[gdal-dev] Gdal_translate into HDF4 fails

[Even Rouault]

yes, this is sluggish . I just converted a 18002x22000 byte 3-band 
dataset in 28 minutes.

Le 18/02/2022 à 13:44, Rahkonen Jukka (MML) a écrit :
>
> More information, probably it does not fail but it is extremely slow. 
> After 15 minutes I am now at this stage
>
> gdal_translate -of HDF4Image 3band.tif out.h4 --debug on
>
> GDAL: GDALOpen(3band.tif, this=00000215A20D36A0) succeeds as GTiff.
>
> Input file size is 12000, 12000
>
> GDAL: QuietDelete(out.h4) invoking Delete()
>
> GDAL: GDALOpen(out.h4, this=00000215A20BF880) succeeds as HDF4.
>
> GDALPamDataset: In destructor with dirty metadata.
>
> GDAL: GDALClose(out.h4, this=00000215A20BF880)
>
> GTiff: ScanDirectories()
>
> GDAL: GDALDefaultOverviews::OverviewScan()
>
> GDAL: Using default GDALDriver::CreateCopy implementation.
>
> 0GDAL: 
> GDALDriver::Create(HDF4Image,out.h4,12000,12000,3,Byte,0000000000000000)
>
> GDAL: GDAL_CACHEMAX = 1632 MB
>
> GDAL: GDALDatasetCopyWholeRaster(): 12000*83 swaths, bInterleave=1
>
> ...10...20...30...40...50...60...70...80...90...100 - done.
>
> GDAL: Flushing dirty blocks: 
> 0...10...20...30...40...50...60...70...80...90...100 - done.
>
> GDAL: Flushing dirty blocks: 0...10...20...30.
>
> -Jukka-
>
> *Lähettäjä:*Rahkonen Jukka (MML)
> *Lähetetty:* perjantai 18. helmikuuta 2022 14.09
> *Vastaanottaja:* 'gdal-dev at lists.osgeo.org' <gdal-dev at lists.osgeo.org>
> *Aihe:* Gdal_translate into HDF4 fails
>
> Hi,
>
> There is a question about HDF4 in 
> https://gis.stackexchange.com/questions/424204/convert-geotiff-to-hdf-using-gdal.
>
> I tried the same with GDAL 3.4.0. With a single band image conversion 
> from GeoTIFF into HDF4Image succeeds but with a 3 band image not. I am 
> not sure if it is even supposed to work and the driver test in 
> https://github.com/OSGeo/gdal/blob/master/autotest/gcore/hdf4_write.py 
> is rather simplistic.
>
> So, should “gdal_translate -of HDF4Image 3band.tif out3band.h4” work?
>
> -Jukka Rahkonen-
>
>
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