (Exception ex)
{
Console.WriteLine("Error: Add raster Failed." + ex.Message);
return;
}
#endregion
#region Compute Pixel Size Ranges
Console.WriteLine("Computing Pixel Size Ranges.");
try
{
// Create a calculate cellsize ranges parameters object.
ICalculateCellSizeRangesParameters computeArgs = new CalculateCellSizeRangesParametersClass();
// Use the mosaic dataset operation interface to calculate cellsize ranges.
theMosaicDatasetOperation.CalculateCellSizeRanges(computeArgs, null);
}
catch (Exception ex)
{
Console.WriteLine("Error: Compute Pixel Size Failed." + ex.Message);
return;
}
#endregion
#region Building Boundary
Console.WriteLine("Building Boundary");
try
{
// Create a build boundary parameters object.
IBuildBoundaryParameters boundaryArgs = new BuildBoundaryParametersClass();
// Set flags that control boundary generation.
boundaryArgs.AppendToExistingBoundary = true;
// Use the mosaic dataset operation interface to build boundary.
theMosaicDatasetOperation.BuildBoundary(boundaryArgs, null);
}
catch (Exception ex)
{
Console.WriteLine("Error: Build Boundary Failed." + ex.Message);
return;
}
#endregion
#region Report
Console.WriteLine("Successfully created MD: " + MosaicDatasetName + ". ");
#endregion
}
catch (Exception exc)
{
#region Report
Console.WriteLine("Exception Caught in TestThumbnailBuilder: " + exc.Message);
Console.WriteLine("Failed.");
Console.WriteLine("Shutting down.");
#endregion
}
}
/// <summary>
/// Create a Mosaic Dataset in the geodatabase provided using the parameters defined by MDParamaters.
/// </summary>
/// <param name="gdbWorkspace">Geodatabase to create the Mosaic dataser in.</param>
public void CreateMosaicDataset(IWorkspace gdbWorkspace)
{
try
{
#region Global Declarations
IMosaicDataset theMosaicDataset = null;
IMosaicDatasetOperation theMosaicDatasetOperation = null;
IMosaicWorkspaceExtensionHelper mosaicExtHelper = null;
IMosaicWorkspaceExtension mosaicExt = null;
#endregion
#region CreateMosaicDataset
try
{
Console.WriteLine("Create Mosaic Dataset: " + MDParameters.mosaicDatasetName + ".amd");
/// Setup workspaces.
/// Create Srs
ISpatialReferenceFactory spatialrefFactory = new SpatialReferenceEnvironmentClass();
// Create the mosaic dataset creation parameters object.
ICreateMosaicDatasetParameters creationPars = new CreateMosaicDatasetParametersClass();
// Set the number of bands for the mosaic dataset.
// If defined as zero leave defaults
if (MDParameters.mosaicDatasetBands != 0)
creationPars.BandCount = MDParameters.mosaicDatasetBands;
// Set the pixel type of the mosaic dataset.
// If defined as unknown leave defaults
if (MDParameters.mosaicDatasetBits != rstPixelType.PT_UNKNOWN)
creationPars.PixelType = MDParameters.mosaicDatasetBits;
// Create the mosaic workspace extension helper class.
mosaicExtHelper = new MosaicWorkspaceExtensionHelperClass();
// Find the right extension from the workspace.
mosaicExt = mosaicExtHelper.FindExtension(gdbWorkspace);
// Default is none.
if (MDParameters.productDefinitionKey.ToLower() != "none")
{
// Set the product definition keyword and properties.
// (The property is called band definition keyword and band properties in the object).
