Re: GMT5 How to draw a double-headed straight line?

Thanks, Paul
J.

On 6/27/14, 6:01 PM, Paul Wessel wrote:
> You just add +b (for head at beginning) and +e for head at end.  From psxy:
>
> 	     +b to place a vector head at the beginning of the vector [none].
> 	     +e to place a vector head at the end of the vector [none].
>
> So something like -Sv0.25i+b+e and use -G for head color and -W for line.
>
> -p
>
>
> On Jun 27, 2014, at 2:25 PM, John Helly <[email protected]> wrote:
>
>> Hi.
>> I am struggling to draw a double-headed arrow with psxy. I cannot figure out what the documentation says to do. Can someone suggest how that might be done?
>>
>> I can make a curved single-headed line using an example in the doc.
>>
>> J
>>
>> -- 
>> John Helly, University of California, San Diego / San Diego Supercomputer Center / Scripps Institution of Oceanography / 760 840 8660 mobile / stonesteps (Skype) / stonesteps7 (iChat) / http://www.sdsc.edu/~hellyj
>>
>>
>> Mailing list for GMT discussions of all kinds.  If you are not sure you have found a bug, discuss it here first.
>> To formally report bugs or request features, please register and add New Issue on gmt.soest.hawaii.edu
>> To unsubscribe, send the message "signoff gmt-help" to [email protected]
>> Note: gmt-help will become obsolete on Sept 1, 2014 - please use forum on gmt.soest.hawaii.edu instead.
>> <hellyj.vcf>
> Mailing list for GMT discussions of all kinds.  If you are not sure you have found a bug, discuss it here first.
> To formally report bugs or request features, please register and add New Issue on gmt.soest.hawaii.edu
> To unsubscribe, send the message "signoff gmt-help" to [email protected]
> Note: gmt-help will become obsolete on Sept 1, 2014 - please use forum on gmt.soest.hawaii.edu instead.
>
>

-- 
John Helly, University of California, San Diego / San Diego Supercomputer Center / Scripps Institution of Oceanography / 760 840 8660 mobile / stonesteps (Skype) / stonesteps7 (iChat) / http://www.sdsc.edu/~hellyj


Mailing list for GMT discussions of all kinds.  If you are not sure you have found a bug, discuss it here first.
To formally report bugs or request features, please register and add New Issue on gmt.soest.hawaii.edu
To unsubscribe, send the message "signoff gmt-help" to [email protected]
Note: gmt-help will become obsolete on Sept 1, 2014 - please use forum on gmt.soest.hawaii.edu instead.

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