Re: plot,lat,lon [message #61545 is a reply to message #61543] |
Sat, 19 July 2008 06:24   |
Vince Hradil
Messages: 574 Registered: December 1999
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Senior Member |
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On Jul 19, 7:19 am, d.po...@gmail.com wrote:
> On 19 Jul., 03:20, Spon <christoph.b...@gmail.com> wrote:
>
>
>
>> On Jul 19, 10:58 am, d.po...@gmail.com wrote:
>
>>> Folks
>
>>> I want to plot lat, lon in plot (actually it is rivers coordinates)
>>> when I put them in *plot* ends of the branches are connected to
>>> beginning of another branch (I want each branch be separate). Does
>>> anybody know how to fix it?
>>> Any help?
>
>>> Cheers
>
>> Is this what you mean?
>
>> Plot, [0,1], /NoData, XRange=[MinLon, MaxLon], YRange=[MinLat, MaxLat]
>> OPlot, *Each river separately*
>
>> Chris
>
> no for example if you plot this two column:
>
> 531607,8642 3406573,946
> 530567,965 3401814,358
> 531187,9049 3401014,427
> 531187,9049 3401014,427
> 530567,965 3401814,358
> 529428,0755 3400194,498
> 528728,1434 3399374,569
> 528728,1434 3399374,569
> 528268,188 3399074,595
> 526928,3179 3398014,687
> 533027,7265 3392115,198
> 533027,7265 3392115,198
> 534247,6082 3390675,322
> 534247,6082 3390675,322
> 526928,3179 3398014,687
> 524808,5234 3397194,758
> 524168,5855 3396354,831
> 524528,5506 3396054,857
> 525248,4808 3395334,919
> 527988,2151 3391255,272
> 530427,9786 3389015,466
> 531467,8777 3387595,589
> 532367,7905 3387475,599
> 532367,7905 3387475,599
> 536227,4162 3383855,913
> 536227,4162 3383855,913
> 531467,8777 3387595,589
> 530427,9786 3389015,466
> 527988,2151 3391255,272
> 525248,4808 3395334,919
> 524528,5506 3396054,857
> 524168,5855 3396354,831
> 524168,5855 3396354,831
> 524808,5234 3397194,758
> 522408,7561 3400314,488
> 521888,8065 3400734,452
> 521888,8065 3400734,452
> 521768,8181 3401214,41
> 521768,8181 3401214,41
> 521248,8686 3402414,306
> 520808,9112 3402694,282
> 520808,9112 3402694,282
> 521248,8686 3402414,306
> 522408,7561 3400314,488
> 528268,188 3399074,595
> 529428,0755 3400194,498
>
> you will see this problem arises.
> Cheers
> Dave
Your going to need to tell IDL when the rivers end and begin. The
program has no way of knowing. Then use Chris's suggestion.
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