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Using my rudimentary knowledge of Python, I was interested in exploring the use of rpy2 to eventually be able to bring together spatial data analysis done in Python, with some higher level tools in R – in this case the powerful graphics library ggplot2 to visualize the results. My setup is Mac OS 10.7.3, Python [...] Even though several examples of great circle visualizations exist by now, I had not seen the code of one made with ggplot2. Both solutions offered, here using plot and here using lattice, basically loop through the great circle lines ordered from low to high number of flights and overplot the lines with fewer counts, which [...] In an attempt to learn more about how to best and seamlessly import external geo data and map them in Drupal I recently mapped all the German soccer stadiums, that are listed in Wikipedia, and which I harvested from from DBpedia (as in the following screenshot). This is how it worked for me. [...] |
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