Hi Edward.

As I remember, the plotting utility will also call this code.

And that that give problems with On-resonance models, but as I recall,
the plotting of R2eff model also give problems.

You can try to flip to raising an Error instead, and see the problems arise.

Best
Troels

2014-08-18 10:19 GMT+02:00 Edward d'Auvergne <[email protected]>:
> Hi Troels,
>
> Would it not be better to raise a RelaxError in both cases?  Or maybe
> make a 3rd case - setting the value to 0.0 only makes sense in the
> on-resonance R1rho models or CPMG models.  However in both these model
> categories, R1 is not used anyway (in the future for certain CPMG
> numeric models, this might change when off-resonance effects are
> modelled).  So for the M61 models, for example, these checks are
> skipped.  A special variable for on-resonace R1rho models could be
> created for this.  But for off-resonance R1rho models, setting R1 to
> 0.0 is just bad!  I added this for helping in the development of the
> code, but is it a terrible kludge that should be eliminated.  It will
> only result in relax users making mistakes in their analyses.
>
> Regards,
>
> Edward
>
>
>
> On 4 August 2014 16:27,  <[email protected]> wrote:
>> Author: tlinnet
>> Date: Mon Aug  4 16:27:49 2014
>> New Revision: 24932
>>
>> URL: http://svn.gna.org/viewcvs/relax?rev=24932&view=rev
>> Log:
>> Modified return_r1_data(), to be dependent on fitting model.
>>
>> sr #3135(https://gna.org/support/?3135): Optimisation of the R1 relaxation 
>> rate for the off-resonance R1rho relaxation dispersion models.
>>
>> Modified:
>>     branches/R1_fitting/specific_analyses/relax_disp/data.py
>>
>> Modified: branches/R1_fitting/specific_analyses/relax_disp/data.py
>> URL: 
>> http://svn.gna.org/viewcvs/relax/branches/R1_fitting/specific_analyses/relax_disp/data.py?rev=24932&r1=24931&r2=24932&view=diff
>> ==============================================================================
>> --- branches/R1_fitting/specific_analyses/relax_disp/data.py    (original)
>> +++ branches/R1_fitting/specific_analyses/relax_disp/data.py    Mon Aug  4 
>> 16:27:49 2014
>> @@ -4031,65 +4031,78 @@
>>      # Initialise the data structure.
>>      r1 = -ones((spin_num, field_count), float64)
>>
>> +    # Set testing flags.
>> +    flags = [False]*field_count
>> +
>>      # Check for the presence of data.
>> -    if not hasattr(cdp, 'ri_ids'):
>> +    if not hasattr(cdp, 'ri_ids') and spins[0].model not in  
>> MODEL_LIST_R1RHO_FIT_R1:
>>          warn_text = "No R1 relaxation data has been loaded.  Setting it to 
>> 0.0.  This is essential for the proper handling of offsets in off-resonance 
>> R1rho experiments."
>>          error_text = "No R1 relaxation data has been loaded.  This is 
>> essential for the proper handling of offsets in off-resonance R1rho 
>> experiments."
>>          if has_r1rho_exp_type():
>> -            # Spin loop.
>> -            for si in range(spin_num):
>> -                # Assign spin.
>> -                spin=spins[si]
>> -
>> -                # For all R1rho models using R1, raise an error, if R1 has 
>> not been loaded.
>> -                if spin.model in MODEL_LIST_R1RHO_W_R1:
>> -                    raise RelaxError(error_text)
>> -
>> -                # For all R1rho models fitting R1, raise an error, set 
>> value to None.
>> -                elif spin.model in MODEL_LIST_R1RHO_FIT_R1:
>> -                    warn_text = "No R1 relaxation data has been loaded.  
>> Setting it to None.  This is essential for the proper handling of offsets in 
>> off-resonance R1rho experiments."
>> -                    warn(RelaxWarning(warn_text))
>> -                    for mi in range(field_count):
>> -                        r1[si, mi] = None
>> -
>> -                # For all models not listed in R1rho models, raise a 
>> warning, and set 0.0 as value.
>> -                else:
>> -                    warn(RelaxWarning(warn_text))
