You can save the histogram to various image formats. Here is an example from a set of Landsat bands 1-5, and 7. It took about 1 second to histogram all 6 bands.
http://dl.dropbox.com/u/7437464/histogramtest.png ____________________ C. Michael Barton Director, Center for Social Dynamics & Complexity Professor of Anthropology, School of Human Evolution & Social Change Arizona State University voice: 480-965-6262 (SHESC), 480-727-9746 (CSDC) fax: 480-965-7671 (SHESC), 480-727-0709 (CSDC) www: http://www.public.asu.edu/~cmbarton, http://csdc.asu.edu On Sep 22, 2011, at 7:28 PM, <[email protected]> wrote: > Date: Wed, 21 Sep 2011 22:25:05 -0700 > From: Michael Barton <[email protected]> > Subject: [GRASS-dev] New histogramming tool for GRASS 7 > To: GRASS developers grass-developers <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Something that I've thought about for quite awhile but only now managed to > get around to doing. I have added a new histogramming tool to GRASS 7, based > on PyPlot like the profiling tool. It will histogram a single raster map or > all the maps in an imagery group. It gives user control over colors and line > styles, axes, legends, fonts, and grid. > > It is available from the analysis toolbar button on the display canvas as > "Create histogram with PyPlot" for now. I've left in the old tool that > displays d.hist in a window. It should be especially useful for image > analysis. > > Give it a try and let me know if you hit any bugs. _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
