Re: [fluka-discuss]: Flair plot

From: Andrea Fontana <andrea.fontana_at_pv.infn.it>
Date: Sun, 17 Sep 2017 18:18:00 +0200

Hi Vladimir,
   as a further suggestion, you can double check that the cosine directors
of your primary particle are normalized to 16 digits. See also this thread:

http://www.fluka.org/web_archive/earchive/new-fluka-discuss/5548.html

Andrea


Il 17/09/2017 13:59, Vladimir Fedorov ha scritto:
> Dear Andrea!
> I am afraid I cannot change something in phantom geometry. According
> to your advice, I established accuracy 0.000000000000000001, but it
> gave nothing. I do not know what is meant by messages of type
>  GEOFAR, TXYZ:  1.00000000000157
>   0.908744336113728     0.367908717465991 0.197045444496685
>     Nfrom, Nreg, X, Y, Z    1001      18
>    21.0598161934152      23.2345259174596 35.0710322027638
>  Jtrack, Etrack     8 0.939700069335334
>        1800                 10200 10200             4.8625158E-02
> 1.0000000E+30              5310
> but there are no error messages.
> Of course, I can receive the necessary picture without Flair, but
> nevertheless...
> --
> Best regards
> Vladimir Fedorov
> 17.09.2017, 11:44, "Andrea Fontana" <andrea.fontana_at_pv.infn.it>:
>>
>> Hi Vladimir,
>>      OK, even if your are able to visualize the geometry correctly, a
>> GEOFAR error
>> usually indicates a problem in the geometry. In your case you have many
>> volumes and there
>> can be an accuracy problem in the definition of boundaries between them.
>> Inspecting the
>> .err file, you find for instance this message:
>>
>>   Geofar: Particle in region     2 (cell #    0) in position
>> -1.000000000E-11  2.100900010E+01 6.253070334E-02
>>    is now causing trouble, requesting a step of  4.659204660E+01 cm
>>    to direction  1.000000000E+00  0.000000000E+00 0.000000000E+00,
>> error count:  0
>>    R2:  2.100900010E+01 R3:  2.100909316E+01 cm
>>    X*U   (2D): -1.000000000E-11 X*U   (3D): -1.000000000E-11 cm
>>    X*UOLD(2D):  0.000000000E+00 X*UOLD(3D):  0.000000000E+00 cm
>>    Kloop:          4, Irsave:      2, Irsav2:      2, error code: -3
>> Nfrom: *****
>>    old direction  0.000000000E+00  0.000000000E+00 0.000000000E+00,
>> lagain, lstnew, lsense, lsnsct  F  F  F  F
>>    Particle index    0 total energy   0.000000000E+00 GeV  Nsurf 0
>>   We succeeded in saving the particle:  current region is n.     4 (cell
>> #    0)
>>
>> and see that FLUKA has problems in tracking particles from position XYZ
>> to direction ABC
>> by a step of S. The error position is given by the vector operation: XYZ
>> + S * ABC.
>> You can do the following:
>>
>> 1. check the volume corresponding to the error position computed as
>> above;
>> 2. increase as much that you can the precision in the definition of your
>> geometry,
>>     switching maybe to free format (comma separated WHATs) to have more
>> than 10 digits precision;
>> 3. reduce a bit WHAT(2) in GEOBEGIN (see manual): this is a parameter
>> used to define
>>     the boundaries position while tracking and in your case the default
>> might need to
>>     be readjusted;
>> 4. activate the geometry debugger around the error point ith the GEOEND
>> card (see manual).
>>
>> Hope this helps!
>> Andrea
>>
>> Il 17/09/2017 10:18, Vladimir Fedorov ha scritto:
>>
>>  Dear Andrea!
>>  I do not think that it is mistakes in Fluka geometry. Calculations
>>  take place without mistakes.
>>  Mistakes generate Flair+GEOFAR.
>>  I can show the page of geometry Flair. There everything is correct.
>>  --
>>  Best regards
>>  Vladimir Fedorov
>>  17.09.2017, 10:38, "Andrea Fontana" <andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>:
>>
>>  Hello Vladimir,
>>       I have looked at your files and it seems to me that
>> there are
>>  errors in your
>>  geometry (I do not have the voxels file and cannot further
>> investigate
>>  nor reproduce
>>  your error). Please check at the end of the
>> flairbvvDJY001.out file:
>>
>>    Abort called from GEOFAR reason  TOO MANY ERRORS IN
>> GEOMETRY: STOP Run
>>  stopped!
>>    STOP  TOO MANY ERRORS IN GEOMETRY: STOP
>>
>>  Best regards,
>>  Andrea
>>
>>
>>  Il 16/09/2017 19:57, Vladimir Fedorov ha scritto:
>>
>>       --
>>       Best regards
>>       Vladimir Fedorov
>>       Dear Andrea!
>>       I cleaned all fields at Flair Plot, setup all auto, and
>> got as a
>>       result the same picture without contours and some
>> Flair's files
>>      (look
>>       at temp.zip).
>>       --
>>       Best regards
>>       Vladimir Fedorov
>>       16.09.2017, 17:25, "Andrea Fontana"
>> <andrea.fontana_at_pv.infn.it <mailto:andrea.fontana_at_pv.infn.it>
>>      <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>>:
>>
>>           Hi Vladimir,
>>              I see that you use the geometry Red (front view) at
>>          position 21.
>>           You can try "Auto" and the geometry should be
>> visible also
>>          with the log
>>           scale.
>>
>>           Andrea
>>
>>           Il 16/09/2017 15:47, Федоров Владимир ha scritto:
>>
>>                Dear Andrea!
>>                Yes, I find Aspect under Title. Thank you.
>>                I can show Flair screen (see attachment))
>>                16.09.2017, 16:15, "Andrea Fontana"
>>          <andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>
>> <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>
>>               <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>
>>          <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>>>:
>>
>>                    Dear Vladimir,
>>
>>                    1. Have you tried to set the Geometry Use
>> options