((ICreateMosaicDatasetParameters2)creationPars).BandDefinitionKeyword = MDParameters.productDefinitionKey;
MDParameters.productDefinitionProps = SetBandProperties(MDParameters.productDefinitionKey);
if (MDParameters.productDefinitionProps.Count == 0)
{
Console.WriteLine("Setting production definition properties failed.");
return;
}
((ICreateMosaicDatasetParameters2)creationPars).BandProperties = MDParameters.productDefinitionProps;
}
// Use the extension to create a new mosaic dataset, supplying the
// spatial reference and the creation parameters object created above.
theMosaicDataset = mosaicExt.CreateMosaicDataset(MDParameters.mosaicDatasetName,
MDParameters.mosaicDatasetSrs, creationPars, MDParameters.configKeyword);
}
catch (Exception exc)
{
Console.WriteLine("Exception Caught while creating Mosaic Dataset: " + exc.Message);
return;
}
#endregion
#region OpenMosaicDataset
Console.WriteLine("Opening Mosaic Dataset");
theMosaicDataset = null;
// Use the extension to open the mosaic dataset.
theMosaicDataset = mosaicExt.OpenMosaicDataset(MDParameters.mosaicDatasetName);
// The mosaic dataset operation interface is used to perform operations on
// a mosaic dataset.
theMosaicDatasetOperation = (IMosaicDatasetOperation)(theMosaicDataset);
#endregion
#region Preparing Raster Type
Console.WriteLine("Preparing Raster Type");
// Create a Raster Type Name object.
IRasterTypeName theRasterTypeName = new RasterTypeNameClass();
// Assign the name of the Raster Type to the name object.
// The Name field accepts a path to an .art file as well
// the name for a built in Raster Type.
theRasterTypeName.Name = MDParameters.rasterTypeName;
// Use the Open function from the IName interface to get the Raster Type object.
IRasterType theRasterType = (IRasterType)(((IName)theRasterTypeName).Open());
if (theRasterType == null)
Console.WriteLine("Raster Type not found " + MDParameters.rasterTypeName);
// Set the URI Filter on the loaded raster type.
if (MDParameters.rasterTypeProductFilter != "")
{
// Get the supported URI filters from the raster type object using the
// raster type properties interface.
IArray mySuppFilters = ((IRasterTypeProperties)theRasterType).SupportedURIFilters;
IItemURIFilter productFilter = null;
for (int i = 0; i < mySuppFilters.Count; ++i)
{
// Set the desired filter from the supported filters.
productFilter = (IItemURIFilter)mySuppFilters.get_Element(i);
if (productFilter.Name == MDParameters.rasterTypeProductFilter)
theRasterType.URIFilter = productFilter;
}
}
// Enable the correct templates in the raster type.
string[] rasterProductNames = MDParameters.rasterTypeProductName.Split(';');
bool enableTemplate = false;
if (rasterProductNames.Length >= 1 && (rasterProductNames[0] != ""))
{
// Get the supported item templates from the raster type.
IItemTemplateArray templateArray = theRasterType.ItemTemplates;
for (int i = 0; i < templateArray.Count; ++i)
{
// Go through the supported item templates and enable the ones needed.
IItemTemplate template = templateArray.get_Element(i);
enableTemplate = false;
for (int j = 0; j < rasterProductNames.Length; ++j)
if (template.Name == rasterProductNames[j])
enableTemplate = true;
if (enableTemplate)
template.Enabled = true;
else
template.Enabled = false;
}
}
if (MDParameters.dataSourceSrs != null)
{
((IRasterTypeProperties)theRasterType).SynchronizeParameters.DefaultSpatialReference =
MDParameters.dataSourceSrs;
}
#endregion
#region Add DEM To Raster Type
if (MDParameters.rasterTypeAddDEM && ((IRasterTypeProperties)theRasterType).SupportsOrthorectification)
{
// Open the Raster Dataset
Type factoryType = Type.GetTypeFromProgID("esriDataSourcesRaster.RasterWorkspaceFactory");
IWorkspaceFactory workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
IRasterWorkspace rasterWorkspace = (IRasterWorkspace)workspaceFactory.OpenFromFile(
System.IO.Path.GetDirectoryName(MDParameters.rasterTypeDemPath), 0); ;
IRasterDataset myRasterDataset = rasterWorkspace.OpenRasterDataset(
System.IO.Path.GetFileName(MDParameters.rasterTypeDemPath));
IGeometricFunctionArguments geometricFunctionArguments =
new GeometricFunctionArgumentsClass();
geometricFunctionArguments.DEM = myRasterDataset;
((IRasterTypeProperties)theRasterType).OrthorectificationParameters =
geometricFunctionArguments;
}
#endregion
#region Preparing Data Source Crawler
Console.WriteLine("Preparing Data Source Crawler");
// Create a new property set to specify crawler properties.
