I've been experimenting with choropleth mapping techniques in R, having reaped the benefits of ggplot2 for creating beautiful graphs within a powerful data analysis package. When it comes to mapping ...
I find myself more and more struggling over defining break points when displaying choropleth (aka thematic) maps to view by others. Does anyone have any suggested references that help guide, both how ...
First at all, I want to say that I am geocoding enthusiastic but have no formal background on GIS. I'll do my best to use the right wording and make myself clear what I am striving for. Also the only ...
I'm experimenting with dynamically setting the color values of a geojson polygon. In my geojson file, there is an attribute for each polygon called pop_den. I am trying to update the fillcolor of the ...
I'm sure I've seen a solution to this before but now I can't find it. When using the graduated fill style in QGIS I get lots of trailing zeros in the labels. This makes my legends look messy in the ...
I have to make a thematic map with an attribute table with duplicated features but different attributes. See below: FEATURE ATTRIBUTE ------------------- 1 bl 1 gr 2 gr 2 ...