[GRASS-user] More maps with same legend (for visually compare)

[Bornemisza Imre]

Dear GRASS-User List,

I have a CSV file with X,Y,Z coords of 150 point in a time series (50 measuring).
I imported it in a for cycle of $i (1..50):

v.in.ascii input=su1_data.csv output=su1_v_$i format=point fs=';' skip=2 x=2
y=3 z=$iplus4 cat=0 --overwrite

and made surface with:

v.surf.rst input=su1_v_$i layer=1 dmax=25 dmin=5 zmult=1 tension=40 segmax=200
npmin=100 zcolumn=dbl_$i elev=su1_v_surf_rst_$i --overwrite

I displayed the maps with:

d.erase
d.rast su1_v_surf_rst_$i
d.legend map=su1_v_surf_rst_$i

and would like compare it visually.

The problem is, that the scaling
 and coloring of surfaces is different by each map.
Is it possible to set with a parameter of v.surf.rst that
 all maps legend should have use the legend
 with the same highest and deepest point?
I don't find so a parameter.
Is there another solution to visualize the time series?

If somebody have the time to run it, the full script is here:
http://born.try.hu/grass/su1.sh

And the data file is here:
http://born.try.hu/grass/su1_data.csv

Thanks for all help:
Imre Bornemisza

---
Bornemisza Imre . born at freemail.hu .  +36 30 288 24 64
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