IPropertySet crawlerProps = new PropertySetClass();
// Specify a file filter
crawlerProps.SetProperty("Filter", MDParameters.dataSourceFilter);
// Specify whether to search subdirectories.
crawlerProps.SetProperty("Recurse", true);
// Specify the source path.
crawlerProps.SetProperty("Source", MDParameters.dataSource);
// Get the recommended crawler from the raster type based on the specified
// properties using the IRasterBuilder interface.
IDataSourceCrawler theCrawler = ((IRasterBuilder)theRasterType).GetRecommendedCrawler(crawlerProps);
#endregion
#region Add Rasters
Console.WriteLine("Adding Rasters");
// Create a AddRaster parameters object.
IAddRastersParameters AddRastersArgs = new AddRastersParametersClass();
// Specify the data crawler to be used to crawl the data.
AddRastersArgs.Crawler = theCrawler;
// Specify the raster type to be used to add the data.
AddRastersArgs.RasterType = theRasterType;
// Use the mosaic dataset operation interface to add
// rasters to the mosaic dataset.
theMosaicDatasetOperation.AddRasters(AddRastersArgs, null);
#endregion
#region Compute Pixel Size Ranges
Console.WriteLine("Computing Pixel Size Ranges");
// Create a calculate cellsize ranges parameters object.
ICalculateCellSizeRangesParameters computeArgs = new CalculateCellSizeRangesParametersClass();
// Use the mosaic dataset operation interface to calculate cellsize ranges.
theMosaicDatasetOperation.CalculateCellSizeRanges(computeArgs, null);
#endregion
#region Building Boundary
Console.WriteLine("Building Boundary");
// Create a build boundary parameters object.
IBuildBoundaryParameters boundaryArgs = new BuildBoundaryParametersClass();
// Set flags that control boundary generation.
boundaryArgs.AppendToExistingBoundary = true;
// Use the mosaic dataset operation interface to build boundary.
theMosaicDatasetOperation.BuildBoundary(boundaryArgs, null);
#endregion
if (MDParameters.buildOverviews)
{
#region Defining Overviews
Console.WriteLine("Defining Overviews");
// Create a define overview parameters object.
IDefineOverviewsParameters defineOvArgs = new DefineOverviewsParametersClass();
// Use the overview tile parameters interface to specify the overview factor
// used to generate overviews.
((IOverviewTileParameters)defineOvArgs).OverviewFactor = 3;
// Use the mosaic dataset operation interface to define overviews.
theMosaicDatasetOperation.DefineOverviews(defineOvArgs, null);
#endregion
#region Compute Pixel Size Ranges
Console.WriteLine("Computing Pixel Size Ranges");
// Calculate cell size ranges to update the Min/Max pixel sizes.
theMosaicDatasetOperation.CalculateCellSizeRanges(computeArgs, null);
#endregion
#region Generating Overviews
Console.WriteLine("Generating Overviews");
// Create a generate overviews parameters object.
IGenerateOverviewsParameters genPars = new GenerateOverviewsParametersClass();
// Set properties to control overview generation.