>> -                    r1[si] = 0.0 * r1[si]
>> +            # For all R1rho models using R1, raise an error, if R1 has not 
>> been loaded.
>> +            if spins[0].model in MODEL_LIST_R1RHO_W_R1:
>> +                raise RelaxError(error_text)
>> +
>> +            # For all models not listed in R1rho models, raise a warning, 
>> and set 0.0 as value.
>> +            else:
>> +                warn(RelaxWarning(warn_text))
>> +                r1 = 0.0 * r1
>>
>>          # For all non-R1rho experiments, return 0.0.
>>          else:
>>              r1 = 0.0 * r1
>>
>> -        # Return r1
>> +        # Return the data.
>>          return r1
>>
>> -    # Loop over the Rx IDs.
>> -    flags = [False]*field_count
>> -    for ri_id in cdp.ri_ids:
>> -        # Only use R1 data.
>> -        if cdp.ri_type[ri_id] != 'R1':
>> -            continue
>> -
>> -        # The frequency.
>> -        frq = cdp.spectrometer_frq[ri_id]
>> -        mi = return_index_from_frq(frq)
>> -
>> -        # Flip the flag.
>> -        flags[mi] = True
>> -
>> +    # For all R1rho models fitting R1.
>> +    elif spins[0].model in MODEL_LIST_R1RHO_FIT_R1:
>>          # Spin loop.
>>          for si in range(spin_num):
>> -            # FIXME:  This is a kludge - the data randomisation needs to be 
>> incorporated into the dispersion base_data_loop() method and the standard 
>> Monte Carlo simulation pathway used.
>> -            # Randomise the R1 data, when required.
>> -            if sim_index != None and (not hasattr(spins[si], 'ri_data_sim') 
>> or ri_id not in spins[si].ri_data_sim):
>> -                randomise_R1(spin=spins[si], ri_id=ri_id, N=cdp.sim_number)
>> -
>> -            # Store the data.
>> -            if sim_index != None:
>> -                r1[si, mi] = spins[si].ri_data_sim[ri_id][sim_index]
>> -            else:
>> -                r1[si, mi] = spins[si].ri_data[ri_id]
>> +            # Assign spin:
>> +            spin = spins[si]
>> +
>> +            # Loop over exp type and frq.
>> +            for exp_type, frq, ei, mi in loop_exp_frq(return_indices=True):
>> +                # Assign key
>> +                r20_key = generate_r20_key(exp_type=exp_type, frq=frq)
>> +
>> +                # If no data is available.
>> +                if len(spin.r1_fit) == 0:
>> +                    r1[si, mi] = None
>> +
>> +                else:
>> +                    r1[si, mi] = spin.r1_fit[r20_key]
>> +
>> +                # Flip the flag.
>> +                flags[mi] = True
>> +
>> +    else:
>> +        # Loop over the Rx IDs.
>> +        for ri_id in cdp.ri_ids:
>> +            # Only use R1 data.
>> +            if cdp.ri_type[ri_id] != 'R1':
>> +                continue
>> +
>> +            # The frequency.
>> +            frq = cdp.spectrometer_frq[ri_id]
>> +            mi = return_index_from_frq(frq)
>> +
>> +            # Flip the flag.
>> +            flags[mi] = True
>> +
>> +            # Spin loop.
>> +            for si in range(spin_num):
>> +                # FIXME:  This is a kludge - the data randomisation needs 
>> to be incorporated into the dispersion base_data_loop() method and the 
>> standard Monte Carlo simulation pathway used.
>> +                # Randomise the R1 data, when required.
>> +                if sim_index != None and (not hasattr(spins[si], 
>> 'ri_data_sim') or ri_id not in spins[si].ri_data_sim):
>> +                    randomise_R1(spin=spins[si], ri_id=ri_id, 
>> N=cdp.sim_number)
>> +
>> +                # Store the data.
>> +                if sim_index != None:
>> +                    r1[si, mi] = spins[si].ri_data_sim[ri_id][sim_index]
>> +                else:
>> +                    r1[si, mi] = spins[si].ri_data[ri_id]
>>
>>      # Check the data to prevent user mistakes.
>>      for mi in range(field_count):
>>
>>
>> _______________________________________________
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>
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