[gdal-dev] Open Grib File

[Chaitanya kumar CH]

Pascal,

The data is written into the buffer array. The function returns the CE_None
or CE_None.

On Fri, Jan 6, 2012 at 7:11 PM, Jaugeas, Pascal (External) <
pascal.jaugeas.External at cassidian.com> wrote:

> **
> Hello,
>
> another problem ....
>
> I try to read data of a band of a grib File. I think , in C# dev, I must
> use ReadRaster function:
>
> My code :
>
>
> for
> (int j = 1; j <= rows; j++)
>
> {
>
> for (int k = 1; k <= cols; k++)
>
> {
>
> byte[] buffer ={1,1};
>
> CPLErr err = band.ReadRaster(0, 0, cols, rows, buffer, cols, rows, 1, 1);
>
> double val = (double)band. ReadRaster(0, 0, cols, rows, buffer, cols,
> rows, 1, 1);
>
> }
>
> }
>
> But, val stay at 0  and err is none.
>
> Do you have an idea ? buffer is important ?
>
> Tank you again for any help
>
> Best regards
>
> Pascal
>
>
>  ------------------------------
> *De :* gdal-dev-bounces at lists.osgeo.org [mailto:
> gdal-dev-bounces at lists.osgeo.org] *De la part de* Chaitanya kumar CH
> *Envoyé :* jeudi 5 janvier 2012 17:25
>
> *À :* Jaugeas, Pascal (External)
> *Cc :* gdal-dev at lists.osgeo.org
> *Objet :* Re: [gdal-dev] Open Grib File
>
> Pascal,
>
> Use the GDALMajorObject::GetMetaData() method[1].
>
> You might want to go through the GDAL API docs[2] a bit throughly.
>
> [1]: http://www.gdal.org/classGDALMajorObject.html
> [2]: http://www.gdal.org/hierarchy.html
>
> On Thu, Jan 5, 2012 at 7:40 PM, Jaugeas, Pascal (External) <
> pascal.jaugeas.External at cassidian.com> wrote:
>
>> **
>> I have another problem.
>>
>> After open grib file,  I have a DataSet.
>> This dataset give the quantities of row, col and band.
>> For each band, I want to know the heading.  In a band of a grib file,
>> there are 3 rows for heading, not counting by the dataset.
>> Do you know how I can do that ?
>>
>> Thanks and regards,
>>
>>
>>  ------------------------------
>> *De :* Chaitanya kumar CH [mailto:chaitanya.ch at gmail.com]
>> *Envoyé :* jeudi 5 janvier 2012 13:00
>> *À :* Jaugeas, Pascal (External)
>> *Cc :* gdal-dev at lists.osgeo.org
>> *Objet :* Re: [gdal-dev] Open Grib File
>>
>>  Pascal,
>>
>> First check if your file works with the gdalinfo utility. Set the
>> environment variable CPL_DEBUG to ON to get more detailed reports on events.
>>
>> Check if you get the same error with another grib file and another format
>> file.
>>
>>
>> On Thu, Jan 5, 2012 at 2:50 PM, Jaugeas, Pascal (External) <
>> pascal.jaugeas.External at cassidian.com> wrote:
>>
>>> **
>>> Hello,
>>>
>>> I develop with Gdal for .Net.
>>> And I try to read a grib File (ed 1) like this :
>>>
>>> Dataset
>>> ds = Gdal.Open(dataSourcePath, Access.GA_Update);
>>> with dataSourcePath is the path of grib file (.grb).
>>>
>>> But I have an error in debug : "... not recognised as a supported file
>>> format."
>>>
>>> Is this method correct to have a dataset of a grib file ?
>>>
>>> Thank you for your help,
>>>
>>> Best Regards,
>>>
>>> Pascal Jaugeas
>>>
>>>
>>>
>>> _______________________________________________
>>> gdal-dev mailing list
>>> gdal-dev at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>>>
>>
>>
>>
>> --
>> Best regards,
>> Chaitanya kumar CH.
>>
>> +91-9494447584
>> 17.2416N 80.1426E
>>
>
>
>
> --
> Best regards,
> Chaitanya kumar CH.
>
> +91-9494447584
> 17.2416N 80.1426E
>
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>



-- 
Best regards,
Chaitanya kumar CH.

+91-9494447584
17.2416N 80.1426E
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