IQueryFilter genQuery = new QueryFilterClass();
((ISelectionParameters)genPars).QueryFilter = genQuery;
genPars.GenerateMissingImages = true;
genPars.GenerateStaleImages = true;
// Use the mosaic dataset operation interface to generate overviews.
theMosaicDatasetOperation.GenerateOverviews(genPars, null);
#endregion
}
#region Report
Console.WriteLine("Success.");
#endregion
}
catch (Exception exc)
{
#region Report
Console.WriteLine("Exception Caught in CreateMD: " + exc.Message);
Console.WriteLine("Shutting down.");
#endregion
}
}
public static void TestThumbnailBuilder(string rasterTypeName, string rasterTypeProductFilter,
string rasterTypeProductName, string dataSource, string dataSourceFilter, string fgdbParentFolder,
bool saveToArt, string customTypeFilePath, bool clearGdbDirectory)
{
try
{
string[] rasterProductNames = rasterTypeProductName.Split(';');
string nameString = rasterTypeName.Replace(" ", "") + rasterTypeProductFilter.Replace(" ", "") +
rasterProductNames[0].Replace(" ", "");
#region Directory Declarations
string fgdbName = nameString + ".gdb";
string fgdbDir = fgdbParentFolder + "\\" + fgdbName;
string MosaicDatasetName = nameString + "MD";
#endregion
#region Global Declarations
IMosaicDataset theMosaicDataset = null;
IMosaicDatasetOperation theMosaicDatasetOperation = null;
IMosaicWorkspaceExtensionHelper mosaicExtHelper = null;
IMosaicWorkspaceExtension mosaicExt = null;
#endregion
#region Create File GDB
Console.WriteLine("Creating File GDB: " + fgdbName);
if (clearGdbDirectory)
{
try
{
Console.WriteLine("Emptying Gdb folder.");
System.IO.Directory.Delete(fgdbParentFolder, true);
System.IO.Directory.CreateDirectory(fgdbParentFolder);
}
catch (System.IO.IOException EX)
{
Console.WriteLine(EX.Message);
return;
}
}
// Create a File Gdb
Type factoryType = Type.GetTypeFromProgID("esriDataSourcesGDB.FileGDBWorkspaceFactory");
IWorkspaceFactory FgdbFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
FgdbFactory.Create(fgdbParentFolder,
fgdbName, null, 0);
#endregion
#region Create Mosaic Dataset
try
{
Console.WriteLine("Create Mosaic Dataset: " + MosaicDatasetName);
// Setup workspaces.
IWorkspaceFactory workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
IWorkspace fgdbWorkspace = workspaceFactory.OpenFromFile(fgdbDir, 0);
// Create Srs
ISpatialReferenceFactory spatialrefFactory = new SpatialReferenceEnvironmentClass();
ISpatialReference mosaicSrs = spatialrefFactory.CreateProjectedCoordinateSystem(
(int)(esriSRProjCSType.esriSRProjCS_World_Mercator));
// Create the mosaic dataset creation parameters object.
ICreateMosaicDatasetParameters creationPars = new CreateMosaicDatasetParametersClass();
// Create the mosaic workspace extension helper class.
mosaicExtHelper = new MosaicWorkspaceExtensionHelperClass();
// Find the right extension from the workspace.
mosaicExt = mosaicExtHelper.FindExtension(fgdbWorkspace);
// Use the extension to create a new mosaic dataset, supplying the
// spatial reference and the creation parameters object created above.
theMosaicDataset = mosaicExt.CreateMosaicDataset(MosaicDatasetName,
mosaicSrs, creationPars, "");
theMosaicDatasetOperation = (IMosaicDatasetOperation)(theMosaicDataset);
}
catch (Exception exc)
{
Console.WriteLine("Error: Failed to create Mosaic Dataset : {0}.",
MosaicDatasetName + " " + exc.Message);
return;
}
#endregion
#region Create Custom Raster Type
Console.WriteLine("Preparing Raster Type");
// Create a Raster Type Name object.
IRasterTypeName theRasterTypeName = new RasterTypeNameClass();
// Assign the name of the Raster Type to the name object.
// The Name field accepts a path to an .art file as well
// the name for a built in Raster Type.
theRasterTypeName.Name = rasterTypeName;
// Use the Open function from the IName interface to get the Raster Type object.
