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PSVELO
by JPGeo
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Hi all,
Iḿ trying to use psvelo to relocate epicenters of earthquakes. I have the coordinates before and after the relocation. How can i use the psvelo to plot this data? Thanks -- João Rocha To unsubscribe, send the message "signoff gmt-help" to listserv@... |
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Re: PSVELO
by Milton P. Plasencia Linares
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Hi,
Because you do not use psxy? Cheers, ********************************** Milton P. PLASENCIA LINARES Dipartimento Centro di Ricerche Sismologiche Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS Borgo Grotta Gigante 42/C (34010) Sgonico - TRIESTE - ITALIA Tel: +39-040-2140305 Fax: +39-040-327307 E-mail: mplasencia@... ASAIN (Antarctic Seismographic Argentinean Italian Network) ********************************* Quoting "Joao Rocha" <joaopedro.geo@...>: > Hi all, > > Iḿ trying to use psvelo to relocate epicenters of earthquakes. I have the > coordinates before and after the relocation. How can i use the psvelo to > plot this data? > > Thanks > > -- > João Rocha > > To unsubscribe, send the message "signoff gmt-help" to listserv@... > > > > Email secured by **CeSIT** Check Point gateway > > ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program. To unsubscribe, send the message "signoff gmt-help" to listserv@... |
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Re: PSVELO
by Benjamin C. Horner-Johnson-2
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On Sun, 8 Nov 2009, Joao Rocha wrote:
> I'm trying to use psvelo to relocate epicenters of earthquakes. I have the > coordinates before and after the relocation. How can i use the psvelo to > plot this data? You could use psxy to plot the data. If these are moment tensors, you can use psmeca to plot the beachball on the relocated epicenter and draw a line to the original location (specify original location as lat/lon and then in the last two columns specify the lat/lon of the relocation). These differences may not be large enough to show up given the size of the beachball, however. You could set up multi-segment files with the pairs of locations for each epicenter as one segment, then use psxy to plot lines and it will draw lines between the before and after. Use separate files (or some fancy awk work) to plot different symbols for the before and after locations. Plot these after the lines. Hope this helps... Ben Horner-Johnson ben@... To unsubscribe, send the message "signoff gmt-help" to listserv@... |
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Re: PSVELO
by JPGeo
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Hi,
I used psxy to plot the epicenters of located and relocated earthquakes, but what i want to do now is to plot the "vector displacement" with arrows to where they were relocated. What i'm using is simply pairs of coordinates (location-relocation) and that should work, but i'm not being able to sucssefully plot it... Thanks any way. 2009/11/8 Milton P. Plasencia Linares <mplasencia@...> Hi, -- João Rocha To unsubscribe, send the message "signoff gmt-help" to listserv@... |
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Re: PSVELO
by Benjamin C. Horner-Johnson-2
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Quoting Joao Rocha <joaopedro.geo@...>:
> I used psxy to plot the epicenters of located and relocated earthquakes, but > what i want to do now is to plot the "vector displacement" with arrows to > where they were relocated. > What i'm using is simply pairs of coordinates (location-relocation) and that > should work, but i'm not being able to sucssefully plot it... You should be able to use psxy -Svs to plot the vector from the start (columns 1 and 2) to the end (columns 3 and 4). Put the location as the start and relocation as the end and it should work, unless you're using a version of GMT that doesn't have that option (in which case, you should update GMT). Ben Horner-Johnson ben@... To unsubscribe, send the message "signoff gmt-help" to listserv@... |
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