[gdal-dev] write tif error
Chaitanya kumar CH
chaitanya.ch at gmail.com
Wed Apr 14 06:24:40 EDT 2010
weixj2003ld,
Can you provide your code and a link to the sample dataset that shows this
error?
2010/4/14 weixj2003ld <weixj2003ld at 163.com>
> 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?
> *
>
>
>
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--
Best regards,
Chaitanya kumar CH.
/tʃaɪθənjə/ /kʊmɑr/
+91-9848167848
17.2416N 80.1426E
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