pixelblock

irasterbandcollection Dim prasterprops as irasterprops Dim pcache 'Qi for irawpixels and irasterprops Set pbands = PDS Set prawpixel = pbands. Item (0) Set prasterprops = prawpixel 'Create pixelblock Set PPNT = new dblpnt PPNT. setcoords 0, 0 Set psize = new dblpnt Psize. setcoords prasterprops. Width, prasterprops. Height Set ppixelblock = prawpixel. createpixelblock (psize) 'Read

Print? IWorkspaceFactory wf = new RasterWorkspaceFactory ();IWorkspace ws = wf. OpenFromFile (path, 0 );IRasterWorkspace rastWork = (IRasterWorkspace) ws;IRasterDataset3 rds = (IRasterDataset3) rastWork. OpenRasterDataset (tmp + "2.img ");IRasterBandCollection rasterbands = (IRasterBandCollection) rds;IRaster raster = rds. CreateFullRaster ();RasterToText2 (raster, path + "\ 123.txt ");Private void RasterToText2 (IRaster raster, string txtFile){Var datas = RasterArray (raster );StreamWriter sw =

; Int dheight = rasterprops. height; // number of rows in the current grid Dataset Int dwidth = rasterprops. width; // Number of columns in the current raster Dataset Double dx = rasterprops. meancellsize (). X; // The width of the grid. Double DY = rasterprops. meancellsize (). Y; // The height of the grid. Ienvelope extent = rasterprops. extent; // the range of the current raster Dataset Rstpixeltype pixeltype = rasterprops. pixeltype; // The current grid pixel type. Ipnt pntsize = new pntclas

This paper mainly introduces the use of Irawpixels interface to traverse raster data. Have a good reference value, follow the small series together to see it The version of AO is 10.2, and the language developed is C #. Raster data source Irasterdataset interface. Irasterbandcollection prasterbandcollection = Prasterdataset as Irasterbandcollection;irasterband PRasterBand = Prasterbandcollection.item (0); Iraster Praster = (prasterdataset as IRasterDataset2). Createfullraster (); Irawpixels pra

Use the IRawPixels interface to traverse raster data, irawpixels raster The AO version is 10.2 and the developed language is C #. Raster Data Source IRasterDataset interface. 1 IRasterBandCollection pRasterBandCollection = pRasterDataset as IRasterBandCollection; 2 IRasterBand pRasterBand = pRasterBandCollection.Item(0); 3 IRaster pRaster = (pRasterDataset as IRasterDataset2).CreateFullRaster(); 4 IRawPixels pRawPixels = pRasterBand as IRawPixels; 5 IRasterProps pRasterProps = pRasterBand as

ycrcb video. Macro Block layer ml contains the movement of P frames and B framesVector (MV-MotionVectors ). Additional data includes the following information: describes the macro block address of the macro block in the Macro Block Bar layer, the macro block type of the macro block encoding method and content, the macro block quantization parameters, the differences between the motion vector type and the largeSmall, indicating that the field discrete cosine transform (DCT-discrete cosine transf

special projection and amplitude. This makes Raster more conducive to display and analysis.Because Raster's Transient nature,IRasterProps is an important interface used to control Raster attributes, such as amplitude, width, height, spatial reference, pixel type, and Nodata value.Dim pRasterProps as IRasterPropsSet pRasterProps = pRasterPRaster. ResampleMethod = RSP_BilinearInterpolationPRasterProps. SpatialReference = pNewSpatialReferenceDim pSaveAs as ISaveAsSet pSaveAs = pRasterPSaveAs. Save

", origin, width, height, xCell, yCell, NumBand, rstPixelType.PT_UCHAR, sr, true); //If you need to set NoData for some of the pixels, you need to set it on band //to get the raster band. IRasterBandCollection rasterBands = (IRasterBandCollection)rasterDataset; IRasterBand rasterBand; IRasterProps rasterProps; rasterBand = rasterBands.Item(0); rasterProps = (IRasterProps)rasterBand; //Set NoData if necessary. For a mu

; //This is the cell size in x direction. double yCell = 30; //This is the cell size in y direction. int NumBand = 1; // This is the number of bands the raster dataset contains. //Create a raster dataset in grid format. IRasterDataset rasterDataset = rasterWs.CreateRasterDataset(FileName, "GRID", origin, width, height, xCell, yCell, NumBand, rstPixelType.PT_UCHAR, sr, true); //Get the raster band. IRasterBandCollection rasterBands =