[GRASS-user] Re: Re: How to draw the earthquake-magtintude map...

[SGW00412 at nifty.com]

Dear Sitnsu and all

Thank you for good advice.

Now, I trouble about legend of magnitude - circle.
Though grass had command 'd.legend!', this is raster only....
I will draw some cicles in the same point related to dummy data of magnitude.

Best

Yasuo shimada
---
Sitansu pattnaik <sitansu at gmail.com>さん：
> Not sure if it has already been suggested but you could create buffers
> with radius defined by the magnitude of the
> quake(http://grass.osgeo.org/gdp/html_grass64/v.buffer.html
> "bufcolumn" can be used ). You could then color the circles.
> Sitansu
> 
> 2011/6/20  <sgw00412 at nifty.com>:
> > Dear Hamish and all
> >
> > Than you for some useful advices.
> >
> > I done upgrade grass versio from 6.4.0 to 6.4.1.
> >
> >> try upgrading to 6.4.1, and the size_column= option should
> >> start to work. (n.b. adding this option was actually inspired by
> >> the desire to vary symbol size for earthquake plots)
> >
> >> also you will find in GRASS 6.4.1 the new extra/ring symbol,
> >> which is similar to basic/circle with fill_color=none, but
> >> allows the dynamic color setting to colorize the border line,
> >> not the fill area. (so the fill area does not mask smaller quakes
> >> at close epicenters)
> >
> > great !
> >
> > Also, I am bigginer user of grass and unix shell.
> > I made the script referring to your advices as follows;
> > Thank you !
> >
> > Best
> > Yasuo shimada ( japan weather association )
> >
> > --
> > < shell script >
> > http://homepage1.nifty.com/8856/grass_quake_en.html
> >
> > < quake map 13. June >
> > http://homepage1.nifty.com/8856/gg20110613.png
> >
> > < quake map 14. June >
> > http://homepage1.nifty.com/8856/gg20110614.png
> >
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