IRasterType theRasterType = (IRasterType)(((IName)theRasterTypeName).Open());
if (theRasterType == null)
{
Console.WriteLine("Error:Raster Type not found " + rasterTypeName);
return;
}
#endregion
#region Prepare Raster Type
// Set the URI Filter on the loaded raster type.
if (rasterTypeProductFilter != "")
{
// Get the supported URI filters from the raster type object using the
// raster type properties interface.
IArray mySuppFilters = ((IRasterTypeProperties)theRasterType).SupportedURIFilters;
IItemURIFilter productFilter = null;
for (int i = 0; i < mySuppFilters.Count; ++i)
{
// Set the desired filter from the supported filters.
productFilter = (IItemURIFilter)mySuppFilters.get_Element(i);
if (productFilter.Name == rasterTypeProductFilter)
{
theRasterType.URIFilter = productFilter;
}
}
}
// Enable the correct templates in the raster type.
bool enableTemplate = false;
if (rasterProductNames.Length >= 1 && (rasterProductNames[0] != ""))
{
// Get the supported item templates from the raster type.
IItemTemplateArray templateArray = theRasterType.ItemTemplates;
for (int i = 0; i < templateArray.Count; ++i)
{
// Go through the supported item templates and enable the ones needed.
IItemTemplate template = templateArray.get_Element(i);
enableTemplate = false;
for (int j = 0; j < rasterProductNames.Length; ++j)
{
if (template.Name == rasterProductNames[j])
{
enableTemplate = true;
}
}
if (enableTemplate)
{
template.Enabled = true;
}
else
{
template.Enabled = false;
}
}
}
((IRasterTypeProperties)theRasterType).DataSourceFilter = dataSourceFilter;
#endregion
#region Save Custom Raster Type
if (saveToArt)
{
IRasterTypeProperties rasterTypeProperties = (IRasterTypeProperties)theRasterType;
IRasterTypeEnvironment rasterTypeHelper = new RasterTypeEnvironmentClass();
rasterTypeProperties.Name = customTypeFilePath;
IMemoryBlobStream ipBlob = rasterTypeHelper.SaveRasterType(theRasterType);
ipBlob.SaveToFile(customTypeFilePath);
}
#endregion
#region Preparing Data Source Crawler
Console.WriteLine("Preparing Data Source Crawler");
// Create a new property set to specify crawler properties.
IPropertySet crawlerProps = new PropertySetClass();
// Specify a file filter
crawlerProps.SetProperty("Filter", dataSourceFilter);
// Specify whether to search subdirectories.
crawlerProps.SetProperty("Recurse", true);
// Specify the source path.
crawlerProps.SetProperty("Source", dataSource);
// Get the recommended crawler from the raster type based on the specified
// properties using the IRasterBuilder interface.
// Pass on the Thumbnailtype to the crawler...
IDataSourceCrawler theCrawler = ((IRasterBuilder)theRasterType).GetRecommendedCrawler(crawlerProps);
#endregion
#region Add Rasters
try
{
Console.WriteLine("Adding Rasters");
// Create a AddRaster parameters object.
IAddRastersParameters AddRastersArgs = new AddRastersParametersClass();
// Specify the data crawler to be used to crawl the data.
AddRastersArgs.Crawler = theCrawler;
// Specify the Thumbnail raster type to be used to add the data.
AddRastersArgs.RasterType = theRasterType;
// Use the mosaic dataset operation interface to add
// rasters to the mosaic dataset.
theMosaicDatasetOperation.AddRasters(AddRastersArgs, null);
}
catch (Exception ex)
{
Console.WriteLine("Error: Add raster Failed." + ex.Message);
return;
}
#endregion
#region Compute Pixel Size Ranges
Console.WriteLine("Computing Pixel Size Ranges.");
try
{
// Create a calculate cellsize ranges parameters object.
