I want to include a 3D plot that I created in R. The plot is prepared according to the example given for Matlab in the pgfplots manual. I cropped the whitespace around the saved png, added ...
I want to draw the circular cone given by the equation z²=x²+y². (I do not mind using any given package.) I tried to use the pst-solides3d package with the help of its manual to generate the ...