NAME
r.hypso - Outputs a hypsometric and hypsographic graph.KEYWORDS
rasterSYNOPSIS
Flags:
- -a
- Generate hypsometric curve
- -b
- Generate hypsographic curve
- --overwrite
- Allow output files to overwrite existing files
- --help
- Print usage summary
- --verbose
- Verbose module output
- --quiet
- Quiet module output
- --ui
- Force launching GUI dialog
Parameters:
- map=name [required]
- Name of input elevation raster map
- image=image [required]
- Name for output graph file (png)
Table of contents
DESCRIPTION
r.hypso produces the hypsometric and hypsographic curve related to a digital elevation model and prints the percentiles.NOTES
The hypsographic curve gives the distribution of surfaces in different altitude ranges. Each point on the function reports on the y-axis the elevation and on the x-axis the portion of the basin surface placed above such elevation value. The hypsometric curve uses adimensional axes.Flags:
-a: generates hypsometric curve
-b: generates hyposographic curve
EXAMPLE
r.hypso -b map=elevation image=/tmp/hypso
r.hypso -a map=elevation image=/tmp/hypso
Dependencies
- Matplotlib
SEE ALSO
r.basin,REFERENCES
Rodriguez-Iturbe I., Rinaldo A. — Fractal River Basins, Chance and Self-Organization. Cambridge Press (2001)
In Italian: Di Leo M., Di Stefano M., Claps P., Sole A. — Caratterizzazione morfometrica del bacino idrografico in GRASS GIS (Morphometric characterization of the catchment in GRASS GIS environment), Geomatics Workbooks, n. 9 (2010)
AUTHORS
Margherita Di Leo (grass-dev AT lists DOT osgeo DOT org), Massimo Di Stefano, Francesco Di Stefano
Last changed: $Date: 2017-08-10 10:51:45 +0200 (Thu, 10 Aug 2017) $
SOURCE CODE
Available at: r.hypso source code (history)
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© 2003-2018 GRASS Development Team, GRASS GIS 7.4.1svn Reference Manual