ICalculateCellSizeRangesParameters computeArgs = new CalculateCellSizeRangesParametersClass();
// Use the mosaic dataset operation interface to calculate cellsize ranges.
theMosaicDatasetOperation.CalculateCellSizeRanges(computeArgs, null);
}
catch (Exception ex)
{
Console.WriteLine("Error: Compute Pixel Size Failed." + ex.Message);
return;
}
#endregion
#region Building Boundary
Console.WriteLine("Building Boundary");
try
{
// Create a build boundary parameters object.
IBuildBoundaryParameters boundaryArgs = new BuildBoundaryParametersClass();
// Set flags that control boundary generation.
boundaryArgs.AppendToExistingBoundary = true;
// Use the mosaic dataset operation interface to build boundary.
theMosaicDatasetOperation.BuildBoundary(boundaryArgs, null);
}
catch (Exception ex)
{
Console.WriteLine("Error: Build Boundary Failed." + ex.Message);
return;
}
#endregion
#region Report
Console.WriteLine("Successfully created MD: " + MosaicDatasetName + ". ");
#endregion
}
catch (Exception exc)
{
#region Report
Console.WriteLine("Exception Caught in TestThumbnailBuilder: " + exc.Message);
Console.WriteLine("Failed.");
Console.WriteLine("Shutting down.");
#endregion
}
}
/// <summary>
/// 连接镶嵌数据集
/// </summary>
/// <param name="WS">工作空间</param>
/// <param name="Name">名称</param>
public IMosaicDataset MosaicDataset(IWorkspace WS, string Name)
{
if (WS == null)
{
MessageBox.Show("请检查工作空间");
return null;
}
IMosaicDataset MosaicDataset = null;
try
{
IWorkspace2 WS2 = WS as IWorkspace2;
IMosaicWorkspaceExtensionHelper MosaicWorkspaceExtensionHelper = new MosaicWorkspaceExtensionHelperClass();
IMosaicWorkspaceExtension MosaicWorkspaceExtension = MosaicWorkspaceExtensionHelper.FindExtension(WS);
MosaicDataset = MosaicWorkspaceExtension.OpenMosaicDataset(Name);
//IRasterLayer RasterLayer = new RasterLayer();
//RasterLayer.CreateFromDataset(MosaicDataset as IRasterDataset);
return MosaicDataset;
}
catch
{
MessageBox.Show("工作空间或名称错误");
return null;
}
//finally
//{
// Marshal.FinalReleaseComObject(pMosaicDataset); //释放资源,释放内存了return的数据报错
//}
}
private void btnChangeY_Click(object sender, EventArgs e)
{
maploaded = true;
System.Windows.Forms.Cursor.Current = Cursors.WaitCursor;
if ((cboBotYear.Text != "") && (cboTopYear.Text != ""))
{
label3.Text = cboTopYear.Text;
label4.Text = cboBotYear.Text;
if (!(topPublicMosaicLayer == null))
{
//Delete old top layer, ??check still the same top to save time?
m_MapControl.ActiveView.FocusMap.DeleteLayer((ILayer)topPublicMosaicLayer);
m_MapControltop.ActiveView.FocusMap.DeleteLayer((ILayer)topPublicMosaicLayer);
}
if (!(botPublicMosaicLayer == null))
{
//Delete old bot layer, ??check still the same bot to save time?
