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Looking for a way to visualize data by generating simple graphics in Ruby.
Is there a gem that allows you to crete simple images, such as a checkerboard?
It should be:
EDIT: After doing more research, I found that the name of the chart is grid or heatmap. Found this RubyVis library.
RMagick is well-documented and supports several common file formats. It’s an interface to ImageMagick, so you need to have that installed to use it.