Date: Thu, 29 Nov 2012 19:44:47 -0500 (EST)
From: Jun-Hui Zhao 
To: Laurence Sabin 
Cc: smamiriad@cfa.harvard.edu
Subject: Re: Display polarization vectors from different cut levels with Miriad


Dear Laurence,
    cgdisp was written by Neil Killeen, a complicated graphic routine.
We will review it and give you suggestion asap.
    JHZ

On Thu, 29 Nov 2012, Laurence Sabin wrote:

> Dear Jun-Hui Zhao,
>
> I am using Miriad in polarization mode and I would like to plot
> polarization vectors from different cuting levels on the same polarization
> map (the vectors could be differentiated by their color).
>
> For a single cut level I used the following routine:
>
> set dev=$source'_'$sb'_'mag.ps/cps
> cgdisp in=$source.$sb.i.cm,$source.$sb.poli,$source.$sb.polm,$source.$sb.pa\
>         type=c,pix,amp,ang device=$dev \
>         labtyp=arcsec options=full,mirror,blacklab,wedge,beambl,rot90 \
>         vecfac=2.0,3.0,3.0,0.03 cols1=0.5 \
>         range=0,0,lin,1 slev=p,10 levs1=-0.5,0.5,1,2,3,4,5,6,7,8,9  \
>         lines=2,2,4 region=$disreg
 >
> Now as I also produced $source.$sb.polm.3s and $source.$sb.pa.3s (for
> another cut level) : how can I modify this routine to take into account the
> new polarization percentages and angles, and draw the corresponding vectors
> in the previous map ? I tried to add the new files in the input line (in=)
> but the result is not quite right!
>
> Thanks in advance,
>
> Laurence
>
> ----------------------------------------------------
> Dr. Laurence Sabin
> Institute of Astronomy and Meteorology
> University of Guadalajara
> Av. Vallarta N� 2602, Col. Arcos Vallarta C.P. 44130
> Guadalajara, Jalisco, M�xico.
> Phone: (+52)(33) 3616-4937 ext 113
> Fax: (+52)(33) 3615-9829
> Mailto: lsabin@astro.iam.udg.mx
> Mailto: laurence.sabin@gmail.com
> ----------------------------------------------------
>