Bob,

I have come to realize that you can control the color of the Ramachandran
plot by placing the color command after the ramachandran command.

I want to do two or more plots, set their color to unique values and then
overlay their display.  I have tried using the following script after making
plots in frames 2.1 & 4.1, but nothing is displayed.  Does the frame all;
display (*/n, */p) commands work with decimal values?  The last three lines
(between the #'s) are not part of the script that I run.

frame 2.1
select  all 
color red # Even when unique colors are set at the time of plot
construction, they revert to color structure and have to be re-set.  If I
run 'frame 2.1;  display all' after the plot is constructed, I have to
insert the color command to control the color of the plotted spheres.
frame 4.1
select  all 
color gold
frame all
display  ( */2 or */4 )
# 
2073 atoms hidden
select  all 
color structure
#

Karl


>
>>>> Bob Hanson <[EMAIL PROTECTED]> 9/27/2007 5:12 PM >>>
>let's talk about what you expect to see and what actually happens. For 
>example, I can see how if there were a ramachandran button on the page, 
>that would get pressed over and over. Now, it is possible that sometimes 
>one would have multiple plots. Perhaps there should be some automatic 
>way that for a given selection there is only ONE ramachandran frame. I 
>don't know....
>
>Karl Oberholser wrote:
>
>> Bob,
>> I thought that possibly the default was color structure, and I get 
>> those colors some times, but other times instead of getting gold for 
>> sheets I get white, blue and pink.
>>  
>> My concern several weeks ago was that when a button is pressed 
>> multiple times the axis are not displayed.  I have come to realize 
>> that each additional time the plot is made only the data points are 
>> put on the new frame.  The axis are not drawn on the additional frames.
>>  
>> Karl
>>
>>
>> >>> Bob Hanson <[EMAIL PROTECTED]> 9/26/2007 2:39 PM >>>
>> Karl Oberholser wrote:
>>
>> > What, if anything, determines the color of the spheres in the
>> > Ramachandran plot or is it completely random?
>>
>> I think the default is "color structure" so pink is helix, gold is
>> sheet, and blue is turn, and white is other. The dots are just atoms,
>> and they correspond specifically to the C-alpha carbons of the
peptides.
>>
>> Karl, I think you mentioned something a while back about axes. I
haven't
>> looked into that, but if you want to work with me on this, I could
>> start. Really the Ramachandran plots are very new -- a direct outgrowth
>> of this summer's Gordon Research Conference on Visualization that I
>> attended. You are probably the first to try anything with them, and I
>> would expect there could be all sorts of modifications that need to be
>> done regarding them. I do feel that they are just "sketched out " in
the
>> code. Lots of room for improvement.
>>
>> One thing I introduced with the Ramachandran plots was the concept of a
>> "dataframe" -- a frame that doesn't rotate with the other models but
>> instead has its own independent rotational character. It was tested
>> some, but not fully. I know I need to think about that some more.
>>
>> Bob
>>
>> > 
>> > Karl
>> > 
>> > 
>> > 
>> > Karl M. Oberholser, Ph.D.         Phone:
>> > Professor of Chemistry                 Voice: 717-766-0512
>> > Chemistry & Biochemistry Dept.   Fax: 717-691-6046
>> > Messiah College                        e-mail: [EMAIL PROTECTED] 
>> > P.O. Box 3049      & nbsp;              
>> > One College Avenue
>> > Grantham, Pa 17027
>> >                      
>> >
>>
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>>
>>
>> -- 
>> Robert M. Hanson
>> Professor of Chemistry
>> St. Olaf College
>> Northfield, MN
>> http://www.stolaf.edu/people/hansonr 
>>
>>
>> If nature does not answer first what we want,
>> it is better to take what answer we get.
>>
>> -- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
>>
>>
>>
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>
>
>-- 
>Robert M. Hanson
>Professor of Chemistry
>St. Olaf College
>Northfield, MN
>http://www.stolaf.edu/people/hansonr 
>
>
>If nature does not answer first what we want,
>it is better to take what answer we get. 
>
>-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
>
>
>
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