m_MapControl.ActiveView.FocusMap.DeleteLayer((ILayer)botPublicMosaicLayer);
m_MapControlbase.ActiveView.FocusMap.DeleteLayer((ILayer)botPublicMosaicLayer);
}
//This version, we will use mosaicdataset========================
IMosaicWorkspaceExtensionHelper MosaicWsHelper = new MosaicWorkspaceExtensionHelperClass();
IWorkspaceFactory2 workspaceFactory = new FileGDBWorkspaceFactoryClass();
string mosaicdatabase = ConfigurationManager.AppSettings["MosaicDatabase"];
IWorkspace ws = workspaceFactory.OpenFromFile(mosaicdatabase, 0);
IMosaicWorkspaceExtension mosaicWsExtension = MosaicWsHelper.FindExtension(ws);
//BOT
strBaseYr = "AmherstOrthoMosaic" + cboBotYear.Text;
IMosaicDataset pMosaicDatasetBot = mosaicWsExtension.OpenMosaicDataset(strBaseYr);
botPublicMosaicLayer = new MosaicLayerClass();
botPublicMosaicLayer.CreateFromMosaicDataset(pMosaicDatasetBot);
if (!(botPublicMosaicLayer == null))
{
IFeatureLayer footprint = (IFeatureLayer)botPublicMosaicLayer.FootprintLayer;
((ILayer)footprint).Visible = false;
ILayer botLayer = (ILayer)botPublicMosaicLayer;
botLayer.MinimumScale = 6000;
m_MapControl.ActiveView.FocusMap.AddLayer(botLayer);
m_MapControlbase.ActiveView.FocusMap.AddLayer(botLayer);
}
//TOP
strTopYr = "AmherstOrthoMosaic" + cboTopYear.Text;
IMosaicDataset pMosaicDatasetTop = mosaicWsExtension.OpenMosaicDataset(strTopYr);
topPublicMosaicLayer = new MosaicLayerClass();
topPublicMosaicLayer.CreateFromMosaicDataset(pMosaicDatasetTop);
if (!(topPublicMosaicLayer == null))
{
IFeatureLayer footprint = (IFeatureLayer)topPublicMosaicLayer.FootprintLayer;
((ILayer)footprint).Visible = false;
ILayer topLayer = (ILayer)topPublicMosaicLayer;
topLayer.MinimumScale = 6000;
m_MapControl.ActiveView.FocusMap.AddLayer(topLayer);
m_MapControltop.ActiveView.FocusMap.AddLayer(topLayer);
ILayerEffectProperties lepSwip = m_CommandsEnvironment as ILayerEffectProperties;
lepSwip.SwipeLayer = topLayer;
//===possible problem toplayer is not public variable any more
}
IFeatureLayer featurelayerParcel = new FeatureLayerClass();
featurelayerParcel.FeatureClass = featureClassParcels;
featurelayerParcel.Name = "parcels";
featurelayerParcel.MinimumScale = 6000;
featurelayerParcel.Visible = false;
IRgbColor pLColor = new RgbColorClass();
pLColor.Red = 255;
pLColor.Green = 255;
pLColor.Blue = 255;
ISimpleFillSymbol pSFS = new SimpleFillSymbolClass();
ICartographicLineSymbol pCLineS = new CartographicLineSymbolClass();
pCLineS.Color = pLColor;
ILineProperties lineProperties = pCLineS as ILineProperties;
lineProperties.Offset = 0;
System.Double[] hpe = new System.Double[4];
hpe[0] = 7;
hpe[1] = 2;
hpe[2] = 1;
hpe[3] = 2;
ITemplate template = new TemplateClass();
template.Interval = 3;
for (int i = 0; i < hpe.Length; i = i + 2)
{
template.AddPatternElement(hpe[i], hpe[i + 1]);
}
lineProperties.Template = template;
pCLineS.Width = 1;
pCLineS.Cap = esriLineCapStyle.esriLCSButt;
pCLineS.Join = esriLineJoinStyle.esriLJSBevel;
pCLineS.Color = pLColor;
pSFS.Outline = pCLineS;
pSFS.Style = esriSimpleFillStyle.esriSFSHollow;
IGeoFeatureLayer pGFL = (IGeoFeatureLayer)featurelayerParcel;
ISimpleRenderer pRend = pGFL.Renderer as ISimpleRenderer;
pRend.Symbol = pSFS as ISymbol;
if ((Helper.FindMyFeatureLayer(m_MapControl.ActiveView.FocusMap, "parcels") == null))
{
if (!(featurelayerParcel == null))
{
m_MapControl.ActiveView.FocusMap.AddLayer(featurelayerParcel);
m_MapControltop.ActiveView.FocusMap.AddLayer(featurelayerParcel);
m_MapControlbase.ActiveView.FocusMap.AddLayer(featurelayerParcel);
}
}
else
{
//is this temp necessary???????
