libgr

GR framework for building visualization and graphics applications

brewmacoslinux

Try with needOr install directly

About

GR framework: a graphics library for visualisation applications

grgrplot

Create a simple line plot and save it as an image$ gr -o plot.png -x 0:10 -y 'sin(x)'

Display interactive 3D visualization of data$ grplot data.txt --3d

Generate a contour plot from matrix data$ gr -o contour.png --contour matrix_data.dat