[LON-CAPA-users] gnuplot labels

[James Sullivan]

Disregard this email. I was trying to edit the xml directly and didn't think
to ask the WYSIWIG for help. Seems to be working now. I am NOOB.

> Hi Stuart,
> 
> Thanks for your email. I just tried what you suggested, but to no avail.
> Here is the problem xml code (after removing all the superfluous spaces):
> 
> 
> [snip]
> <problem>
> <script type="loncapa/perl">
> $amplitude = &random(3,5,1);
> for ($x=-6.0; $x<=6.0; $x+=0.05) {
>      push @X,$x;
>      push @Y, $amplitude * sin($x);
> }
> </script>
> <gnuplot font="medium" width="400" grid="on" height="300" border="on"
> fgcolor="x000000" alttag="dynamically generated plot" align="center"
> bgcolor="xffffff" transparent="off">
>      <axis ymin="-6.0" ymax="6.0" xmin="-5.0" xmax="5.0" color="x000000"/>
>      <curve linestyle="lines" pointtype="1" pointsize="1" name="test"
> color="x000000">
>          <data>@X</data>
>          <data>@Y</data>
>      </curve>
> </gnuplot>
> <startouttext/><br/>
> What is the amplitude of this function?
> <endouttext/>
> <numericalresponse answer="$amplitude">
> <responseparam type="tolerance" default="5%" name="tol"
> description="Numerical Tolerance"/>
> <responseparam name="sig" type="int_range,0-16" default="0,15"
> description="Significant Figures"/>
> </numericalresponse>
> </problem>
> [end]
> 
> 
> I don't see any label on my plot. I expected to see "test" as the legend
> for
> the plot. On a related note, when I try to use the <label> tag to
> explicitly
> put a label in the plot, I cannot place it anywhere other than (0,0). I
> have
> tried setting the "location" variables x and y but they have no effect.
> Could you explicitly paste your code in an email and send it to me
> directly?
> Maybe I am just doing something silly..........
> 
> This is loncapa 2.0 on RHEL.
> 
> Thanks for your help, and your patience with all my questions.....
> 
> Jay
> 
> 
> > James,
> >
> > I tried the example from http://help.loncapa.org/fom/cache/150.html in
> my
> > author account (created when I first installed LON-CAPA in January) on
> the
> > VCU library server.  I included a name attribute in the curve tag, and
> it
> > was displayed in the legend correctly, in both web brwoser and in PDF
> > printout.
> >
> > It may be that an extra space before the closing > in one or more XML
> tags
> > are causing the problems in your case.   In order to get the FAQ-o-matic
> > to
> > display LON-CAPA problem XML code in a readable form, an extra space
> > typically was added before the ending > in a tag.  After pasting example
> > code from FAQ-o-matic pages into the LON-CAPA XML editor I always begin
> by
> > removing these spaces to avoid potential rendering problems.
> >
> > Stuart Raeburn
> > MSU LON-CAPA development/support
> >
> > James Sullivan writes:
> >
> > > Loncapers,
> > >
> > >
> > >
> > > Not sure if this is a loncapa, gnuplot, or OS issue. I am trying to
> use
> > the
> > > "name" field in a <gnuplot> to get a label (basically a legend for the
> > > plot).
> > >
> > > No longer seems to work. I am trying the example from
> > >
> > >
> > >
> > > http://help.loncapa.org/cgi-bin/fom?_highlightWords=gnuplot
> > > <http://help.loncapa.org/cgi-bin/fom?_highlightWords=gnuplot&file=150>
> > > &file=150
> > >
> > >
> > >
> > > Help please.
> > >
> > >
> > >
> >
> >
> >
> > _______________________________________________
> > LON-CAPA-users mailing list
> > LON-CAPA-users@mail.lon-capa.org
> > http://mail.lon-capa.org/mailman/listinfo/lon-capa-users
> 
> 
> 
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