IFeatureLayer parcellayertemp = Helper.FindMyFeatureLayer(m_MapControl.ActiveView.FocusMap, "parcels");
m_MapControl.ActiveView.FocusMap.MoveLayer(parcellayertemp, 0);
m_MapControltop.ActiveView.FocusMap.MoveLayer(parcellayertemp, 0);
m_MapControlbase.ActiveView.FocusMap.MoveLayer(parcellayertemp, 0);
}
//MessageBox.Show("Top aerophoto is taken on: " + cboTopYear.Text + ".\r\nBottom areophoto is taken on: " + cboBotYear.Text + ".");
}
else
{
MessageBox.Show("Please select two years to compare");
}
GeneratePageLayout();
System.Windows.Forms.Cursor.Current = Cursors.Default;
}
public IMosaicDataset openMosaicDataset(IWorkspace wks, string mosaicDatasetName)
{
IMosaicWorkspaceExtensionHelper mosaicExtHelper = new MosaicWorkspaceExtensionHelperClass();
IMosaicWorkspaceExtension mosaicExt = mosaicExtHelper.FindExtension(wks);
IMosaicDataset mosaicDset = mosaicExt.OpenMosaicDataset(mosaicDatasetName);
return mosaicDset;
}
public IMosaicDataset createMosaicDataset(IWorkspace wks, ISpatialReference spatialReference, string mosaicDataSetName, rstPixelType pType, int numBands)
{
ICreateMosaicDatasetParameters crParam = new CreateMosaicDatasetParametersClass();
crParam.BandCount = numBands;
crParam.PixelType = pType;
IMosaicWorkspaceExtensionHelper mosaicExtHelper = new MosaicWorkspaceExtensionHelperClass();
IMosaicWorkspaceExtension mosaicExt = mosaicExtHelper.FindExtension(wks);
IMosaicDataset mosaicDset = mosaicExt.CreateMosaicDataset(mosaicDataSetName, spatialReference,(ICreateMosaicDatasetParameters)crParam,"");
return mosaicDset;
}
IMosaicDataset GetMosaicDataset(string pFGDBPath,string pMDame)
{
IWorkspaceFactory pWorkspaceFactory = new FileGDBWorkspaceFactoryClass();
IWorkspace pFgdbWorkspace = pWorkspaceFactory.OpenFromFile(pFGDBPath, 0);
IMosaicWorkspaceExtensionHelper pMosaicExentionHelper = new
MosaicWorkspaceExtensionHelperClass();
IMosaicWorkspaceExtension pMosaicExtention = pMosaicExentionHelper.FindExtension(pFgdbWorkspace);
return pMosaicExtention.OpenMosaicDataset(pMDame);
}
/// <summary>
/// 创建镶嵌数据集
/// </summary>
/// <param name="pFGDBPath"></param>
/// <param name="pMDame"></param>
/// <param name="pSrs"></param>
/// <returns></returns>
IMosaicDataset CreateMosaicDataset(string pFGDBPath, string pMDame, ISpatialReference pSrs )
{
IWorkspaceFactory pWorkspaceFactory = new FileGDBWorkspaceFactory();
IWorkspace pFgdbWorkspace = pWorkspaceFactory.OpenFromFile(pFGDBPath, 0);
ICreateMosaicDatasetParameters pCreationPars = new CreateMosaicDatasetParametersClass();
pCreationPars.BandCount = 3;
pCreationPars.PixelType = rstPixelType.PT_UCHAR;
IMosaicWorkspaceExtensionHelper pMosaicExentionHelper = new MosaicWorkspaceExtensionHelperClass();
IMosaicWorkspaceExtension pMosaicExtention = pMosaicExentionHelper.FindExtension(pFgdbWorkspace);
return pMosaicExtention.CreateMosaicDataset(pMDame, pSrs, pCreationPars, "");
}
