Re: x2sys confusion

Thank you very much, Paul.



2014/1/2 Paul Wessel <[email protected]>

> Thanks for the report.  There were two issues:
> 1) the multi-segment support had a bug when assigning segment numbers
> 2) there were no support for 360-degree wrapping
>
> I have addressed these problems in r12693 (GMT5) and r10174 (GMT4).
>  Attached is revised output figure.
> -p
>
> On Jan 1, 2014, at 4:24 PM, 杨磊 <[email protected]> wrote:
>
> Dear community,
>
> I use the GMT x2sys to calculate crossover of some tracks, but error
> happens.
> here is the confusing result <trackshy2.png>
>
> two crossover points are right, but others near the equator are wrong.
> The data and def file were attached.
> the codes are :
> gmt x2sys_init CROSSHY2 -Dxys -V -I1 -Cg -Etxt -Gg -Ndk -Wd8 -F
> gmt x2sys_cross -TCROSSHY2 srl_test_gdr005.txt -Qi -W5 -Ia -V2 >
> COE_orig.txt
> gmt psbasemap -Rd -JQ4i -P -K -Bxa60 -Bya10g10 -BWSen >trackshy2.ps
> gawk "NR>4 {print $1,$2,$11}" COE_orig.txt > data.d
> gmt psxy -R -J -O -K  data.d -Sc0.2i  >> trackshy2.ps
> gmt psxy srl_test_gdr005.txt -Sc0.01c -R  -J -P -O  >>trackshy2.ps
>
>
> So, where is the point ? the GMT is 5.1.0
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> [email protected] <srl_test_gdr005.txt><xys.def>
>
>
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