Hi,
They overlap correctly and yes you are right the input images already have 
a projection. I tried gdal_pansharpen and it has generated a valid image, I 
am a bit lost here!

Pritimoy

On Friday, 5 October 2018 14:10:32 UTC+1, Guillaume Pasero wrote:
>
> Hi, 
>
> it looks like your output image is empty (filled with 0). It also looks 
> like your input images already have a projection, when you open them in 
> QGIS do they overlap correctly ?
>
> For clarity, you should also specify the file extension of output image : 
> pansharpened_image.tif
> Regards,
> Guillaume
>
> On 10/05/2018 11:51 AM, pritimo...@deimos-space.com <javascript:> wrote:
>
> Hi Julien, 
> Many thanks for your quick reply. Both Input and Output file 
> formats are GeoTIFF.gdalinfo can read both inputs and output. gdalinfo for 
> the output image is as follows:
> Driver: GTiff/GeoTIFF
> Files: pansharpened_image
> Size is 1129, 1257
> Coordinate System is:
> GEOGCS["WGS 84",
>     DATUM["WGS_1984",
>         SPHEROID["WGS 84",6378137,298.257223563,
>             AUTHORITY["EPSG","7030"]],
>         AUTHORITY["EPSG","6326"]],
>     PRIMEM["Greenwich",0],
>     UNIT["degree",0.0174532925199433],
>     AUTHORITY["EPSG","4326"]]
> Origin = (116.442644579287958,40.183680965026390)
> Pixel Size = (0.000003177881044,-0.000003178646589)
> Metadata:
>   AREA_OR_POINT=Area
> Image Structure Metadata:
>   INTERLEAVE=PIXEL
> Corner Coordinates:
> Upper Left  ( 116.4426446,  40.1836810) (116d26'33.52"E, 40d11' 1.25"N)
> Lower Left  ( 116.4426446,  40.1796854) (116d26'33.52"E, 40d10'46.87"N)
> Upper Right ( 116.4462324,  40.1836810) (116d26'46.44"E, 40d11' 1.25"N)
> Lower Right ( 116.4462324,  40.1796854) (116d26'46.44"E, 40d10'46.87"N)
> Center      ( 116.4444385,  40.1816832) (116d26'39.98"E, 40d10'54.06"N)
> Band 1 Block=1129x1 Type=UInt16, ColorInterp=Gray
>   NoData Value=0
> Band 2 Block=1129x1 Type=UInt16, ColorInterp=Undefined
>   NoData Value=0
> Band 3 Block=1129x1 Type=UInt16, ColorInterp=Undefined
>   NoData Value=0
> Band 4 Block=1129x1 Type=UInt16, ColorInterp=Undefined
>   NoData Value=0
> Band 5 Block=1129x1 Type=UInt16, ColorInterp=Undefined
>   NoData Value=0
> Band 6 Block=1129x1 Type=UInt16, ColorInterp=Undefined
>   NoData Value=0
> Band 7 Block=1129x1 Type=UInt16, ColorInterp=Undefined
>   NoData Value=0
> Band 8 Block=1129x1 Type=UInt16, ColorInterp=Undefined
>   NoData Value=0
>
> FYI, when I am loading the output on QGIS I am also getting following 
> error messages:
> ERROR 1:pansharpened_image, band 1: Failed to compute statistics, no valid 
> pixels found in sampling.
> ERROR 1:pansharpened_image, band 1: Failed to compute statistics, no valid 
> pixels found in sampling.
> ERROR 1:pansharpened_image, band 2: Failed to compute statistics, no valid 
> pixels found in sampling.
> ERROR 1:pansharpened_image, band 2: Failed to compute statistics, no valid 
> pixels found in sampling.
> ERROR 1:pansharpened_image, band 3: Failed to compute statistics, no valid 
> pixels found in sampling.
> ERROR 1:pansharpened_image, band 3: Failed to compute statistics, no valid 
> pixels found in sampling.
>
> Kind regards,
> Pritimoy
>
> On Friday, 5 October 2018 10:18:05 UTC+1, Julien Michel wrote: 
>>
>> Hi,
>>
>>  
>>
>> What file format are you using for input and outputs ? Can gdal read the 
>> inputs/output with gdalinfo ?
>>
>>  
>>
>> Regards,
>>
>>  
>>
>> Julien
>>
>>  
>>
>> *De :* otb-...@googlegroups.com <otb-...@googlegroups.com> *De la part 
>> de* pritimo...@deimos-space.com
>> *Envoyé :* vendredi 5 octobre 2018 11:00
>> *À :* otb-users <otb-...@googlegroups.com>
>> *Objet :* [otb-users] otbcli_BundleToPerfectSensor is generating an 
>> invalid image
>>
>>  
>>
>> Hi,
>>
>> I am using otbcli_BundleToPerfectSensor to pan-sharpen a worldview3 
>> image. It is generating an image which seems to be invalid, when I try to 
>> load the image on QGIS I get std::bad_alloc. I have ubuntu 14.04 server 
>> where I installed otb-bin 5.4.0+dfsg-1~trusty2 and used the following 
>> command to generate the image:
>>
>> otbcli_BundleToPerfectSensor -ram 4096  -inp input_pan_image 
>> -inxs input_multispectral_image -out pansharpened_image uint16
>>
>>  
>>
>> Am I missing something? Any help will be appreciated.
>>
>> Pritimoy
>>
>>  
>>
>> -- 
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> -- 
> <http://www.c-s.fr> *Guillaume PASERO*
> Responsable technique
> *Business Unit ESPACE & GeoInformation - Département Payload Data & 
> Applications*
>
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> +33 561 17 64 21 - guillaum...@c-s.fr <javascript:> 
>

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