[GRASS-user] Re: [GRASSLIST:1184] how to keep same color table for a bunch of rasters?

[Vishal Mehta]

Maris,
thanks very much!

do you know how i can change the text size of the legend?

-vishal
On 9/7/06, Māris Nartišs <maris.gis at gmail.com> wrote:
>
> Hi,
> one thing why I love GRASS - it works from comandline :)
>
> To automate GRASS tasks You can use ANY programming language You are
> familiar
> and wich can run shell commands (I used PHP as I was more familiar with
> PHP).
>
> I attached simple script for beginning. Just tweak it's values, add
> aditional
> GRASS comands to get nice looking output. Almost all GRASS modules have
> comandline options to do things that can be done with mouse, just look at
> they manuals.
>
>
> wbr,
> Maris.
>
> On Thursday 07 September 2006 10:46, Vishal Mehta wrote:
> > Hi all,
> > thanks so much- i was able to set all my 100 rainfall maps to one set of
> > rules, using
> > # add color rules rainrules.txt to each rainfall map
> > for MAP in `g.mlist type=rast pat=rain*` ; do
> > echo "Working on: $MAP"
> > r.colors map=$MAP color=rules<rules.txt
> > done
> >
> > where rainrules.txt was (units are monthly rain in mm*10)
> > 0 gray
> > 100 yellow
> > 1000 green
> > 5000 cyan
> > 10000 blue
> > 20000 violet
> > 32300 red
> > end
> >
> > Now before i look into animation, i could use your advice on the
> following:
> > step1 :  I need to automate (since there are 100 maps), conversion of
> >   each map - with legend (appropriately sized; right now with d.rast.leg
> ,
> > or d.legend its too big) and preferably also a title  -  to a png.
> > Normally i've just done d.rast mapname, then exported as picture using
> the
> > GUI..
> >
> > Can you suggest a way to automate the above?
> >
> > thanks,
> > vishal
> >
> > On 9/7/06, Māris Nartišs <maris.gis at gmail.com> wrote:
> > > Hi,
> > > You mean like this?:
> > > ## Encode all .png files in directory to out.avi with 15 frames per
> > > second.
> > > mencoder "mf://*.png" -mf fps=15 -o out.avi #-ovc here
> > > ## DivX - libavcodec MPEG 4 (DivX5)
> > > -ovc lavc -lavcopts vcodec=mpeg4:vhq:vbitrate=1800
> > > ## XviD
> > > -ovc xvid -xvidencopts bitrate=1024
> > > ## DivX4
> > > -ovc divx4 -divx4opts q=5
> > >
> > > Uses mplayer's encoder. Choose one of encoding formats and append to
> end
> > > of "mencoder" line. Unfortunately only way to know quality settings is
> by
> > > encoding, watching result and reendocing with different params.
> > >
> > > Example (it's quite old and I don't remeber encoding params):
> > > http://www.aiknc.lv/1_sm_65_ledus.avi
> > > (Location: North Vidzeme, Latvia. Content: r.lake mapcalc version in
> > > action -
> > > filling Smiltene ice damed lake from seed point) You can see how
> changes
> > > lake
> > > color as it get's deeper.
> > >
> > > Vishal Mehta - You could try out to define map's colors using explict
> > > category
> > > values (will this work with FP maps?) - just create file containing
> color
> > > rules with full range of data values (min, max for all maps), assign
> > > colors
> > > to values and apply color table with r.colors to all maps (sorry, no
> time
> > > to
> > > test).
> > >
> > >
> > > Maris.
> > >
> > > On Thursday 07 September 2006 04:00, Hamish wrote:
> > > > for MAP in `g.mlist type=rast pat=rain*` ; do
> > > >   r.info -r $MAP
> > > > done
> > > >
> > > > If anyone has tips on constructing high-quality MPEG-4 movies from a
> > > > series of still frames, I'd be interested in hearing them.
> > > >
> > > >
> > > >
> > > > Hamish
> > >
> > > _______________________________________________
> > > grassuser mailing list
> > > grassuser at grass.itc.it
> > > http://grass.itc.it/mailman/listinfo/grassuser
>
>
>
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