Articles by S.S. Rebelious

Pan-sharpening Using R

February 8, 2015 | S.S. Rebelious

In my previous post I described how to perform pan-sharpening using OrfeoToolbox and QGIS. This time I will show you how to do this in R. At the bottom you will find several functions I wrote on top of the 'raster' package that allow a convenient pan-sharpening in R.MotivationYou ... [Read more...]

How to Predict Where Will Next Disaster Strike?

January 18, 2015 | S.S. Rebelious

It is amusing coincidence that another MOOC that I took this week (Geospatial Intelligence & the Geospatial revolution) mentioned [natural] disasters. About the other course see my recent Disasters: Myth or the Reality post.In Geospatial Intelligence they gave a weird assignment: one need to mark the location on the world ... [Read more...]

Do You Know What You Show at Your Map?

January 10, 2015 | S.S. Rebelious

As access to the GIS and mapping is becoming easier every year the more people and companies create maps. Unfortunately often they just do not know what they are actually showing at their maps. This issue is being mentioned over and over again.  Here is the example that I discovered ... [Read more...]

A Note About proj4 in R

July 24, 2013 | S.S. Rebelious

It's been a long time since I had to transform some coordinates 'manually'. I mean I had a list of coordinates that I needed to [re]project. There are some nice proprietary tools for it, but who needs them when the opensource is everywhere?Proj4 is an ... [Read more...]

RSAGA: Getting Started

March 30, 2013 | S.S. Rebelious

RSAGA provides access to geocomputation capabilities of SAGA GIS from within R environment. Having SAGA GIS installed is a (quite obvious) pre-requirement to use RSAGA. In Linux x64 sometimes additional preparations are needed. In Linux SAGA as we... [Read more...]

R-commander installation in openSUSE

February 14, 2011 | S.S. Rebelious

Thanks to this post I was able to install R-commander in openSUSE.  I've modified recipe a bit and don't want to search for it the next time.You have to perform several steps:Install R-base and R-base-devel packages from here. Install gfortran :~&... [Read more...]

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