Meteorology: Difference between revisions

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* Work in progress: ''d.barb'': Displays wind barbs or variable length straw diagrams given either two raster maps, or vector point data. Like {{cmd|d.rast.arrow}}, input data is given as magnitude and direction.  (Hamish)
* Work in progress: ''d.barb'': Displays wind barbs or variable length straw diagrams given either two raster maps, or vector point data. Like {{cmd|d.rast.arrow}}, input data is given as magnitude and direction.  (Hamish)
* {{cmd|r.in.gdal}} - useful for importing raster data from [http://www.gdal.org/formats_list.html very many source data formats].


* {{cmd|r.series}} - useful for time series analysis of raster data.
* {{cmd|r.series}} - useful for time series analysis of raster data.
* {{cmd|v.surf.rst}} - useful for 2D spline interpolation between sparse data points.
* {{cmd|v.vol.rst}} - useful for 3D spline interpolation between sparse data points. See the Slovakia 3D precipitation voxel isosurfaces screenshot on the {{website|screenshots/viz.php|visualization screenshots}} page. Tutorial can be found in the grass book.(??)





Revision as of 10:25, 19 May 2009

Meteorology

GRASS used together with R-stats provides a powerful toolset to analyse meteorological time series and to perform spatio-temporal interpolation.


  • Work in progress: d.barb: Displays wind barbs or variable length straw diagrams given either two raster maps, or vector point data. Like d.rast.arrow, input data is given as magnitude and direction. (Hamish)
  • r.series - useful for time series analysis of raster data.
  • v.surf.rst - useful for 2D spline interpolation between sparse data points.
  • v.vol.rst - useful for 3D spline interpolation between sparse data points. See the Slovakia 3D precipitation voxel isosurfaces screenshot on the visualization screenshots page. Tutorial can be found in the grass book.(??)