weixj2003ld, Can you provide your code and a link to the sample dataset that shows this error?
2010/4/14 weixj2003ld <[email protected]> > I use the following code to read data from a geotiff file and do some > computing and write it into > a new one.the bands number is 6; ... > GDALDataset *poSrcDS,*poDstDS;//poSrcDs:the source file,poDstDS:the goal > source GDALRasterBand *poSrcBand,*poDstBand;//poSrcBand:the source > band,poDstBand:the goal band GDALDriver *poDstDriver; > double *m_AdGeoTransform=new double[6]; > > ... > > poDstDriver=GetGDALDriverManager()->GetDriverByName(poSrcDS->GetDriver()->G > etDescrition()); > poDstDS=poDstDriver->create(DstFilename,nX,nY,6,GDT_Float32,NULL); > poSrcDS->GetGeoTransform(m_AdGeoTransform) > poDstDS->SetGeoTransform(m_AdGeoTransform); > poDstDS->SetProjection(poSrcDS->GetProjectionRef());* > for(int iBand=0;iBand<6;iBand++) > { > poSrcBand=poSrcDS->GetRaserBand(iBand+1); > poDstBand=poDstDS->GetRaserBand(iBand+1); > float *pafScanline; > pafScanline=(float *)CPLMalloc(sizeof(float)*nX; > for(int i=0;i<nY;i++) > { > poSrcBand->RasterIO(GF_Read,0,0,nX,i,pafScanline,nX,1,GDT_Float32,0,0); > > poDstBand->RasterIO(GF_Write,0,0,nX,i,pafScanline,nX,1,GDT_Float32,0,0);//If > I comment this code,the program will be ok. } > } > GDALClose((GDALDatasetH)poDstDS); > > When I run my program,CPU is very alway busy,and the program is > blocked,why? > * > > > > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev > -- Best regards, Chaitanya kumar CH. /tʃaɪθənjə/ /kʊmɑr/ +91-9848167848 17.2416N 80.1426E
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