On Tue, Jul 22, 2014 at 10:46 PM, <[email protected]> wrote:
> Thank you Daniel and Anna for the suggestions. > Daniel, I wonder how I might display the ‘common’ colour legend when > visualising the maps? > When the maps are visualised, the colour legend changes to the min max of > the current map displayed. > Look at range option. You have to know the min/max values though. I am not sure what's the best option in grass64. r.series would work but it creates maps which is unnecessary. > > Anna, I use GRASS 6.4.2 – so I guess I should upgrade… > I would recommend that. > > Thank you again. > Raphael. > > > __________________________ > > Raphael *VISCARRA ROSSEL* | Principal Research Scientist | CSIRO Land and > Water | Bruce E. Butler Laboratory, Clunies Ross St, Black Mountain, Acton > ACT 2601 | PO BOX 1666 Canberra ACT 2600 | t. +61 2 6246 5945 | m. +61 > 467 769 364 | Chair International Union of Soil Science Working Group on > Proximal Soil Sensing | www.researcherid.com/rid/B-4061-2011 | > scholar.google.com.au/citations?hl=en&user=KpJdvKEAAAAJ > > > > > From: Anna Petrášová <[email protected]> > Date: Wednesday, 23 July 2014 12:15 pm > To: Daniel Victoria <[email protected]> > Cc: "Viscarra Rossel, Raphael (L&W, Black Mountain)" < > [email protected]>, grass <[email protected]> > Subject: Re: [GRASS-user] create a common colour scale > > Hi, > > in case you use GRASS 7, r.colors accepts multiple maps or a file with > the map names. So this should do it: > r.colors map=precip1,precip2,precip3 color=precipitation > > Also, have a look at temporal modules (GRASS 7 only). You can register > the series of maps as a dataset (t.create, t.register) and then you can > easily get the min, max values for the entire series and there is also > t.rast.colors. > > Anna > > > On Tue, Jul 22, 2014 at 9:41 PM, Daniel Victoria < > [email protected]> wrote: > >> Hi Raphael, >> >> This is what I did some time ago when I had the same problem >> 1) Find out the overall minimun and maximum precipitation over all maps. >> 2) Use r.colors with the rules option to compose a colortable that cover >> my entire precip range. >> 3) Apply the same colortable to all maps >> 4) plot and be happy >> >> Hope it helps >> Daniel >> >> >> On Tue, Jul 22, 2014 at 10:01 PM, <[email protected]> >> wrote: >> >>> Hello >>> I wonder if anyone knows how to create a common colour scale for >>> different raster maps? >>> I want to display all six maps on the same page with the single colour >>> scale but I cannot find how to do this in GRASS. >>> >>> More specifically, I have six raster maps of rainfall for different >>> time periods (each has a different range of values) and I would like to >>> display them all with the same colour scale. The colour scale needs to be >>> constructed using the min and max values of the set of six maps (and not >>> just individual maps. >>> >>> Will appreciate any input please. Thank you, >>> >>> Raphael. >>> >>> __________________________ >>> >>> Raphael *VISCARRA ROSSEL* | Principal Research Scientist | CSIRO Land >>> and Water | Bruce E. Butler Laboratory, Clunies Ross St, Black Mountain, >>> Acton ACT 2601 | PO BOX 1666 Canberra ACT 2600 | t. +61 2 6246 5945 | >>> m. +61 467 769 364 | Chair International Union of Soil Science Working >>> Group on Proximal Soil Sensing | www.researcherid.com/rid/B-4061-2011 | >>> scholar.google.com.au/citations?hl=en&user=KpJdvKEAAAAJ >>> >>> >>> >>> >>> _______________________________________________ >>> grass-user mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/grass-user >>> >> >> >> _______________________________________________ >> grass-user mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/grass-user >> > >
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