Edward,
ticket #13 open.

As for the following:

> Did you have to rename the file to remove the '#' character?

yes

> The code
> in the relax repository will now catch this in the structure.read_pdb
> user function and block that character with a RelaxError.  It might be
> a month before I can release relax 4.1.2 with the fixes though, as I
> am about to go on a 3 week holiday.

good for you!

> The "Apply" button was added as there are cases where users will load
> multiple PDB files, one after the other.  From the details in the bug
> #12 report, I guess this is in the spin loading wizard.  So one user
> case here is that the user will want the atomic position data
> structure for the spin to be a list of positions, one for each of a
> set of models.  If the structural models are in separate files, which
> can sometimes be the case, then they would select the first file,
> click 'Apply', select the second file, click 'Apply', and so forth.
> This cannot be used in a model-free analysis, but it is used in the
> N-state or ensemble analyses and frame order analyses (which can
> actually be run from the GUI, despite it being not obvious).

I understand, and one just has to remember when to use either one of the 
options, which is easy

> Catching the same file being loaded twice is also not an option, as
> this is also a valid operation in relax.  This is often used to
> generate a distribution or ensemble of structures.  You load the same
> structure X times and then execute user functions that will modify
> each structure individually.

OK

> Maybe something that could help would be to improve the tooltips for
> these buttons.  I see that the current wizard tooltips are not very
> informative:
> 
>    - Back: "Return to the previous page".
>    - Apply:  "Apply the operation".
>    - Skip:  "Skip the operation".
>    - Next:  "Move to the next page"
>    - OK:  "Accept the operation".
>    - Finish:  "Accept the operation"
>    - Cancel:  "Abort the operation"
> 
> Note this text is to cover both individual user function windows and
> wizards.  And for wizards, it covers both user function wizard pages
> and custom wizard pages (e.g. the first page of the spin loading
> wizard).  Maybe these could be improved:
> 
>    - Back (multiple page wizard): "Return to the previous page".
>    - Apply (single page wizard):  "Apply the operation and leave the
> window open".
>    - Apply (multiple page wizard):  "Apply the operation and stay on
> the current page".
>    - Skip (multiple page wizard):  "Skip the operation and move to
> the next page".
>    - Next (multiple page wizard):  "Apply the operation and move to
> the next page"
>    - OK (single page wizard):  "Apply the operation and close the window".
>    - Finish (multiple page wizard):  "Apply the operation and close the 
> wizard"
>    - Cancel (single page wizard):  "Abort the operation and close the window"
>    - Cancel (multiple page wizard):  "Abort the operation and close the 
> wizard"
> 
> I don't see another way to do this without removing useful
> functionality from relax.

thanks for explaining, HTH,
Stefano




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