Data visualisation software for survey data

[Atul Asthana]

Need free software for plotting mag survey / em data.
Any reference will be appreciated.

[99thpercentile]

Generic Mapping Tools

If all you want to do is plot data, the Generic Mapping Tools (GMT) are commonly used to plot data for journal publications, theses and dissertations. They don't really do any analysis, just plotting.

http://gmt.soest.hawaii.edu/