[metapost] bullet placement: document mpgraph.pdf

[Yogeshwarsing Calleecharan]

Yes it works fine now. Ok, I shall give a full example next time.

Thank you for the answer.

With Best Regards,
Y.Calleecharan

On 6/10/2012 3:50 AM, Dan Luecking wrote:
> At 05:53 AM 6/9/2012, you wrote:
>> Hi,
>>     I am looking at the document mpgraph.pdf:
>>
>> http://www.tug.org/docs/metapost/mpgraph.pdf
>>
>> and on page 3 it is shown how to just have bullets instead of lines 
>> in a graph. In particular, for proper placement of the bullets at the 
>> coordinates centre the following command is given:
>>
>> def MPbullet =
>> btex \lower\fontdimen22\cmsy \hbox to 0pt{\hss\cmsy\char15\hss} etex
>> enddef;
>
> This is an error in mpgraph.pdf. Replace \cmsy with \tensy
> in both occurances. Make sure plain tex is used to make the
> labels. For smaller bullets, you can use \sevensy or \fivesy.
>
>> However this is not working. I have the lates TexLive and Metapost 
>> 1.504. Here is the error message:
>
> Mpost by default does not provide much information on problems
> with TeX labels. You might want to give it the --debug option:
>   mpost --debug  plot.mp
> This leaves behind the temporary tex-related files and you
> can find (as I did) from the .log file, that \cmsy is undefined.
>
> Note: When reporting problems, you should include in your email
> a short (but complete) file that gives you the problem. The file
> that works for me is:
> % plot.mp
> input graph;
> def MPbullet =
>   btex \lower\fontdimen22\tensy \hbox to 0pt{\hss\tensy\char15\hss} etex
> enddef;
> beginfig(1);
>   draw begingraph(3in,2in);
>     gdraw "agepop91.d" plot MPbullet;
>   endgraph;
> endfig;
> end
> % end of plot.mp
>
> You also need to run mpost in a directory that contains the
> data file agepop91.d. Oddly enough, I didn't get any complaints
> from mpost about the missing file before I did that.
>
>> ... If you don't know why I had trouble,
>> try running it manually through MPtoTeX, TeX, and DVItoMP
>
> This part of mpost's help message has been somewhat misleading
> for a while now. There is no program MPtoTeX anymore (at least
> not in either TeX Live 2011 or 2012). The --debug option,
> followed by an examination of the .log files, is the only way
> I know of to see where the trouble lies.
>
> Also DVItoMP does not exist as a separate program (again, at
> least not in TeX Live).
>
> Dan
>
>
> Daniel H. Luecking
> Department of Mathematical Sciences
> Fayetteville, Arkansas
> http://www-cs-faculty.stanford.edu/~knuth/iaq.html
> -- 
> http://tug.org/metapost/