Re: [gdal-dev] Motion: promote GDAL 3.4.0RC3 as final issue

2021-11-07 Thread Jeff McKenna 

RC3 works well in the MS4W/Windows environment.

Thanks!

-jeff



--
Jeff McKenna
GatewayGeo: Developers of MS4W, MapServer Consulting and Training
co-founder of FOSS4G
http://gatewaygeo.com/


On 2021-11-04 9:33 a.m., Even Rouault wrote:

Hi,

RC3 should be the last iteration needed to allow 3.4.0 to be released.

Motion:

Adopt GDAL 3.4.0 RC3 as final 3.4.0 release

Starting with my +1

Even



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[gdal-dev] Process Sentinel-5p netCDF to tiff files but overlapping appears clearly between 2 files?

2021-11-07 Thread Bang Pham Huu 
Hello,

I've used 2 Sentinel-5p scenes in hdf5 / netCDF to geoTiff by gdal
version 2.2.4 like example below:

First, I extract the lat and lon coordinates from one HDF5 file

 gdal_translate -of VRT
HDF5:"S5P_OFFL_L2__AER_AI_20210501T110005_20210501T124135_18388_01_010400_20210503T005051.nc"://PRODUCT/latitude
lat.vrt
 gdal_translate -of VRT
HDF5:"S5P_OFFL_L2__AER_AI_20210501T110005_20210501T124135_18388_01_010400_20210503T005051.nc"://PRODUCT/longitude
lon.vrt

Then, I create the product.vrt like below

    
  
    0
    1
    0
    1
    1
    /home/PROJECTS/Sentinel-5P/test_L2_AER_AI/lon.vrt
    1
    /home/PROJECTS/Sentinel-5P/test_L2_AER_AI/lat.vrt
  
  
    
  9.9692099683869e+36
  7.78603750784e+35
  -7.209698677063
  2.6750402750247e+36
    
    
  HDF5:S5P_OFFL_L2__AER_AI_20210501T110005_20210501T124135_18388_01_010400_20210503T005051.nc://PRODUCT/aerosol_index_340_380
  1
  
  
  
    
  
    

And finally, I extract the data inside the HDF5 to geoTiff and project
it to EPSG:4326 CRS.

    gdalwarp -geoloc -t_srs EPSG:4326 -srcnodata 9.96921e+36f
product.vrt aerosol_index_340_380.tiff -tr 0.069 0.069 -tap -of GTiff

I did that for 2 files which are neighbor to extract the wanted
sub_dataset to tiff files and then opened them on QGIS.

** The image looks like below https://imgur.com/uu6pS5n

** The two extracted tiff files can be found from
https://drive.google.com/drive/folders/1lOXyJXhhzmfs5e_WTsKPOj96CHEEIyhP?usp=sharing

I wonder, why there are clear borders (the line in the middle) between
the 2 overlapping files?

Thanks,

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