public void BuildOverview(ref IMosaicDataset theMosaicDataset, bool buildOverviews)
{
IMosaicDatasetOperation theMosaicDatasetOperation = (IMosaicDatasetOperation)(theMosaicDataset);
if (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.
ICalculateCellSizeRangesParameters computeArgs = new CalculateCellSizeRangesParametersClass();
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
}
}
/// <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
}
}