[Rtk-users] RTK training

[Guangming Zang]

Hi Simon
Thanks for the help.
Regards  Guangming

*Guangming Zang (Alex)*
*King Abdullah University of Science and Technology(KAUST)*
*University of Chinese Academy of Sciences(UCAS)*




2015-06-18 19:36 GMT+03:00 Simon Rit <simon.rit at creatis.insa-lyon.fr>:

> Hi,
> I have slightly modified the help following your suggestion:
>
> https://github.com/SimonRit/RTK/commit/a48ad7e325f12246d6730aefbf1254b1cc431dd1
> Simon
>
> On Wed, Jun 17, 2015 at 8:43 PM, Guangming Zang <
> guangming.zang at kaust.edu.sa> wrote:
>
>> Thanks for the help Chao. yes, just one example. we can make it like:
>> --wpc=DOUBLE           // Water precorrection coefficients, and  turn it
>> off by default.
>> But anyway, maybe only my opinion, for other user in the community, maybe
>> it is enough.
>> Thanks again
>> Regards  Guangming
>>
>> *Guangming Zang (Alex)*
>> *King Abdullah University of Science and Technology(KAUST)*
>> *University of Chinese Academy of Sciences(UCAS)*
>>
>>
>>
>>
>> 2015-06-17 19:47 GMT+03:00 Chao Wu <wuchao04 at gmail.com>:
>>
>>> In rtkGgoFunction.h
>>>
>>>   // Water precorrection
>>>   if(args_info.wpc_given)
>>>     {
>>>     std::vector<double> coeffs;
>>>     coeffs.assign(args_info.wpc_arg,
>>> args_info.wpc_arg+args_info.wpc_given);
>>>     reader->SetWaterPrecorrectionCoefficients(coeffs);
>>>     }
>>>
>>> In rtkProjectionsReader.txx
>>>
>>>   // Water coefficients
>>>   if(m_WaterPrecorrectionCoefficients.size() != 0)
>>>     {
>>>
>>> m_WaterPrecorrectionFilter->SetCoefficients(m_WaterPrecorrectionCoefficients);
>>>     m_WaterPrecorrectionFilter->SetInput(output);
>>>     output->ReleaseDataFlagOn();
>>>     output = m_WaterPrecorrectionFilter->GetOutput();
>>>     }
>>>
>>>
>>> So it means by default wpc coefficients are not set at all and thus WPC
>>> filter is bypassed.
>>>
>>> Regards, Chao
>>>
>>> 2015-06-17 18:16 GMT+02:00 Guangming Zang <guangming.zang at kaust.edu.sa>:
>>>
>>>> Hey all,
>>>> i prefer first one, i.e, more detailed command line explanation. i
>>>> wanna compare RTK results to mine, however, sometime the command line and
>>>> flags are not clear .
>>>> For example, in lastest rtkfdk command,  for projection images
>>>> preprocessing, so many command line there.
>>>> And some are turned off  by default  while some are not.  For example,
>>>> what is default value for  --wpc?
>>>>       --wpc=DOUBLE           // Water precorrection coefficients
>>>> Thanks.
>>>> Best regards
>>>> Guangming
>>>> *Guangming Zang (Alex)*
>>>> *King Abdullah University of Science and Technology(KAUST)*
>>>> *University of Chinese Academy of Sciences(UCAS)*
>>>>
>>>>
>>>>
>>>>
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>>>
>>
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>

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