John,
It's the next generation, and I believe it is quite a bit more powerful.
I haven't really gotten a chance to play around with it too much, but it
looks very promising!
Carson
Thanks Carson. I'll give it a try.
Is rasterlang the next generation of Barry's Raster Algebra plugin?
(http://www.maths.lancs.ac.uk/~rowlings/Software/RasterAlgebra/) Or
do they work together? Using the Plugin Installer in QGIS 1.0.2 , I
see rasterlang listed from Barry's repository
(http://www.maths.lancs.ac.uk/~rowlings/Qgis/Plugins/plugins.xml) but
not Raster Algebra.
- John
Carson Farmer wrote:
John,
I'm relatively new to QGIS. I've used it for viewing various
sources of data and some vector editing and geoprocessing. Now, I'd
like to do some basic raster processing, like simply multiplying and
adding rasters, conditional expressions (e.g., if value < 0, then =
0, else value), slope, aspect, etc....
What is the method to do these via QGIS? GRASS may be an option
but I understand it takes some preprocessing to get your files into
GRASS datasets, which could be a lot of work (numerous data sets,
some several GBs in size.) Thanks.
Have a look at Barry Rowlingson's rasterlang plugin:
http://www.maths.lancs.ac.uk/~rowlings/Qgis/Plugins/plugins.xml
Barry also has a google code page which would likely have his latest
version/improvements:
http://code.google.com/p/bsrplugins/source/browse/#svn/trunk
Carson
--
Carson J. Q. Farmer
ISSP Doctoral Fellow
National Centre for Geocomputation (NCG),
Email: [email protected]
Web: http://www.carsonfarmer.com/
http://www.ftools.ca/
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