>>          (bottom
>>                   right in the
>>                    plot panel) to "Auto"
>>                        or to the name of your project?
>>
>>                    2. If you click on "Title" in the plot
>> panel, extra
>>          options
>>                   will be
>>                    available: here you can
>>                        force an aspect ratio 1 or select
>> "Auto" to let
>>          Flair do
>>                   it for you.
>>
>>                    Cheers,
>>                    Andrea
>>
>>                    Il 16/09/2017 10:45, Vladimir Fedorov ha
>> scritto:
>>
>>                         Dear Flair experts!
>>                         I have two questions of drawing in Flair.
>>                         1. Why at setting of the linear scale
>> of sizes
>>          I can
>>                   receive the
>>                         picture with contours of bodies
>> (pict1.png).
>>          But if to
>>                   establish
>>                        a log
>>                         chart, then contours disappear
>> (pict2.png).
>>          How to keep
>>                   a contours?
>>                         2. When drawing with identical sizes
>> on axes
>>          (square)
>>                   the picture
>>                         looks oblate down. How to correct it?
>>                         I thank for the help.
>>                         --
>>                         Best regards
>>                         Vladimir Fedorov
>>                         --
>>                         Best regards
>>                         V.Fedorov
>>
>>                    --
>>                    ========================================================================
>>                    Dr. Andrea Fontana tel: +39 0382 987991
>>                    Istituto Nazionale fax: +39 0382 423241
>>                    di Fisica Nucleare
>>                    Sezione di Pavia e-mail:
>> andrea.fontana_at_pv.infn.it <mailto:andrea.fontana_at_pv.infn.it>
>>          <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>
>>                   <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>
>>          <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>>
>>                    <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>
>>          <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>
>>                   <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>
>>          <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>>>
>>                    Via Bassi 6 web : www.pv.infn.it/~fontana
>> <http://www.pv.infn.it/%7Efontana>
>>          <http://www.pv.infn.it/%7Efontana>
>>                   <http://www.pv.infn.it/%7Efontana>
>>                    <http://www.pv.infn.it/%7Efontana>
>>                    27100 PAVIA, Italy
>>                    ========================================================================
>>
>>                --
>>                Best regards
>>                V.Fedorov
>>
>>           --
>>           ========================================================================
>>           Dr. Andrea Fontana tel: +39 0382 987991
>>           Istituto Nazionale fax: +39 0382 423241
>>           di Fisica Nucleare
>>           Sezione di Pavia e-mail: andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>
>>          <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>
>>           <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>
>>          <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>>
>>           Via Bassi 6 web : www.pv.infn.it/~fontana
>> <http://www.pv.infn.it/%7Efontana>
>>          <http://www.pv.infn.it/%7Efontana>
>>           <http://www.pv.infn.it/%7Efontana>
>>           27100 PAVIA, Italy
>>           ========================================================================
>>
>>       --
>>       Best regards
>>       V.Fedorov
>>
>>  --
>>  ========================================================================
>>  Dr. Andrea Fontana tel: +39 0382 987991
>>  Istituto Nazionale fax: +39 0382 423241
>>  di Fisica Nucleare
>>  Sezione di Pavia e-mail: andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>
>>  <mailto:andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>>
>>  Via Bassi 6 web : www.pv.infn.it/~fontana
>> <http://www.pv.infn.it/%7Efontana>
>>  <http://www.pv.infn.it/%7Efontana>
>>  27100 PAVIA, Italy
>>  ========================================================================
>>
>>  --
>>  Best regards
>>  V.Fedorov
>>
>> --
>> ========================================================================
>> Dr. Andrea Fontana tel: +39 0382 987991
>> Istituto Nazionale fax: +39 0382 423241
>> di Fisica Nucleare
>> Sezione di Pavia e-mail: andrea.fontana_at_pv.infn.it
>> <mailto:andrea.fontana_at_pv.infn.it>
>> Via Bassi 6 web : www.pv.infn.it/~fontana
>> <http://www.pv.infn.it/%7Efontana>
>> 27100 PAVIA, Italy
>> ========================================================================
>>
> --
> Best regards
> V.Fedorov

-- 
========================================================================
Dr. Andrea Fontana                    tel: +39 0382 987991
Istituto Nazionale                    fax: +39 0382 423241
di Fisica Nucleare
Sezione di Pavia                      e-mail: andrea.fontana_at_pv.infn.it
Via Bassi 6                           web   : www.pv.infn.it/~fontana
27100 PAVIA, Italy
========================================================================
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Received on Sun Sep 17 2017 - 19:32:53 CEST

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